Warm-summer humid continental climate
Climate Casper - Wyoming
Annual high59ºF
Annual low31ºF
Precipitation12.52 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 35 | 14 | 0.51 | 9 |
| Feb | 38 | 16 | 0.57 | 10 |
| Mar | 48 | 22 | 0.82 | 11 |
| Apr | 57 | 29 | 1.29 | 12 |
| May | 67 | 37 | 2.02 | 3 |
| Jun | 79 | 46 | 1.61 | 0 |
| Jul | 88 | 53 | 1.41 | 0 |
| Aug | 86 | 51 | 0.85 | 0 |
| Sep | 74 | 41 | 1.08 | 2 |
| Oct | 59 | 31 | 1.11 | 7 |
| Nov | 45 | 22 | 0.76 | 10 |
| Dec | 34 | 13 | 0.49 | 11 |
- JanHigh 35ºFLow 14ºFPrecip 0.51 inch
- FebHigh 38ºFLow 16ºFPrecip 0.57 inch
- MarHigh 48ºFLow 22ºFPrecip 0.82 inch
- AprHigh 57ºFLow 29ºFPrecip 1.29 inch
- MayHigh 67ºFLow 37ºFPrecip 2.02 inch
- JunHigh 79ºFLow 46ºFPrecip 1.61 inch
- JulHigh 88ºFLow 53ºFPrecip 1.41 inch
- AugHigh 86ºFLow 51ºFPrecip 0.85 inch
- SepHigh 74ºFLow 41ºFPrecip 1.08 inch
- OctHigh 59ºFLow 31ºFPrecip 1.11 inch
- NovHigh 45ºFLow 22ºFPrecip 0.76 inch
- DecHigh 34ºFLow 13ºFPrecip 0.49 inch
Climate summary
What is the average weather in Casper, Wyoming?
Casper experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are warm, while winters are cold and bring very snowy conditions. The area is dry overall, with precipitation spread relatively evenly throughout the year, though spring tends to be wetter and winter is the driest season.
Casper weather averages
Annual high59ºF
Annual low31ºF
Precipitation12.52 inch
Snowfall75 inch
Daily normals Casper - Wyoming - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 34.1 | 14.4 | 0.02 | 0.02 | 0.30 | 0.30 |
| Jan 2 | 34.2 | 14.5 | 0.03 | 0.03 | 0.60 | 0.60 |
| Jan 3 | 34.3 | 14.5 | 0.05 | 0.05 | 0.90 | 0.90 |
| Jan 4 | 34.5 | 14.6 | 0.07 | 0.07 | 1.20 | 1.20 |
| Jan 5 | 34.6 | 14.7 | 0.08 | 0.08 | 1.50 | 1.50 |
| Jan 6 | 34.7 | 14.8 | 0.10 | 0.10 | 1.80 | 1.80 |
| Jan 7 | 34.8 | 14.9 | 0.12 | 0.12 | 2.10 | 2.10 |
| Jan 8 | 34.9 | 14.9 | 0.13 | 0.13 | 2.40 | 2.40 |
| Jan 9 | 35.0 | 15.0 | 0.15 | 0.15 | 2.70 | 2.70 |
| Jan 10 | 35.1 | 15.1 | 0.16 | 0.16 | 2.90 | 2.90 |
| Jan 11 | 35.2 | 15.1 | 0.18 | 0.18 | 3.20 | 3.20 |
| Jan 12 | 35.2 | 15.2 | 0.20 | 0.20 | 3.50 | 3.50 |
| Jan 13 | 35.3 | 15.2 | 0.21 | 0.21 | 3.70 | 3.70 |
| Jan 14 | 35.4 | 15.2 | 0.23 | 0.23 | 4.00 | 4.00 |
| Jan 15 | 35.4 | 15.3 | 0.24 | 0.24 | 4.30 | 4.30 |
| Jan 16 | 35.5 | 15.3 | 0.26 | 0.26 | 4.60 | 4.60 |
| Jan 17 | 35.5 | 15.3 | 0.27 | 0.27 | 4.80 | 4.80 |
| Jan 18 | 35.5 | 15.3 | 0.29 | 0.29 | 5.10 | 5.10 |
| Jan 19 | 35.5 | 15.3 | 0.30 | 0.30 | 5.40 | 5.40 |
| Jan 20 | 35.6 | 15.3 | 0.32 | 0.32 | 5.70 | 5.70 |
| Jan 21 | 35.6 | 15.2 | 0.33 | 0.33 | 6.00 | 6.00 |
| Jan 22 | 35.6 | 15.2 | 0.35 | 0.35 | 6.30 | 6.30 |
| Jan 23 | 35.6 | 15.2 | 0.36 | 0.36 | 6.60 | 6.60 |
| Jan 24 | 35.6 | 15.1 | 0.38 | 0.38 | 6.90 | 6.90 |
| Jan 25 | 35.6 | 15.1 | 0.40 | 0.40 | 7.20 | 7.20 |
| Jan 26 | 35.6 | 15.0 | 0.41 | 0.41 | 7.50 | 7.50 |
| Jan 27 | 35.5 | 15.0 | 0.43 | 0.43 | 7.80 | 7.80 |
| Jan 28 | 35.5 | 14.9 | 0.44 | 0.44 | 8.10 | 8.10 |
| Jan 29 | 35.5 | 14.9 | 0.46 | 0.46 | 8.40 | 8.40 |
| Jan 30 | 35.5 | 14.8 | 0.47 | 0.47 | 8.70 | 8.70 |
| Jan 31 | 35.6 | 14.7 | 0.49 | 0.49 | 9.00 | 9.00 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Casper - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 71.1 | 37.0 | 0.00 |
| Oct 2 | 82.9 | 36.0 | 0.00 |
| Oct 3 | 72.0 | 42.1 | 0.00 |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | 81.0 | 36.0 | 0.00 |
| Oct 8 | 82.0 | 41.0 | 0.00 |
| Oct 9 | 82.0 | 39.0 | 0.00 |
| Oct 10 | 79.0 | 54.0 | 0.02 |
| Oct 11 | 66.9 | 43.0 | 0.02 |
| Oct 12 | 61.0 | 39.9 | 0.11 |
| Oct 13 | 57.0 | 39.9 | 0.07 |
| Oct 14 | 48.0 | 41.0 | 0.61 |
| Oct 15 | 52.0 | 28.0 | 0.01 |
| Oct 16 | 60.1 | 25.0 | 0.00 |
| Oct 17 | – | – | – |
| Oct 18 | 70.0 | 43.0 | 0.00 |
| Oct 19 | – | – | – |
| Oct 20 | – | – | – |
| Oct 21 | 72.0 | 33.1 | 0.00 |
| Oct 22 | 70.0 | 45.0 | 0.00 |
| Oct 23 | 66.0 | 39.0 | 0.00 |
| Oct 24 | 46.0 | 28.0 | 0.00 |
| Oct 25 | 54.0 | 24.1 | 0.00 |
| Oct 26 | 61.0 | 37.0 | 0.00 |
| Oct 27 | 60.1 | 43.0 | T |
| Oct 28 | 57.9 | 35.1 | T |
| Oct 29 | – | – | – |
| Oct 30 | – | – | – |
| Oct 31 | – | – | – |
The data for October 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature82.9ºF · Oct 2
- Lowest max temperature46.0ºF · Oct 24
- Highest min temperature54.0ºF · Oct 10
- Lowest min temperature24.1ºF · Oct 25
Geo Casper - Wyoming
Location
- Country
- United States
- State
- Wyoming
- County
- Natrona
- City
- Casper
- Zip Code
- 82601
- Elevation
- 5105 ft
- Longitude
- -106.31
- Latitude
- 42.87
- ICAO
- –
- IATA
- –