April weather forecastTrumbull, CT
April
Weather in April
April is a cool spring month in Trumbull, Connecticut, with an average temperature fluctuating between 42.8°F (6°C) and 54.9°F (12.7°C).Temperature
Trumbull's transition into April is marked by a temperature shift, moving from a frosty 44.2°F (6.8°C) in March to a fresh 54.9°F (12.7°C). During April, Trumbull experiences an average low-temperature of 42.8°F (6°C) at night.Humidity
April and November, with an average relative humidity of 72%, are the least humid months.Rainfall
In Trumbull, in April, it is raining for 15.6 days, with typically 3.15" (80mm) of accumulated precipitation. In Trumbull, during the entire year, the rain falls for 170.6 days and collects up to 37.09" (942mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.4 snowfall days, in April, Trumbull aggregates 0.04" (1mm) of snow. Throughout the year, there are 24.4 snowfall days, and 9.41" (239mm) of snow is accumulated.Daylight
In Trumbull, the average length of the day in April is 13h and 21min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:50 am and sunset at 7:49 pm EDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
In Trumbull, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during April morphs into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. 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
Trumbull, CT
- Average high temperature in April: 54.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in April: 42.8°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in April
Trumbull, CT
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Trumbull, CT
- Average wind speed in April: 9.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in April
Trumbull, CT
- Average humidity in April: 72%
The months with the highest relative humidity are February, May and June (76%).
The months with the lowest relative humidity are April and November (72%).
Average rainfall in April
Trumbull, CT
- Average rainfall in April: 3.15"
The wettest month (with the highest rainfall) is December (4.13").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in April
Trumbull, CT
- Average rainfall days in April: 15.6 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in April
Trumbull, CT
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Trumbull, CT
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Trumbull, CT
- Average daylight in April: 13h and 18min
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 18min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Trumbull, CT
- Average sunshine days in April: 12.5 days
The month with the most sunshine days is January (17 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in April
Trumbull, 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
Trumbull, 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
Trumbull, 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).





