Climate of Wyoming, USA
Area-weighted average across Wyoming. For where people actually live and travel, see the cities below.
Wyoming, a subdivision of United States of America, has a strongly continental climate on average. Area-weighted monthly temperatures across the whole territory range from -6.9°C / 19.6°F in January to 18.3°C / 64.9°F in July, with rainfall from 17 mm / 0.7 in to 51 mm / 2 in depending on the season (345 mm / 13.6 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -6.9°C19.6°F | 19 mm0.7″ | — |
| February | -4.8°C23.4°F | 17 mm0.7″ | — |
| March | -0.8°C30.6°F | 23 mm0.9″ | Snowy |
| April | 3.6°C38.5°F | 35 mm1.4″ | — |
| May | 8.8°C47.8°F | 51 mm2″ | — |
| June | 14.1°C57.4°F | 45 mm1.8″ | Sunny & Mild |
| July | 18.3°C64.9°F | 32 mm1.3″ | Sunny & Mild |
| August | 17.6°C63.7°F | 27 mm1.1″ | Sunny & Mild |
| September | 12.5°C54.5°F | 31 mm1.2″ | — |
| October | 6.3°C43.3°F | 25 mm1″ | — |
| November | -1.2°C29.8°F | 21 mm0.8″ | Snowy |
| December | -6°C21.2°F | 19 mm0.7″ | — |
Frequently asked questions
What is the best time to visit Wyoming?
The best months to visit Wyoming, United States of America for sunny, dry weather are June, July, August. The warmest month is July at an area-wide average of 18.3°C / 64.9°F, and the driest is February with about 17 mm / 0.7 in of rainfall.
What is the climate of Wyoming?
Wyoming, United States of America has area-weighted monthly average temperatures ranging from -6.9°C / 19.6°F in January to 18.3°C / 64.9°F in July. Annual rainfall averages about 345 mm / 13.6 in, with the wettest month being May (51 mm / 2 in) and the driest February (17 mm / 0.7 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Wyoming?
The hottest month in Wyoming is July, with an area-wide average temperature of 18.3°C / 64.9°F.
What is the coldest month in Wyoming?
The coldest month in Wyoming is January, with an area-wide average temperature of -6.9°C / 19.6°F.
When does it rain most in Wyoming?
The wettest month in Wyoming is May, averaging about 51 mm / 2 in of rainfall. The driest is February with about 17 mm / 0.7 in.