April weather forecastWatertown, CT
April
Weather in April
April in Watertown, Connecticut, is a refreshing spring month, with an average temperature fluctuating between 56.7°F (13.7°C) and 39.7°F (4.3°C).Temperature
April's arrival brings a change in high-temperatures, moving from a chilly 44.1°F (6.7°C) in March to a mild 56.7°F (13.7°C). Throughout the April nights, Watertown encounters a low-temperature of 39.7°F (4.3°C).Humidity
The least humid month is April, with an average relative humidity of 72%.Rainfall
In Watertown, during April, the rain falls for 15 days and regularly aggregates up to 2.99" (76mm) of precipitation. In Watertown, during the entire year, the rain falls for 158.5 days and collects up to 34.57" (878mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Watertown, Connecticut, during April, snow falls for 1.6 days and regularly aggregates up to 1.46" (37mm) of snow. In Watertown, Connecticut, during the entire year, snow falls for 34.9 days and aggregates up to 20.35" (517mm) of snow.Daylight
In Watertown, the average length of the day in April is 13h and 22min.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 5:49 am and sunset at 7:49 pm EDT.
Sunshine
The average sunshine in April in Watertown is 8.1h.UV index
The average daily maximum UV index in April in Watertown is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 3 in April transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Watertown, CT
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in April: 39.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in April
Watertown, 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
Watertown, CT
- Average wind speed in April: 7.8mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in April
Watertown, CT
- Average humidity in April: 72%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall in April
Watertown, CT
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in April
Watertown, CT
- Average rainfall days in April: 15 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Watertown, CT
- Average snowfall in April: 1.46"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Watertown, CT
- Average snowfall days in April: 1.6 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, August and September (0 days).
Average daylight in April /
Average sunshine in April
Watertown, 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 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Watertown, CT
- Average sunshine days in April: 12.9 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in April
Watertown, 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
Watertown, CT
- Average cloud cover in April: 47
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in April
Watertown, CT
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
