Weather in Yellowstone National Park for May 2025
Expect heavy snowfall in Yellowstone National Park during May, with an average of 18 snowy days.
According to Yellowstone National Park snow forecast for May 2025, no snow is expected at the beginning of the month.Expect cooler weather in first days of May 2025 in Yellowstone National Park with the forecast suggesting a temperature of 10.8 °F, lower than the historical average.
In general, the average temperature in Yellowstone National Park at the beginning of May is 11.6 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 8.9 °F by the end of May.
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Yellowstone National Park Weather May
Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
---|---|---|---|---|---|---|
1 10° | 2 13° | 3 11° | ||||
4 11° | 5 8° | 6 11° | 7 17° | 8 20° | 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 Yellowstone National Park
May weather day by day
Date | Weather | Temperatures | Rain | Snow | More |
---|---|---|---|---|---|
May 1 | Sunny | 10° /-6° | 0 mm | 0 cm | |
May 2 | Sunny | 13° /-2° | 0 mm | 0 cm | |
May 3 | Patchy rain possible | 11° /1° | 1.6 mm | 0 cm | |
May 4 | Patchy rain possible | 11° /1° | 1.8 mm | 0 cm | |
May 5 | Patchy rain possible | 8° /0° | 0.9 mm | 0 cm | |
May 6 | Sunny | 11° /-5° | 0 mm | 0 cm | |
May 7 | Sunny | 17° /0° | 0 mm | 0 cm | |
May 8 | Patchy rain possible | 20° /4° | 0.3 mm | 0 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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Yellowstone National Park in May - FAQ
Yellowstone National Park snow forecast May 2025
May rainfall patterns in Yellowstone National Park
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Get accurate weather forecasts for Yellowstone National Park, located at latitude 44.428 and longitude -110.588. Stay updated with localized weather information tailored for Yellowstone National Park.