April weather forecastHartsburg, IL
April
Weather in April
April is an enjoyable spring month in Hartsburg, Illinois, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 61.7°F (16.5°C).Temperature
Hartsburg sees an increase in average high-temperatures during April, moving from a frosty 49.8°F (9.9°C) in March to a comfortable 61.7°F (16.5°C). Hartsburg's average low-temperature in the month of April is recorded at a frosty 45.5°F (7.5°C).Humidity
The average relative humidity in April is 74%.Rainfall
In Hartsburg, in April, it is raining for 13.8 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, in Hartsburg, there are 135 rainfall days, and 20.28" (515mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.5 snowfall days, in April, Hartsburg aggregates 0.04" (1mm) of snow. In Hartsburg, during the entire year, snow falls for 24.9 days and aggregates up to 7.64" (194mm) of snow.Daylight
In Hartsburg, the average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 6:40 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:52 pm CDT.
Sunshine
The average sunshine in April in Hartsburg is 8.1h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in April interprets into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hartsburg, IL
- Average high temperature in April: 61.7°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in April: 45.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in April
Hartsburg, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Hartsburg, IL
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in April
Hartsburg, IL
- Average humidity in April: 74%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Hartsburg, IL
- Average rainfall in April: 2.13"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in April
Hartsburg, IL
- Average rainfall days in April: 13.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in April
Hartsburg, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Hartsburg, IL
- Average snowfall days in April: 0.5 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Hartsburg, IL
- 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: 8h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Hartsburg, IL
- Average sunshine days in April: 14.5 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in April
Hartsburg, IL
- 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, November and December (UV index 2).
Average cloud cover in April
Hartsburg, IL
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in April
Hartsburg, IL
- 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).
