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Built 2026-10-15 (15 October 2026)

Brenner Montana Weather Records (USR0000MBRE)

Record envelope, standing records and threshold days for Brenner Montana (USR0000MBRE), Montana, United States, with 39 years of record.

Key Facts for Brenner Montana

  • Brenner Montana (USR0000MBRE) is a weather station in Montana, United States at 44.97 latitude and -113.22 longitude, 1,936 m (6,350 ft) above sea level.
  • The station reports from 1985 to 2023, 39 years of record.
  • 1,464 records set at Brenner Montana still stand.
  • Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.
  • Brenner Montana set a monthly record high minimum temperature of 13.3 C (55.9 F) on 9 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Montana, United States, 44.97 latitude, -113.22 longitude.
  • Elevation: 1,936 m (6,350 ft).
  • Period of record: 1985 to 2023, 39 years.
  • Eligible elements: tmax, tmin.

Daily Record Envelope and 2026

28 days at or beyond a record
Daily record high and record low at Brenner Montana, with 2026 drawn through them The band shows the record high and record low for each calendar day at Brenner Montana. The lines show the 2026 daily maximum and minimum. 28 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 Brenner Montana. The lines show the 2026 daily maximum and minimum. 28 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Brenner Montana, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan12.8 C (55.0 F)-36.1 C (-33.0 F)11.7 C (53.1 F)-16.1 C (3.0 F)
Feb15.0 C (59.0 F)-40.0 C (-40.0 F)15.0 C (59.0 F)-16.1 C (3.0 F)
Mar21.1 C (70.0 F)-24.4 C (-11.9 F)21.1 C (70.0 F)-10.0 C (14.0 F)
Apr24.4 C (75.9 F)-17.2 C (1.0 F)21.7 C (71.1 F)-8.3 C (17.1 F)
May30.0 C (86.0 F)-11.1 C (12.0 F)26.7 C (80.1 F)-5.6 C (21.9 F)
Jun33.3 C (91.9 F)-5.0 C (23.0 F)27.8 C (82.0 F)-1.7 C (28.9 F)
Jul36.7 C (98.1 F)-1.1 C (30.0 F)35.0 C (95.0 F)3.9 C (39.0 F)
Aug34.4 C (93.9 F)-6.1 C (21.0 F)33.9 C (93.0 F)2.8 C (37.0 F)
Sep33.7 C (92.7 F)-12.2 C (10.0 F)25.6 C (78.1 F)-1.7 C (28.9 F)
Oct27.2 C (81.0 F)-21.1 C (-6.0 F)26.1 C (79.0 F)-2.2 C (28.0 F)
Nov20.6 C (69.1 F)-27.8 C (-18.0 F)n/an/a
Dec14.3 C (57.7 F)-40.0 C (-40.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Brenner Montana by the year they were set 1,464 records at Brenner Montana still stand. 1985 holds the most, with 70. 0204060801985: 701986: 431987: 531988: 381989: 361990: 351991: 261992: 321993: 511994: 231995: 331996: 611997: 241998: 131999: 392000: 282001: 252002: 352003: 502004: 162005: 342006: 272007: 242008: 392009: 472010: 332011: 192012: 262013: 292014: 322015: 562016: 182017: 312018: 182019: 302020: 402021: 512022: 492023: 292024: 292025: 442026: 28198519901995200020052010201520202025
1,464 records at Brenner Montana still stand. 1985 holds the most, with 70.
Standing records at Brenner Montana by the year they were set
Year setStanding records
198570
198643
198753
198838
198936
199035
199126
199232
199351
199423
199533
199661
199724
199813
199939
200028
200125
200235
200350
200416
200534
200627
200724
200839
200947
201033
201119
201226
201329
201432
201556
201618
201731
201818
201930
202040
202151
202249
202329
202429
202544
202628

Period of Record Coverage

1985 to 2026
Days with data per year at Brenner Montana 42 years of record at Brenner Montana, 1985 to 2026. 6 years have data for under 90 percent of days and are left out of rankings: 1985, 1997, 1998, 2001, 2004, 2026. 1985: 303 of 365 days1986: 357 of 365 days1987: 355 of 365 days1988: 361 of 366 days1989: 360 of 365 days1990: 361 of 365 days1991: 364 of 365 days1992: 363 of 366 days1993: 353 of 365 days1994: 363 of 365 days1995: 355 of 365 days1996: 363 of 366 days1997: 292 of 365 days1998: 241 of 365 days1999: 365 of 365 days2000: 366 of 366 days2001: 316 of 365 days2002: 365 of 365 days2003: 365 of 365 days2004: 278 of 366 days2005: 353 of 365 days2006: 350 of 365 days2007: 362 of 365 days2008: 365 of 366 days2009: 365 of 365 days2010: 365 of 365 days2011: 363 of 365 days2012: 364 of 366 days2013: 363 of 365 days2014: 363 of 365 days2015: 363 of 365 days2016: 363 of 366 days2017: 363 of 365 days2018: 365 of 365 days2019: 365 of 365 days2020: 366 of 366 days2021: 364 of 365 days2022: 363 of 365 days2023: 365 of 365 days2024: 366 of 366 days2025: 365 of 365 days2026: 284 of 365 days1990200020102020
42 years of record at Brenner Montana, 1985 to 2026. 6 years have data for under 90 percent of days and are left out of rankings: 1985, 1997, 1998, 2001, 2004, 2026.
Days with data per year at Brenner Montana
YearDays with dataShare of yearComplete
198530383%No
198635798%Yes
198735597%Yes
198836199%Yes
198936099%Yes
199036199%Yes
1991364100%Yes
199236399%Yes
199335397%Yes
199436399%Yes
199535597%Yes
199636399%Yes
199729280%No
199824166%No
1999365100%Yes
2000366100%Yes
200131687%No
2002365100%Yes
2003365100%Yes
200427876%No
200535397%Yes
200635096%Yes
200736299%Yes
2008365100%Yes
2009365100%Yes
2010365100%Yes
201136399%Yes
201236499%Yes
201336399%Yes
201436399%Yes
201536399%Yes
201636399%Yes
201736399%Yes
2018365100%Yes
2019365100%Yes
2020366100%Yes
2021364100%Yes
202236399%Yes
2023365100%Yes
2024366100%Yes
2025365100%Yes
202628478%No

Latest Records

20
Latest records at Brenner Montana
DateStationRecordValueBeat old record byOld record stoodSignificance
9 October 2026Brenner Montana, USmonthly high min (Provisional)13.3 C (55.9 F)1.1 C (2.0 F)10 years19 of 100 (Routine)
8 October 2026Brenner Montana, USdaily high max (Tie, Provisional)23.9 C (75.0 F)tie1 year1 of 100 (Routine)
7 October 2026Brenner Montana, USdaily high max (Tie, Provisional)23.9 C (75.0 F)tie5 years1 of 100 (Routine)
6 October 2026Brenner Montana, USdaily high max (Provisional)23.9 C (75.0 F)0.6 C (1.1 F)5 years5 of 100 (Routine)
5 October 2026Brenner Montana, USdaily high max (Provisional)26.1 C (79.0 F)2.8 C (5.0 F)32 years17 of 100 (Routine)
5 October 2026Brenner Montana, USdaily high min (Provisional)11.7 C (53.1 F)0.5 C (0.9 F)4 years6 of 100 (Routine)
4 October 2026Brenner Montana, USdaily high max (Provisional)26.1 C (79.0 F)1.1 C (2.0 F)1 year5 of 100 (Routine)
15 September 2026Brenner Montana, USdaily low min (Provisional)-1.7 C (28.9 F)0.6 C (1.1 F)35 years15 of 100 (Routine)
28 August 2026Brenner Montana, USdaily high min (Provisional)13.9 C (57.0 F)0.6 C (1.1 F)15 years9 of 100 (Routine)
21 August 2026Brenner Montana, USdaily high max (Provisional)32.8 C (91.0 F)1.7 C (3.1 F)16 years12 of 100 (Routine)
20 August 2026Brenner Montana, USdaily high max (Provisional)31.7 C (89.1 F)1.1 C (2.0 F)16 years11 of 100 (Routine)
1 August 2026Brenner Montana, USdaily high max33.9 C (93.0 F)1.7 C (3.1 F)25 years14 of 100 (Routine)
26 July 2026Brenner Montana, USdaily high min (Tie)14.4 C (57.9 F)tie25 years2 of 100 (Routine)
25 July 2026Brenner Montana, USdaily high min16.1 C (61.0 F)2.8 C (5.0 F)23 years19 of 100 (Routine)
25 July 2026Brenner Montana, USdaily high max32.2 C (90.0 F)1.6 C (2.9 F)15 years11 of 100 (Routine)
24 July 2026Brenner Montana, USdaily high max32.2 C (90.0 F)1.0 C (1.8 F)4 years7 of 100 (Routine)
29 June 2026Brenner Montana, USdaily low max8.3 C (46.9 F)1.1 C (2.0 F)5 years6 of 100 (Routine)
28 June 2026Brenner Montana, USdaily low max5.0 C (41.0 F)7.8 C (14.0 F)31 years26 of 100 (Routine)
28 June 2026Brenner Montana, USdaily low min (Tie)1.1 C (34.0 F)tie27 years3 of 100 (Routine)
27 June 2026Brenner Montana, USdaily low max11.1 C (52.0 F)3.9 C (7.0 F)35 years20 of 100 (Routine)

Climate Trend

35 complete years, 1986 to 2025
Annual mean temperature at Brenner Montana as warming stripes, 1986 to 2025 One stripe for each of 35 complete years at Brenner Montana, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 4.8 C (40.7 F); red stripes are warmer. The coolest year was 1993, at 2.7 C (36.9 F), and the warmest was 2015, at 6.3 C (43.3 F). The strongest colour marks a difference of 2.1 C (3.8 F). 1986: 4.7 C, -0.1 C from the station mean1987: 5.0 C, +0.2 C from the station mean1988: 4.9 C, +0.1 C from the station mean1989: 3.9 C, -0.9 C from the station mean1990: 4.2 C, -0.6 C from the station mean1991: 4.4 C, -0.4 C from the station mean1992: 5.1 C, +0.3 C from the station mean1993: 2.7 C, -2.1 C from the station mean1994: 4.8 C, 0.0 C from the station mean1995: 4.4 C, -0.4 C from the station mean1996: 4.3 C, -0.5 C from the station mean1999: 5.0 C, +0.2 C from the station mean2000: 5.0 C, +0.2 C from the station mean2002: 4.4 C, -0.4 C from the station mean2003: 5.7 C, +0.8 C from the station mean2005: 5.3 C, +0.5 C from the station mean2007: 5.4 C, +0.6 C from the station mean2008: 3.9 C, -0.9 C from the station mean2009: 3.9 C, -1.0 C from the station mean2010: 4.0 C, -0.8 C from the station mean2011: 4.0 C, -0.8 C from the station mean2012: 5.6 C, +0.8 C from the station mean2013: 5.0 C, +0.2 C from the station mean2014: 5.1 C, +0.3 C from the station mean2015: 6.3 C, +1.5 C from the station mean2016: 5.6 C, +0.7 C from the station mean2017: 5.3 C, +0.4 C from the station mean2018: 4.8 C, -0.1 C from the station mean2019: 3.7 C, -1.1 C from the station mean2020: 5.3 C, +0.5 C from the station mean2021: 5.7 C, +0.9 C from the station mean2022: 4.7 C, -0.1 C from the station mean2023: 4.6 C, -0.2 C from the station mean2024: 5.9 C, +1.0 C from the station mean2025: 6.2 C, +1.4 C from the station mean198619901995200020052010201520202025
One stripe for each of 35 complete years at Brenner Montana, 1986 to 2025. Blue stripes are years cooler than the station's own mean of 4.8 C (40.7 F); red stripes are warmer. The coolest year was 1993, at 2.7 C (36.9 F), and the warmest was 2015, at 6.3 C (43.3 F). The strongest colour marks a difference of 2.1 C (3.8 F).
Annual mean temperature at Brenner Montana as warming stripes, 1986 to 2025
YearAnnual mean temperatureDifference from the station mean
19864.7 C-0.15 C
19875.0 C+0.16 C
19884.9 C+0.12 C
19893.9 C-0.92 C
19904.2 C-0.63 C
19914.4 C-0.40 C
19925.1 C+0.31 C
19932.7 C-2.08 C
19944.8 C-0.04 C
19954.4 C-0.45 C
19964.3 C-0.50 C
19995.0 C+0.21 C
20005.0 C+0.18 C
20024.4 C-0.39 C
20035.7 C+0.83 C
20055.3 C+0.48 C
20075.4 C+0.57 C
20083.9 C-0.92 C
20093.9 C-0.96 C
20104.0 C-0.79 C
20114.0 C-0.83 C
20125.6 C+0.76 C
20135.0 C+0.17 C
20145.1 C+0.28 C
20156.3 C+1.46 C
20165.6 C+0.73 C
20175.3 C+0.44 C
20184.8 C-0.07 C
20193.7 C-1.15 C
20205.3 C+0.50 C
20215.7 C+0.85 C
20224.7 C-0.09 C
20234.6 C-0.18 C
20245.9 C+1.04 C
20256.2 C+1.38 C

The annual mean temperature here has risen by 0.24 C (0.04 to 0.44) per decade over 1986 to 2025. In Fahrenheit: 0.4 F (0.1 to 0.8) per decade. The slope is a straight line fitted to 35 complete years; the brackets give its 95 percent interval.

Fitted temperature trends per decade at Brenner Montana
MeasurePer decade (C)Per decade (F)PeriodComplete yearsReading
Annual mean temperature0.24 C (0.04 to 0.44) per decade0.4 F (0.1 to 0.8) per decade1986 to 202535Rise
Mean daily maximum0.3 C (0.1 to 0.5) per decade0.5 F (0.1 to 1.0) per decade1986 to 202535Rise
Mean daily minimum0.18 C (0.00 to 0.35) per decade0.32 F (0.01 to 0.63) per decade1986 to 202535Rise

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 Brenner Montana: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)36.7 C (98.1 F)200232.2 C (90.0 F)42
Coldest night (TNn)-40.0 C (-40.0 F)1989-27.2 C (-17.0 F)42

Hottest day (TXx)

Hottest day (TXx) at Brenner Montana by year The hottest day of the year at Brenner Montana, 1985 to 2026. The record is 36.7 C (98.1 F) in 2002, marked on the chart; the median year is 32.2 C (90.0 F). 253035401990200020102020Record: 36.7 C (98.1 F) in 2002
The hottest day of the year at Brenner Montana, 1985 to 2026. The record is 36.7 C (98.1 F) in 2002, marked on the chart; the median year is 32.2 C (90.0 F).
Hottest day (TXx) at Brenner Montana by year
YearHottest day (TXx)
198531.7 C (89.1 F)
198631.1 C (88.0 F)
198728.9 C (84.0 F)
198833.3 C (91.9 F)
198931.1 C (88.0 F)
199031.7 C (89.1 F)
199130.6 C (87.1 F)
199230.6 C (87.1 F)
199326.1 C (79.0 F)
199431.7 C (89.1 F)
199531.1 C (88.0 F)
199632.2 C (90.0 F)
199730.6 C (87.1 F)
199832.8 C (91.0 F)
199931.7 C (89.1 F)
200033.3 C (91.9 F)
200133.3 C (91.9 F)
200236.7 C (98.1 F)
200335.6 C (96.1 F)
200430.6 C (87.1 F)
200532.8 C (91.0 F)
200635.6 C (96.1 F)
200733.9 C (93.0 F)
200831.7 C (89.1 F)
200932.2 C (90.0 F)
201030.6 C (87.1 F)
201131.7 C (89.1 F)
201232.2 C (90.0 F)
201333.3 C (91.9 F)
201431.1 C (88.0 F)
201532.8 C (91.0 F)
201631.7 C (89.1 F)
201732.2 C (90.0 F)
201834.4 C (93.9 F)
201931.7 C (89.1 F)
202032.8 C (91.0 F)
202132.4 C (90.3 F)
202233.7 C (92.7 F)
202332.4 C (90.3 F)
202433.3 C (91.9 F)
202532.2 C (90.0 F)
202635.0 C (95.0 F)

Coldest night (TNn)

Coldest night (TNn) at Brenner Montana by year The coldest night of the year at Brenner Montana, 1985 to 2026. The record is -40.0 C (-40.0 F) in 1989, marked on the chart; the median year is -27.2 C (-17.0 F). -40-30-20-101990200020102020Record: -40.0 C (-40.0 F) in 1989
The coldest night of the year at Brenner Montana, 1985 to 2026. The record is -40.0 C (-40.0 F) in 1989, marked on the chart; the median year is -27.2 C (-17.0 F).
Coldest night (TNn) at Brenner Montana by year
YearColdest night (TNn)
1985-28.0 C (-18.4 F)
1986-23.9 C (-11.0 F)
1987-24.4 C (-11.9 F)
1988-24.4 C (-11.9 F)
1989-40.0 C (-40.0 F)
1990-40.0 C (-40.0 F)
1991-26.7 C (-16.1 F)
1992-23.3 C (-9.9 F)
1993-30.6 C (-23.1 F)
1994-22.2 C (-8.0 F)
1995-24.4 C (-11.9 F)
1996-31.1 C (-24.0 F)
1997-30.6 C (-23.1 F)
1998-32.8 C (-27.0 F)
1999-18.3 C (-0.9 F)
2000-21.1 C (-6.0 F)
2001-22.2 C (-8.0 F)
2002-24.4 C (-11.9 F)
2003-30.6 C (-23.1 F)
2004-26.7 C (-16.1 F)
2005-26.7 C (-16.1 F)
2006-31.7 C (-25.1 F)
2007-32.2 C (-26.0 F)
2008-33.3 C (-27.9 F)
2009-31.7 C (-25.1 F)
2010-26.1 C (-15.0 F)
2011-25.6 C (-14.1 F)
2012-19.4 C (-2.9 F)
2013-31.1 C (-24.0 F)
2014-34.4 C (-29.9 F)
2015-23.9 C (-11.0 F)
2016-27.8 C (-18.0 F)
2017-27.2 C (-17.0 F)
2018-25.6 C (-14.1 F)
2019-28.9 C (-20.0 F)
2020-19.1 C (-2.4 F)
2021-27.8 C (-18.0 F)
2022-38.3 C (-36.9 F)
2023-30.3 C (-22.5 F)
2024-36.1 C (-33.0 F)
2025-27.2 C (-17.0 F)
2026-16.1 C (3.0 F)

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.

Frost Dates and Growing Season

35 years with a frost

Across 35 years with a frost, the median last spring frost at Brenner Montana falls on 17 June and the median first autumn frost on 9 September, which leaves a median of 84 days between them.

Fitted over all years, the growing season changes by +6.3 days per decade at this station.

Frost dates and growing season at Brenner Montana
MeasureMedian, all yearsEarliest periodRecent period (1991 to 2025)Recent against earliestFitted trend
Last spring frost17 Junen/a18 Junen/a+0.7 days per decade
First autumn frost9 Septembern/a10 Septembern/a+7.0 days per decade
Growing days84 daysn/a86 daysn/a+6.3 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

  • Data for Brenner Montana standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Brenner Montana 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 (2026-10-13).