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
April's arrival is marked by an increase in the average high-temperature, moving from a frosty 47.8°F (8.8°C) in March to a refreshing 59.9°F (15.5°C). In Thayer, the average temperature during the nights of April drops to a wintry 42.3°F (5.7°C).Humidity
In Thayer, the average relative humidity in April is 74%.Rainfall
In April, in Thayer, the rain falls for 13.8 days. Throughout April, 1.89" (48mm) of precipitation is accumulated. In Thayer, Iowa, during the entire year, the rain falls for 122.6 days and collects up to 20.43" (519mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Thayer. In Thayer, in April, snow falls for 0.9 days, with typically accumulated 1.22" (31mm) of snow. In Thayer, during the entire year, snow falls for 30.8 days and aggregates up to 11.77" (299mm) of snow.Daylight
In Thayer, the average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 6:58 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:14 am and sunset at 8:12 pm CDT.
Sunshine
The average sunshine in April 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 medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In April, the UV index of 4 transforms into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Thayer have in April?
How high is the UV index in April?
Average temperature in April
Thayer, IA
- Average high temperature in April: 59.9°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in April: 42.3°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in April
Thayer, IA
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Thayer, IA
- Average wind speed in April: 10.5mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in April
Thayer, IA
- Average humidity in April: 74%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Thayer, IA
- Average rainfall in April: 1.89"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in April
Thayer, IA
- Average rainfall days in April: 13.8 days
The months with the highest number of rainy days are May and June (16.4 days).
The months with the least rainy days are January and February (3.7 days).
Average snowfall in April
Thayer, IA
- Average snowfall in April: 1.22"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Thayer, IA
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Thayer, IA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Thayer, IA
- Average sunshine days in April: 14.1 days
The month with the most sunshine days is December (21 days).
The months with the least sunshine days are May and June (11.3 days).
Average UV index in April
Thayer, IA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Thayer, IA
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in April
Thayer, IA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Thayer, Iowa, USA
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