April weather forecastDerby, CO
April
Weather in April
April in Derby, Colorado, is a mild spring month, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 60.3°F (15.7°C).Temperature
The shift from March to April introduces a subtle increase in the average high-temperature, moving from a cool 54.1°F (12.3°C) to a moderate 60.3°F (15.7°C). During the nights in April, Derby records a pronounced shift from the daytime warmth, with a consistent average temperature of 36.1°F (2.3°C).Humidity
In Derby, the average relative humidity in April is 49%.Rainfall
In Derby, Colorado, in April, during 5.3 rainfall days, 0.24" (6mm) of precipitation is typically accumulated. Throughout the year, there are 48.3 rainfall days, and 3.19" (81mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 2.1 days. Throughout April, 0.91" (23mm) of snow is accumulated. In Derby, during the entire year, snow falls for 19.6 days and aggregates up to 8.5" (216mm) of snow.Daylight
The average length of the day in April is 13h and 17min.On the first day of April, 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
In April, the average sunshine is 10.9h.UV index
In Derby, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Enhance your sun protection with tightly woven, yet airy clothing. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Derby, CO
- Average high temperature in April: 60.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in April: 36.1°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in April
Derby, CO
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in April
Derby, CO
- Average wind speed in April: 6.9mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in April
Derby, CO
- Average humidity in April: 49%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (39%).
Average rainfall in April
Derby, CO
- Average rainfall in April: 0.24"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are January and December (0.08").
Average rainfall days in April
Derby, CO
- Average rainfall days in April: 5.3 days
The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in April
Derby, CO
- Average snowfall in April: 0.91"
The month with the highest snowfall is October (1.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Derby, CO
- Average snowfall days in April: 2.1 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Derby, 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 24min).
- Average sunshine in April: 10h and 54min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in April
Derby, CO
- Average sunshine days in April: 22.8 days
The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is July (19.6 days).
Average UV index in April
Derby, 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
Derby, CO
- Average cloud cover in April: 25
The months with the most cloud cover are February, April and May (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in April
Derby, 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).
