Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In Thayer, January is the coldest month, with temperatures averaging a high of 29.1°F (-1.6°C) and a low of 15.8°F (-9°C).Humidity
In January, the average relative humidity is 82%.Rainfall
In Thayer, in January, during 3.7 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 122.6 rainfall days, and 20.43" (519mm) of precipitation is accumulated.Snowfall
Months with snowfall in Thayer are January through May, October through December. The month with the most snowfall in Thayer, Iowa, is January, when snow falls for 9.2 days and typically aggregates up to 3.66" (93mm) of snow.Daylight
In January, the average length of the day in Thayer is 9h and 38min.On the first day of January, sunrise is at 7:41 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:31 pm CST.
Sunshine
January has the least sunshine of the year in Thayer, with an average of 4.3h of sunshine.UV index
The month with the lowest UV index is January, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 1 suggests this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What is the coldest time of year in Thayer?
How cold is it in Thayer in January?
What is the average humidity in January in Thayer?
How much does it rain in Thayer in January?
What is the snowiest month in Thayer?
How many days does it snow in January in Thayer?
How many hours of daylight does Thayer have in January?
When is the sunrise / sunset in January in Thayer?
What is the month with the least sunshine in Thayer?
How long on average sun shines in January in Thayer?
When is the lowest UV index in Thayer?
What is the UV index reading in January in Thayer?
Average temperature in January
Thayer, IA
- Average high temperature in January: 29.1°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 January: 15.8°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 January
Thayer, IA
- Average pressure in January: 30.16"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 January
Thayer, IA
- Average wind speed in January: 10.7mph
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 January
Thayer, IA
- Average humidity in January: 82%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Thayer, IA
- Average rainfall in January: 0.71"
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 January
Thayer, IA
- Average rainfall days in January: 3.7 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 January
Thayer, IA
- Average snowfall in January: 3.66"
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 January
Thayer, IA
- Average snowfall days in January: 9.2 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 January /
Average sunshine in January
Thayer, IA
- Average daylight in January: 9h and 4min
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 January: 4h and 2min
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 January
Thayer, IA
- Average sunshine days in January: 19.8 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 January
Thayer, IA
- Average UV index in January: 1
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 January
Thayer, IA
- Average cloud cover in January: 53
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 January
Thayer, IA
- Average visibility in January: 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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