Detroit
Michigan, USA
Long term weather forecast
Long term weather forecast

January weather forecast and Climate
Detroit, MI

  • Average high temperature in January: 32°F

Warmest month (with highest average high temperature) is July (83.4°F).
Month with lowest average high temperature is January (32°F).

  • Average low temperature in January: 19.1°F

Month with highest average low temperature is July (63.9°F).
Coldest month (with lowest average low temperature) is January (19.1°F).

  • Average humidity in January: 74.7%

Month with highest relative humidity is December (76.7%).
Month with lowest relative humidity is May (65.3%).

  • Average rainfall in January: 2"

Wettest month (with highest rainfall) is June (3.5").
Driest months (with lowest rainfall) are January and February (2").

  • Average rainfall days in January: 13.1 days

Month with highest number of rainy days is December (13.7 days).
Month with lowest number of rainy days is September (9.5 days).

  • Average snowfall in January: 12.5"

Month with highest snowfall is January (12.5").
Months with lowest snowfall are May, June, July, August and September (0").

  • Average snowfall days in January: 10.4 days

Month with highest number of snowfall days is January (10.4 days).
Months with lowest number of snowfall days are May, June, July, August and September (0 days).

  • Average sea temperature in January: 37°F

Best month for swimming (with highest average sea temperature) is August (73°F).
Coldest months (with lowest average sea temperature) are February and March (36°F).

  • Average daylight in January: 9h

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

  • Average sunshine in January: 3.9h

Month with most sunshine is July (Average sunshine: 10.2).
Month with least sunshine is December (Average sunshine: 2.8).

  • Average UV index in January: 1

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

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