April weather forecastThayer, IL
April
Weather in April
April is an enjoyable spring month in Thayer, Illinois, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 63.3°F (17.4°C).Temperature
April indicates a change in the average high-temperature, moving up from a fresh 51.4°F (10.8°C) in March to an enjoyable 63.3°F (17.4°C). The temperature in Thayer dips to an average of 46.2°F (7.9°C) during April nights.Humidity
In April, the average relative humidity is 75%.Rainfall
In Thayer, in April, during 14.6 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Thayer, during the entire year, the rain falls for 143.6 days and collects up to 23.74" (603mm) of precipitation.Snowfall
Months with snowfall in Thayer are January through April, November and December. April is the last month it regularly snows. During 0.7 snowfall days, in April, Thayer aggregates 0.08" (2mm) of snow. Throughout the year, there are 26.5 snowfall days, and 6.5" (165mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 16min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:23 pm. On the last day of April, sunrise is at 6:00 am and sunset at 7:52 pm CDT.
Sunshine
The average sunshine in April in Thayer is 8h.UV index
In Thayer, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: During April, 4 as the daily maximum UV index converts into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Thayer, IL
- Average high temperature in April: 63.3°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in April: 46.2°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in April
Thayer, IL
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Thayer, IL
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in April
Thayer, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Thayer, IL
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is June (2.83").
The driest months (with the least rainfall) are February and December (1.26").
Average rainfall days in April
Thayer, IL
- Average rainfall days in April: 14.6 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in April
Thayer, IL
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Thayer, IL
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is January (8 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
Thayer, IL
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in April
Thayer, IL
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in April
Thayer, 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
Thayer, IL
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in April
Thayer, 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).
