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
The month of January sees the lowest average temperatures, reaching 26.1°F (-3.3°C) at the peak and 13.5°F (-10.3°C) at the low.Humidity
January is the most humid month, with an average relative humidity of 86%.Rainfall
In January, in Andover, the rain falls for 5.2 days. Throughout January, 1.42" (36mm) of precipitation is accumulated. In Andover, Iowa, during the entire year, the rain falls for 149.3 days and collects up to 29.76" (756mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall in Andover is January, when snow falls for 11.7 days and typically aggregates up to 5.12" (130mm) of snow.Daylight
In Andover, the average length of the day in January is 9h and 32min.On the first day of January in Andover, Iowa, sunrise is at 7:28 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:14 pm CST.
Sunshine
The month with the least sunshine in Andover is January, with an average of 3.7h of sunshine.UV index
The months with the lowest UV index in Andover are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 1 during January translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Andover?
How cold is January in Andover?
What is the most humid month in Andover?
What is the average humidity in January in Andover?
How many days does it rain in January in Andover?
What is the snowiest month in Andover?
How many days does it snow in January in Andover?
What is the average length of the day in January in Andover?
When is the sunrise / sunset in January in Andover?
What is the month with the least sunshine in Andover?
How long on average sun shines in January in Andover?
When is the lowest UV index in Andover?
What is the UV index reading in January in Andover?
Average temperature in January
Andover, IA
- Average high temperature in January: 26.1°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in January: 13.5°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in January
Andover, IA
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Andover, IA
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Andover, IA
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Andover, IA
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in January
Andover, IA
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in January
Andover, IA
- Average snowfall in January: 5.12"
The month with the highest snowfall is January (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Andover, IA
- Average snowfall days in January: 11.7 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Andover, IA
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Andover, IA
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in January
Andover, IA
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Andover, IA
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in January
Andover, IA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Andover, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location