Wyoming (Yellowstone National Park)
May
Weather in Wyoming for May 2025
Your guide to Wyoming weather in May - trends and predictions
Expect heavy snowfall in Wyoming during May, with an average of 18 snowy days.
In general, the average temperature in Wyoming at the beginning of May is 2.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 8.9 °F by the end of May.
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Snow Forecast ❄️
Temperatures
More
10
Dry days
3
Rainy days
18
Snow days
7°/-3°
Temperatures
23 km/h
Avg max wind
74 %
Avg humidity
Wyoming Weather May
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  -1° | 2  0° | 3 2° | ||||
| 4  8° | 5  8° | 6 0° | 7 0° | 8 2° | 9  6° | 10  9° |
| 11  12° | 12 14° | 13 12° | 14 7° | 15 9° | 16  12° | 17 10° |
| 18  8° | 19  6° | 20 7° | 21 4° | 22 3° | 23 1° | 24  6° |
| 25 4° | 26 5° | 27 11° | 28 15° | 29 10° | 30 6° | 31 11° |
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Temperatures trend during May in Wyoming
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| May 1 | Moderate or heavy snow with thunder | -1° /-7° | 8.5 mm | 5.8 cm | |
| May 2 | Moderate or heavy snow showers | 0° /-11° | 2.2 mm | 1.4 cm | |
| May 3 | Moderate or heavy snow showers | 2° /-9° | 1.7 mm | 0.8 cm | |
| May 4 | Overcast | 8° /-7° | 0 mm | 0 cm | |
| May 5 | Patchy light rain with thunder | 8° /-3° | 7.3 mm | 1.8 cm | |
| May 6 | Moderate or heavy snow with thunder | 0° /-5° | 7.8 mm | 2.7 cm | |
| May 7 | Moderate or heavy snow showers | 0° /-5° | 3 mm | 1.1 cm | |
| May 8 | Moderate or heavy snow with thunder | 2° /-4° | 7 mm | 5 cm | |
| May 9 | Patchy moderate snow | 6° /-5° | 0.5 mm | 0.2 cm | |
| May 10 | Mist | 9° /-5° | 0 mm | 0 cm | |
| May 11 | Patchy rain possible | 12° /-2° | 0.9 mm | 0 cm | |
| May 12 | Patchy rain possible | 14° /0° | 4.4 mm | 0.2 cm | |
| May 13 | Patchy light rain with thunder | 12° /2° | 5.3 mm | 0.5 cm | |
| May 14 | Moderate or heavy snow with thunder | 7° /1° | 14.6 mm | 6.7 cm | |
| May 15 | Patchy light rain with thunder | 9° /-1° | 2.3 mm | 0 cm | |
| May 16 | Partly cloudy | 12° /-1° | 0 mm | 0 cm | |
| May 17 | Patchy rain possible | 10° /-1° | 0.9 mm | 0 cm | |
| May 18 | Sunny | 8° /-4° | 0 mm | 0 cm | |
| May 19 | Light freezing rain | 6° /-1° | 0.8 mm | 0.5 cm | |
| May 20 | Overcast | 7° /-2° | 0 mm | 0 cm | |
| May 21 | Moderate or heavy snow with thunder | 4° /-4° | 18.3 mm | 12.5 cm | |
| May 22 | Moderate or heavy snow with thunder | 3° /-5° | 5.8 mm | 3.5 cm | |
| May 23 | Moderate or heavy snow with thunder | 1° /-4° | 5.9 mm | 4.3 cm | |
| May 24 | Patchy light snow with thunder | 6° /-5° | 0.7 mm | 0 cm | |
| May 25 | Moderate or heavy snow with thunder | 4° /-3° | 5.5 mm | 1.8 cm | |
| May 26 | Patchy light snow with thunder | 5° /-2° | 4 mm | 1.8 cm | |
| May 27 | Mist | 11° /-4° | 0 mm | 0 cm | |
| May 28 | Partly cloudy | 15° /0° | 0.8 mm | 0 cm | |
| May 29 | Patchy light rain with thunder | 10° /2° | 4.4 mm | 0 cm | |
| May 30 | Patchy moderate snow | 6° /-1° | 1.2 mm | 0.4 cm | |
| May 31 | Sunny | 11° /-3° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Wyoming in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Wyoming forecast closer to your planned date for the most up-to-date weather information.
Wyoming in May - FAQ
What are the expected maximum and minimum temperatures in Wyoming during May?
Prepare for cooler days with highs just around 7° and colder nights, dipping below -3°.
How much rainfall should be expected in Wyoming during May?
Significant rainfall exceeding 113.9 mm is expected in Wyoming during May, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Wyoming in May 2025?
Wyoming experiences an average snowfall of 50.8 cm during May, occurring over 18 days.
What are the typical wind conditions in Wyoming during May?
The average wind speed in Wyoming during May is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
Wyoming snow forecast May 2025
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May rainfall patterns in Wyoming
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