Jackson, WY weather in October
Expect cool weather with some rain in Jackson in October, with highs near 55°F and lows near 25°F. Rain or snow falls on about 9 days. Snowfall averages about 2.0 in.
- Normal high
- 55°F
- Normal low
- 25°F
- Wet days
- 9
- 1.6 in total
- Snowfall
- 2.0 in
- snow on the ground 2 days
How October changes from start to finish
| October 1 | October 31 | |
|---|---|---|
| Normal high | 62°F | 46°F |
| Normal low | 29°F | 21°F |
| Chance of a wet day | 28% | 29% |
| Sunrise / sunset | 7:20 am / 7:04 pm | 7:57 am / 6:15 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).
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F7 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow9 of 31
- Notable rainat least 0.10 in5 of 31
- Freezing nightslow 32°F or below25 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 0.8 in and a wet one about 2.0 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 2.0 in, with about 1 day of an inch or more.
How October varies from year to year
- Warmest October, 1991-20201999: average high 64°F
- Coolest October2019: average high 45°F
- Wettest October2016: 5.0 in
- Driest October2014: 0.3 in
- Highest reading87°F (October 1, 1997)
- Lowest reading-9°F (October 26, 2020)
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 | 68°F | 55°F | 38°F |
| Normal low | 33°F | 25°F | 16°F |
| Wet days | 8 | 9 | 10 |
| Comfortable days | 21 | 7 | 0 |
| Daylight | 12.5 h | 11.0 h | 9.7 h |
Highs change by -13°F from September and -17°F into November.
Nearby alternatives in October
- Warmer: Billings, MT194 mi · high 60°F · 8 wet days
- Drier: Sun Valley, ID180 mi · high 56°F · 5 wet days
How Jackson ranks in October
- Normal high362nd warmest of 378 cities; 4th of 4 in Wyoming
- Wet days234th driest of 378
- Comfortable days264th most of 340
What to pack for Jackson in October
- A warm jacket – lows near 25°F, highs near 55°F
- Layers – afternoons near 55°F but nights near 25°F
- A rain jacket or umbrella – rain or snow on about 9 days
- A hat and gloves – about 25 freezing nights
Heating and cooling
October has 784 heating degree days and 0 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How cold is Jackson in October?
The normal high is 55°F and the normal low is 25°F. From 1991 to 2020 the coldest October reading was -9°F (October 26, 2020).
Does it rain a lot in Jackson in October?
About 9 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 2016 (5.0 in); the driest was in 2014 (0.3 in).
Does it snow in Jackson in October?
Yes. Normal snowfall in October is 2.0 in, and snow covers the ground on about 2 days.
Is October a good time to visit Jackson?
October ranks 6th of 12 months on our comfort score for Jackson (54 out of 100). It has about 7 comfortable days. The best months are June and September.
Where the numbers come from
- Temperature, rain and snowfall: Jackson (USC00484910), 0.5 mi N of the city center, 6,210 ft . NOAA normals and daily records, 1991-2020.
- Snow depth: Moose (USC00486428), 12 mi N of the city center, 6,444 ft (206 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Moose 1 Nne (USW00004131), 13 mi NNE of the city center, 6,466 ft (228 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Rexburg-Madison County Apt (726818-94194), 58 mi WNW of the city center, 4,858 ft (1,380 ft lower than the city). Hourly observations, 1991-2020.
- Not available for this location: humidity and wind by hour and cloud cover (no station close enough or similar enough in elevation).