Havre weather in May: Havre, Montana: normal highs, lows, rain and records for May

Havre in May has a normal high of 68°F and a normal low of 40°F, a daily mean of 54°F, rising from 63°F on the 1st to 72°F by the 31st. Measurable precipitation falls on 11 days in a normal May, 1.86 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 20°C and low of 5°C, 47 mm of precipitation and 1 cm of snow in May.

  • NOAA stationHavre Airport Asos
  • Station IDUSW00094012
  • Location48.54°N 109.76°W
  • Elevation2,585 ft (788 m)
  • Population9,204
  1. Jan 28° 7°
  2. Feb 33° 10°
  3. Mar 44° 20°
  4. Apr 57° 31°
  5. May 68° 40°
  6. Jun 76° 49°
  7. Jul 86° 54°
  8. Aug 85° 52°
  9. Sep 73° 43°
  10. Oct 58° 31°
  11. Nov 42° 20°
  12. Dec 32° 11°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Havre in May?

The normal high is 68°F and the normal low 40°F, for a daily mean of 53.9°F. May is 9.9°F warmer than April and 8.2°F cooler than June. May is the 5th warmest month of the year in Havre and the 2nd wettest. Across the month the normal high rises 9°F, from 63°F on May 1 to 72°F on May 31. From one year to the next May's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Mays in three average between 51°F and 57°F.

Havre in May, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 39%).

Normal high and low on five days of May, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
May 163°F35°F29%13%
May 865°F37°F31%15%
May 1567°F40°F34%17%
May 2269°F43°F37%18%
May 3172°F46°F39%20%
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
Havre: NOAA 1991-2020 daily normals for each day of May
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
May 163°F35°F29%13%14 h 30 min
May 263°F35°F30%13%14 h 30 min
May 364°F35°F30%14%14 h 40 min
May 464°F36°F30%14%14 h 40 min
May 564°F36°F31%14%14 h 40 min
May 665°F36°F31%14%14 h 50 min
May 765°F37°F31%15%14 h 50 min
May 865°F37°F31%15%14 h 50 min
May 966°F37°F32%15%14 h 50 min
May 1066°F38°F32%15%15 h
May 1166°F38°F32%16%15 h
May 1267°F39°F33%16%15 h
May 1367°F39°F33%16%15 h 10 min
May 1467°F39°F33%16%15 h 10 min
May 1567°F40°F34%17%15 h 10 min
May 1668°F40°F34%17%15 h 10 min
May 1768°F41°F35%17%15 h 20 min
May 1868°F41°F35%18%15 h 20 min
May 1969°F42°F36%18%15 h 20 min
May 2069°F42°F36%18%15 h 20 min
May 2169°F42°F36%18%15 h 30 min
May 2269°F43°F37%18%15 h 30 min
May 2370°F43°F37%19%15 h 30 min
May 2470°F43°F37%19%15 h 30 min
May 2570°F44°F38%19%15 h 40 min
May 2670°F44°F38%19%15 h 40 min
May 2771°F44°F38%19%15 h 40 min
May 2871°F45°F38%19%15 h 40 min
May 2971°F45°F39%20%15 h 40 min
May 3071°F45°F39%20%15 h 50 min
May 3172°F46°F39%20%15 h 50 min
Normal high
68°FMay average
Normal low
40°FMay average
Precipitation
1.86 inmonth total
Days with precipitation
110.01 inch or more
Snowfall
0.4 inmonth total
Days at 90°F or more
1
Nights at 32°F or colder
5
Daylight
14 h 30 min to 15 h 50 minMay 1 to May 31
Days at 70°F or more
13
Days at 80°F or more
4
Sunshine
74%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00094012; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Havre in May?

On a given May day the chance of 0.01 inch or more is 34% on average, highest around May 31 (39%). In all, 1.86 in falls on 11 days of a normal May.

In a normal May in Havre, 1 days reach 90°F, 5 nights fall to freezing and snowfall averages 0.4 inches.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094012.

How humid and windy is Havre in May?

At 3 p.m. the normal temperature is 69°F with 36% relative humidity and a dew point of 41°F; at 6 a.m. it is 50°F with 77% humidity. The wind averages 10.0 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.

A normal May day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.50°F43°F77%8.2 mph–
9 a.m.60°F44°F54%11.0 mph62%
noon67°F42°F41%11.8 mph58%
3 p.m.69°F41°F36%12.0 mph–
6 p.m.67°F42°F39%11.6 mph–
9 p.m.58°F44°F60%9.0 mph–

Source: NOAA NCEI 1991-2020 hourly normals, station USW00094012. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for May in Havre?

The warmest May temperature on Havre's official record (since 1880) is 98°F, on May 29, 1936; the coldest is 14°F, on May 2, 1954. The wettest May brought 7.09 in (1927); the snowiest, 30.6 inches (1982).

The May mean against the 1991-2020 normal of 53.9°F: 2021 50.7°F (−3.2), 2022 53.5°F (−0.4), 2023 60.5°F (+6.6), 2024 52.8°F (−1.1), 2025 57.8°F (+3.9), 2026 55.8°F (+1.9). 3 of 6 ran warmer than normal.

Havre: May in recent years against the 1991-2020 normal
MayMeanAgainst normalPrecip.
202150.7°F−3.2°F2.69 in
202253.5°F−0.4°F0.41 in
202360.5°F+6.6°F2.51 in
202452.8°F−1.1°F3.92 in
202557.8°F+3.9°F1.24 in
202655.8°F+1.9°F1.91 in

Source: records: ACIS, NWS threaded record HVRthr; recent months: ACIS, station USW00094012. Records and recent months use complete months only.

How does May in Havre compare across Montana?

Across the 141 places PlainClimate covers in Montana, May normal highs run from 54°F in Cooke City to 72°F in Savage; Havre's is 68°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places