April weather forecastWatertown, NY
April
Weather in April
In contrast to the dwindling winter of March, April in Watertown is a gateway to warmer weather. The snowfall ceases almost completely with a surprising decline to just 2.05" (52mm). This transition month is a delightful blend of milder temperatures and longer daylight hours. Outdoor activities grow more enjoyable and locals can begin to put away heavy winter gear. Evenings remain cooler than the increasingly warm days, infusing the air with a fresh spring charm.Temperature
The arrival of April in Watertown signals an increase in the average high-temperature, moving from a wintry 37°F (2.8°C) in March to a cool 50.5°F (10.3°C). Watertown throughout April, experiences an average nighttime temperature of 35.4°F (1.9°C).Humidity
The months with the lowest humidity are April and September, with an average relative humidity of 77%.Rainfall
In Watertown, in April, it is raining for 16.3 days, with typically 3.27" (83mm) of accumulated precipitation. Throughout the year, there are 163.9 rainfall days, and 33.19" (843mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Watertown, New York, in April, during 5.3 snowfall days, 2.05" (52mm) of snow is typically accumulated. In Watertown, New York, during the entire year, snow falls for 84.4 days and aggregates up to 43.58" (1107mm) of snow.Daylight
The average length of the day in April is 13h and 29min.On the first day of April in Watertown, sunrise is at 6:43 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:06 pm EDT.
Sunshine
In April, the average sunshine in Watertown is 7.1h.UV index
In April, the average daily maximum UV index in Watertown is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 3 in April leads to these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Watertown, NY
- Average high temperature in April: 50.5°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in April: 35.4°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in April
Watertown, NY
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Watertown, NY
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in April
Watertown, NY
- Average humidity in April: 77%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and September (77%).
Average rainfall in April
Watertown, NY
- Average rainfall in April: 3.27"
The wettest month (with the highest rainfall) is October (3.54").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in April
Watertown, NY
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is October (17.7 days).
The month with the least rainy days is February (7 days).
Average snowfall in April
Watertown, NY
- Average snowfall in April: 2.05"
The month with the highest snowfall is January (10.47").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Watertown, NY
- Average snowfall days in April: 5.3 days
The month with the highest number of snowfall days is January (19.6 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, NY
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in April
Watertown, NY
- Average sunshine days in April: 10 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in April
Watertown, NY
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Watertown, NY
- Average cloud cover in April: 53
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Watertown, NY
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
