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Weather in Fort Collins, Colorado for May 2026

Your guide to Fort Collins weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Fort Collins during May is quite rare, with fewer than 2 snowy days on average.
    According to Fort Collins snow forecast for May 2026, no snow is expected in the next 2 weeks.

    • Temperatures

  • Until now, May 2026 in Fort Collins has been nearly identical to the historical average, with a temperature of 16.1 °F (showing only a slight deviation of 0.3 °F).

  • The forecast for the next days in Fort Collins predicts the temperature to be 28.6 °F, significantly warmer than the historical average.

  • In general, the average temperature in Fort Collins at the beginning of May is 15.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 21.1 °F by the end of May.

    • Rain 🌧️

  • The climate of Fort Collins in May is notably wet, with an average of 15 rainy days, and a total of 118.4 mm of precipitation.

    • More

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

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
1
Snow days
Average temperatures
19°/6°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
51 %
Avg humidity

Fort Collins Weather May

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

Temperatures trend during May in Fort Collins

See the weather trend as well as the moving average line

May weather in Fort Collins day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
May 1 Light rain shower
Light rain shower
 14° /3° 4.3 mm 0 cm
May 2 Partly cloudy
Partly cloudy
 17° /2° 0 mm 0 cm
May 3 Light rain shower
Light rain shower
 20° /3° 0.7 mm 0 cm
May 4 Patchy rain possible
Patchy rain possible
 19° /5° 1.7 mm 0 cm
May 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /4° 27.2 mm 0.6 cm
May 6 Light drizzle
Light drizzle
 9° /1° 23.5 mm 0.7 cm
May 7 Patchy rain possible
Patchy rain possible
 13° /1° 4.5 mm 0 cm
May 8 Partly cloudy
Partly cloudy
 17° /2° 0 mm 0 cm
May 9 Patchy heavy snow
Patchy heavy snow
 19° /4° 0.8 mm 0.2 cm
May 10 Patchy rain possible
Patchy rain possible
 19° /6° 0.2 mm 0 cm
May 11 Sunny
Sunny
 30° /7° 0 mm 0 cm
May 12 Sunny
Sunny
 24° /12° 0.1 mm 0 cm
May 13 Patchy rain possible
Patchy rain possible
 30° /11° 0.6 mm 0 cm
May 14 Patchy rain possible
Patchy rain possible
 26° /14° 1.9 mm 0 cm
May 15 Sunny
Sunny
 29° /12° 0.1 mm 0 cm
May 16 Sunny
Sunny
 27° /11° 0 mm 0 cm
May 17 Sunny
Sunny
 28° /9° 0 mm 0 cm
May 18 Sunny
Sunny
 27° /13° 0 mm 0 cm
May 19 Sunny
Sunny
 30° /13° 0 mm 0 cm
May 20 Patchy rain possible
Patchy rain possible
 31° /13° 0.6 mm 0 cm
May 21 Sunny
Sunny
 25° /13° 0 mm 0 cm
May 22 Sunny
Sunny
 32° /9° 0 mm 0 cm
May 23 Sunny
Sunny
 29° /13° 0 mm 0 cm
May 24 Patchy rain possible
Patchy rain possible
 33° /15° 0.1 mm 0 cm
May 25 Moderate rain at times
Moderate rain at times
 17° /7° 9.2 mm 0 cm
May 26 Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /7° 6 mm 0 cm
May 27 Patchy rain possible
Patchy rain possible
 22° /8° 2 mm 0 cm
May 28 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /9° 3.5 mm 0 cm
May 29 Heavy rain at times
Heavy rain at times
 22° /8° 1.2 mm 0 cm
May 30 Patchy rain possible
Patchy rain possible
 25° /9° 1 mm 0 cm
May 31 Moderate or heavy rain shower
Moderate or heavy rain shower
 24° /9° 1.6 mm 0 cm
Next
Important Notice
Our weather forecast for Fort Collins 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 Fort Collins forecast closer to your planned date for the most up-to-date weather information.
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Fort Collins in May - FAQ

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

Enjoy moderate daytime temperatures of up to 19° and cooler nights around 6°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Fort Collins during May?

Significant rainfall exceeding 118.4 mm is expected in Fort Collins during May, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Fort Collins in May 2026?

Fort Collins typically sees 0.305 cm of snowfall during May.

What are the typical wind conditions in Fort Collins during May?

The average wind speed in Fort Collins during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Fort Collins snow forecast May 2026

Track daily snowfall levels and discover Fort Collins’s snowy potential this May ❄️
On average, Fort Collins sees 1 snowy days during May, with approximately 0.3 cm of total snowfall.

May rainfall patterns in Fort Collins

Explore the daily rainfall trends and prepare for Fort Collinss May weather 💧
Typically, Fort Collins has 15 rainy days in May with a total of 118.4 mm of rainfall.

UV exposure in Fort Collins during May

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

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Location coordinates Where is Fort Collins?

Get accurate weather forecasts for Fort Collins, located at latitude 40.585 and longitude -105.084. Stay updated with localized weather information tailored for Fort Collins.

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