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 11 rainy days, and a total of 44 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
20
Dry days
11
Rainy days
0
Snow days
21°/8°
Temperatures
29 km/h
Avg max wind
47 %
Avg humidity
Greeley Weather May
Move between months or click on a day
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
| 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 | |
| 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.
Change Month
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 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Greeley during May?
In May, Greeley can expect light to moderate rainfall, totaling 44 mm across approximately 11 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Greeley during May?
The average wind speed in Greeley during May is 29 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 ☀️
Quick links
More Greeley weather pages
You are here
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.
Found a mistake?
We appreciate your attention to details. Tell us here.