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Idaho (Coeur d'Alene)
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United States weather

Weather in Idaho for May 2027

Your guide to Idaho weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Idaho at the beginning of May is 21.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 23.3 °C by the end of May.

    • Rain 🌧️

  • The climate of Idaho in May is notably wet, with an average of 11 rainy days, and a total of 45 mm of precipitation.

    • More

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Average dry days
20
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/7°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
61 %
Avg humidity

Idaho Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
22°
2
Sunny
25°
3
Overcast
21°
4
Overcast
19°
5
Sunny
20°
6
Sunny
22°
7
Sunny
22°
8
Partly cloudy
18°
9
Overcast
22°
10
Overcast
22°
11
Moderate or heavy rain shower
19°
12
Patchy rain possible
20°
13
Patchy rain possible
17°
14
Patchy rain possible
15°
15
Patchy rain possible
14°
16
Heavy rain at times
10°
17
Overcast
15°
18
Patchy rain possible
14°
19
Moderate rain at times
14°
20
Patchy rain possible
16°
21
Patchy rain possible
13°
22
Overcast
18°
23
Overcast
20°
24
Sunny
22°
25
Sunny
26°
26
Overcast
18°
27
Partly cloudy
22°
28
Sunny
29°
29
Overcast
22°
30
Sunny
21°
31
Overcast
25°

What’s the Weather Like in Idaho This May?

Discover the average temperatures and weather trends across Idaho’s cities this May.
Patchy rain possibleCoeur d'Alene19 °C / 7 °CSunnyBoise21 °C / 8 °CPatchy rain possibleIdaho Falls20 °C / 5 °CPatchy rain possibleSandpoint18 °C / 7 °CCloudyLewiston21 °C / 8 °CSunnyTwin Falls23 °C / 8 °CSunnyMeridian24 °C / 9 °CMore Locations

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
April June
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° /7° 0 mm 6
May 4 Overcast
Overcast
 19° /5° 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 Partly cloudy
Partly cloudy
 18° /7° 1.3 mm 7
May 9 Overcast
Overcast
 22° /4° 0 mm 6
May 10 Overcast
Overcast
 22° /7° 0 mm 7
May 11 Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /6° 4.9 mm 6
May 12 Patchy rain possible
Patchy rain possible
 20° /5° 0.9 mm 6
May 13 Patchy rain possible
Patchy rain possible
 17° /7° 3.3 mm 4
May 14 Patchy rain possible
Patchy rain possible
 15° /5° 0.3 mm 6
May 15 Patchy rain possible
Patchy rain possible
 14° /5° 5.2 mm 5
May 16 Heavy rain at times
Heavy rain at times
 10° /3° 6.1 mm 3
May 17 Overcast
Overcast
 15° /4° 0.5 mm 4
May 18 Patchy rain possible
Patchy rain possible
 14° /3° 2.9 mm 5
May 19 Moderate rain at times
Moderate rain at times
 14° /3° 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° /6° 0 mm 6
May 24 Sunny
Sunny
 22° /8° 0 mm 7
May 25 Sunny
Sunny
 26° /10° 3.5 mm 8
May 26 Overcast
Overcast
 18° /9° 5.3 mm 4
May 27 Partly cloudy
Partly cloudy
 22° /9° 0.2 mm 7
May 28 Sunny
Sunny
 29° /11° 7.4 mm 8
May 29 Overcast
Overcast
 22° /12° 0.1 mm 7
May 30 Sunny
Sunny
 21° /9° 0.1 mm 8
May 31 Overcast
Overcast
 25° /10° 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.
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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 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 11 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 11 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
Select a county for an accurate weather forecast
Ada CountyBonner CountyBonneville CountyKootenai CountyNez Perce CountyTwin Falls County
Top locations in Idaho
Select a location for an accurate weather forecast
BoiseCoeur d'AleneIdaho FallsLewistonMeridianSandpointTwin Falls
More Locations

Quick links

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Location coordinates Where is Idaho?

Get accurate weather forecasts for Idaho, located at latitude 47.678 and longitude -116.78. Stay updated with localized weather information tailored for Idaho.

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