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United States weather

Weather in Greeley, Colorado for May 2026

Your guide to Greeley weather in May - trends and predictions

    Temperatures

  • Until now, May 2026 in Greeley has been nearly identical to the historical average, with a temperature of 18.4 °F (showing only a slight deviation of 0.2 °F).

  • The forecast for the coming days of May 2026 predicts a temperature of 29.7 °F , which is warmer than usual.

  • In general, the average temperature in Greeley at the beginning of May is 17.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.3 °F by the end of May.

    • Rain 🌧️

  • The climate of Greeley in May is notably wet, with an average of 12 rainy days, and a total of 94.5 mm of precipitation.

    • More

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

Average dry days
19
Dry days
Average rainy days
12
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/7°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
51 %
Avg humidity

Greeley Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
17°
2
Sunny
19°
3
Patchy rain possible
22°
4
Partly cloudy
22°
5
Partly cloudy
16°
6
Patchy rain possible
12°
7
Patchy rain possible
16°
8
Partly cloudy
19°
9
Patchy rain possible
21°
10
Sunny
21°
11
Sunny
31°
12
Sunny
25°
13
Sunny
30°
14
Sunny
27°
15
Patchy rain possible
31°
16
Sunny
28°
17
Sunny
30°
18
Sunny
29°
19
Sunny
31°
20
Patchy rain possible
33°
21
Sunny
25°
22
Sunny
32°
23
Sunny
31°
24
Sunny
33°
25
Patchy light drizzle
18°
26
Partly cloudy
17°
27
Partly cloudy
24°
28
Partly cloudy
24°
29
Patchy rain possible
26°
30
Patchy light rain
28°
31
Thundery outbreaks possible
26°

Temperatures trend during May in Greeley

See the weather trend as well as the moving average line

May weather in Greeley day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
May 1 Overcast
Overcast
 17° /5° 0.7 mm 0 cm
May 2 Sunny
Sunny
 19° /3° 0 mm 0 cm
May 3 Patchy rain possible
Patchy rain possible
 22° /4° 0.1 mm 0 cm
May 4 Partly cloudy
Partly cloudy
 22° /5° 1 mm 0 cm
May 5 Partly cloudy
Partly cloudy
 16° /6° 16.2 mm 0 cm
May 6 Patchy rain possible
Patchy rain possible
 12° /5° 22.8 mm 0.4 cm
May 7 Patchy rain possible
Patchy rain possible
 16° /4° 2.6 mm 0 cm
May 8 Partly cloudy
Partly cloudy
 19° /4° 0 mm 0 cm
May 9 Patchy rain possible
Patchy rain possible
 21° /6° 0.8 mm 0 cm
May 10 Sunny
Sunny
 21° /7° 0.3 mm 0 cm
May 11 Sunny
Sunny
 31° /6° 0 mm 0 cm
May 12 Sunny
Sunny
 25° /13° 0 mm 0 cm
May 13 Sunny
Sunny
 30° /11° 0 mm 0 cm
May 14 Sunny
Sunny
 27° /14° 0 mm 0 cm
May 15 Patchy rain possible
Patchy rain possible
 31° /12° 0.3 mm 0 cm
May 16 Sunny
Sunny
 28° /13° 0 mm 0 cm
May 17 Sunny
Sunny
 30° /10° 0 mm 0 cm
May 18 Sunny
Sunny
 29° /13° 0 mm 0 cm
May 19 Sunny
Sunny
 31° /14° 0 mm 0 cm
May 20 Patchy rain possible
Patchy rain possible
 33° /13° 0.4 mm 0 cm
May 21 Sunny
Sunny
 25° /14° 0 mm 0 cm
May 22 Sunny
Sunny
 32° /9° 0 mm 0 cm
May 23 Sunny
Sunny
 31° /13° 0 mm 0 cm
May 24 Sunny
Sunny
 33° /14° 0 mm 0 cm
May 25 Patchy light drizzle
Patchy light drizzle
 18° /10° 3.5 mm 0 cm
May 26 Partly cloudy
Partly cloudy
 17° /8° 5.3 mm 0 cm
May 27 Partly cloudy
Partly cloudy
 24° /10° 0 mm 0 cm
May 28 Partly cloudy
Partly cloudy
 24° /11° 16.9 mm 0 cm
May 29 Patchy rain possible
Patchy rain possible
 26° /10° 0 mm 0 cm
May 30 Patchy light rain
Patchy light rain
 28° /10° 1.2 mm 0 cm
May 31 Thundery outbreaks possible
Thundery outbreaks possible
 26° /8° 0.2 mm 0 cm
Next
Important Notice
Our weather forecast for Greeley 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 Greeley forecast closer to your planned date for the most up-to-date weather information.
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Greeley in May - FAQ

What are the expected maximum and minimum temperatures in Greeley during May?

Enjoy moderate daytime temperatures of up to 21° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Greeley during May?

Moderate rainfall is anticipated in Greeley during May, with a total of 94.5 mm spread over approximately 12 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Greeley during May?

The average wind speed in Greeley during May is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

Greeley snow forecast May 2026

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

May rainfall patterns in Greeley

Explore the daily rainfall trends and prepare for Greeleys May weather 💧
Typically, Greeley has 12 rainy days in May with a total of 94.5 mm of rainfall.

UV exposure in Greeley during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

Quick links

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Location coordinates Where is Greeley?

Get accurate weather forecasts for Greeley, located at latitude 40.423 and longitude -104.709. Stay updated with localized weather information tailored for Greeley.

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