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, recording an average high temperature of 18.9°F (-7.3°C) and a low temperature of 6.4°F (-14.2°C), is Dorchester's coldest month.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 92%.Rainfall
January is the month with the least rainfall in Dorchester. Rain falls for 1.5 days and accumulates 0.35" (9mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, in Dorchester, it is snowing for 13.3 days. Throughout January, 1.73" (44mm) of snow is accumulated. In Dorchester, Wisconsin, during the entire year, snow falls for 58.8 days and aggregates up to 10.83" (275mm) of snow.Daylight
In January, the average length of the day in Dorchester is 9h and 14min.On the first day of the month, sunrise is at 7:39 am and sunset at 4:30 pm. On the last day of January, in Dorchester, Wisconsin, sunrise is at 7:22 am and sunset at 5:07 pm CST.
Sunshine
With an average of 2.7h of sunshine, January has the least sunshine of the year in Dorchester.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Dorchester. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 1 in January interprets into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Dorchester?
How cold is it in Dorchester in January?
What is the most humid month in Dorchester?
What is the average humidity in January in Dorchester?
What is the driest month in Dorchester?
How much does it rain in Dorchester in January?
How much does it snow in Dorchester in January?
How many hours of daylight does Dorchester have in January?
When are sunrise and sunset in January in Dorchester?
What is the month with the least sunshine in Dorchester?
How long on average sun shines in January in Dorchester?
What is the month with the lowest UV index in Dorchester?
What is the UV index intensity in January in Dorchester?
Average temperature in January
Dorchester, WI
- Average high temperature in January: 18.9°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (18.9°F).
- Average low temperature in January: 6.4°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (6.4°F).
Average pressure in January
Dorchester, WI
- Average pressure in January: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Dorchester, WI
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Dorchester, WI
- Average humidity in January: 92%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in January
Dorchester, WI
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is June (1.61").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in January
Dorchester, WI
- Average rainfall days in January: 1.5 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (1.5 days).
Average snowfall in January
Dorchester, WI
- Average snowfall in January: 1.73"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Dorchester, WI
- Average snowfall days in January: 13.3 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dorchester, WI
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 2h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in January
Dorchester, WI
- Average sunshine days in January: 20.1 days
The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in January
Dorchester, WI
- Average UV index in January: 1
The months with the highest UV index are 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
Dorchester, WI
- Average cloud cover in January: 74
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in January
Dorchester, WI
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, March, July, August, September and December (5mi).
Dorchester, Wisconsin, USA
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