January weather forecast
Dorsey, IL

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Weather in January

January, like December, in Dorsey, Illinois, is a wintry winter month, with an average temperature ranging between max 36°F (2.2°C) and min 23°F (-5°C).

Temperature

Dorsey's coldest month, January, registers temperatures that range from a high of 36°F (2.2°C) to a low of 23°F (-5°C).

Humidity

The average relative humidity in January in Dorsey is 77%.

Rainfall

In Dorsey, in January, during 5.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Dorsey, during the entire year, the rain falls for 115.4 days and collects up to 13.23" (336mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Dorsey. The month with the most snowfall is January, when snow falls for 5.1 days and typically aggregates up to 0.87" (22mm) of snow.

Daylight

In January, the average length of the day in Dorsey is 9h and 48min.
On the first day of the month, sunrise is at 7:18 am and sunset at 4:48 pm. On the last day of January, in Dorsey, sunrise is at 7:07 am and sunset at 5:19 pm CST.

Sunshine

The month with the least sunshine is January, with an average of 4.4h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 2 in January leads to these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the coldest month in Dorsey?

January is Dorsey's coldest month, registering average high temperatures of 36°F (2.2°C) and lows of 23°F (-5°C).

How cold is it in Dorsey in January?

In Dorsey, in January, the average high-temperature is 36°F (2.2°C), and the average low-temperature is 23°F (-5°C).

What is the average humidity in January in Dorsey?

In January, the average relative humidity in Dorsey is 77%.

How much does it rain in Dorsey in January?

In Dorsey, during January, the rain falls for 5.3 days and regularly aggregates up to 0.71" (18mm) of precipitation.

What is the snowiest month in Dorsey?

January is the month with the most snowfall in Dorsey, Illinois. Snow falls for 5.1 days and accumulates 0.87" (22mm) of snow.

How many days does it snow in January in Dorsey?

In Dorsey, during January, snow falls for 5.1 days and regularly aggregates up to 0.87" (22mm) of snow.

How many hours of daylight does Dorsey have in January?

The average day length in January in Dorsey is 9h and 48min.

When is the sunrise / sunset in January in Dorsey?

On the first day of January, sunrise is at 7:18 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:19 pm CST.

What is the month with the least sunshine in Dorsey?

January has the least sunshine of the year, with an average of 4.4h of sunshine.

How long on average sun shines in January in Dorsey?

In Dorsey, Illinois, the average sunshine duration in January is 4.4h.

When is the lowest UV index in Dorsey?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in January in Dorsey?

The average daily maximum UV index in January in Dorsey is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Dorsey, IL

Average temperature in January - Dorsey, IL
  • Average high temperature in January: 36°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in January: 23°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23°F).

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Average pressure in January
Dorsey, IL

Average pressure in January - Dorsey, IL
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in January
Dorsey, IL

Average wind speed in January - Dorsey, IL
  • Average wind speed in January: 9.9mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

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Average humidity in January
Dorsey, IL

Average humidity in January - Dorsey, IL
  • Average humidity in January: 77%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in January
Dorsey, IL

Average rainfall in January - Dorsey, IL
  • Average rainfall in January: 0.71"

The wettest month (with the highest rainfall) is August (1.77").
The driest month (with the least rainfall) is February (0.55").

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Average rainfall days in January
Dorsey, IL

Average rainfall days in January - Dorsey, IL
  • Average rainfall days in January: 5.3 days

The months with the highest number of rainy days are May and July (13.8 days).
The month with the least rainy days is December (5.1 days).

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Average snowfall in January
Dorsey, IL

Average snowfall in January - Dorsey, IL
  • Average snowfall in January: 0.87"

The month with the highest snowfall is January (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Dorsey, IL

Average snowfall days in January - Dorsey, IL
  • Average snowfall days in January: 5.1 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Dorsey, IL

Average daylight in January / Average sunshine in January - Dorsey, IL
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in January
Dorsey, IL

Average sunshine days in January - Dorsey, IL
  • Average sunshine days in January: 22.4 days

The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is June (13.8 days).

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Average UV index in January
Dorsey, IL

Average UV index in January - Dorsey, IL
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Dorsey, IL

Average cloud cover in January - Dorsey, IL
  • Average cloud cover in January: 53

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).

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Average visibility in January
Dorsey, IL

Average visibility in January - Dorsey, IL
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Dorsey, Illinois, USA

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