April weather forecastFort Collins, CO
April
Weather in April
April, in Fort Collins, welcomes an appreciable increase in temperature with highs reaching up to 54.5°F (12.5°C). Despite having more rainfall than March, with a record of 0.75" (19mm), landscape views in Fort Collins are more vibrant with the budding of flowers. It showcases a beautiful transition from Winter to Spring. April sees longer daylight hours and a noticeable increase in sunshine durations, making it the most appealing time for outdoor enthusiasts.Temperature
The coming of April brings a minor shift in Fort Collins's weather, with average high-temperatures adjusting from March's chilly 48.4°F (9.1°C) to a cool 54.5°F (12.5°C). Fort Collins documents a striking divergence from daytime highs, with an average nighttime temperature of 32.9°F (0.5°C) in April.Humidity
In April, the average relative humidity in Fort Collins is 55%.Rainfall
In Fort Collins, during April, the rain falls for 6.1 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, in Fort Collins, there are 73.4 rainfall days, and 7.64" (194mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Fort Collins. April is the month with the most snowfall in Fort Collins, Colorado. Snow falls for 3.1 days and accumulates 3.27" (83mm) of snow.Daylight
In April, the average length of the day is 13h and 19min.On the first day of April in Fort Collins, sunrise is at 6:42 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 7:55 pm MDT.
Sunshine
In Fort Collins, the average sunshine in April is 10.6h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the maximum UV index of 3 suggests these recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Fort Collins, CO
- Average high temperature in April: 54.5°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in April: 32.9°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in April
Fort Collins, CO
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Fort Collins, CO
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in April
Fort Collins, CO
- Average humidity in April: 55%
The month with the highest relative humidity is February (67%).
The months with the lowest relative humidity are June, August and September (45%).
Average rainfall in April
Fort Collins, CO
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is January (0.12").
Average rainfall days in April
Fort Collins, CO
- Average rainfall days in April: 6.1 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (1.2 days).
Average snowfall in April
Fort Collins, CO
- Average snowfall in April: 3.27"
The month with the highest snowfall is April (3.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Fort Collins, CO
- Average snowfall days in April: 3.1 days
The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Fort Collins, CO
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 10h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in April
Fort Collins, CO
- Average sunshine days in April: 21.5 days
The months with the most sunshine days are January and December (27.5 days).
The month with the least sunshine days is July (14.9 days).
Average UV index in April
Fort Collins, CO
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Fort Collins, CO
- Average cloud cover in April: 27
The months with the most cloud cover are February, April and May (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in April
Fort Collins, CO
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
