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Weather in Idaho for May 2027

Your guide to Idaho weather in May - trends and predictions

    Rain 🌧️

  • Idaho experiences moderate rainfall in May, with an average of 8 rainy days and a total precipitation of 45 mm.

  • More

  • Is May a good time to visit Idaho? check out the best time to travel to Idaho page.

  • ✨ Is May a good time to visit Idaho? – Ask the AI Weatherman

Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/7°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
62 %
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

Click on a date for more information
Date Weather Temperatures Rain UV More
May 1 Sunny
Sunny
22° /5° 0 mm 7
May 2 Sunny
Sunny
25° /7° 0 mm 7
May 3 Overcast
Overcast
21° /8° 0 mm 6
May 4 Overcast
Overcast
19° /6° 0 mm 5
May 5 Sunny
Sunny
20° /5° 0 mm 6
May 6 Sunny
Sunny
22° /5° 0 mm 7
May 7 Sunny
Sunny
22° /7° 0 mm 7
May 8 Patchy rain possible
Patchy rain possible
18° /8° 1.3 mm 7
May 9 Overcast
Overcast
22° /5° 0 mm 6
May 10 Overcast
Overcast
22° /8° 0 mm 7
May 11 Light rain
Light rain
19° /7° 4.9 mm 6
May 12 Patchy rain possible
Patchy rain possible
20° /5° 0.9 mm 6
May 13 Light rain
Light rain
17° /7° 3.3 mm 4
May 14 Patchy rain possible
Patchy rain possible
15° /6° 0.3 mm 6
May 15 Light rain
Light rain
14° /5° 5.2 mm 5
May 16 Heavy rain at times
Heavy rain at times
10° /4° 6.1 mm 3
May 17 Overcast
Overcast
15° /4° 0.5 mm 4
May 18 Light rain
Light rain
14° /4° 2.9 mm 5
May 19 Patchy rain possible
Patchy rain possible
14° /4° 1 mm 6
May 20 Patchy rain possible
Patchy rain possible
16° /6° 1.6 mm 6
May 21 Patchy rain possible
Patchy rain possible
13° /5° 0.2 mm 3
May 22 Overcast
Overcast
18° /7° 0.1 mm 6
May 23 Overcast
Overcast
20° /7° 0 mm 6
May 24 Sunny
Sunny
22° /8° 0 mm 7
May 25 Light rain
Light rain
26° /11° 3.5 mm 8
May 26 Light rain
Light rain
18° /10° 5.3 mm 4
May 27 Partly cloudy
Partly cloudy
22° /9° 0.2 mm 7
May 28 Light rain
Light rain
29° /12° 7.4 mm 8
May 29 Overcast
Overcast
22° /13° 0.1 mm 7
May 30 Sunny
Sunny
21° /10° 0.1 mm 8
May 31 Overcast
Overcast
25° /11° 0 mm 8
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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 19° 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?

In May, Idaho can expect light to moderate rainfall, totaling 45 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Idaho during May?

The average wind speed in Idaho during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Idaho

Explore the daily rainfall trends and prepare for Idahos May weather 💧
Typically, Idaho has 8 rainy days in May with a total of 45 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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Top locations in Idaho
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Quick links
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