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
With average high temperatures of 28.6°F (-1.9°C) and lows of 15.6°F (-9.1°C), January is the coldest month.Humidity
The average relative humidity in January is 82%.Rainfall
In Thornburg, in January, during 5.8 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Thornburg, during the entire year, the rain falls for 137.9 days and collects up to 27.76" (705mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 9.5 days and accumulates 4.06" (103mm) of snow.Daylight
In Thornburg, Iowa, the average length of the day in January is 9h and 35min.On the first day of January in Thornburg, sunrise is at 7:35 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:23 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.2h of sunshine.UV index
The months with the lowest UV index in Thornburg are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in January leads to these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What part of the year is the coldest in Thornburg?
How cold is January in Thornburg?
What is the average humidity in January in Thornburg?
How much does it rain in Thornburg in January?
When does it snow the most in Thornburg?
How much does it snow in Thornburg in January?
How many hours of daylight does Thornburg have in January?
When are sunrise and sunset in January in Thornburg?
What is the month with the least sunshine in Thornburg?
How long on average sun shines in January in Thornburg?
What is the month with the lowest UV index in Thornburg?
What is the UV index intensity in January in Thornburg?
Average temperature in January
Thornburg, IA
- Average high temperature in January: 28.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in January: 15.6°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in January
Thornburg, IA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Thornburg, IA
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in January
Thornburg, IA
- Average humidity in January: 82%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Thornburg, IA
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in January
Thornburg, IA
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in January
Thornburg, IA
- Average snowfall in January: 4.06"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Thornburg, IA
- Average snowfall days in January: 9.5 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Thornburg, 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 12min).
- Average sunshine in January: 4h 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 12min).
Average sunshine days in January
Thornburg, IA
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is December (19.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in January
Thornburg, IA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in January
Thornburg, IA
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in January
Thornburg, IA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Thornburg, Iowa, USA
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