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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Mt Lemmon Fire Dept Weather Records (USC00025732)

Record envelope, standing records and threshold days for Mt Lemmon Fire Dept (USC00025732), Arizona, United States, with 67 years of record.

Key Facts for Mt Lemmon Fire Dept

  • Mt Lemmon Fire Dept (USC00025732) is a weather station in Arizona, United States at 32.45 latitude and -110.75 longitude, 2,412 m (7,913 ft) above sea level.
  • The station reports from 1958 to 2024, 67 years of record.
  • 1,464 records set at Mt Lemmon Fire Dept still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Arizona, United States, 32.45 latitude, -110.75 longitude.
  • Elevation: 2,412 m (7,913 ft).
  • Period of record: 1958 to 2024, 67 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Mt Lemmon Fire Dept, with 2026 drawn through them The band shows the record high and record low for each calendar day at Mt Lemmon Fire Dept. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Mt Lemmon Fire Dept. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Mt Lemmon Fire Dept, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan18.3 C (64.9 F)-20.0 C (-4.0 F)n/an/a
Feb18.3 C (64.9 F)-21.7 C (-7.1 F)n/an/a
Mar20.0 C (68.0 F)-13.9 C (7.0 F)n/an/a
Apr23.9 C (75.0 F)-11.1 C (12.0 F)n/an/a
May27.8 C (82.0 F)-2.8 C (27.0 F)n/an/a
Jun32.8 C (91.0 F)0.0 C (32.0 F)n/an/a
Jul31.7 C (89.1 F)3.9 C (39.0 F)n/an/a
Aug28.9 C (84.0 F)5.6 C (42.1 F)n/an/a
Sep27.2 C (81.0 F)-0.6 C (30.9 F)n/an/a
Oct24.4 C (75.9 F)-6.7 C (19.9 F)n/an/a
Nov26.7 C (80.1 F)-15.6 C (3.9 F)n/an/a
Dec18.3 C (64.9 F)-15.6 C (3.9 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Mt Lemmon Fire Dept by the year they were set 1,464 records at Mt Lemmon Fire Dept still stand. 1959 holds the most, with 183. 0501001502001958: 471959: 1831960: 1241961: 971962: 851963: 61981: 171982: 861983: 461984: 691985: 741986: 222009: 72010: 42018: 552019: 652020: 932021: 902022: 1172023: 1202024: 571958196119811984200920192022
1,464 records at Mt Lemmon Fire Dept still stand. 1959 holds the most, with 183.
Standing records at Mt Lemmon Fire Dept by the year they were set
Year setStanding records
195847
1959183
1960124
196197
196285
19636
198117
198286
198346
198469
198574
198622
20097
20104
201855
201965
202093
202190
2022117
2023120
202457

Wettest Day of Each Month

Oct: 129.5 mm (5.1 in)
Record daily precipitation for each month at Mt Lemmon Fire Dept The wettest day on record for each calendar month at Mt Lemmon Fire Dept. The most was 129.5 mm (5.1 in) on 1 October 1983. 050100150 Jan: 76.2 mm (3.0 in), 10 January 2020 Jan Feb: 71.1 mm (2.8 in), 15 February 2018 Feb Mar: 101.6 mm (4.0 in), 13 March 2019 Mar Apr: 101.6 mm (4.0 in), 1 April 2024 Apr May: 15.2 mm (0.6 in), 14 May 1984 May Jun: 43.2 mm (1.7 in), 16 June 2018 Jun Jul: 68.1 mm (2.7 in), 26 July 1959 Jul Aug: 80.0 mm (3.1 in), 23 August 1982 Aug Sep: 74.2 mm (2.9 in), 1 September 2021 Sep Oct: 129.5 mm (5.1 in), 1 October 1983 Oct Nov: 99.1 mm (3.9 in), 12 November 1985 Nov Dec: 66.0 mm (2.6 in), 9 December 1961 Dec
The wettest day on record for each calendar month at Mt Lemmon Fire Dept. The most was 129.5 mm (5.1 in) on 1 October 1983.
Record daily precipitation for each month at Mt Lemmon Fire Dept
MonthRecord daily precipitation (mm)Date
Jan76.2 mm (3.0 in)10 January 2020
Feb71.1 mm (2.8 in)15 February 2018
Mar101.6 mm (4.0 in)13 March 2019
Apr101.6 mm (4.0 in)1 April 2024
May15.2 mm (0.6 in)14 May 1984
Jun43.2 mm (1.7 in)16 June 2018
Jul68.1 mm (2.7 in)26 July 1959
Aug80.0 mm (3.1 in)23 August 1982
Sep74.2 mm (2.9 in)1 September 2021
Oct129.5 mm (5.1 in)1 October 1983
Nov99.1 mm (3.9 in)12 November 1985
Dec66.0 mm (2.6 in)9 December 1961

Period of Record Coverage

1958 to 2024
Days with data per year at Mt Lemmon Fire Dept 21 years of record at Mt Lemmon Fire Dept, 1958 to 2024. 14 years have data for under 90 percent of days and are left out of rankings: 1958, 1963, 1981, 1983, 1985, 1986, 2009, 2010 and others. 1958: 110 of 365 days1959: 364 of 365 days1960: 363 of 366 days1961: 332 of 365 days1962: 363 of 365 days1963: 118 of 365 days1981: 92 of 365 days1982: 329 of 365 days1983: 210 of 365 days1984: 340 of 366 days1985: 314 of 365 days1986: 81 of 365 days2009: 22 of 365 days2010: 18 of 365 days2018: 156 of 365 days2019: 170 of 365 days2020: 151 of 366 days2021: 264 of 365 days2022: 332 of 365 days2023: 308 of 365 days2024: 210 of 366 days1960198520102020
21 years of record at Mt Lemmon Fire Dept, 1958 to 2024. 14 years have data for under 90 percent of days and are left out of rankings: 1958, 1963, 1981, 1983, 1985, 1986, 2009, 2010 and others.
Days with data per year at Mt Lemmon Fire Dept
YearDays with dataShare of yearComplete
195811030%No
1959364100%Yes
196036399%Yes
196133291%Yes
196236399%Yes
196311832%No
19819225%No
198232990%Yes
198321058%No
198434093%Yes
198531486%No
19868122%No
2009226%No
2010185%No
201815643%No
201917047%No
202015141%No
202126472%No
202233291%Yes
202330884%No
202421057%No

Latest Records

0

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

Extremes by Year

1958 to 2024
Yearly extremes at Mt Lemmon Fire Dept: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)32.8 C (91.0 F)196027.8 C (82.0 F)21
Coldest night (TNn)-21.7 C (-7.1 F)1985-11.7 C (10.9 F)21
Wettest day (Rx1day)129.5 mm (5.1 in)198368.6 mm (2.7 in)21
Wettest five days (Rx5day)242.5 mm (9.5 in)198377.0 mm (3.0 in)21
Longest dry spell (CDD)114 days195936 days21

Hottest day (TXx)

Hottest day (TXx) at Mt Lemmon Fire Dept by year The hottest day of the year at Mt Lemmon Fire Dept, 1958 to 2024. The record is 32.8 C (91.0 F) in 1960, marked on the chart; the median year is 27.8 C (82.0 F). 102030401960198020002020Record: 32.8 C (91.0 F) in 1960
The hottest day of the year at Mt Lemmon Fire Dept, 1958 to 2024. The record is 32.8 C (91.0 F) in 1960, marked on the chart; the median year is 27.8 C (82.0 F).
Hottest day (TXx) at Mt Lemmon Fire Dept by year
YearHottest day (TXx)
195826.7 C (80.1 F)
195929.4 C (84.9 F)
196032.8 C (91.0 F)
196131.7 C (89.1 F)
196226.7 C (80.1 F)
196325.6 C (78.1 F)
198121.1 C (70.0 F)
198227.8 C (82.0 F)
198330.0 C (86.0 F)
198427.8 C (82.0 F)
198528.3 C (82.9 F)
198617.8 C (64.0 F)
200922.2 C (72.0 F)
201011.1 C (52.0 F)
201827.8 C (82.0 F)
201927.2 C (81.0 F)
202027.8 C (82.0 F)
202130.0 C (86.0 F)
202227.8 C (82.0 F)
202328.9 C (84.0 F)
202428.3 C (82.9 F)

Coldest night (TNn)

Coldest night (TNn) at Mt Lemmon Fire Dept by year The coldest night of the year at Mt Lemmon Fire Dept, 1958 to 2024. The record is -21.7 C (-7.1 F) in 1985, marked on the chart; the median year is -11.7 C (10.9 F). -25-20-15-10-51960198020002020Record: -21.7 C (-7.1 F) in 1985
The coldest night of the year at Mt Lemmon Fire Dept, 1958 to 2024. The record is -21.7 C (-7.1 F) in 1985, marked on the chart; the median year is -11.7 C (10.9 F).
Coldest night (TNn) at Mt Lemmon Fire Dept by year
YearColdest night (TNn)
1958-15.6 C (3.9 F)
1959-10.6 C (12.9 F)
1960-20.0 C (-4.0 F)
1961-13.9 C (7.0 F)
1962-18.3 C (-0.9 F)
1963-13.3 C (8.1 F)
1981-10.6 C (12.9 F)
1982-13.9 C (7.0 F)
1983-11.1 C (12.0 F)
1984-15.0 C (5.0 F)
1985-21.7 C (-7.1 F)
1986-16.1 C (3.0 F)
2009-6.7 C (19.9 F)
2010-8.3 C (17.1 F)
2018-9.4 C (15.1 F)
2019-11.7 C (10.9 F)
2020-11.1 C (12.0 F)
2021-10.6 C (12.9 F)
2022-11.7 C (10.9 F)
2023-12.8 C (9.0 F)
2024-7.2 C (19.0 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Mt Lemmon Fire Dept by year The wettest day of the year at Mt Lemmon Fire Dept, 1958 to 2024. The record is 129.5 mm (5.1 in) in 1983, marked on the chart; the median year is 68.6 mm (2.7 in). 0501001501960198020002020Record: 129.5 mm (5.1 in) in 1983
The wettest day of the year at Mt Lemmon Fire Dept, 1958 to 2024. The record is 129.5 mm (5.1 in) in 1983, marked on the chart; the median year is 68.6 mm (2.7 in).
Wettest day (Rx1day) at Mt Lemmon Fire Dept by year
YearWettest day (Rx1day)
195861.5 mm (2.4 in)
195976.2 mm (3.0 in)
196051.6 mm (2.0 in)
196166.0 mm (2.6 in)
196275.2 mm (3.0 in)
196353.3 mm (2.1 in)
198168.6 mm (2.7 in)
198280.0 mm (3.1 in)
1983129.5 mm (5.1 in)
198452.1 mm (2.1 in)
198599.1 mm (3.9 in)
198632.5 mm (1.3 in)
20090.0 mm (0.00 in)
20100.0 mm (0.00 in)
201871.1 mm (2.8 in)
2019101.6 mm (4.0 in)
202076.2 mm (3.0 in)
202174.2 mm (2.9 in)
202235.8 mm (1.4 in)
202335.6 mm (1.4 in)
2024101.6 mm (4.0 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Mt Lemmon Fire Dept by year The wettest five days of the year at Mt Lemmon Fire Dept, 1958 to 2024. The record is 242.5 mm (9.5 in) in 1983, marked on the chart; the median year is 77.0 mm (3.0 in). 01002003001960198020002020Record: 242.5 mm (9.5 in) in 1983
The wettest five days of the year at Mt Lemmon Fire Dept, 1958 to 2024. The record is 242.5 mm (9.5 in) in 1983, marked on the chart; the median year is 77.0 mm (3.0 in).
Wettest five days (Rx5day) at Mt Lemmon Fire Dept by year
YearWettest five days (Rx5day)
195877.0 mm (3.0 in)
1959178.1 mm (7.0 in)
196053.1 mm (2.1 in)
1961137.7 mm (5.4 in)
1962111.0 mm (4.4 in)
196353.3 mm (2.1 in)
198170.4 mm (2.8 in)
1982119.0 mm (4.7 in)
1983242.5 mm (9.5 in)
1984129.0 mm (5.1 in)
1985104.7 mm (4.1 in)
198642.7 mm (1.7 in)
20090.0 mm (0.00 in)
20100.0 mm (0.00 in)
201876.5 mm (3.0 in)
201991.4 mm (3.6 in)
202026.4 mm (1.0 in)
2021122.4 mm (4.8 in)
202265.6 mm (2.6 in)
202360.8 mm (2.4 in)
2024179.6 mm (7.1 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Mt Lemmon Fire Dept by year The longest dry spell of the year at Mt Lemmon Fire Dept, 1958 to 2024. The record is 114 days in 1959, marked on the chart; the median year is 36 days. 0501001501960198020002020Record: 114 days in 1959
The longest dry spell of the year at Mt Lemmon Fire Dept, 1958 to 2024. The record is 114 days in 1959, marked on the chart; the median year is 36 days.
Longest dry spell (CDD) at Mt Lemmon Fire Dept by year
YearLongest dry spell (CDD)
195833 days
1959114 days
196059 days
196165 days
1962103 days
196336 days
198136 days
198233 days
198339 days
198440 days
198552 days
198631 days
20096 days
201018 days
20186 days
201925 days
20205 days
202128 days
202229 days
202354 days
202474 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 Mt Lemmon Fire Dept standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Mt Lemmon Fire Dept 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).