April weather forecastDeep River, CT
April
Weather in April
April in Deep River, Connecticut, is a fresh spring month, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 54.3°F (12.4°C).Temperature
April brings a temperature increase, with average high-temperatures moving from March's frosty 43.7°F (6.5°C) to a cool 54.3°F (12.4°C). During April, an average low-temperature of 41.7°F (5.4°C) is observed.Humidity
April is the least humid month, with an average relative humidity of 73%.Rainfall
In Deep River, in April, it is raining for 15.2 days, with typically 3.23" (82mm) of accumulated precipitation. In Deep River, during the entire year, the rain falls for 166.2 days and collects up to 34.8" (884mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In April, it is snowing for 0.7 days. Throughout April, 0.08" (2mm) of snow is accumulated. Throughout the year, there are 24.2 snowfall days, and 9.53" (242mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 21min.On the first day of April, sunrise is at 6:31 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 7:46 pm EDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Deep River, CT
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in April: 41.7°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in April
Deep River, CT
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Deep River, CT
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in April
Deep River, CT
- Average humidity in April: 73%
The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in April
Deep River, CT
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in April
Deep River, CT
- Average rainfall days in April: 15.2 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).
Average snowfall in April
Deep River, CT
- Average snowfall in April: 0.08"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Deep River, CT
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is February (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
Deep River, CT
- Average daylight in April: 13h and 24min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in April
Deep River, CT
- Average sunshine days in April: 12.7 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in April
Deep River, CT
- 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, March, November and December (UV index 2).
Average cloud cover in April
Deep River, CT
- Average cloud cover in April: 44
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Deep River, CT
- 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).





