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Weather in Summit County, Utah for May 2026

Your guide to Summit County weather in May - trends and predictions

    Snow Forecast ❄️

  • Summit County typically experiences moderate snowfall in May, with an average of 9 snowy days.

    • Temperatures

  • In general, the average temperature in Summit County at the beginning of May is 10.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 19 °F by the end of May.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
16
Dry days
Average rainy days
6
Rainy days
Average snowy days
9
Snow days
Average temperatures
11°/1°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Summit County Weather May

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

Temperatures trend during May in Summit County

See the weather trend as well as the moving average line

May weather in Summit County day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
May 1 Sunny
Sunny
 10° /-2° 0.1 mm 0.1 cm
May 2 Partly cloudy
Partly cloudy
 13° /-2° 0 mm 0 cm
May 3 Moderate or heavy snow showers
Moderate or heavy snow showers
 14° /0° 1.4 mm 1 cm
May 4 Patchy rain possible
Patchy rain possible
 14° /0° 3.3 mm 0 cm
May 5 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 8° /-2° 39.5 mm 17 cm
May 6 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 5° /-2° 5.2 mm 3.2 cm
May 7 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 7° /-2° 7.6 mm 5.4 cm
May 8 Light snow showers
Light snow showers
 10° /-3° 1 mm 0.7 cm
May 9 Patchy light rain with thunder
Patchy light rain with thunder
 14° /-1° 1.2 mm 0 cm
May 10 Patchy light rain with thunder
Patchy light rain with thunder
 16° /0° 1.8 mm 0 cm
May 11 Moderate rain at times
Moderate rain at times
 17° /3° 0.7 mm 0 cm
May 12 Patchy rain possible
Patchy rain possible
 18° /4° 0.3 mm 0 cm
May 13 Sunny
Sunny
 17° /4° 0 mm 0 cm
May 14 Patchy rain possible
Patchy rain possible
 9° /2° 0.1 mm 0 cm
May 15 Patchy light rain with thunder
Patchy light rain with thunder
 11° /2° 0.8 mm 0 cm
May 16 Sunny
Sunny
 14° /2° 1.9 mm 0 cm
May 17 Sunny
Sunny
 16° /4° 0 mm 0 cm
May 18 Patchy rain possible
Patchy rain possible
 11° /0° 35.5 mm 21.1 cm
May 19 Patchy rain possible
Patchy rain possible
 11° /0° 0.6 mm 0 cm
May 20 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 10° /-2° 4.3 mm 2.2 cm
May 21 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 12° /0° 1.8 mm 1.1 cm
May 22 Patchy rain possible
Patchy rain possible
 18° /1° 0 mm 0 cm
May 23 Patchy light snow
Patchy light snow
 14° /1° 0.1 mm 0 cm
May 24 Thundery outbreaks possible
Thundery outbreaks possible
 15° /1° 0.3 mm 0 cm
May 25 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 14° /3° 6.9 mm 1.7 cm
May 26 Sunny
Sunny
 17° /1° 0 mm 0 cm
May 27 Sunny
Sunny
 20° /4° 0 mm 0 cm
May 28 Thundery outbreaks possible
Thundery outbreaks possible
 20° /6° 0 mm 0 cm
May 29 Patchy light rain with thunder
Patchy light rain with thunder
 21° /6° 1 mm 0 cm
May 30 Sunny
Sunny
 19° /5° 0 mm 0 cm
May 31 Partly cloudy
Partly cloudy
 22° /5° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Summit 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 Summit County forecast closer to your planned date for the most up-to-date weather information.
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Summit County in May - FAQ

What are the expected maximum and minimum temperatures in Summit County during May?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 1°.
How much rainfall should be expected in Summit County during May?
Moderate rainfall is anticipated in Summit County during May, with a total of 95.9 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
Will it snow in Summit County in May 2026?
Summit County experiences an average snowfall of 48.02 cm during May, occurring over 9 days.
What are the typical wind conditions in Summit County during May?
The average wind speed in Summit County during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

Summit County snow forecast May 2026

Track daily snowfall levels and discover Summit County’s snowy potential this May ❄️

May rainfall patterns in Summit County

Explore the daily rainfall trends and prepare for Summit Countys May weather 💧

UV exposure in Summit County during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Top locations in Summit County
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AkronBreckenridgePark City
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Location coordinates Where is Summit County?

Get accurate weather forecasts for Summit County, located at latitude 40.646 and longitude -111.498. Stay updated with localized weather information tailored for Summit County.

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