April weather forecastLittleton, CO

April
Weather in April
Spring firmly establishes itself in April, owing to a noticeable increase in the temperature from March, with daily highs rising to a comfortable 58.6°F (14.8°C) in Littleton, Colorado. The increased warmth is supplemented with a rise in average rainfall, attributing to the vibrant springtime growth around the region. Longer daylights hours to 13.3 and fewer snow-filled days make the onset of spring unmistakable. Noticeably, the snowfall continues its downward trend, capping off at 5.67" (144mm). Meanwhile, the brisk winds continue to blow, making the afternoons somewhat breezy.Temperature
With the onset of April, Littleton experiences a subtle temperature shift, with the average high-temperature moving from a fresh 52.3°F (11.3°C) in March to a mild 58.6°F (14.8°C). The month of April sees a significant daily temperature drop, recording an average low-temperature of 34.3°F (1.3°C) in Littleton.Humidity
The average relative humidity in April is 51%.Rainfall
In Littleton, in April, during 11.3 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, in Littleton, there are 101.2 rainfall days, and 11.89" (302mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Littleton. In Littleton, during April, snow falls for 4.9 days and regularly aggregates up to 5.67" (144mm) of snow. In Littleton, during the entire year, snow falls for 42.7 days and aggregates up to 34.92" (887mm) of snow.Daylight
In April, the average length of the day in Littleton is 13h and 17min.On the first day of April in Littleton, sunrise is at 6:42 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:53 pm MDT.
Sunshine
The average sunshine in April is 10.8h.UV index
In Littleton, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Littleton, CO
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (41°F).
- Average low temperature in April: 34.3°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is December (21°F).
Average pressure in April
Littleton, CO
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in April
Littleton, CO
- Average wind speed in April: 7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is September (6mph).
Average humidity in April
Littleton, CO
- Average humidity in April: 51%
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and August (41%).
Average rainfall in April
Littleton, CO
- Average rainfall in April: 1.34"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in April
Littleton, CO
- Average rainfall days in April: 11.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (3 days).
Average snowfall in April
Littleton, CO
- Average snowfall in April: 5.67"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Littleton, CO
- Average snowfall days in April: 4.9 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Littleton, 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: 10h and 48min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in April
Littleton, CO
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in April
Littleton, CO
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Littleton, CO
- Average cloud cover in April: 26
The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in April
Littleton, 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).





