Greeley (CO)
May
Weather in Greeley, Colorado for May 2026
Your guide to Greeley weather in May - trends and predictions
In general, the average temperature in Greeley at the beginning of May is 17.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23.3 °F by the end of May.
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.
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Temperatures
Rain 🌧️
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19
Dry days
12
Rainy days
0
Snow days
21°/7°
Temperatures
27 km/h
Avg max wind
51 %
Avg humidity
Greeley Weather May
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Temperatures trend during May in Greeley
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May weather in Greeley day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Patchy light drizzle | 17° /6° | 1 mm | 4 | |
| May 2 |  Patchy rain possible | 18° /3° | 0.1 mm | 5 | |
| May 3 | Patchy rain possible | 21° /3° | 0.1 mm | 6 | |
| May 4 |  Partly cloudy | 22° /4° | 0 mm | 6 | |
| May 5 | Partly cloudy | 19° /8° | 12.4 mm | 5 | |
| May 6 | Patchy rain possible | 14° /7° | 31.5 mm | 4 | |
| May 7 | Patchy rain possible | 14° /6° | 3.6 mm | 3 | |
| May 8 | Partly cloudy | 18° /3° | 0 mm | 5 | |
| May 9 | Patchy rain possible | 19° /5° | 0.1 mm | 5 | |
| May 10 | Patchy rain possible | 21° /6° | 0 mm | 5 | |
| May 11 | Patchy rain possible | 25° /7° | 0 mm | 6 | |
| May 12 |  Patchy light rain with thunder | 25° /9° | 4.9 mm | 7 | |
| May 13 | Patchy light drizzle | 26° /9° | 1.3 mm | 6 | |
| May 14 | Patchy light drizzle | 22° /8° | 0.3 mm | 5 | |
| May 15 | Patchy light rain with thunder | 20° /6° | 5.3 mm | 5 | |
| May 16 |  Sunny | 22° /5° | 0 mm | 6 | |
| May 17 | Partly cloudy | 25° /9° | 0.1 mm | 6 | |
| May 18 | Patchy light drizzle | 22° /11° | 0.5 mm | 5 | |
| May 19 | Patchy rain possible | 21° /9° | 0.1 mm | 5 | |
| May 20 |  Thundery outbreaks possible | 23° /5° | 0.6 mm | 6 | |
| May 21 |  Moderate rain at times | 21° /6° | 4.9 mm | 5 | |
| May 22 |  Overcast | 24° /4° | 0 mm | 6 | |
| May 23 | Patchy rain possible | 27° /9° | 0.1 mm | 6 | |
| May 24 | Partly cloudy | 18° /7° | 0.1 mm | 5 | |
| May 25 | Patchy light drizzle | 18° /10° | 3.5 mm | 4 | |
| May 26 | Partly cloudy | 17° /8° | 5.3 mm | 5 | |
| May 27 | Partly cloudy | 24° /10° | 0 mm | 6 | |
| May 28 | Partly cloudy | 24° /11° | 16.9 mm | 6 | |
| May 29 | Patchy rain possible | 26° /10° | 0 mm | 6 | |
| May 30 | Patchy light rain | 28° /10° | 1.2 mm | 6 | |
| May 31 | Thundery outbreaks possible | 26° /8° | 0.2 mm | 6 | |
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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.
May rainfall patterns in Greeley
Explore the daily rainfall trends and prepare for Greeleys May weather 💧
UV exposure in Greeley during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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