Annual mean 10°C · wettest around January · prevailing wind SW
Warmest
26.4 °C
Coldest
-2.5 °C
Wettest
24%
Windiest
6.2 m/s
Prevailing
SW
5.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Grand Rapids over the whole year is 10°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -4°C. Grand Rapids has no sharply defined rainy season: the chance of rain on a given day runs from 16% in September, the driest month, to 22% in January, the wettest. Winds in Grand Rapids are highest in February, averaging 4.7 m/s (17 km/h), and lightest in August, at 3.1 m/s (11 km/h). The prevailing wind is from the SW. The clearest skies in Grand Rapids come in July, when the sky is typically 47% covered; January is the cloudiest month, at 85%.
Month by month Grand Rapids climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-2°C
-4°C
-8°C
22%
85%
4.5 m/s
0
0
1
February
0°C
-4°C
-6°C
20%
72%
4.7 m/s
0
0
4
March
5°C
0°C
-1°C
21%
64%
4.7 m/s
2
0
14
April
11°C
5°C
5°C
21%
63%
4.6 m/s
14
0
40
May
18°C
12°C
14°C
19%
56%
4.0 m/s
46
9
65
June
24°C
17°C
22°C
19%
50%
3.7 m/s
69
29
53
July
26°C
20°C
26°C
20%
47%
3.2 m/s
65
52
28
August
25°C
18°C
25°C
20%
48%
3.1 m/s
68
47
35
September
22°C
15°C
20°C
16%
51%
3.2 m/s
71
22
62
October
15°C
9°C
11°C
22%
63%
4.0 m/s
31
3
59
November
7°C
3°C
1°C
20%
69%
4.5 m/s
5
0
21
December
2°C
-1°C
-5°C
22%
82%
4.6 m/s
0
0
3
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Grand Rapids weather by season
Year round, Grand Rapids has days of about -2°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -4°C to 20°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around January and least likely around September. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Grand Rapids weather in winterDecember to February
High -0°CLow -3°CRain 21%
Winter in Grand Rapids has typical daily highs of about -0°C and lows of about -3°C, with a 21% chance of rain on a given day.
Grand Rapids weather in springMarch to May
High 11°CLow 6°CRain 20%
Spring in Grand Rapids has typical daily highs of about 11°C and lows of about 6°C, with a 20% chance of rain on a given day.
Grand Rapids weather in summerJune to August
High 25°CLow 18°CRain 19%
Summer in Grand Rapids has typical daily highs of about 25°C and lows of about 18°C, with a 19% chance of rain on a given day.
Grand Rapids weather in autumnSeptember to November
High 15°CLow 9°CRain 19%
Autumn in Grand Rapids has typical daily highs of about 15°C and lows of about 9°C, with a 19% chance of rain on a given day.
When is the rainy season in Grand Rapids?
Grand Rapids has no sharply defined rainy season: the chance of rain on a given day runs from 16% in September, the driest month, to 22% in January, the wettest.
What time of year is Grand Rapids windiest?
Winds in Grand Rapids are highest in February, averaging 4.7 m/s (17 km/h), and lightest in August, at 3.1 m/s (11 km/h). The prevailing wind is from the SW.
What is the average temperature in Grand Rapids year round?
The average temperature in Grand Rapids over the whole year is 10°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -4°C.