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
As March transitions into April, a change in temperatures is observed, with average highs moving from a wintry 37.4°F (3°C) to a fresh 50.5°F (10.3°C). In April, Jefferson reports a consistent average low-temperature of 33.6°F (0.9°C) during the nights.Humidity
April through July, with an average relative humidity of 80%, are the least humid months.Rainfall
In Jefferson, in April, during 15.2 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Jefferson, during the entire year, the rain falls for 150.7 days and collects up to 27.83" (707mm) of precipitation.Snowfall
Months with snowfall in Jefferson, New York, are January through May, October through December. In Jefferson, in April, during 8.5 snowfall days, 6.22" (158mm) of snow is typically accumulated. In Jefferson, during the entire year, snow falls for 98 days and aggregates up to 50.39" (1280mm) of snow.Daylight
In Jefferson, the average length of the day in April is 13h and 24min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:24 pm. On the last day of April, sunrise is at 5:53 am and sunset at 7:57 pm EDT.
Sunshine
In Jefferson, the average sunshine in April is 6.7h.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 radiation for the ordinary person.Note: In April, an average UV index of 3 transforms into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Jefferson?
What is the least humid month in Jefferson?
What is the average humidity in April in Jefferson?
How many days does it rain in April in Jefferson?
How much does it snow in Jefferson in April?
How many hours of daylight does Jefferson have in April?
When are sunrise and sunset in April in Jefferson?
How long on average sun shines in April in Jefferson?
What is the UV index reading in April in Jefferson?
Average temperature in April
Jefferson, NY
- Average high temperature in April: 50.5°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in April: 33.6°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 (14.4°F).
Average pressure in April
Jefferson, NY
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Jefferson, NY
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in April
Jefferson, NY
- Average humidity in April: 80%
The months with the highest relative humidity are February and December (87%).
The months with the lowest relative humidity are April, May, June and July (80%).
Average rainfall in April
Jefferson, NY
- Average rainfall in April: 2.52"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in April
Jefferson, NY
- Average rainfall days in April: 15.2 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in April
Jefferson, NY
- Average snowfall in April: 6.22"
The month with the highest snowfall is December (9.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Jefferson, NY
- Average snowfall days in April: 8.5 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Jefferson, NY
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 6h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in April
Jefferson, NY
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (7.5 days).
Average UV index in April
Jefferson, NY
- 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, November and December (UV index 1).
Average cloud cover in April
Jefferson, NY
- Average cloud cover in April: 58
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in April
Jefferson, NY
- Average visibility in April: 5mi
The months with the highest visibility are January, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February, March and September (4mi).
Jefferson, New York, USA
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