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

Gillette in July has a normal high of 87°F and a normal low of 56°F, a daily mean of 71°F, rising from 83°F on the 1st to 88°F by the 31st. Measurable precipitation falls on 8 days in a normal July, 1.52 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 31°C and low of 13°C, 39 mm of precipitation in July.

  • 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 July?

The normal high is 87°F and the normal low 56°F, for a daily mean of 71.3°F. July is 8.8°F warmer than June and 1.5°F warmer than August. July is the warmest month of the year in Gillette and the 4th wettest. Across the month the normal high rises 5°F, from 83°F on July 1 to 88°F on July 31. From one year to the next July's mean temperature typically moves about 3.3°F either way (NOAA's standard deviation), so roughly two Julys in three average between 68°F and 75°F.

Gillette in July, 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 28%).

Normal high and low on five days of July, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
July 183°F52°F28%12%
July 886°F54°F27%11%
July 1588°F56°F26%11%
July 2288°F57°F26%11%
July 3188°F57°F26%10%
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 24, coldest night July 1)
Gillette: NOAA 1991-2020 daily normals for each day of July
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
July 183°F52°F28%12%15 h 30 min
July 284°F53°F28%12%15 h 30 min
July 384°F53°F28%12%15 h 30 min
July 485°F53°F27%12%15 h 30 min
July 585°F54°F27%12%15 h 30 min
July 685°F54°F27%12%15 h 30 min
July 786°F54°F27%11%15 h 20 min
July 886°F54°F27%11%15 h 20 min
July 986°F55°F27%11%15 h 20 min
July 1086°F55°F27%11%15 h 20 min
July 1187°F55°F26%11%15 h 20 min
July 1287°F55°F26%11%15 h 20 min
July 1387°F56°F26%11%15 h 20 min
July 1487°F56°F26%11%15 h 20 min
July 1588°F56°F26%11%15 h 10 min
July 1688°F56°F26%11%15 h 10 min
July 1788°F57°F26%11%15 h 10 min
July 1888°F57°F26%11%15 h 10 min
July 1988°F57°F26%11%15 h 10 min
July 2088°F57°F26%11%15 h 10 min
July 2188°F57°F26%11%15 h
July 2288°F57°F26%11%15 h
July 2388°F57°F26%11%15 h
July 2489°F57°F26%11%15 h
July 2589°F57°F26%10%15 h
July 2689°F57°F26%10%14 h 50 min
July 2789°F57°F26%10%14 h 50 min
July 2889°F57°F26%10%14 h 50 min
July 2988°F57°F26%10%14 h 50 min
July 3088°F57°F26%10%14 h 50 min
July 3188°F57°F26%10%14 h 40 min
Normal high
87°FJuly average
Normal low
56°FJuly average
Precipitation
1.52 inmonth total
Days with precipitation
80.01 inch or more
Days at 90°F or more
16
Daylight
15 h 30 min to 14 h 40 minJuly 1 to July 31
Days at 70°F or more
31
Days at 80°F or more
27
Sunshine
88%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 July?

On a given July day the chance of 0.01 inch or more is 26% on average, highest around July 1 (28%). In all, 1.52 in falls on 8 days of a normal July.

In a normal July in Gillette, 16 days reach 90°F.

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

How humid and windy is Gillette in July?

At 3 p.m. the normal temperature is 85°F with 25% relative humidity and a dew point of 45°F; at 6 a.m. it is 63°F with 64% humidity. The wind averages 8.8 mph, most often from the north in the afternoon. A dew point under 50°F feels dry.

A normal July day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.63°F50°F64%6.8 mph85%
9 a.m.75°F50°F42%9.7 mph86%
noon83°F47°F29%9.8 mph82%
3 p.m.85°F45°F25%10.5 mph78%
6 p.m.81°F47°F31%10.9 mph83%
9 p.m.67°F49°F52%6.8 mph82%

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 July in Gillette?

The July mean against the 1991-2020 normal of 71.3°F: 2021 76.5°F (+5.3), 2022 73.5°F (+2.2), 2023 70.8°F (−0.5), 2025 72.6°F (+1.3), 2026 77.8°F (+6.5). 4 of 5 ran warmer than normal.

Gillette: July in recent years against the 1991-2020 normal
JulyMeanAgainst normalPrecip.
202176.5°F+5.3°F0.76 in
202273.5°F+2.2°F1.58 in
202370.8°F−0.5°F1.43 in
202572.6°F+1.3°F1.88 in
202677.8°F+6.5°F0.97 in

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

How does July in Gillette compare across Wyoming?

Across the 71 places PlainClimate covers in Wyoming, July normal highs run from 75°F in Sundance to 93°F in Basin; Gillette's is 87°F.

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

Other months and places