January weather forecast and climate
Grand Rapids, MI

What is the coldest month in Grand Rapids?

January is the coldest month in Grand Rapids, Michigan, with an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 18.1°F (-7.7°C).

What is the temperature in January in Grand Rapids?

The average high-temperature, in January, is 30.7°F (-0.7°C), while the average low-temperature is 18.1°F (-7.7°C).

How much does it rain in Grand Rapids in January?

In Grand Rapids, Michigan, in January, during 16 rainfall days, typically, 2.1" (53.1mm) of precipitation is accumulated.

How many days does it snow in January in Grand Rapids?

In Grand Rapids, in January, snow falls for 14.9 days, with typically accumulated 20.8" (528.3mm) of snow.
Average temperature in January - Grand Rapids, MI
  • Average high temperature in January: 30.7°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in January: 18.1°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average humidity in January - Grand Rapids, MI
  • Average humidity in January: 77.2%

The month with the highest relative humidity is December (79.5%).
The month with the lowest relative humidity is May (65.4%).

Average rainfall in January - Grand Rapids, MI
  • Average rainfall in January: 2.1"

The wettest month (with the highest rainfall) is September (4.3").
The driest month (with the lowest rainfall) is February (1.8").

Average rainfall days in January - Grand Rapids, MI
  • Average rainfall days in January: 16 days

Months with the highest number of rainy days are January and December (16 days).
The month with the lowest number of rainy days is August (9.6 days).

Average snowfall in January - Grand Rapids, MI
  • Average snowfall in January: 20.8"

The month with the highest snowfall is December (21.9").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in January - Grand Rapids, MI
  • Average snowfall days in January: 14.9 days

The month with the highest number of snowfall days is January (14.9 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in January / Average sunshine in January - Grand Rapids, MI
  • Average daylight in January: 9.4h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in January: 2.8h

Months with most sunshine are June and July (Average sunshine: 9.6h).
The month with least sunshine is December (Average sunshine: 2h).

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