Gillette weather in October

In October, Gillette sees average daytime highs of 56°F and overnight lows near 36°F, with 1.9 in of precipitation across 7.8 wet days and about 10.8 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 63°F in the first days to 50°F by the end. The sky is clear or mostly clear about 43% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 10 hours by month's end. Set against the rest of the year, October is Gillette's 4th-clearest and 7th-windiest month. For the whole year in context, see Gillette's year-round climate.

Daytime high: 56°; 6th warmest
Overnight low: 36°; 7th coldest
Precipitation: 1.9 in; 7.8 wet days
Daylight: 10 h 42 min; 6:25 AM – 5:09 PM
Cloud cover: 49%; 4th clearest
Wind: 12 mph; 7th windiest
Solar energy: 3.37 kWh/m²
Travel score: 4.3; 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.

← September Gillette year-round climate November →Best places to visit in October

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 63°F in the first days to 50°F by the end.

A typical October day in Gillette reaches about 56°F in the afternoon and slips back to 36°F overnight — a 21°F spread between the day's warmth and the night's chill. On most days the high lands between 40°F and 73°F. Set against its neighbours, October runs about 16°F cooler than September and about 13°F warmer than November.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°F)	64	63	63	62	62	61	60	60	59	59	58	58	58	57	57	57	56	56	55	55	55	54	54	53	53	52	51	51	51	50	49
Avg low (°F)	42	41	41	40	40	40	39	39	38	38	38	37	37	37	36	36	36	35	35	35	34	34	33	33	32	32	31	31	31	30	30

	Avg high (°F)	Avg low (°F)
1	64	42
2	63	41
3	63	41
4	62	40
5	62	40
6	61	40
7	60	39
8	60	39
9	59	38
10	59	38
11	58	38
12	58	37
13	58	37
14	57	37
15	57	36
16	57	36
17	56	36
18	56	35
19	55	35
20	55	35
21	55	34
22	54	34
23	54	33
24	53	33
25	53	32
26	52	32
27	51	31
28	51	31
29	51	31
30	50	30
31	49	30

How October really feels in Gillette

Once humidity and wind are folded in, October averages 0 days that feel above 90°F and 25 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F

heat index over the day's high

Days feeling ≤ 32°F

wind chill below the day's low

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

Gillette weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	65	65	64	63	63	62	62	62	62	62	62	62	61	62	62	62	62	61	61	61	60	60	59	59	58	59	58	58	58	57	57
Cloudier (%)	35	35	36	37	37	38	38	38	38	38	38	38	39	38	38	38	38	39	39	39	40	40	41	41	42	41	42	42	42	43	43

	Clearer (%)	Cloudier (%)
1	65	35
2	65	35
3	64	36
4	63	37
5	63	37
6	62	38
7	62	38
8	62	38
9	62	38
10	62	38
11	62	38
12	62	38
13	61	39
14	62	38
15	62	38
16	62	38
17	62	38
18	61	39
19	61	39
20	61	39
21	60	40
22	60	40
23	59	41
24	59	41
25	58	42
26	59	41
27	58	42
28	58	42
29	58	42
30	57	43
31	57	43

Chance of precipitation in October

Any precipitationSnow

Gillette gets around 1.9 in of rain and snow over 7.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 24% and peaks near 27% on the wettest days, and about 3 days bring snow.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	25	25	26	26	27	27	27	27	27	27	26	26	25	25	24	24	23	23	23	22	22	22	22	22	22	22	21	21	21	20	20
Snow chance (%)	8	8	9	9	9	10	10	10	10	9	9	9	9	8	8	8	8	8	8	8	9	9	10	10	11	11	12	12	12	13	13

	Rain chance (%)	Snow chance (%)
1	25	8
2	25	8
3	26	9
4	26	9
5	27	9
6	27	10
7	27	10
8	27	10
9	27	10
10	27	9
11	26	9
12	26	9
13	25	9
14	25	8
15	24	8
16	24	8
17	23	8
18	23	8
19	23	8
20	22	8
21	22	9
22	22	9
23	22	10
24	22	10
25	22	11
26	22	11
27	21	12
28	21	12
29	21	12
30	20	13
31	20	13

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

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

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

Wind in October

Winds average 12 mph in October.

Across October, daily wind ranges from about 11 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (mph)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	12	12	12	12	12	12	12	12	12	12	12
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (mph)	Feels
1	11	light breeze
2	11	light breeze
3	11	light breeze
4	11	light breeze
5	11	light breeze
6	11	light breeze
7	11	light breeze
8	11	light breeze
9	11	light breeze
10	11	light breeze
11	11	light breeze
12	11	light breeze
13	11	light breeze
14	11	light breeze
15	11	light breeze
16	11	light breeze
17	11	light breeze
18	11	light breeze
19	11	light breeze
20	11	light breeze
21	12	light breeze
22	12	light breeze
23	12	light breeze
24	12	light breeze
25	12	light breeze
26	12	light breeze
27	12	light breeze
28	12	light breeze
29	12	light breeze
30	12	light breeze
31	12	light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over October. Sunrise moves from 6:06 AM to 6:45 AM, and sunset from 5:36 PM to 4:46 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	11.5	11.5	11.4	11.4	11.3	11.3	11.2	11.2	11.1	11.1	11.0	10.9	10.9	10.8	10.8	10.7	10.7	10.6	10.6	10.5	10.5	10.5	10.4	10.4	10.3	10.3	10.2	10.2	10.1	10.1	10.0
Sunrise (AM)	6:06	6:07	6:08	6:09	6:11	6:12	6:13	6:14	6:16	6:17	6:18	6:19	6:21	6:22	6:23	6:25	6:26	6:27	6:29	6:30	6:31	6:33	6:34	6:35	6:37	6:38	6:39	6:41	6:42	6:43	6:45
Sunset (PM)	5:36	5:35	5:33	5:31	5:29	5:27	5:25	5:23	5:22	5:20	5:18	5:16	5:15	5:13	5:11	5:09	5:08	5:06	5:04	5:03	5:01	5:00	4:58	4:57	4:55	4:54	4:52	4:51	4:49	4:48	4:46

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.5	6:06	5:36
2	11.5	6:07	5:35
3	11.4	6:08	5:33
4	11.4	6:09	5:31
5	11.3	6:11	5:29
6	11.3	6:12	5:27
7	11.2	6:13	5:25
8	11.2	6:14	5:23
9	11.1	6:16	5:22
10	11.1	6:17	5:20
11	11.0	6:18	5:18
12	10.9	6:19	5:16
13	10.9	6:21	5:15
14	10.8	6:22	5:13
15	10.8	6:23	5:11
16	10.7	6:25	5:09
17	10.7	6:26	5:08
18	10.6	6:27	5:06
19	10.6	6:29	5:04
20	10.5	6:30	5:03
21	10.5	6:31	5:01
22	10.5	6:33	5:00
23	10.4	6:34	4:58
24	10.4	6:35	4:57
25	10.3	6:37	4:55
26	10.3	6:38	4:54
27	10.2	6:39	4:52
28	10.2	6:41	4:51
29	10.1	6:42	4:49
30	10.1	6:43	4:48
31	10.0	6:45	4:46

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.37 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 — October's 3.37 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.1	4.1	4.0	4.0	3.9	3.9	3.8	3.8	3.7	3.6	3.6	3.6	3.5	3.5	3.4	3.4	3.4	3.3	3.3	3.2	3.2	3.1	3.1	3.1	3.0	3.0	2.9	2.9	2.9	2.8	2.8
Level	Bright	Bright	Bright	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.1	Bright
2	4.1	Bright
3	4.0	Bright
4	4.0	Moderate
5	3.9	Moderate
6	3.9	Moderate
7	3.8	Moderate
8	3.8	Moderate
9	3.7	Moderate
10	3.6	Moderate
11	3.6	Moderate
12	3.6	Moderate
13	3.5	Moderate
14	3.5	Moderate
15	3.4	Moderate
16	3.4	Moderate
17	3.4	Moderate
18	3.3	Moderate
19	3.3	Moderate
20	3.2	Moderate
21	3.2	Moderate
22	3.1	Moderate
23	3.1	Moderate
24	3.1	Moderate
25	3.0	Moderate
26	3.0	Moderate
27	2.9	Moderate
28	2.9	Moderate
29	2.9	Moderate
30	2.8	Moderate
31	2.8	Moderate

Planning a trip in October

Is October a good time to visit Gillette?

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

4.3

Sightseeing

6th-best month of the year

0.4

Beach & pool

6th-best month of the year

October is a reasonable time to visit Gillette for sightseeing.

What to pack for Gillette in October

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

In October, Gillette sees daytime highs around 56°F and nights near 36°F. Worth packing: a warm layer. About 8 days see rain.

a warm layer

UV index in Gillette in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — 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 October

GoodModeratePoorUnhealthyVery unhealthy

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

← September Gillette year-round climate November →Best places to visit in October

October 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. 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).

	Avg high (°F)	Avg low (°F)
1	64	42
2	63	41
3	63	41
4	62	40
5	62	40
6	61	40
7	60	39
8	60	39
9	59	38
10	59	38
11	58	38
12	58	37
13	58	37
14	57	37
15	57	36
16	57	36
17	56	36
18	56	35
19	55	35
20	55	35
21	55	34
22	54	34
23	54	33
24	53	33
25	53	32
26	52	32
27	51	31
28	51	31
29	51	31
30	50	30
31	49	30

	Clearer (%)	Cloudier (%)
1	65	35
2	65	35
3	64	36
4	63	37
5	63	37
6	62	38
7	62	38
8	62	38
9	62	38
10	62	38
11	62	38
12	62	38
13	61	39
14	62	38
15	62	38
16	62	38
17	62	38
18	61	39
19	61	39
20	61	39
21	60	40
22	60	40
23	59	41
24	59	41
25	58	42
26	59	41
27	58	42
28	58	42
29	58	42
30	57	43
31	57	43

	Rain chance (%)	Snow chance (%)
1	25	8
2	25	8
3	26	9
4	26	9
5	27	9
6	27	10
7	27	10
8	27	10
9	27	10
10	27	9
11	26	9
12	26	9
13	25	9
14	25	8
15	24	8
16	24	8
17	23	8
18	23	8
19	23	8
20	22	8
21	22	9
22	22	9
23	22	10
24	22	10
25	22	11
26	22	11
27	21	12
28	21	12
29	21	12
30	20	13
31	20	13

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°F)	Avg low (°F)
1	64	42
2	63	41
3	63	41
4	62	40
5	62	40
6	61	40
7	60	39
8	60	39
9	59	38
10	59	38
11	58	38
12	58	37
13	58	37
14	57	37
15	57	36
16	57	36
17	56	36
18	56	35
19	55	35
20	55	35
21	55	34
22	54	34
23	54	33
24	53	33
25	53	32
26	52	32
27	51	31
28	51	31
29	51	31
30	50	30
31	49	30

	Clearer (%)	Cloudier (%)
1	65	35
2	65	35
3	64	36
4	63	37
5	63	37
6	62	38
7	62	38
8	62	38
9	62	38
10	62	38
11	62	38
12	62	38
13	61	39
14	62	38
15	62	38
16	62	38
17	62	38
18	61	39
19	61	39
20	61	39
21	60	40
22	60	40
23	59	41
24	59	41
25	58	42
26	59	41
27	58	42
28	58	42
29	58	42
30	57	43
31	57	43

	Rain chance (%)	Snow chance (%)
1	25	8
2	25	8
3	26	9
4	26	9
5	27	9
6	27	10
7	27	10
8	27	10
9	27	10
10	27	9
11	26	9
12	26	9
13	25	9
14	25	8
15	24	8
16	24	8
17	23	8
18	23	8
19	23	8
20	22	8
21	22	9
22	22	9
23	22	10
24	22	10
25	22	11
26	22	11
27	21	12
28	21	12
29	21	12
30	20	13
31	20	13

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100

	Avg high (°F)	Avg low (°F)
1	64	42
2	63	41
3	63	41
4	62	40
5	62	40
6	61	40
7	60	39
8	60	39
9	59	38
10	59	38
11	58	38
12	58	37
13	58	37
14	57	37
15	57	36
16	57	36
17	56	36
18	56	35
19	55	35
20	55	35
21	55	34
22	54	34
23	54	33
24	53	33
25	53	32
26	52	32
27	51	31
28	51	31
29	51	31
30	50	30
31	49	30

	Clearer (%)	Cloudier (%)
1	65	35
2	65	35
3	64	36
4	63	37
5	63	37
6	62	38
7	62	38
8	62	38
9	62	38
10	62	38
11	62	38
12	62	38
13	61	39
14	62	38
15	62	38
16	62	38
17	62	38
18	61	39
19	61	39
20	61	39
21	60	40
22	60	40
23	59	41
24	59	41
25	58	42
26	59	41
27	58	42
28	58	42
29	58	42
30	57	43
31	57	43

	Rain chance (%)	Snow chance (%)
1	25	8
2	25	8
3	26	9
4	26	9
5	27	9
6	27	10
7	27	10
8	27	10
9	27	10
10	27	9
11	26	9
12	26	9
13	25	9
14	25	8
15	24	8
16	24	8
17	23	8
18	23	8
19	23	8
20	22	8
21	22	9
22	22	9
23	22	10
24	22	10
25	22	11
26	22	11
27	21	12
28	21	12
29	21	12
30	20	13
31	20	13

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100
31	100