Gillette weather in April: Gillette, Wyoming: normal highs, lows, rain and records for April

Gillette in April has a normal high of 55°F and a normal low of 30°F, a daily mean of 43°F, rising from 53°F on the 1st to 59°F by the 30th. Measurable precipitation falls on 11 days in a normal April, 1.60 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 13°C and low of −1°C, 41 mm of precipitation in April.

  • NOAA stationGillette Campbell Airport
  • Station IDUSW00094023
  • Location44.34°N 105.54°W
  • Elevation4,354 ft (1,327 m)
  • Population33,846
  1. Jan 36° 14°
  2. Feb 37° 15°
  3. Mar 48° 23°
  4. Apr 55° 30°
  5. May 65° 39°
  6. Jun 77° 48°
  7. Jul 87° 56°
  8. Aug 86° 54°
  9. Sep 75° 44°
  10. Oct 59° 32°
  11. Nov 46° 22°
  12. Dec 36° 15°

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

How warm is Gillette in April?

The normal high is 55°F and the normal low 30°F, for a daily mean of 42.5°F. April is 6.9°F warmer than March and 9.6°F cooler than May. April is the 7th warmest month of the year in Gillette and the 3rd wettest. Across the month the normal high rises 6°F, from 53°F on April 1 to 59°F on April 30. From one year to the next April's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 40°F and 45°F.

Gillette in April, 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 April, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
April 153°F27°F32%12%
April 854°F28°F34%14%
April 1555°F29°F37%15%
April 2257°F31°F38%17%
April 3059°F33°F39%18%
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
Gillette: NOAA 1991-2020 daily normals for each day of April
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
April 153°F27°F32%12%12 h 40 min
April 253°F28°F32%12%12 h 50 min
April 353°F28°F33%13%12 h 50 min
April 453°F28°F33%13%12 h 50 min
April 553°F28°F33%13%12 h 50 min
April 653°F28°F34%13%13 h
April 754°F28°F34%13%13 h
April 854°F28°F34%14%13 h
April 954°F29°F34%14%13 h 10 min
April 1054°F29°F35%14%13 h 10 min
April 1154°F29°F35%14%13 h 10 min
April 1254°F29°F35%15%13 h 20 min
April 1355°F29°F36%15%13 h 20 min
April 1455°F29°F36%15%13 h 20 min
April 1555°F29°F37%15%13 h 20 min
April 1655°F30°F37%16%13 h 30 min
April 1755°F30°F37%16%13 h 30 min
April 1856°F30°F37%16%13 h 30 min
April 1956°F30°F38%16%13 h 40 min
April 2056°F30°F38%16%13 h 40 min
April 2156°F31°F38%17%13 h 40 min
April 2257°F31°F38%17%13 h 50 min
April 2357°F31°F38%17%13 h 50 min
April 2457°F31°F39%17%13 h 50 min
April 2557°F32°F39%17%13 h 50 min
April 2658°F32°F39%18%14 h
April 2758°F32°F39%18%14 h
April 2858°F33°F39%18%14 h
April 2959°F33°F39%18%14 h
April 3059°F33°F39%18%14 h 10 min
Normal high
55°FApril average
Normal low
30°FApril average
Precipitation
1.60 inmonth total
Days with precipitation
110.01 inch or more
Nights at 32°F or colder
18
Daylight
12 h 40 min to 14 h 10 minApril 1 to April 30
Days at 70°F or more
5
Days at 80°F or more
1
Sunshine
71%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00094023; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Gillette in April?

On a given April day the chance of 0.01 inch or more is 36% on average, highest around April 30 (39%). In all, 1.60 in falls on 11 days of a normal April.

In a normal April in Gillette, 18 nights fall to freezing and 1 days stay below freezing all day.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094023.

How humid and windy is Gillette in April?

At 3 p.m. the normal temperature is 56°F with 40% relative humidity and a dew point of 32°F; at 6 a.m. it is 40°F with 73% humidity. The wind averages 11.2 mph, most often from the north-northwest in the afternoon. A dew point under 50°F feels dry.

A normal April day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.40°F32°F73%9.5 mph61%
9 a.m.49°F34°F55%12.8 mph–
noon54°F32°F43%13.4 mph–
3 p.m.56°F32°F40%13.2 mph–
6 p.m.52°F33°F47%12.4 mph–
9 p.m.42°F33°F70%8.6 mph61%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00094023. 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 April in Gillette?

The April mean against the 1991-2020 normal of 42.5°F: 2021 41.3°F (−1.3), 2022 37.4°F (−5.1), 2023 41.4°F (−1.1), 2024 45.0°F (+2.5), 2025 43.7°F (+1.2), 2026 43.4°F (+0.9). 3 of 6 ran warmer than normal.

Gillette: April in recent years against the 1991-2020 normal
AprilMeanAgainst normalPrecip.
202141.3°F−1.3°F1.17 in
202237.4°F−5.1°F2.69 in
202341.4°F−1.1°F0.54 in
202445.0°F+2.5°F1.04 in
202543.7°F+1.2°F1.73 in
202643.4°F+0.9°F1.18 in

Source: recent months: ACIS, station USW00094023. Records and recent months use complete months only.

How does April in Gillette compare across Wyoming?

Across the 71 places PlainClimate covers in Wyoming, April normal highs run from 46°F in Sundance to 63°F in Basin; Gillette's is 55°F.

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

Other months and places