Idaho (Boise)
May
Weather in Idaho for May 2027
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 19.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 24 °C by the end of May.
Idaho experiences moderate rainfall in May, with an average of 6 rainy days and a total precipitation of 46.4 mm.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
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23
Dry days
6
Rainy days
2
Snow days
21°/8°
Temperatures
20 km/h
Avg max wind
47 %
Avg humidity
Idaho Weather May
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What’s the Weather Like in Idaho This May?
Discover the average temperatures and weather trends across Idaho’s cities this May.
Temperatures trend during May in Idaho
See the weather trend as well as the moving average line
May weather in Idaho day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| May 1 |  Patchy rain possible | 18° /3° | 0.1 mm | 0 cm | |
| May 2 |  Patchy light drizzle | 22° /7° | 0.1 mm | 0 cm | |
| May 3 |  Sunny | 21° /6° | 0 mm | 0 cm | |
| May 4 | Light drizzle | 19° /7° | 8.1 mm | 0 cm | |
| May 5 | Sunny | 18° /4° | 5.8 mm | 0.3 cm | |
| May 6 |  Patchy light rain with thunder | 17° /6° | 2.3 mm | 0 cm | |
| May 7 | Sunny | 19° /7° | 0.7 mm | 0.3 cm | |
| May 8 |  Overcast | 21° /7° | 0 mm | 0 cm | |
| May 9 | Sunny | 23° /7° | 0 mm | 0 cm | |
| May 10 |  Partly cloudy | 26° /11° | 0 mm | 0 cm | |
| May 11 | Sunny | 25° /11° | 0 mm | 0 cm | |
| May 12 | Sunny | 25° /11° | 0 mm | 0 cm | |
| May 13 | Partly cloudy | 21° /9° | 0.5 mm | 0 cm | |
| May 14 | Sunny | 19° /7° | 0 mm | 0 cm | |
| May 15 | Partly cloudy | 18° /7° | 0 mm | 0 cm | |
| May 16 | Overcast | 19° /9° | 0 mm | 0 cm | |
| May 17 | Sunny | 14° /6° | 9.8 mm | 0 cm | |
| May 18 | Partly cloudy | 15° /3° | 10.2 mm | 0 cm | |
| May 19 | Sunny | 17° /3° | 0 mm | 0 cm | |
| May 20 | Sunny | 19° /6° | 0 mm | 0 cm | |
| May 21 | Partly cloudy | 18° /5° | 0.7 mm | 0 cm | |
| May 22 |  Moderate or heavy rain with thunder | 21° /8° | 5.6 mm | 0 cm | |
| May 23 | Sunny | 22° /7° | 0 mm | 0 cm | |
| May 24 | Sunny | 25° /10° | 0 mm | 0 cm | |
| May 25 | Patchy rain possible | 25° /11° | 0.5 mm | 0 cm | |
| May 26 | Sunny | 21° /10° | 2.8 mm | 0 cm | |
| May 27 | Overcast | 24° /9° | 1.2 mm | 0 cm | |
| May 28 | Patchy light rain with thunder | 27° /13° | 0.9 mm | 0 cm | |
| May 29 | Partly cloudy | 23° /11° | 0.3 mm | 0 cm | |
| May 30 | Sunny | 22° /8° | 0 mm | 0 cm | |
| May 31 | Sunny | 26° /10° | 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.
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Idaho in May - FAQ
What are the expected maximum and minimum temperatures in Idaho during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Idaho during May?
In May, Idaho can expect light to moderate rainfall, totaling 46.4 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Idaho in May 2027?
Idaho experiences an average snowfall of 0.63 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 2027
Track daily snowfall levels and discover Idaho’s snowy potential this May ❄️
On average, Idaho sees 2 snowy days during May, with approximately 0.6 cm of total snowfall.
May rainfall patterns in Idaho
Explore the daily rainfall trends and prepare for Idahos May weather 💧
Typically, Idaho has 6 rainy days in May with a total of 46.4 mm of rainfall.
UV exposure in Idaho during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Counties in Idaho
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Where is Idaho?Get accurate weather forecasts for Idaho, located at latitude 43.614 and longitude -116.203. Stay updated with localized weather information tailored for Idaho.
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