May
Weather in Idaho for May 2025
Your guide to Idaho weather in May - trends and predictions
With an average of 2 snowy days, Idaho usually enjoys a light touch of snow in May.
In general, the average temperature in Idaho at the beginning of May is 11.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.6 °F by the end of May.
Idaho experiences moderate rainfall in May, with an average of 6 rainy days and a total precipitation of 54.7 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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23
Dry days
6
Rainy days
2
Snow days
16°/7°
Temperatures
20 km/h
Avg max wind
51 %
Avg humidity
Idaho in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  11° | 2  13° | 3  16° | 4 18° | |||
| 5  7° | 6  8° | 7 9° | 8  12° | 9 16° | 10  18° | 11 21° |
| 12 23° | 13 22° | 14 18° | 15 20° | 16 25° | 17 16° | 18 17° |
| 19 12° | 20  16° | 21 16° | 22  14° | 23 13° | 24 19° | 25 17° |
| 26 17° | 27 23° | 28 25° | 29 15° | 30 14° | 31 19° |
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Temperatures trend during May in Idaho
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 | Patchy rain possible | 11° /1° | 0.4 mm | 0.1 cm | |
| May 2 | Patchy light drizzle | 13° /6° | 0.3 mm | 0 cm | |
| May 3 | Sunny | 16° /3° | 0 mm | 0 cm | |
| May 4 | Light drizzle | 18° /8° | 4.6 mm | 0 cm | |
| May 5 | Moderate or heavy snow showers | 7° /2° | 17.4 mm | 1 cm | |
| May 6 | Patchy light rain with thunder | 8° /4° | 6.8 mm | 0 cm | |
| May 7 | Moderate or heavy snow showers | 9° /2° | 2 mm | 0.9 cm | |
| May 8 | Overcast | 12° /3° | 0 mm | 0 cm | |
| May 9 | Sunny | 16° /4° | 0 mm | 0 cm | |
| May 10 | Partly cloudy | 18° /11° | 0 mm | 0 cm | |
| May 11 | Sunny | 21° /12° | 0 mm | 0 cm | |
| May 12 | Sunny | 23° /14° | 0 mm | 0 cm | |
| May 13 | Partly cloudy | 22° /14° | 0 mm | 0 cm | |
| May 14 | Sunny | 18° /10° | 0 mm | 0 cm | |
| May 15 | Sunny | 20° /10° | 0 mm | 0 cm | |
| May 16 | Sunny | 25° /13° | 0 mm | 0 cm | |
| May 17 | Sunny | 16° /9° | 0 mm | 0 cm | |
| May 18 | Partly cloudy | 17° /5° | 0 mm | 0 cm | |
| May 19 | Sunny | 12° /5° | 0 mm | 0 cm | |
| May 20 | Thundery outbreaks possible | 16° /4° | 0 mm | 0 cm | |
| May 21 | Partly cloudy | 16° /5° | 1.5 mm | 0 cm | |
| May 22 | Moderate or heavy rain with thunder | 14° /5° | 16.8 mm | 0 cm | |
| May 23 | Patchy rain possible | 13° /3° | 0 mm | 0 cm | |
| May 24 | Overcast | 19° /8° | 0 mm | 0 cm | |
| May 25 | Patchy rain possible | 17° /8° | 1.4 mm | 0 cm | |
| May 26 | Sunny | 17° /6° | 0 mm | 0 cm | |
| May 27 | Overcast | 23° /11° | 0 mm | 0 cm | |
| May 28 | Patchy light rain with thunder | 25° /15° | 2.6 mm | 0 cm | |
| May 29 | Partly cloudy | 15° /10° | 0.8 mm | 0 cm | |
| May 30 | Sunny | 14° /5° | 0 mm | 0 cm | |
| May 31 | Sunny | 19° /9° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Idaho 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 Idaho forecast closer to your planned date for the most up-to-date weather information.
Idaho in May - FAQ
What are the expected maximum and minimum temperatures in Idaho during May?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Idaho during May?
Moderate rainfall is anticipated in Idaho during May, with a total of 54.7 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
Will it snow in Idaho in May 2025?
Idaho experiences an average snowfall of 1.89 cm during May, occurring over 2 days.
What are the typical wind conditions in Idaho during May?
The average wind speed in Idaho during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
Idaho snow forecast May 2025
Track daily snowfall levels and discover Idaho’s snowy potential this May ❄️
May rainfall patterns in Idaho
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UV exposure in Idaho during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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