January weather forecast
Hamletsburg, IL

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Weather in January

January, the same as December, is another cold winter month in Hamletsburg, Illinois, with an average temperature fluctuating between 41.7°F (5.4°C) and 28.8°F (-1.8°C).

Temperature

January stands out as Hamletsburg's coldest month, with an average high-temperature of 41.7°F (5.4°C) and a low-temperature of 28.8°F (-1.8°C).

Humidity

The average relative humidity in January is 76%.

Rainfall

In January, the rain falls for 5.8 days. Throughout January, 0.51" (13mm) of precipitation is accumulated. In Hamletsburg, Illinois, during the entire year, the rain falls for 94.8 days and collects up to 8.7" (221mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Hamletsburg, during January, snow falls for 3 days and regularly aggregates up to 0.2" (5mm) of snow. Throughout the year, there are 11 snowfall days, and 0.83" (21mm) of snow is accumulated.

Daylight

In January, the average length of the day in Hamletsburg is 9h and 57min.
On the first day of January, sunrise is at 7:07 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:16 pm CST.

Sunshine

The months with the least sunshine are January and February, with an average of 4.6h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Hamletsburg. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: In January, a regular UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Hamletsburg?

January is the month that records the lowest temperatures in Hamletsburg, Illinois, with averages ranging from a high of 41.7°F (5.4°C) to a low of 28.8°F (-1.8°C).

How cold is January in Hamletsburg?

January temperatures vary between a high-temperature of 41.7°F (5.4°C) and a low-temperature of 28.8°F (-1.8°C).

What is the average humidity in January in Hamletsburg?

The average relative humidity in January in Hamletsburg, Illinois, is 76%.

How much does it rain in Hamletsburg in January?

In Hamletsburg, Illinois, during January, the rain falls for 5.8 days and regularly aggregates up to 0.51" (13mm) of precipitation.

How much does it snow in Hamletsburg in January?

In Hamletsburg, Illinois, in January, snow falls for 3 days, with typically accumulated 0.2" (5mm) of snow.

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

The average day length in January in Hamletsburg, Illinois, is 9h and 57min.

When is the sunrise / sunset in January in Hamletsburg?

On the first day of January in Hamletsburg, Illinois, sunrise is at 7:07 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:16 pm CST.

What is the month with the least sunshine in Hamletsburg?

The months with the least sunshine are January and February, with an average of 4.6h of sunshine.

How many hours of sunshine does Hamletsburg have in January?

In Hamletsburg, Illinois, the average sunshine duration in January is 4.6h.

What are the months with the lowest UV index in Hamletsburg?

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

What is the UV index reading in January in Hamletsburg?

The average daily maximum UV index in January in Hamletsburg is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Hamletsburg, IL

Average temperature in January - Hamletsburg, IL
  • Average high temperature in January: 41.7°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.7°F).

  • Average low temperature in January: 28.8°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in January
Hamletsburg, IL

Average pressure in January - Hamletsburg, IL
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Hamletsburg, IL

Average wind speed in January - Hamletsburg, IL
  • Average wind speed in January: 8.9mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

Average humidity in January
Hamletsburg, IL

Average humidity in January - Hamletsburg, IL
  • Average humidity in January: 76%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Hamletsburg, IL

Average rainfall in January - Hamletsburg, IL
  • Average rainfall in January: 0.51"

The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days in January
Hamletsburg, IL

Average rainfall days in January - Hamletsburg, IL
  • Average rainfall days in January: 5.8 days

The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is November (5.7 days).

Average snowfall in January
Hamletsburg, IL

Average snowfall in January - Hamletsburg, IL
  • Average snowfall in January: 0.2"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Hamletsburg, IL

Average snowfall days in January - Hamletsburg, IL
  • Average snowfall days in January: 3 days

The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Hamletsburg, IL
  • Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in January
Hamletsburg, IL

Average sunshine days in January - Hamletsburg, IL
  • Average sunshine days in January: 22.6 days

The month with the most sunshine days is October (23.3 days).
The month with the least sunshine days is July (15.7 days).

Average UV index in January
Hamletsburg, IL

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

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

Average cloud cover in January
Hamletsburg, IL

Average cloud cover in January - Hamletsburg, IL
  • Average cloud cover in January: 50

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

Average visibility in January
Hamletsburg, IL

Average visibility in January - Hamletsburg, 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).

Hamletsburg, Illinois, USA

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