Annual mean 11°C · wettest around December · prevailing wind S
Warmest
21.8 °C
Coldest
4.6 °C
Wettest
38%
Windiest
3.3 m/s
Prevailing
S
2.6 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Birch Bay over the whole year is 11°C. July is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 3°C. The rainy (wet) season in Birch Bay runs from October to April, peaking in December with a 35% chance of rain on a given day. The dry season is May to September; July is the driest month, at 9%. Winds in Birch Bay are highest in February, averaging 2.5 m/s (9 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the S. The clearest skies in Birch Bay come in July, when the sky is typically 36% covered; December is the cloudiest month, at 72%.
Month by month Birch Bay 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
6°C
4°C
2°C
34%
72%
2.4 m/s
0
0
19
February
6°C
3°C
2°C
31%
70%
2.5 m/s
0
0
19
March
9°C
5°C
6°C
27%
65%
2.3 m/s
2
0
40
April
12°C
7°C
9°C
23%
59%
2.3 m/s
10
0
66
May
16°C
11°C
14°C
17%
54%
2.0 m/s
44
2
84
June
18°C
13°C
17°C
15%
53%
2.0 m/s
65
6
83
July
21°C
15°C
20°C
9%
36%
1.9 m/s
87
18
72
August
21°C
15°C
21°C
10%
41%
1.7 m/s
86
21
68
September
18°C
12°C
17°C
18%
53%
1.7 m/s
72
6
82
October
13°C
9°C
11°C
26%
61%
1.9 m/s
21
0
74
November
9°C
6°C
6°C
34%
70%
2.4 m/s
2
0
40
December
5°C
3°C
2°C
35%
72%
2.3 m/s
0
0
18
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 Birch Bay weather by season
Year round, Birch Bay has days of about 5°C at their warmest in December, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from 3°C to 15°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around December and least likely around July. 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.
Birch Bay weather in winterDecember to February
High 6°CLow 3°CRain 33%
Winter in Birch Bay has typical daily highs of about 6°C and lows of about 3°C, with a 33% chance of rain on a given day.
Birch Bay weather in springMarch to May
High 12°CLow 7°CRain 22%
Spring in Birch Bay has typical daily highs of about 12°C and lows of about 7°C, with a 22% chance of rain on a given day.
Birch Bay weather in summerJune to August
High 20°CLow 14°CRain 12%
Summer in Birch Bay has typical daily highs of about 20°C and lows of about 14°C, with a 12% chance of rain on a given day.
Birch Bay weather in autumnSeptember to November
High 13°CLow 9°CRain 26%
Autumn in Birch Bay has typical daily highs of about 13°C and lows of about 9°C, with a 26% chance of rain on a given day.
When is the rainy season in Birch Bay?
The rainy (wet) season in Birch Bay runs from October to April, peaking in December with a 35% chance of rain on a given day. The dry season is May to September; July is the driest month, at 9%.
What time of year is Birch Bay windiest?
Winds in Birch Bay are highest in February, averaging 2.5 m/s (9 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the S.
What is the average temperature in Birch Bay year round?
The average temperature in Birch Bay over the whole year is 11°C. July is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 3°C.