January weather forecast
Watson, IL

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Weather in January

January, like December, in Watson, Illinois, is an icy winter month, with an average temperature varying between 23°F (-5°C) and 35.2°F (1.8°C).

Temperature

Watson's January weather reaches an average high of 35.2°F (1.8°C) and an average low of 23°F (-5°C), making it the coldest month.

Humidity

The average relative humidity in January in Watson is 78%.

Rainfall

In Watson, in January, it is raining for 6.9 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 135.9 rainfall days, and 21.89" (556mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. January is the month with the most snowfall in Watson. Snow falls for 4.8 days and accumulates 1.18" (30mm) of snow.

Daylight

In Watson, Illinois, the average length of the day in January is 9h and 48min.
On the first day of January in Watson, sunrise is at 7:13 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:13 pm CST.

Sunshine

January has the least sunshine of the year in Watson, with an average of 4.3h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Watson. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 2 in January translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Watson?

Temperature readings reach their annual highs in January, averaging 35.2°F (1.8°C) and a minimum average of 23°F (-5°C).

How cold is January in Watson?

In January, the average high-temperature and low-temperature in Watson, Illinois, are 35.2°F (1.8°C) and 23°F (-5°C) respectively.

What is the average humidity in January in Watson?

The average relative humidity in January is 78%.

How much does it rain in Watson in January?

In Watson, during January, the rain falls for 6.9 days and regularly aggregates up to 1.46" (37mm) of precipitation.

What is the snowiest month in Watson?

The month with the most snowfall in Watson, Illinois, is January, when snow falls for 4.8 days and typically aggregates up to 1.18" (30mm) of snow.

How much does it snow in Watson in January?

In Watson, in January, during 4.8 snowfall days, 1.18" (30mm) of snow is typically accumulated.

What is the average length of the day in January in Watson?

In January, the average day length in Watson, Illinois, is 9h and 48min.

When is the sunrise / sunset in January in Watson?

In January, on the first day of the month, sunrise is at 7:13 am and sunset at 4:42 pm. On the last day of the month, in Watson, Illinois, sunrise is at 7:01 am and sunset at 5:13 pm CST.

What is the month with the least sunshine in Watson?

The month with the least sunshine in Watson is January, with an average of 4.3h of sunshine.

How long on average sun shines in January in Watson?

In Watson, Illinois, the average sunshine duration in January is 4.3h.

When is the lowest UV index in Watson?

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

What is the UV index reading in January in Watson?

In Watson, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Watson, IL

Average temperature in January - Watson, IL
  • Average high temperature in January: 35.2°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in January: 23°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in January
Watson, IL

Average pressure in January - Watson, IL
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in January
Watson, IL

Average wind speed in January - Watson, IL
  • Average wind speed in January: 10.4mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in January
Watson, IL

Average humidity in January - Watson, IL
  • Average humidity in January: 78%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Watson, IL

Average rainfall in January - Watson, IL
  • Average rainfall in January: 1.46"

The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is February (1.06").

Average rainfall days in January
Watson, IL

Average rainfall days in January - Watson, IL
  • Average rainfall days in January: 6.9 days

The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in January
Watson, IL

Average snowfall in January - Watson, IL
  • Average snowfall in January: 1.18"

The month with the highest snowfall is January (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Watson, IL

Average snowfall days in January - Watson, IL
  • Average snowfall days in January: 4.8 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Watson, 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 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in January
Watson, IL

Average sunshine days in January - Watson, IL
  • Average sunshine days in January: 20 days

The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (12.9 days).

Average UV index in January
Watson, IL

Average UV index in January - Watson, 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).

Average cloud cover in January
Watson, IL

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

The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are June and September (Cloud cover 29).

Average visibility in January
Watson, IL

Average visibility in January - Watson, 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).

Watson, Illinois, USA

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