Annual mean 22°C · wettest around September · prevailing wind SE
Warmest
32.7 °C
Coldest
15.7 °C
Wettest
81%
Windiest
5.8 m/s
Prevailing
SE
4.7 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Bay City over the whole year is 22°C. August is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 10°C. Bay City has no sharply defined rainy season: the chance of rain on a given day runs from 50% in February, the driest month, to 64% in September, the wettest. Winds in Bay City are highest in April, averaging 4.2 m/s (15 km/h), and lightest in September, at 2.6 m/s (9 km/h). The prevailing wind is from the SE. The clearest skies in Bay City come in August, when the sky is typically 26% covered; February is the cloudiest month, at 62%.
Month by month Bay City 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
16°C
10°C
13°C
55%
52%
3.7 m/s
40
4
60
February
18°C
12°C
16°C
50%
62%
4.0 m/s
54
10
54
March
22°C
16°C
20°C
51%
57%
4.1 m/s
66
21
52
April
25°C
18°C
24°C
58%
54%
4.2 m/s
65
39
34
May
28°C
22°C
29°C
56%
52%
3.9 m/s
26
59
6
June
31°C
25°C
34°C
57%
36%
3.4 m/s
4
36
1
July
32°C
25°C
35°C
57%
29%
2.9 m/s
1
21
0
August
32°C
25°C
36°C
60%
26%
2.7 m/s
2
18
0
September
30°C
23°C
33°C
64%
31%
2.6 m/s
11
38
2
October
27°C
19°C
27°C
61%
34%
2.9 m/s
33
51
19
November
22°C
15°C
20°C
62%
49%
3.2 m/s
54
28
44
December
19°C
12°C
16°C
58%
55%
3.4 m/s
53
12
58
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 Bay City weather by season
Year round, Bay City has days of about 16°C at their warmest in January, its coolest month, and 32°C in August, its warmest; the coolest hours of the day run from 10°C to 25°C through the year, and the average temperature over the year is 22°C around the clock. Rain is most likely around September and least likely around February. 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.
Bay City weather in winterDecember to February
High 18°CLow 11°CRain 54%
Winter in Bay City has typical daily highs of about 18°C and lows of about 11°C, with a 54% chance of rain on a given day.
Bay City weather in springMarch to May
High 25°CLow 19°CRain 55%
Spring in Bay City has typical daily highs of about 25°C and lows of about 19°C, with a 55% chance of rain on a given day.
Bay City weather in summerJune to August
High 32°CLow 25°CRain 58%
Summer in Bay City has typical daily highs of about 32°C and lows of about 25°C, with a 58% chance of rain on a given day.
Bay City weather in autumnSeptember to November
High 26°CLow 19°CRain 62%
Autumn in Bay City has typical daily highs of about 26°C and lows of about 19°C, with a 62% chance of rain on a given day.
When is the rainy season in Bay City?
Bay City has no sharply defined rainy season: the chance of rain on a given day runs from 50% in February, the driest month, to 64% in September, the wettest.
What time of year is Bay City windiest?
Winds in Bay City are highest in April, averaging 4.2 m/s (15 km/h), and lightest in September, at 2.6 m/s (9 km/h). The prevailing wind is from the SE.
What is the average temperature in Bay City year round?
The average temperature in Bay City over the whole year is 22°C. August is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 10°C.