Ailinglapalap Weather Records (RMC00913915)

Record envelope, standing records and threshold days for Ailinglapalap (RMC00913915), MH, Marshall Islands, with 42 years of record.

Key Facts for Ailinglapalap

Ailinglapalap (RMC00913915) is a weather station in MH, Marshall Islands at 7.27 latitude and 168.83 longitude, 2 m (6 ft) above sea level.
The station reports from 1985 to 2026, 42 years of record.
1,464 records set at Ailinglapalap still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: MH, Marshall Islands, 7.27 latitude, 168.83 longitude.
Elevation: 2 m (6 ft).
Period of record: 1985 to 2026, 42 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

40 days at or beyond a record

The band shows the record high and record low for each calendar day at Ailinglapalap. The lines show the 2026 daily maximum and minimum. 40 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.

Daily record high and record low at Ailinglapalap, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	32.2 C (90.0 F)	21.1 C (70.0 F)	31.1 C (88.0 F)	23.9 C (75.0 F)
Feb	32.2 C (90.0 F)	21.7 C (71.1 F)	31.7 C (89.1 F)	23.9 C (75.0 F)
Mar	33.3 C (91.9 F)	21.1 C (70.0 F)	31.7 C (89.1 F)	24.4 C (75.9 F)
Apr	32.2 C (90.0 F)	21.1 C (70.0 F)	31.7 C (89.1 F)	24.4 C (75.9 F)
May	33.3 C (91.9 F)	22.2 C (72.0 F)	31.7 C (89.1 F)	23.9 C (75.0 F)
Jun	32.2 C (90.0 F)	21.7 C (71.1 F)	31.7 C (89.1 F)	24.4 C (75.9 F)
Jul	36.7 C (98.1 F)	21.1 C (70.0 F)	31.7 C (89.1 F)	23.3 C (73.9 F)
Aug	33.3 C (91.9 F)	22.2 C (72.0 F)	31.1 C (88.0 F)	22.8 C (73.0 F)
Sep	33.9 C (93.0 F)	22.2 C (72.0 F)	30.6 C (87.1 F)	23.3 C (73.9 F)
Oct	33.9 C (93.0 F)	21.7 C (71.1 F)	31.1 C (88.0 F)	22.8 C (73.0 F)
Nov	34.4 C (93.9 F)	21.1 C (70.0 F)	31.1 C (88.0 F)	23.3 C (73.9 F)
Dec	33.3 C (91.9 F)	21.1 C (70.0 F)	32.2 C (90.0 F)	22.8 C (73.0 F)

Which Years Hold Standing Records

1,464 standing records

1,464 records at Ailinglapalap still stand. 2017 holds the most, with 197.

Wettest Day of Each Month

Aug: 190.2 mm (7.5 in)

The wettest day on record for each calendar month at Ailinglapalap. The most was 190.2 mm (7.5 in) on 9 August 1997.

Record daily precipitation for each month at Ailinglapalap
Month	Record daily precipitation (mm)	Date
Jan	144.0 mm (5.7 in)	20 January 2024
Feb	81.3 mm (3.2 in)	19 February 2019
Mar	124.0 mm (4.9 in)	7 March 1991
Apr	106.4 mm (4.2 in)	27 April 1995
May	122.2 mm (4.8 in)	1 May 1995
Jun	96.0 mm (3.8 in)	9 June 1987
Jul	108.0 mm (4.3 in)	3 July 1992
Aug	190.2 mm (7.5 in)	9 August 1997
Sep	117.9 mm (4.6 in)	23 September 1988
Oct	137.2 mm (5.4 in)	10 October 2018
Nov	156.5 mm (6.2 in)	10 November 1995
Dec	118.6 mm (4.7 in)	23 December 1996

Period of Record Coverage

2014 to 2025

12 years of record at Ailinglapalap, 2014 to 2025. Every year has data for at least 90 percent of its days.

Days with data per year at Ailinglapalap
Year	Days with data	Share of year	Complete
2014	365	100%	Yes
2015	335	92%	Yes
2016	333	91%	Yes
2017	361	99%	Yes
2018	357	98%	Yes
2019	365	100%	Yes
2020	366	100%	Yes
2021	365	100%	Yes
2022	365	100%	Yes
2023	365	100%	Yes
2024	366	100%	Yes
2025	365	100%	Yes

Latest Records

No records were set at this station in the latest data.

Climate Trend

10 complete years, 2014 to 2025

One stripe for each of 10 complete years at Ailinglapalap, 2014 to 2025. Blue stripes are years cooler than the station's own mean of 27.8 C (82.0 F); red stripes are warmer. The coolest year was 2024, at 27.2 C (81.0 F), and the warmest was 2017, at 28.4 C (83.1 F). The strongest colour marks a difference of 0.6 C (1.1 F).

Annual mean temperature at Ailinglapalap as warming stripes, 2014 to 2025
Year	Annual mean temperature	Difference from the station mean
2014	28.0 C	+0.16 C
2017	28.4 C	+0.59 C
2018	28.4 C	+0.58 C
2019	27.9 C	+0.06 C
2020	27.6 C	-0.20 C
2021	27.9 C	+0.10 C
2022	27.6 C	-0.22 C
2023	27.4 C	-0.37 C
2024	27.2 C	-0.59 C
2025	27.7 C	-0.11 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 Ailinglapalap: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.7 C (98.1 F)	2014	32.2 C (90.0 F)	13
Coldest night (TNn)	21.1 C (70.0 F)	2014	22.2 C (72.0 F)	13
Wettest day (Rx1day)	190.2 mm (7.5 in)	1997	99.4 mm (3.9 in)	34
Wettest five days (Rx5day)	380.7 mm (15.0 in)	1995	188.7 mm (7.4 in)	34
Longest dry spell (CDD)	20 days	2001	10 days	34

Hottest day (TXx)

The hottest day of the year at Ailinglapalap, 1985 to 2026. The record is 36.7 C (98.1 F) in 2014, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Ailinglapalap by year
Year	Hottest day (TXx)
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2005	n/a
2006	n/a
2014	36.7 C (98.1 F)
2015	32.2 C (90.0 F)
2016	33.9 C (93.0 F)
2017	34.4 C (93.9 F)
2018	33.3 C (91.9 F)
2019	32.8 C (91.0 F)
2020	32.2 C (90.0 F)
2021	32.2 C (90.0 F)
2022	32.2 C (90.0 F)
2023	32.2 C (90.0 F)
2024	32.2 C (90.0 F)
2025	32.2 C (90.0 F)
2026	31.1 C (88.0 F)

Coldest night (TNn)

The coldest night of the year at Ailinglapalap, 1985 to 2026. The record is 21.1 C (70.0 F) in 2014, marked on the chart; the median year is 22.2 C (72.0 F).

Coldest night (TNn) at Ailinglapalap by year
Year	Coldest night (TNn)
1985	n/a
1986	n/a
1987	n/a
1988	n/a
1989	n/a
1990	n/a
1991	n/a
1992	n/a
1993	n/a
1994	n/a
1995	n/a
1996	n/a
1997	n/a
1998	n/a
1999	n/a
2000	n/a
2001	n/a
2002	n/a
2003	n/a
2005	n/a
2006	n/a
2014	21.1 C (70.0 F)
2015	22.2 C (72.0 F)
2016	21.1 C (70.0 F)
2017	21.1 C (70.0 F)
2018	21.7 C (71.1 F)
2019	21.1 C (70.0 F)
2020	22.2 C (72.0 F)
2021	22.2 C (72.0 F)
2022	22.2 C (72.0 F)
2023	21.7 C (71.1 F)
2024	22.2 C (72.0 F)
2025	22.8 C (73.0 F)
2026	22.2 C (72.0 F)

Wettest day (Rx1day)

The wettest day of the year at Ailinglapalap, 1985 to 2026. The record is 190.2 mm (7.5 in) in 1997, marked on the chart; the median year is 99.4 mm (3.9 in).

Wettest day (Rx1day) at Ailinglapalap by year
Year	Wettest day (Rx1day)
1985	63.2 mm (2.5 in)
1986	111.8 mm (4.4 in)
1987	111.3 mm (4.4 in)
1988	117.9 mm (4.6 in)
1989	67.3 mm (2.6 in)
1990	85.1 mm (3.4 in)
1991	124.0 mm (4.9 in)
1992	108.0 mm (4.3 in)
1993	101.1 mm (4.0 in)
1994	135.4 mm (5.3 in)
1995	156.5 mm (6.2 in)
1996	118.6 mm (4.7 in)
1997	190.2 mm (7.5 in)
1998	63.2 mm (2.5 in)
1999	80.3 mm (3.2 in)
2000	70.1 mm (2.8 in)
2001	50.0 mm (2.0 in)
2002	97.3 mm (3.8 in)
2003	33.0 mm (1.3 in)
2005	28.2 mm (1.1 in)
2006	51.3 mm (2.0 in)
2014	91.2 mm (3.6 in)
2015	61.0 mm (2.4 in)
2016	116.8 mm (4.6 in)
2017	101.6 mm (4.0 in)
2018	137.2 mm (5.4 in)
2019	95.8 mm (3.8 in)
2020	89.4 mm (3.5 in)
2021	97.8 mm (3.9 in)
2022	120.7 mm (4.8 in)
2023	108.0 mm (4.3 in)
2024	149.1 mm (5.9 in)
2025	101.6 mm (4.0 in)
2026	82.5 mm (3.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Ailinglapalap, 1985 to 2026. The record is 380.7 mm (15.0 in) in 1995, marked on the chart; the median year is 188.7 mm (7.4 in).

Wettest five days (Rx5day) at Ailinglapalap by year
Year	Wettest five days (Rx5day)
1985	70.6 mm (2.8 in)
1986	167.8 mm (6.6 in)
1987	234.2 mm (9.2 in)
1988	194.4 mm (7.7 in)
1989	144.3 mm (5.7 in)
1990	166.4 mm (6.6 in)
1991	205.3 mm (8.1 in)
1992	202.7 mm (8.0 in)
1993	157.8 mm (6.2 in)
1994	213.9 mm (8.4 in)
1995	380.7 mm (15.0 in)
1996	233.1 mm (9.2 in)
1997	324.6 mm (12.8 in)
1998	144.5 mm (5.7 in)
1999	186.8 mm (7.4 in)
2000	116.3 mm (4.6 in)
2001	81.5 mm (3.2 in)
2002	234.2 mm (9.2 in)
2003	59.2 mm (2.3 in)
2005	65.6 mm (2.6 in)
2006	88.7 mm (3.5 in)
2014	146.4 mm (5.8 in)
2015	143.2 mm (5.6 in)
2016	228.1 mm (9.0 in)
2017	130.1 mm (5.1 in)
2018	161.1 mm (6.3 in)
2019	190.5 mm (7.5 in)
2020	246.9 mm (9.7 in)
2021	242.2 mm (9.5 in)
2022	254.5 mm (10.0 in)
2023	270.1 mm (10.6 in)
2024	232.1 mm (9.1 in)
2025	205.8 mm (8.1 in)
2026	162.7 mm (6.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Ailinglapalap, 1985 to 2026. The record is 20 days in 2001, marked on the chart; the median year is 10 days.

Longest dry spell (CDD) at Ailinglapalap by year
Year	Longest dry spell (CDD)
1985	8 days
1986	9 days
1987	9 days
1988	11 days
1989	7 days
1990	16 days
1991	7 days
1992	18 days
1993	8 days
1994	11 days
1995	14 days
1996	10 days
1997	11 days
1998	14 days
1999	17 days
2000	10 days
2001	20 days
2002	15 days
2003	17 days
2005	5 days
2006	5 days
2014	9 days
2015	8 days
2016	16 days
2017	14 days
2018	6 days
2019	17 days
2020	9 days
2021	11 days
2022	8 days
2023	10 days
2024	15 days
2025	9 days
2026	8 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.

Download the Data

Data for Ailinglapalap standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Ailinglapalap 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).