April weather forecastJefferson, IN
April
Weather in April
April is a mild spring month in Jefferson, Indiana, with an average temperature fluctuating between 44.2°F (6.8°C) and 60.3°F (15.7°C).Temperature
The onset of April brings a temperature shift, with the average high-temperature moving from a chilly 48.6°F (9.2°C) in March to a refreshing 60.3°F (15.7°C). April nights observe an average temperature dip to a chilly 44.2°F (6.8°C).Humidity
In Jefferson, Indiana, the average relative humidity in April is 76%.Rainfall
In April, the rain falls for 14.1 days. Throughout April, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 139.5 rainfall days, and 18.07" (459mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1 snowfall days, in April, Jefferson aggregates 0.24" (6mm) of snow. In Jefferson, during the entire year, snow falls for 28.4 days and aggregates up to 7.44" (189mm) of snow.Daylight
In April, the average length of the day is 13h and 19min.On the first day of April in Jefferson, sunrise is at 7:28 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 8:41 pm EDT.
Sunshine
In April, the average sunshine is 7h.UV index
In Jefferson, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 4 in April transforms into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Jefferson, IN
- Average high temperature in April: 60.3°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Jefferson, IN
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Jefferson, IN
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in April
Jefferson, IN
- Average humidity in April: 76%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Jefferson, IN
- Average rainfall in April: 2.2"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in April
Jefferson, IN
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in April
Jefferson, IN
- Average snowfall in April: 0.24"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Jefferson, IN
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (8.4 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, IN
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 7h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Jefferson, IN
- Average sunshine days in April: 13.8 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in April
Jefferson, IN
- Average UV index in April: 4
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, October, November and December (UV index 2).
Average cloud cover in April
Jefferson, IN
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Jefferson, IN
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
