Gillette, WY weather in October
Gillette is cool in October, with some rain and some snow: highs average 59°F and nights drop to about 34°F. Rain or snow falls on about 8 days. Snowfall averages about 4.4 in.
- Normal high
- 59°F
- Normal low
- 34°F
- Wet days
- 8
- 1.6 in total
- Snowfall
- 4.4 in
- snow on the ground 2 days
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 67°F | 53°F |
| Normal low | 40°F | 29°F |
| Chance of a wet day | 26% | 23% |
| Sunrise / sunset | 6:59 am / 6:43 pm | 7:37 am / 5:53 pm |
| Daylight | 11.7 h | 10.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Mountain Time).
A typical October day
- 6 am39°Fdew point 28°F
- 9 am48°Fdew point 31°F
- Noon55°Fdew point 30°F
- 3 pm57°Fdew point 29°F
- 6 pm45°Fdew point 30°F
- 9 pm42°Fdew point 29°F
NOAA hourly normals (local standard time) from Gillette Campbell Airport (4 mi away); average wind 10 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)11 of 31
- Hot dayshigh 90°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in4 of 31
- Freezing nightslow 32°F or below14 of 31
- Snow on the groundsnow depth 1 in or more2 of 31
Average days per October, counted from daily records for each year 1991-2020.
Rain and snow in October
Normal precipitation is 1.6 in; a dry October brings about 0.9 in and a wet one about 1.7 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 4.4 in, with about 2 days of an inch or more.
How October varies from year to year
- Warmest October, 1991-20202010: average high 69°F
- Coolest October2009: average high 48°F
- Wettest October1994: 6.8 in
- Driest October1999: 0.2 in
- Highest reading90°F (October 1, 2011)
- Lowest reading-9°F (October 30, 1991)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
October compared with September and November
| September | October | November | |
|---|---|---|---|
| Normal high | 75°F | 59°F | 46°F |
| Normal low | 46°F | 34°F | 24°F |
| Wet days | 6 | 8 | 6 |
| Comfortable days | 12 | 11 | 3 |
| Daylight | 12.5 h | 11.0 h | 9.6 h |
Highs change by -16°F from September and -13°F into November.
How Gillette ranks in October
- Normal high331st warmest of 378 cities; 2nd of 4 in Wyoming
- Wet days228th driest of 378
What to pack for Gillette in October
- A warm jacket – lows near 34°F, highs near 59°F
- Layers – afternoons near 59°F but nights near 34°F
- A rain jacket or umbrella – rain or snow on about 8 days
- Waterproof boots – about 4.4 in of snow in a typical year
Heating and cooling
October has 566 heating degree days and 2 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.
Questions
How cold is Gillette in October?
The normal high is 59°F and the normal low is 34°F. From 1991 to 2020 the coldest October reading was -9°F (October 30, 1991).
Does it rain a lot in Gillette in October?
About 8 days in October have at least 0.01 in of precipitation, and the normal total is 1.6 in. The wettest October in 1991-2020 was in 1994 (6.8 in); the driest was in 1999 (0.2 in).
Does it snow in Gillette in October?
Yes. Normal snowfall in October is 4.4 in, and snow covers the ground on about 2 days.
Is October a good time to visit Gillette?
October ranks 5th of 12 months on our comfort score for Gillette (59 out of 100). It has about 11 comfortable days (judged by temperature only). The best months are May and June.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Gillette 4SE (USC00483855), 3.1 mi ESE of the city center, 4,640 ft (86 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates and humidity and wind by hour: Gillette Campbell Airport (USW00094023), 3.9 mi NNW of the city center, 4,354 ft (200 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Not available for this location: cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).