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Weather in Twin Falls County, Idaho for May 2026

Your guide to Twin Falls County weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Twin Falls County at the beginning of May is 20.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 28.9 °F by the end of May.

  • Rain 🌧️

  • Twin Falls County experiences moderate rainfall in May, with an average of 10 rainy days and a total precipitation of 18.8 mm.

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Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
22°/7°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
52 %
Avg humidity

Twin Falls County Weather May

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Temperatures trend during May in Twin Falls County

See the weather trend as well as the moving average line

May weather in Twin Falls County day by day

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Date Weather Temperatures Rain UV More
May 1 Sunny
Sunny
22° /5° 0 mm 9
May 2 Partly cloudy
Partly cloudy
26° /4° 0 mm 9
May 3 Partly cloudy
Partly cloudy
27° /9° 0 mm 9
May 4 Overcast
Overcast
15° /7° 0 mm 6
May 5 Overcast
Overcast
13° /4° 0.8 mm 4
May 6 Moderate rain at times
Moderate rain at times
16° /6° 1 mm 7
May 7 Sunny
Sunny
22° /4° 0 mm 9
May 8 Sunny
Sunny
26° /9° 0 mm 9
May 9 Sunny
Sunny
30° /9° 0 mm 10
May 10 Moderate rain at times
Moderate rain at times
31° /14° 0.7 mm 10
May 11 Heavy rain at times
Heavy rain at times
26° /14° 2.4 mm 6
May 12 Overcast
Overcast
20° /8° 1.3 mm 8
May 13 Patchy rain possible
Patchy rain possible
12° /6° 2.1 mm 2
May 14 Moderate rain at times
Moderate rain at times
17° /4° 4.5 mm 7
May 15 Sunny
Sunny
14° /4° 0 mm 10
May 16 Patchy rain possible
Patchy rain possible
17° /7° 0.2 mm 7
May 17 Heavy rain at times
Heavy rain at times
15° /4° 5.1 mm 2
May 18 Patchy rain possible
Patchy rain possible
11° /5° 0.4 mm 3
May 19 Overcast
Overcast
17° /2° 0 mm 10
May 20 Patchy rain possible
Patchy rain possible
17° /6° 0.3 mm 10
May 21 Sunny
Sunny
19° /4° 0 mm 10
May 22 Cloudy
Cloudy
23° /7° 0 mm 11
May 23 Cloudy
Cloudy
22° /7° 0 mm 10
May 24 Sunny
Sunny
26° /9° 0 mm 10
May 25 Sunny
Sunny
27° /7° 0 mm 10
May 26 Overcast
Overcast
25° /7° 0 mm 11
May 27 Partly cloudy
Partly cloudy
25° /10° 0 mm 11
May 28 Cloudy
Cloudy
29° /8° 0 mm 11
May 29 Partly cloudy
Partly cloudy
33° /10° 0 mm 11
May 30 Sunny
Sunny
29° /13° 0 mm 11
May 31 Sunny
Sunny
34° /9° 0 mm 11
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Important Notice
Our weather forecast for Twin Falls County 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 Twin Falls County forecast closer to your planned date for the most up-to-date weather information.

Twin Falls County in May - FAQ

What are the expected maximum and minimum temperatures in Twin Falls County during May?

Enjoy moderate daytime temperatures of up to 22° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Twin Falls County during May?

Expect minimal rainfall in Twin Falls County during May, with a total of 18.8 mm over approximately 10 days. This minimal precipitation is unlikely to significantly impact plans.

What are the typical wind conditions in Twin Falls County during May?

The average wind speed in Twin Falls County during May is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Twin Falls County

Explore the daily rainfall trends and prepare for Twin Falls Countys May weather 💧
Typically, Twin Falls County has 10 rainy days in May with a total of 18.8 mm of rainfall.

UV exposure in Twin Falls County during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Twin Falls County?

Get accurate weather forecasts for Twin Falls County, located at latitude 42.563 and longitude -114.461. Stay updated with localized weather information tailored for Twin Falls County.

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