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 of the year, registering average temperatures as high as 23.9°F (-4.5°C) and as low as 12.7°F (-10.7°C).Humidity
January is the most humid month, with an average relative humidity of 88%.Rainfall
In Hartford, in January, it is raining for 4.9 days, with typically 1.3" (33mm) of accumulated precipitation. In Hartford, during the entire year, the rain falls for 141.6 days and collects up to 25.67" (652mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Hartford, in January, snow falls for 15.1 days, with typically accumulated 4.33" (110mm) of snow. Throughout the year, there are 60.3 snowfall days, and 17.72" (450mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 25min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:28 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:03 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.3h of sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In January, the maximum UV index of 1 transforms into these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Stay alert! Snow's reflective properties 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 are the coldest months?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Hartford have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Hartford, WI
- Average high temperature in January: 23.9°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in January: 12.7°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in January
Hartford, WI
- Average pressure in January: 30.09"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Hartford, WI
- Average wind speed in January: 10.4mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
Hartford, WI
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Hartford, WI
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is June (3.11").
The driest months (with the least rainfall) are February and December (1.18").
Average rainfall days in January
Hartford, WI
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in January
Hartford, WI
- Average snowfall in January: 4.33"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hartford, WI
- Average snowfall days in January: 15.1 days
The month with the highest number of snowfall days is January (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hartford, WI
- 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Hartford, WI
- Average sunshine days in January: 12.3 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in January
Hartford, WI
- 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, November and December (UV index 1).
Average cloud cover in January
Hartford, WI
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in January
Hartford, WI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Hartford, Wisconsin, USA
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