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
As April arrives, a rise in the average high-temperature is observed, moving from a chilly 47.8°F (8.8°C) in March to a mild 59.9°F (15.5°C). Throughout the April nights, Thayer encounters a low-temperature of 42.3°F (5.7°C).Humidity
In Thayer, Iowa, the average relative humidity in April is 74%.Rainfall
In April, the rain falls for 13.8 days. Throughout April, 1.89" (48mm) of precipitation is accumulated. Throughout the year, in Thayer, there are 122.6 rainfall days, and 20.43" (519mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Thayer, Iowa, in April, during 0.9 snowfall days, 1.22" (31mm) of snow is typically accumulated. In Thayer, Iowa, during the entire year, snow falls for 30.8 days and aggregates up to 11.77" (299mm) of snow.Daylight
The average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:58 am and sunset at 7:41 pm. On the last day of April, sunrise is at 6:14 am and sunset at 8:12 pm CDT.
Sunshine
The average sunshine in April in Thayer is 8.1h.UV index
In Thayer, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 4 during April, leads to the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Thayer in April?
What is the average humidity in April in Thayer?
How much does it rain in Thayer in April?
How many days does it snow in April in Thayer?
What is the average length of the day in April in Thayer?
What time are sunrise and sunset in April in Thayer?
How long on average sun shines in April in Thayer?
How high is the UV index in April in Thayer?
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
Weather forecast for your location
2. Allow the app to use your location
