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 is the coldest month, exhibiting average temperatures of 23.7°F (-4.6°C) at the peak and 11.3°F (-11.5°C) at the base.Humidity
January is the most humid month in Forestville, with an average relative humidity of 88%.Rainfall
The month with the least rainfall in Forestville is January, when the rain falls for 4 days and typically collects 1.18" (30mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Forestville. In January, in Forestville, it is snowing for 12.4 days. Throughout January, 5.12" (130mm) of snow is accumulated. In Forestville, during the entire year, snow falls for 51 days and aggregates up to 22.05" (560mm) of snow.Daylight
In January, the average length of the day in Forestville is 9h and 29min.On the first day of the month, sunrise is at 7:35 am and sunset at 4:43 pm. On the last day of January, sunrise is at 7:21 am and sunset at 5:17 pm CST.
Sunshine
With an average of 3.6h of sunshine, January has the least sunshine of the year.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 1 in January translates into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What month is the coldest in Forestville?
How cold is it in Forestville in January?
What is the most humid month in Forestville?
What is the average humidity in January in Forestville?
What is the driest month in Forestville?
How many days does it rain in January in Forestville?
How many days does it snow in January in Forestville?
How many hours of daylight does Forestville have in January?
What time are sunrise and sunset in January in Forestville?
What is the month with the least sunshine in Forestville?
How long on average sun shines in January in Forestville?
What is the month with the lowest UV index in Forestville?
What is the UV index intensity in January in Forestville?
Average temperature in January
Forestville, IA
- Average high temperature in January: 23.7°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in January: 11.3°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in January
Forestville, IA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Forestville, IA
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Forestville, IA
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Forestville, IA
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is June (4.65").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in January
Forestville, IA
- Average rainfall days in January: 4 days
The month with the highest number of rainy days is June (19.4 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in January
Forestville, IA
- Average snowfall in January: 5.12"
The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Forestville, IA
- Average snowfall days in January: 12.4 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Forestville, 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 4min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Forestville, IA
- Average sunshine days in January: 15.6 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is June (8.2 days).
Average UV index in January
Forestville, IA
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Forestville, IA
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Forestville, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Forestville, Iowa, USA
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