April weather forecastVail, CO

April
Weather in April
April witnesses a perceptible transition towards warmer conditions. In contrast to the lowering temperatures and snowfall of March, April sets forth the path to spring. Despite some lingering cold, the daytime temperature can reach a balmy 37.9°F (3.3°C). Longer daylight and reducing snowfall encourage winter weary residents and visitors alike to engage in outdoor pursuits. From scenic walks to biking, Vail offers a delightful palette of spring activities in this month.Temperature
As March transitions into April, a subtle temperature shift is observed, with average highs adjusting from a freezing cold 31.8°F (-0.1°C) to an icy 37.9°F (3.3°C). In Vail, an average nighttime temperature of 17.1°F (-8.3°C) is expected during April.Humidity
The average relative humidity in April is 82%.Rainfall
In Vail, during April, the rain falls for 5.6 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 82.8 rainfall days, and 14.8" (376mm) of precipitation is accumulated.Snowfall
January through December are months with snowfall. In Vail, in April, during 13.8 snowfall days, 10.59" (269mm) of snow is typically accumulated. In Vail, Colorado, during the entire year, snow falls for 107.8 days and aggregates up to 77.72" (1974mm) of snow.Daylight
In April, the average length of the day is 13h and 17min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:30 pm. On the last day of April, sunrise is at 6:06 am and sunset at 7:58 pm MDT.
Sunshine
The average sunshine in April is 9.6h.UV index
In April, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 2 in April leads to these guidelines:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Vail, CO
- Average high temperature in April: 37.9°F
The warmest month (with the highest average high temperature) is July (70.3°F).
The months with the lowest average high temperature are January and December (24.1°F).
- Average low temperature in April: 17.1°F
The month with the highest average low temperature is July (41.4°F).
The coldest month (with the lowest average low temperature) is January (1.2°F).
Average pressure in April
Vail, CO
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are April and May (29.94"Hg).
Average wind speed in April
Vail, CO
- Average wind speed in April: 5.6mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Vail, CO
- Average humidity in April: 82%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is June (51%).
Average rainfall in April
Vail, CO
- Average rainfall in April: 1.42"
The wettest months (with the highest rainfall) are May and July (1.77").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in April
Vail, CO
- Average rainfall days in April: 5.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (1.6 days).
Average snowfall in April
Vail, CO
- Average snowfall in April: 10.59"
The month with the highest snowfall is February (11.38").
The month with the least snowfall is July (0.12").
Average snowfall days in April
Vail, CO
- Average snowfall days in April: 13.8 days
The month with the highest number of snowfall days is February (16 days).
The month with the least snowfall days is July (0.3 days).
Average daylight in April /
Average sunshine in April
Vail, CO
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 9h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in April
Vail, CO
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in April
Vail, CO
- Average UV index in April: 2
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Vail, CO
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in April
Vail, CO
- Average visibility in April: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).








