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Built 2026-10-15 (15 October 2026)

Nukuoro Weather Records (FMC00914590)

Record envelope, standing records and threshold days for Nukuoro (FMC00914590), FM, Federated States of Micronesia, with 42 years of record.

Key Facts for Nukuoro

  • Nukuoro (FMC00914590) is a weather station in FM, Federated States of Micronesia at 3.85 latitude and 155.02 longitude, 2 m (8 ft) above sea level.
  • The station reports from 1985 to 2026, 42 years of record.
  • 1,464 records set at Nukuoro still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Nukuoro set a daily record precipitation of 105.9 mm (4.2 in) on 26 May 2026.

About the Station

  • Location: FM, Federated States of Micronesia, 3.85 latitude, 155.02 longitude.
  • Elevation: 2 m (8 ft).
  • Period of record: 1985 to 2026, 42 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

56 days at or beyond a record
Daily record high and record low at Nukuoro, with 2026 drawn through them The band shows the record high and record low for each calendar day at Nukuoro. The lines show the 2026 daily maximum and minimum. 56 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 1020304050 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Nukuoro. The lines show the 2026 daily maximum and minimum. 56 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Nukuoro, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan37.2 C (99.0 F)15.6 C (60.1 F)33.3 C (91.9 F)16.7 C (62.1 F)
Feb37.2 C (99.0 F)18.3 C (64.9 F)33.3 C (91.9 F)20.0 C (68.0 F)
Mar37.2 C (99.0 F)17.2 C (63.0 F)33.9 C (93.0 F)19.4 C (66.9 F)
Apr37.2 C (99.0 F)18.3 C (64.9 F)33.3 C (91.9 F)20.0 C (68.0 F)
May37.2 C (99.0 F)15.6 C (60.1 F)33.3 C (91.9 F)20.0 C (68.0 F)
Jun37.2 C (99.0 F)17.8 C (64.0 F)33.3 C (91.9 F)20.0 C (68.0 F)
Jul37.2 C (99.0 F)17.2 C (63.0 F)33.3 C (91.9 F)19.4 C (66.9 F)
Aug38.3 C (100.9 F)15.0 C (59.0 F)33.3 C (91.9 F)20.0 C (68.0 F)
Sep37.2 C (99.0 F)17.2 C (63.0 F)33.3 C (91.9 F)20.6 C (69.1 F)
Oct40.6 C (105.1 F)15.0 C (59.0 F)32.8 C (91.0 F)21.1 C (70.0 F)
Nov41.1 C (106.0 F)15.6 C (60.1 F)n/an/a
Dec38.9 C (102.0 F)17.2 C (63.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Nukuoro by the year they were set 1,464 records at Nukuoro still stand. 2024 holds the most, with 290. 01002003002014: 542015: 1422016: 852017: 722018: 612019: 802020: 972021: 932022: 1072023: 1642024: 2902025: 1642026: 552014201620182020202220242026
1,464 records at Nukuoro still stand. 2024 holds the most, with 290.
Standing records at Nukuoro by the year they were set
Year setStanding records
201454
2015142
201685
201772
201861
201980
202097
202193
2022107
2023164
2024290
2025164
202655

Wettest Day of Each Month

Feb: 319.5 mm (12.6 in)
Record daily precipitation for each month at Nukuoro The wettest day on record for each calendar month at Nukuoro. The most was 319.5 mm (12.6 in) on 16 February 2018. 0100200300400 Jan: 254.0 mm (10.0 in), 21 January 2024 Jan Feb: 319.5 mm (12.6 in), 16 February 2018 Feb Mar: 179.3 mm (7.1 in), 7 March 2017 Mar Apr: 156.2 mm (6.1 in), 4 April 1987 Apr May: 147.1 mm (5.8 in), 22 May 2016 May Jun: 154.2 mm (6.1 in), 18 June 2021 Jun Jul: 138.9 mm (5.5 in), 31 July 2015 Jul Aug: 186.9 mm (7.4 in), 8 August 2014 Aug Sep: 132.1 mm (5.2 in), 1 September 2017 Sep Oct: 152.1 mm (6.0 in), 17 October 2024 Oct Nov: 165.9 mm (6.5 in), 30 November 2017 Nov Dec: 148.8 mm (5.9 in), 27 December 2016 Dec
The wettest day on record for each calendar month at Nukuoro. The most was 319.5 mm (12.6 in) on 16 February 2018.
Record daily precipitation for each month at Nukuoro
MonthRecord daily precipitation (mm)Date
Jan254.0 mm (10.0 in)21 January 2024
Feb319.5 mm (12.6 in)16 February 2018
Mar179.3 mm (7.1 in)7 March 2017
Apr156.2 mm (6.1 in)4 April 1987
May147.1 mm (5.8 in)22 May 2016
Jun154.2 mm (6.1 in)18 June 2021
Jul138.9 mm (5.5 in)31 July 2015
Aug186.9 mm (7.4 in)8 August 2014
Sep132.1 mm (5.2 in)1 September 2017
Oct152.1 mm (6.0 in)17 October 2024
Nov165.9 mm (6.5 in)30 November 2017
Dec148.8 mm (5.9 in)27 December 2016

Period of Record Coverage

2014 to 2026
Days with data per year at Nukuoro 13 years of record at Nukuoro, 2014 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 2014, 2026. 2014: 151 of 365 days2015: 364 of 365 days2016: 362 of 366 days2017: 360 of 365 days2018: 365 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 365 of 365 days2022: 363 of 365 days2023: 364 of 365 days2024: 364 of 366 days2025: 365 of 365 days2026: 279 of 365 days201520202025
13 years of record at Nukuoro, 2014 to 2026. 2 years have data for under 90 percent of days and are left out of rankings: 2014, 2026.
Days with data per year at Nukuoro
YearDays with dataShare of yearComplete
201415141%No
2015364100%Yes
201636299%Yes
201736099%Yes
2018365100%Yes
2019365100%Yes
2020366100%Yes
2021365100%Yes
202236399%Yes
2023364100%Yes
202436499%Yes
2025365100%Yes
202627976%No

Latest Records

20
Latest records at Nukuoro
DateStationRecordValueBeat old record byOld record stoodSignificance
26 May 2026Nukuoro, FMdaily rain105.9 mm (4.2 in)60.2 mm (2.4 in)32 years40 of 100 (Notable)
20 May 2026Nukuoro, FMdaily rain68.6 mm (2.7 in)25.4 mm (1.0 in)23 years21 of 100 (Routine)
18 February 2026Nukuoro, FMdaily rain138.9 mm (5.5 in)80.5 mm (3.2 in)4 years33 of 100 (Routine)
12 October 2025Nukuoro, FMdaily rain86.4 mm (3.4 in)32.8 mm (1.3 in)3 years19 of 100 (Routine)
12 March 2025Nukuoro, FMdaily rain68.6 mm (2.7 in)25.4 mm (1.0 in)39 years25 of 100 (Routine)
1 January 2025Nukuoro, FMdaily rain83.1 mm (3.3 in)4.4 mm (0.17 in)33 years14 of 100 (Routine)
23 December 2024Nukuoro, FMdaily rain129.0 mm (5.1 in)56.6 mm (2.2 in)17 years36 of 100 (Notable)
14 November 2024Nukuoro, FMdaily rain50.0 mm (2.0 in)6.8 mm (0.27 in)38 years18 of 100 (Routine)
17 October 2024Nukuoro, FMmonthly rain152.1 mm (6.0 in)23.8 mm (0.9 in)5 years26 of 100 (Routine)
14 September 2024Nukuoro, FMdaily rain60.5 mm (2.4 in)18.1 mm (0.7 in)7 years14 of 100 (Routine)
13 September 2024Nukuoro, FMdaily rain87.4 mm (3.4 in)32.5 mm (1.3 in)20 years25 of 100 (Routine)
27 July 2024Nukuoro, FMdaily rain59.7 mm (2.4 in)20.8 mm (0.8 in)23 years19 of 100 (Routine)
5 July 2024Nukuoro, FMdaily rain61.7 mm (2.4 in)8.6 mm (0.34 in)10 years11 of 100 (Routine)
23 April 2024Nukuoro, FMdaily rain66.8 mm (2.6 in)5.8 mm (0.23 in)38 years17 of 100 (Routine)
7 April 2024Nukuoro, FMdaily rain69.6 mm (2.7 in)10.9 mm (0.4 in)12 years12 of 100 (Routine)
21 January 2024Nukuoro, FMmonthly rain254.0 mm (10.0 in)100.1 mm (3.9 in)0 years52 of 100 (Notable)
13 January 2024Nukuoro, FMdaily rain60.5 mm (2.4 in)21.1 mm (0.8 in)2 years12 of 100 (Routine)
11 December 2023Nukuoro, FMdaily rain90.4 mm (3.6 in)6.6 mm (0.26 in)36 years16 of 100 (Routine)
7 December 2023Nukuoro, FMdaily rain70.1 mm (2.8 in)13.7 mm (0.5 in)29 years17 of 100 (Routine)
21 September 2023Nukuoro, FMdaily rain104.1 mm (4.1 in)45.7 mm (1.8 in)28 years32 of 100 (Routine)

Climate Trend

11 complete years, 2015 to 2025
Annual mean temperature at Nukuoro as warming stripes, 2015 to 2025 One stripe for each of 11 complete years at Nukuoro, 2015 to 2025. Blue stripes are years cooler than the station's own mean of 28.1 C (82.6 F); red stripes are warmer. The coolest year was 2025, at 26.8 C (80.3 F), and the warmest was 2024, at 29.3 C (84.7 F). The strongest colour marks a difference of 1.4 C (2.5 F). 2015: 27.9 C, -0.2 C from the station mean2016: 27.9 C, -0.2 C from the station mean2017: 27.9 C, -0.3 C from the station mean2018: 28.1 C, 0.0 C from the station mean2019: 27.9 C, -0.3 C from the station mean2020: 28.6 C, +0.5 C from the station mean2021: 28.6 C, +0.5 C from the station mean2022: 28.4 C, +0.3 C from the station mean2023: 28.1 C, 0.0 C from the station mean2024: 29.3 C, +1.1 C from the station mean2025: 26.8 C, -1.3 C from the station mean201520162018202020222024
One stripe for each of 11 complete years at Nukuoro, 2015 to 2025. Blue stripes are years cooler than the station's own mean of 28.1 C (82.6 F); red stripes are warmer. The coolest year was 2025, at 26.8 C (80.3 F), and the warmest was 2024, at 29.3 C (84.7 F). The strongest colour marks a difference of 1.4 C (2.5 F).
Annual mean temperature at Nukuoro as warming stripes, 2015 to 2025
YearAnnual mean temperatureDifference from the station mean
201527.9 C-0.21 C
201627.9 C-0.21 C
201727.9 C-0.28 C
201828.1 C-0.04 C
201927.9 C-0.27 C
202028.6 C+0.46 C
202128.6 C+0.47 C
202228.4 C+0.28 C
202328.1 C0.00 C
202429.3 C+1.12 C
202526.8 C-1.30 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1985 to 2026
Yearly extremes at Nukuoro: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)41.1 C (106.0 F)202436.7 C (98.1 F)13
Coldest night (TNn)15.0 C (59.0 F)202318.9 C (66.0 F)13
Wettest day (Rx1day)319.5 mm (12.6 in)2018119.4 mm (4.7 in)41
Wettest five days (Rx5day)455.0 mm (17.9 in)2015254.3 mm (10.0 in)41
Longest dry spell (CDD)19 days199810 days41

Hottest day (TXx)

Hottest day (TXx) at Nukuoro by year The hottest day of the year at Nukuoro, 1985 to 2026. The record is 41.1 C (106.0 F) in 2024, marked on the chart; the median year is 36.7 C (98.1 F). 3234363840421990200020102020Record: 41.1 C (106.0 F) in 2024
The hottest day of the year at Nukuoro, 1985 to 2026. The record is 41.1 C (106.0 F) in 2024, marked on the chart; the median year is 36.7 C (98.1 F).
Hottest day (TXx) at Nukuoro by year
YearHottest day (TXx)
1985n/a
1986n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006n/a
2007n/a
2008n/a
2009n/a
2010n/a
2011n/a
2012n/a
201435.6 C (96.1 F)
201534.4 C (93.9 F)
201633.9 C (93.0 F)
201735.0 C (95.0 F)
201835.6 C (96.1 F)
201936.7 C (98.1 F)
202036.7 C (98.1 F)
202137.2 C (99.0 F)
202237.2 C (99.0 F)
202337.2 C (99.0 F)
202441.1 C (106.0 F)
202537.2 C (99.0 F)
202633.9 C (93.0 F)

Coldest night (TNn)

Coldest night (TNn) at Nukuoro by year The coldest night of the year at Nukuoro, 1985 to 2026. The record is 15.0 C (59.0 F) in 2023, marked on the chart; the median year is 18.9 C (66.0 F). 14161820221990200020102020Record: 15.0 C (59.0 F) in 2023
The coldest night of the year at Nukuoro, 1985 to 2026. The record is 15.0 C (59.0 F) in 2023, marked on the chart; the median year is 18.9 C (66.0 F).
Coldest night (TNn) at Nukuoro by year
YearColdest night (TNn)
1985n/a
1986n/a
1987n/a
1988n/a
1989n/a
1990n/a
1991n/a
1992n/a
1993n/a
1994n/a
1995n/a
1996n/a
1997n/a
1998n/a
1999n/a
2000n/a
2001n/a
2002n/a
2003n/a
2004n/a
2005n/a
2006n/a
2007n/a
2008n/a
2009n/a
2010n/a
2011n/a
2012n/a
201421.1 C (70.0 F)
201520.6 C (69.1 F)
201619.4 C (66.9 F)
201720.6 C (69.1 F)
201815.6 C (60.1 F)
201918.9 C (66.0 F)
202021.1 C (70.0 F)
202120.0 C (68.0 F)
202217.2 C (63.0 F)
202315.0 C (59.0 F)
202417.2 C (63.0 F)
202517.8 C (64.0 F)
202616.7 C (62.1 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Nukuoro by year The wettest day of the year at Nukuoro, 1985 to 2026. The record is 319.5 mm (12.6 in) in 2018, marked on the chart; the median year is 119.4 mm (4.7 in). 01002003004001990200020102020Record: 319.5 mm (12.6 in) in 2018
The wettest day of the year at Nukuoro, 1985 to 2026. The record is 319.5 mm (12.6 in) in 2018, marked on the chart; the median year is 119.4 mm (4.7 in).
Wettest day (Rx1day) at Nukuoro by year
YearWettest day (Rx1day)
198542.4 mm (1.7 in)
1986134.9 mm (5.3 in)
1987156.2 mm (6.1 in)
1988116.8 mm (4.6 in)
1989184.2 mm (7.3 in)
1990129.8 mm (5.1 in)
1991130.8 mm (5.1 in)
199279.5 mm (3.1 in)
1993100.3 mm (3.9 in)
199494.0 mm (3.7 in)
199588.9 mm (3.5 in)
1996114.3 mm (4.5 in)
199794.0 mm (3.7 in)
199897.5 mm (3.8 in)
1999134.9 mm (5.3 in)
2000123.7 mm (4.9 in)
2001115.8 mm (4.6 in)
2002134.6 mm (5.3 in)
2003119.4 mm (4.7 in)
2004111.8 mm (4.4 in)
2005107.2 mm (4.2 in)
2006110.0 mm (4.3 in)
2007104.1 mm (4.1 in)
2008129.5 mm (5.1 in)
2009131.6 mm (5.2 in)
2010131.3 mm (5.2 in)
2011114.3 mm (4.5 in)
201278.2 mm (3.1 in)
2014186.9 mm (7.4 in)
2015149.1 mm (5.9 in)
2016148.8 mm (5.9 in)
2017179.3 mm (7.1 in)
2018319.5 mm (12.6 in)
2019105.4 mm (4.1 in)
2020116.6 mm (4.6 in)
2021154.2 mm (6.1 in)
2022106.7 mm (4.2 in)
2023153.9 mm (6.1 in)
2024254.0 mm (10.0 in)
202586.4 mm (3.4 in)
2026138.9 mm (5.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Nukuoro by year The wettest five days of the year at Nukuoro, 1985 to 2026. The record is 455.0 mm (17.9 in) in 2015, marked on the chart; the median year is 254.3 mm (10.0 in). 01002003004005001990200020102020Record: 455.0 mm (17.9 in) in 2015
The wettest five days of the year at Nukuoro, 1985 to 2026. The record is 455.0 mm (17.9 in) in 2015, marked on the chart; the median year is 254.3 mm (10.0 in).
Wettest five days (Rx5day) at Nukuoro by year
YearWettest five days (Rx5day)
198570.4 mm (2.8 in)
1986258.6 mm (10.2 in)
1987340.0 mm (13.4 in)
1988169.4 mm (6.7 in)
1989332.8 mm (13.1 in)
1990284.5 mm (11.2 in)
1991257.8 mm (10.1 in)
1992182.0 mm (7.2 in)
1993264.1 mm (10.4 in)
1994280.7 mm (11.1 in)
1995384.8 mm (15.1 in)
1996314.9 mm (12.4 in)
1997226.1 mm (8.9 in)
1998194.3 mm (7.6 in)
1999397.6 mm (15.7 in)
2000230.1 mm (9.1 in)
2001288.0 mm (11.3 in)
2002355.6 mm (14.0 in)
2003189.5 mm (7.5 in)
2004292.4 mm (11.5 in)
2005210.0 mm (8.3 in)
2006201.7 mm (7.9 in)
2007274.3 mm (10.8 in)
2008228.5 mm (9.0 in)
2009311.5 mm (12.3 in)
2010237.2 mm (9.3 in)
2011266.1 mm (10.5 in)
2012196.6 mm (7.7 in)
2014210.1 mm (8.3 in)
2015455.0 mm (17.9 in)
2016206.7 mm (8.1 in)
2017333.4 mm (13.1 in)
2018376.4 mm (14.8 in)
2019174.4 mm (6.9 in)
2020219.1 mm (8.6 in)
2021235.5 mm (9.3 in)
2022203.0 mm (8.0 in)
2023250.7 mm (9.9 in)
2024266.7 mm (10.5 in)
2025254.3 mm (10.0 in)
2026215.3 mm (8.5 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Nukuoro by year The longest dry spell of the year at Nukuoro, 1985 to 2026. The record is 19 days in 1998, marked on the chart; the median year is 10 days. 051015201990200020102020Record: 19 days in 1998
The longest dry spell of the year at Nukuoro, 1985 to 2026. The record is 19 days in 1998, marked on the chart; the median year is 10 days.
Longest dry spell (CDD) at Nukuoro by year
YearLongest dry spell (CDD)
19853 days
198614 days
198714 days
198810 days
19897 days
199016 days
199110 days
199216 days
199311 days
199412 days
19958 days
199611 days
199717 days
199819 days
19994 days
20005 days
200115 days
200211 days
20038 days
200417 days
20059 days
20066 days
20074 days
20084 days
20097 days
201011 days
20117 days
20124 days
20146 days
201516 days
201611 days
201711 days
20189 days
201915 days
202010 days
202111 days
20227 days
202313 days
202418 days
20255 days
20269 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

34 years, 1986 to 2025

A day with at least 119.5 mm (4.7 in) of rain is expected about once in 2 years. A day with at least 323.9 mm (12.8 in) of rain is expected about once in 100 years.

Rainfall return levels at Nukuoro: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years119.5 mm (4.7 in)
5 years154.0 mm (6.1 in)
10 years183.3 mm (7.2 in)
25 years229.8 mm (9.0 in)
50 years272.6 mm (10.7 in)Longer than the 34 years of record
100 years323.9 mm (12.8 in)Longer than the 34 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 34 years of values from 1986 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 319.5 mm (12.6 in) in 2018; 254.0 mm (10.0 in) in 2024; 184.2 mm (7.3 in) in 1989.

Download the Data

  • Data for Nukuoro standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Nukuoro threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-12).