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
The average high-temperature increases in April, moving from a chilly 43.7°F (6.5°C) in March to a refreshing 56.8°F (13.8°C). Thor records a mean low-temperature of 41.2°F (5.1°C) in April.Humidity
In Thor, the average relative humidity in April is 70%.Rainfall
In April, the rain falls for 14.7 days. Throughout April, 2.87" (73mm) of precipitation is accumulated. In Thor, during the entire year, the rain falls for 129.4 days and collects up to 25.04" (636mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Thor, during April, snow falls for 2.1 days and regularly aggregates up to 1.3" (33mm) of snow. Throughout the year, there are 44 snowfall days, and 17.44" (443mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 25min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:42 pm. On the last day of April, sunrise is at 6:10 am and sunset at 8:15 pm CDT.
Sunshine
In Thor, the average sunshine in April is 7.9h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 3 during April translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Experience reduced UV exposure by about half when donning a wide-brim hat. 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
What are April temperatures?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
How many hours of daylight does Thor have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Thor, IA
- Average high temperature in April: 56.8°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in April: 41.2°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in April
Thor, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Thor, IA
- Average wind speed in April: 11mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in April
Thor, IA
- Average humidity in April: 70%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (69%).
Average rainfall in April
Thor, IA
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in April
Thor, IA
- Average rainfall days in April: 14.7 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in April
Thor, IA
- Average snowfall in April: 1.3"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Thor, IA
- Average snowfall days in April: 2.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Thor, IA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Thor, IA
- Average sunshine days in April: 12.5 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in April
Thor, IA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Thor, IA
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in April
Thor, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Thor, Iowa, USA
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