Gillette in Spring

In spring (March, April and May), Gillette sees average daytime highs around 55°F and overnight lows near 34°F, with 7.0 in of precipitation over about 30 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.

Over the season highs climb from about 41°F in early March to 69°F by late May. The sky is clear or mostly clear about 26% of the time across spring, and the air most often feels dry.

Spring is Gillette's 3rd-best season to visit on our travel score. For the whole year in context, see Gillette's year-round climate.

Avg daytime high: 55°F; 3rd-warmest season
Avg overnight low: 34°F
Precipitation: 7.0 in; 30 wet days
Avg wind: 12 mph
Travel score: 3.4; 3rd-best season
Months: Mar · Apr · May

← Winter Gillette year-round climate Summer →

Spring Summer Fall Winter

Temperature in Gillette in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 41°F in early March to 69°F by late May.

A typical spring day in Gillette reaches about 55°F and drops to 34°F overnight. The warmest of the three months is May, the coolest March.

How spring really feels in Gillette

Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 68 that feel at or below 32°F.

Days feeling ≥ 90°F

heat index over the day's high

Days feeling ≤ 32°F

11 feel bitter (≤ 14°F)

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

Gillette weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

Month	High / Low (°F)	Rainfall (inches)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	34° / 16°	0.6	5.2	5.5	9.1	0.0
Feb	37° / 18°	0.8	5.8	5.7	10.2	0.0
Mar	47° / 26°	1.4	7.8	5.8	11.6	1.5
Apr	54° / 33°	2.4	10.8	5.4	13.2	3.2
May	64° / 42°	3.1	11.5	1.2	14.5	5.4
Jun	75° / 52°	2.3	10.2	0.1	15.3	6.8
Jul	85° / 59°	1.4	7.9	0	15	5.7
Aug	84° / 58°	1.2	5.8	0	13.8	6.5
Sep	72° / 48°	1.4	6	0.5	12.3	7.4
Oct	56° / 36°	1.9	7.8	3.1	10.8	4.3
Nov	44° / 25°	0.8	5	4.8	9.4	0.9
Dec	35° / 18°	0.7	5.1	5.1	8.7	0.0

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time across spring.

Chance of precipitation in Spring

Any precipitationSnow

Gillette gets around 7.0 in of rain and snow over 30 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

Wind in Spring

Winds average 12 mph across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 10 h 48 min in early March to 15 hours by late May. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.6 kWh/m².

Planning a trip in spring

Is spring a good time to visit Gillette?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.4

Sightseeing

3rd-best month of the year

0.6

Beach & pool

3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Gillette.

What to pack for Gillette in Spring

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

In spring, Gillette sees daytime highs around 55°F and nights near 34°F. Pack a warm layer and sun protection. Worth having: a heavy coat and rain gear. About 30 days see rain.

a warm layersun protectiona heavy coatrain gear

UV index in Gillette in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	4	5	7	9	8	7	6	4	2	1
Level	Low	Moderate	Moderate	High	High	Very high	Very high	High	High	Moderate	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Moderate
Mar	4	Moderate
Apr	5	High
May	7	High
Jun	9	Very high
Jul	8	Very high
Aug	7	High
Sep	6	High
Oct	4	Moderate
Nov	2	Low
Dec	1	Low

Air quality in Gillette in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	10	9	12	12	13	13	15	20	20	14	11	8
Level	Good	Good	Moderate	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	10	Good
Feb	9	Good
Mar	12	Moderate
Apr	12	Good
May	13	Moderate
Jun	13	Moderate
Jul	15	Moderate
Aug	20	Moderate
Sep	20	Moderate
Oct	14	Moderate
Nov	11	Good
Dec	8	Good

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

grassland 50%

10 miles

1,014 ft

grassland 91%

50 miles

2,707 ft

grassland 94%

treesgrasslandcroplandartificial surfacesbare terrainwater

← Winter Gillette year-round climate Summer →

Spring 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

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.