Galena
Illinois, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and Climate
Galena, IL

  • The average high temperature in January: -2.2°C

The warmest month (with the highest average high temperature) is July (28.3°C).
The month with the lowest average high temperature is January (-2.2°C).

  • The average low temperature in January: -12.2°C

The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is January (-12.2°C).

  • The average rainfall in January: 28.7mm

The wettest month (with the highest rainfall) is June (127mm).
The driest month (with the lowest rainfall) is January (28.7mm).

  • The average rainfall days in January: 9 days

The month with the highest number of rainy days is April (12 days).
The month with the lowest number of rainy days is February (8 days).

  • The average daylight in January: 9h

Months with the longest days are May, June and July (Average daylight: 15h).
Months with shortest days are January and December (Average daylight: 9h).

  • The average sunshine in January: 5h

Months with most sunshine are May, June, July and August (Average sunshine: 10h).
Months with least sunshine are November and December (Average sunshine: 4).

  • The average UV index in January: 1

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).

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