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Weather in Summit County, Colorado for May 2026

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

    Snow Forecast ❄️

  • Expect heavy snowfall in Summit County during May, with an average of 17 snowy days.
    According to Summit County snow forecast for May 2026, no snow is expected in the next 2 weeks.

    • Temperatures

  • Until now, May 2026 in Summit County has been nearly identical to the historical average, with a temperature of 4.8 °F (showing only a slight deviation of 0.2 °F).

  • The forecast for the coming days of May 2026 predicts a temperature of 15.7 °F , which is warmer than usual.

  • In general, the average temperature in Summit County at the beginning of May is 4.3 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 11.3 °F by the end of May.

    • More

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

Average dry days
10
Dry days
Average rainy days
4
Rainy days
Average snowy days
17
Snow days
Average temperatures
8°/-3°
Temperatures
Average wind speed
22 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
Moderate or heavy snow with thunder
3°
2
Light freezing rain
6°
3
Patchy light snow with thunder
7°
4
Patchy light rain with thunder
8°
5
Patchy rain possible
5°
6
Moderate or heavy snow with thunder
0°
7
Moderate or heavy snow with thunder
1°
8
Patchy light snow
5°
9
Moderate or heavy snow with thunder
6°
10
Patchy light snow with thunder
8°
11
Sunny
14°
12
Sunny
16°
13
Patchy rain possible
17°
14
Patchy rain possible
14°
15
Sunny
15°
16
Sunny
15°
17
Sunny
17°
18
Sunny
15°
19
Sunny
15°
20
Sunny
16°
21
Sunny
15°
22
Sunny
17°
23
Sunny
17°
24
Sunny
17°
25
Moderate or heavy snow showers
8°
26
Patchy moderate snow
7°
27
Sunny
11°
28
Patchy light drizzle
13°
29
Patchy rain possible
12°
30
Sunny
14°
31
Overcast
14°

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 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 3° /-4° 14.3 mm 6.9 cm
May 2 Light freezing rain
Light freezing rain
 6° /-7° 0.1 mm 0 cm
May 3 Patchy light snow with thunder
Patchy light snow with thunder
 7° /-3° 0.6 mm 0.2 cm
May 4 Patchy light rain with thunder
Patchy light rain with thunder
 8° /-3° 4.8 mm 2.1 cm
May 5 Patchy rain possible
Patchy rain possible
 5° /-3° 4.2 mm 0.5 cm
May 6 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 0° /-9° 12.1 mm 6.5 cm
May 7 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 1° /-8° 8.7 mm 5.1 cm
May 8 Patchy light snow
Patchy light snow
 5° /-8° 0.8 mm 0.3 cm
May 9 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 6° /-5° 2.7 mm 1.9 cm
May 10 Patchy light snow with thunder
Patchy light snow with thunder
 8° /-6° 3.7 mm 0.6 cm
May 11 Sunny
Sunny
 14° /0° 0 mm 0 cm
May 12 Sunny
Sunny
 16° /3° 0.1 mm 0 cm
May 13 Patchy rain possible
Patchy rain possible
 17° /5° 0.1 mm 0 cm
May 14 Patchy rain possible
Patchy rain possible
 14° /4° 1.1 mm 0 cm
May 15 Sunny
Sunny
 15° /2° 0 mm 0 cm
May 16 Sunny
Sunny
 15° /-1° 0 mm 0 cm
May 17 Sunny
Sunny
 17° /2° 0 mm 0 cm
May 18 Sunny
Sunny
 15° /6° 0 mm 0 cm
May 19 Sunny
Sunny
 15° /2° 0 mm 0 cm
May 20 Sunny
Sunny
 16° /3° 0 mm 0 cm
May 21 Sunny
Sunny
 15° /2° 0 mm 0 cm
May 22 Sunny
Sunny
 17° /3° 0 mm 0 cm
May 23 Sunny
Sunny
 17° /5° 0 mm 0 cm
May 24 Sunny
Sunny
 17° /5° 0 mm 0 cm
May 25 Moderate or heavy snow showers
Moderate or heavy snow showers
 8° /-1° 24.3 mm 2.6 cm
May 26 Patchy moderate snow
Patchy moderate snow
 7° /-3° 3.8 mm 0.1 cm
May 27 Sunny
Sunny
 11° /-1° 0 mm 0 cm
May 28 Patchy light drizzle
Patchy light drizzle
 13° /1° 4.3 mm 0.1 cm
May 29 Patchy rain possible
Patchy rain possible
 12° /1° 2 mm 0.9 cm
May 30 Sunny
Sunny
 14° /1° 0 mm 0 cm
May 31 Overcast
Overcast
 14° /0° 0 mm 0 cm
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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 8° and colder nights, dipping below -3°.

How much rainfall should be expected in Summit County during May?

Significant rainfall exceeding 123.6 mm is expected in Summit County during May, occurring over more than 4 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Summit County in May 2026?

Summit County experiences an average snowfall of 46.89 cm during May, occurring over 17 days.

What are the typical wind conditions in Summit County during May?

The average wind speed in Summit County during May is 22 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 ❄️
On average, Summit County sees 17 snowy days during May, with approximately 46.9 cm of total snowfall.

May rainfall patterns in Summit County

Explore the daily rainfall trends and prepare for Summit Countys May weather 💧
Typically, Summit County has 4 rainy days in May with a total of 123.6 mm of rainfall.
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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 39.482 and longitude -106.038. Stay updated with localized weather information tailored for Summit County.

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