Current Weather and Forecast in Cheyenne, WY
Wyoming, United States 🇺🇸
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About the weather in Cheyenne
Cheyenne has a semi-arid climate. July is the warmest month, with average highs of 83°, and January the coldest, when nights fall to around 20°. May brings the most rain, on about 16 days, while June is the sunniest, with 12.9 hours of sunshine a day. Over a whole year it rains on roughly 89 days.
Cheyenne climate guide: monthly averages, seasons and the best time to visit
Common questions
Does it snow in Cheyenne?
Yes - about 27 days a year carry measurable snowfall, concentrated October through May.
Which month is coolest in Cheyenne?
January, with highs of 37°F (3°C) and lows near 20°F (-7°C). The coldest day in the 2015-2024 record fell to -26°F (-32°C).
When does it rain most in Cheyenne?
May, at 3.8 inches (97 mm) over about 16 days. January is the driest month, at 17 mm (0.7 in).
When does Cheyenne drop below freezing?
Average overnight lows sit at or below 0°C in 6 months of the year, November through April.
How much do temperatures drop at night in Cheyenne?
By about 12°C on an average day - a wider day-to-night gap than most of the 3496 cities we track. In July that means 83°F (28°C) down to 59°F (15°C).
What is the hottest month in Cheyenne?
July, averaging 83°F (28°C) by day and 59°F (15°C) overnight. The hottest single day in our 2015-2024 record for this location reached 96°F (36°C).
How many rainy days does Cheyenne get in a year?
About 89 days bring measurable precipitation, totalling 17.0 inches (431 mm). That works out at roughly 4.8 mm on an average wet day.
What is the best time to visit Cheyenne?
Aim for June to October if you get the choice: temperatures sit either side of the peak heat rather than in it, and highs average 75°F (24°C) against roughly 7 wet days a month. For the same question asked the other way round, see where else is warm in June.