Gillette weather in April

In April, Gillette sees average daytime highs of 54°F and overnight lows near 33°F, with 2.4 in of precipitation across 10.8 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 51°F in the first days to 57°F by the end. The sky is clear or mostly clear about 23% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 13 h 54 min by month's end. Set against the rest of the year, April is Gillette's 12th-clearest and 3rd-windiest month. For the whole year in context, see Gillette's year-round climate.

Daytime high
54°
7th warmest
Overnight low
33°
6th coldest
Precipitation
2.4 in
10.8 wet days
Daylight
13 h 12 min
5:25 AM – 6:39 PM
Cloud cover
64%
12th clearest
Wind
12 mph
3rd windiest
Solar energy
5.72 kWh/m²
Travel score
3.2
out of 10

Gillette is city in Campbell County, Wyoming, United States.

Density
664/km²
people per km²
Founded
1892

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 51°F in the first days to 57°F by the end.

A typical April day in Gillette reaches about 54°F in the afternoon and slips back to 33°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 38°F and 71°F. Set against its neighbours, April runs about 7°F warmer than March and about 10°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15130
25130
35130
45130
55130
65231
75231
85231
95331
105331
115332
125332
135332
145433
155433
165433
175533
185534
195534
205534
215634
225635
235635
245635
255635
265736
275736
285736
295836
305837

How April really feels in Gillette

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 30 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
30
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Gillette weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan34° / 16°0.65.25.59.10.0
Feb37° / 18°0.85.85.710.20.0
Mar47° / 26°1.47.85.811.61.5
Apr54° / 33°2.410.85.413.23.2
May64° / 42°3.111.51.214.55.4
Jun75° / 52°2.310.20.115.36.8
Jul85° / 59°1.47.90155.7
Aug84° / 58°1.25.8013.86.5
Sep72° / 48°1.460.512.37.4
Oct56° / 36°1.97.83.110.84.3
Nov44° / 25°0.854.89.40.9
Dec35° / 18°0.75.15.18.70.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in April, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of April, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24555
34555
44555
54555
64555
74555
84456
94456
104456
114456
124456
134357
144357
154357
164159
174159
184159
194159
204159
214258
224159
234258
244258
254258
264258
274258
284456
294456
304456

Chance of precipitation in April

Any precipitationSnow

Gillette gets around 2.4 in of rain and snow over 10.8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 39% on the wettest days, and about 5 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13220
23220
33320
43320
53319
63319
73319
83319
93419
103418
113418
123518
133519
143519
153518
163618
173618
183618
193718
203718
213817
223817
233817
243816
253916
263915
273815
283814
293813
303913

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 12 mph in April.

Across April, daily wind ranges from about 12 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 5:53 AM to 5:02 AM, and sunset from 6:20 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:536:20
212.55:516:22
312.65:496:23
412.65:476:24
512.75:456:25
612.75:446:27
712.85:426:28
812.85:406:29
912.95:386:30
1012.95:366:32
1113.05:346:33
1213.05:336:34
1313.15:316:35
1413.15:296:37
1513.25:276:38
1613.25:256:39
1713.35:246:40
1813.35:226:42
1913.45:206:43
2013.45:186:44
2113.55:176:45
2213.55:156:47
2313.65:136:48
2413.65:126:49
2513.75:106:50
2613.75:096:52
2713.85:076:53
2813.85:056:54
2913.95:046:55
3013.95:026:56

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.72 kWh/m².

For context, solar energy here swings from a low near 1.87 kWh/m² to a high of 7.4 kWh/m² in July across the year — April's 5.72 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.6Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.1Intense
Planning a trip in April

Is April a good time to visit Gillette?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Gillette.

What to pack for Gillette in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Gillette sees daytime highs around 54°F and nights near 33°F. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

UV index in Gillette in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gillette peaks around June 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 18UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr5High
May7High
Jun9Very high
Jul8Very high
Aug7High
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Gillette in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Gillette is worst in August — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 2220 µg/m³Dec 188 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb9Good
Mar12Moderate
Apr12Good
May13Moderate
Jun13Moderate
Jul15Moderate
Aug20Moderate
Sep20Moderate
Oct14Moderate
Nov11Good
Dec8Good
Location & terrain

Where is Gillette?

Gillette sits at 44.3°N, 105.5°W, 4,554 ft above sea level, in United States. The nearest listed city is Sheridan, 80 mi away.

Topography around Gillette

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Gillette.

Within 2 miles, the terrain around Gillette has only modest variations in elevation — a maximum elevation change of 348 ft around an average of 4,564 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,014 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,707 ft.

The land around Gillette is covered by grassland (50%) and artificial surfaces (35%) within 2 miles, grassland (91%) within 10 miles, and grassland (94%) within 50 miles.

2 miles
348 ft
10 miles
1,014 ft
50 miles
2,707 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Sheridan 80 mi · Casper 106 mi · Rapid City 114 mi · Billings 179 mi · Laramie 206 mi · Cheyenne 221 mi · Dickinson 222 mi · Fort Collins 257 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Gillette (44.2911°, -105.5022°, elevation 4,554 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).