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
January brings the lowest temperatures, with an average high of 24.1°F (-4.4°C) and an average low of 11.8°F (-11.2°C).Humidity
January is the most humid month, with an average relative humidity of 87%.Rainfall
January is the month with the least rainfall in Coster, Iowa. Rain falls for 5.1 days and accumulates 1.14" (29mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Coster. In Coster, in January, during 13.5 snowfall days, 5.31" (135mm) of snow is typically accumulated. Throughout the year, in Coster, there are 53.2 snowfall days, and 22.4" (569mm) of snow is accumulated.Daylight
In Coster, the average length of the day in January is 9h and 28min.On the first day of the month, sunrise is at 7:40 am and sunset at 4:47 pm. On the last day of January, sunrise is at 7:26 am and sunset at 5:22 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
With an average maximum UV index of 1, January is the month with the lowest UV index in Coster. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 1 during January morphs into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What is the coldest month in Coster?
How cold is it in Coster in January?
What is the most humid month in Coster?
What is the average humidity in January in Coster?
What is the driest month in Coster?
How many days does it rain in January in Coster?
How much does it snow in Coster in January?
How many hours of daylight does Coster have in January?
When are sunrise and sunset in January in Coster?
What is the month with the least sunshine in Coster?
How long on average sun shines in January in Coster?
What is the month with the lowest UV index in Coster?
What is the UV index reading in January in Coster?
Average temperature in January
Coster, IA
- Average high temperature in January: 24.1°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in January: 11.8°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in January
Coster, IA
- Average pressure in January: 30.14"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Coster, IA
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in January
Coster, IA
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Coster, IA
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in January
Coster, IA
- Average rainfall days in January: 5.1 days
The month with the highest number of rainy days is June (20.1 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in January
Coster, IA
- Average snowfall in January: 5.31"
The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Coster, IA
- Average snowfall days in January: 13.5 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Coster, IA
- Average daylight in January: 9h and 3min
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 January: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Coster, IA
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in January
Coster, IA
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Coster, IA
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in January
Coster, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Coster, Iowa, USA
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