Cheyenne Weather in May
Thinking of visiting Cheyenne in May? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 4°C (39°F) at night, and be prepared for the wettest month of the year.
Rainfall in Cheyenne in May
With the most rainfall occurring this month, it's practical to keep an umbrella handy for sudden downpours. Historically, May sees about 15 days of rain, with a monthly average of 68 mm (2.7 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Cheyenne in May
May in Cheyenne brings typical temperatures with highs around 17°C (63°F) and lows of 4°C (39°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Cheyenne in May
With approximately 290 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you prefer dry days with pleasant temperatures, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Cheyenne's climate page.
Cheyenne Temperature in May
Min Temperature
4°C (39°F)
Max Temperature
17°C (63°F)
Chance of Rain
49%
Precipitation
68 mm (2.7 in)
Rainy days
15 days
Humidity
56%
Sunshine
290 hours
Percentage Sunshine
65%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cheyenne typically rise from around 15°C (59°F) at the start of May to approximately 20°C (68°F) by the end. Nights are cold, with lows typically ranging from 1°C (34°F) to 7°C (45°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Cheyenne in May
Browse day-by-day weather records for Cheyenne spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cheyenne historical weather extremes in May
Our historical data for Cheyenne spans 1976 to 2026, revealing these weather extremes.
- On May 29, 2003, temperatures climbed to 32°C (90°F), marking the warmest May day on record.
- Cheyenne registered its coldest May night on May 2, 2013, with temperatures dropping to -13°C (9°F).
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Cheyenne in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Cheyenne in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Cheyenne's climate page.
Temperature Rainfall Sunshine Humidity
See the full Cheyenne climate overview or explore weather in the United States of America.
