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, marked by an average high-temperature of 22.3°F (-5.4°C) and a low-temperature of 9.7°F (-12.4°C), is the coldest month.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 89%.Rainfall
The month with the least rainfall is January, when the rain falls for 4.5 days and typically collects 1.1" (28mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Spillville, Iowa, in January, during 14.3 snowfall days, 5.63" (143mm) of snow is typically accumulated. In Spillville, during the entire year, snow falls for 60.9 days and aggregates up to 24.37" (619mm) of snow.Daylight
In Spillville, the average length of the day in January is 9h and 25min.On the first day of January, sunrise is at 7:39 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:17 pm CST.
Sunshine
January has the least sunshine of the year in Spillville, with an average of 3.5h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Spillville. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 1 in January translates into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. It's recommended to limit sun exposure when its radiation is at its peak during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What are the most humid months?
What is the average humidity in January?
What is the driest month?
How much does it rain in Spillville in January?
How much does it snow in January?
How many hours of daylight does Spillville have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine in Spillville?
How many hours of sunshine does Spillville have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Spillville, IA
- Average high temperature in January: 22.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in January: 9.7°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in January
Spillville, IA
- Average pressure in January: 30.13"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Spillville, IA
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Spillville, IA
- Average humidity in January: 89%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is October (76%).
Average rainfall in January
Spillville, IA
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is June (5.04").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Spillville, IA
- Average rainfall days in January: 4.5 days
The months with the highest number of rainy days are May and June (20.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in January
Spillville, IA
- Average snowfall in January: 5.63"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Spillville, IA
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Spillville, IA
- Average daylight in January: 9h and 2min
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 0min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Spillville, IA
- Average sunshine days in January: 14 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (7.1 days).
Average UV index in January
Spillville, IA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Spillville, IA
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Spillville, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Spillville, Iowa, USA
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