Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April sees a rise in the average high-temperature, climbing from a cold 34.3°F (1.3°C) in March to a chilly 48.2°F (9°C). Derby's nights in April experience an average temperature drop to a subzero cold 31.8°F (-0.1°C).Humidity
The average relative humidity in April is 79%.Rainfall
April is the month with the most rainfall in Derby. Rain falls for 15.3 days and accumulates 2.91" (74mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Derby. In Derby, during April, snow falls for 5.2 days and regularly aggregates up to 4.88" (124mm) of snow. Throughout the year, there are 65.9 snowfall days, and 37.6" (955mm) of snow is accumulated.Daylight
The average length of the day in April in Derby is 13h and 32min.On the first day of April, sunrise is at 6:14 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 7:41 pm EDT.
Sunshine
The average sunshine in April is 6.7h.UV index
In April, the average daily maximum UV index in Derby is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In April, the maximum UV index of 3 suggests this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the average April temperature in Derby?
What is the average humidity in April in Derby?
What is the rainiest month in Derby?
How much does it rain in Derby in April?
How many days does it snow in April in Derby?
How many hours of daylight does Derby have in April?
When are sunrise and sunset in April in Derby?
How long on average sun shines in April in Derby?
What is the UV index reading in April in Derby?
Average temperature in April
Derby, ME
- Average high temperature in April: 48.2°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in April: 31.8°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (11.1°F).
Average pressure in April
Derby, ME
- Average pressure in April: 29.94"Hg
The months with the highest atmospheric pressure are September and November (30.03"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Derby, ME
- Average wind speed in April: 7.3mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Derby, ME
- Average humidity in April: 79%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in April
Derby, ME
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in April
Derby, ME
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in April
Derby, ME
- Average snowfall in April: 4.88"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Derby, ME
- Average snowfall days in April: 5.2 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Derby, ME
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 6h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in April
Derby, ME
- Average sunshine days in April: 10.7 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in April
Derby, ME
- Average UV index in April: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Derby, ME
- Average cloud cover in April: 57
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in April
Derby, ME
- Average visibility in April: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Derby, Maine, USA
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