Annual mean 11°C · wettest around November · prevailing wind SW
Warmest
21.8 °C
Coldest
5.1 °C
Wettest
51%
Windiest
7.3 m/s
Prevailing
SW
6.2 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 Oostzaan over the whole year is 11°C. August is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 4°C. Oostzaan has no sharply defined rainy season: the chance of rain on a given day runs from 25% in May, the driest month, to 47% in November, the wettest. Winds in Oostzaan are highest in February, averaging 6.6 m/s (24 km/h), and lightest in September, at 4.8 m/s (17 km/h). The prevailing wind is from the SW. The clearest skies in Oostzaan come in August, when the sky is typically 50% covered; December is the cloudiest month, at 75%.
Month by month Oostzaan 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
0°C
45%
73%
6.4 m/s
0
0
6
February
7°C
4°C
1°C
43%
65%
6.6 m/s
0
0
13
March
9°C
4°C
3°C
38%
59%
5.8 m/s
2
0
27
April
12°C
7°C
7°C
32%
54%
5.3 m/s
10
0
53
May
16°C
11°C
13°C
25%
52%
5.1 m/s
37
2
76
June
20°C
14°C
17°C
26%
52%
5.1 m/s
65
10
75
July
21°C
16°C
18°C
27%
53%
4.9 m/s
71
10
72
August
21°C
16°C
19°C
28%
50%
4.9 m/s
73
14
69
September
19°C
14°C
16°C
34%
53%
4.8 m/s
59
7
77
October
15°C
11°C
11°C
41%
63%
5.8 m/s
16
0
71
November
9°C
7°C
5°C
47%
67%
5.9 m/s
0
0
33
December
7°C
5°C
2°C
47%
75%
6.3 m/s
0
0
12
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 Oostzaan weather by season
Year round, Oostzaan has days of about 6°C at their warmest in January, its coolest month, and 21°C in August, its warmest; the coolest hours of the day run from 4°C to 16°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around November and least likely around May. 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.
Oostzaan weather in winterDecember to February
High 6°CLow 4°CRain 45%
Winter in Oostzaan has typical daily highs of about 6°C and lows of about 4°C, with a 45% chance of rain on a given day.
Oostzaan weather in springMarch to May
High 13°CLow 7°CRain 31%
Spring in Oostzaan has typical daily highs of about 13°C and lows of about 7°C, with a 31% chance of rain on a given day.
Oostzaan weather in summerJune to August
High 21°CLow 15°CRain 27%
Summer in Oostzaan has typical daily highs of about 21°C and lows of about 15°C, with a 27% chance of rain on a given day.
Oostzaan weather in autumnSeptember to November
High 14°CLow 10°CRain 41%
Autumn in Oostzaan has typical daily highs of about 14°C and lows of about 10°C, with a 41% chance of rain on a given day.
When is the rainy season in Oostzaan?
Oostzaan has no sharply defined rainy season: the chance of rain on a given day runs from 25% in May, the driest month, to 47% in November, the wettest.
What time of year is Oostzaan windiest?
Winds in Oostzaan are highest in February, averaging 6.6 m/s (24 km/h), and lightest in September, at 4.8 m/s (17 km/h). The prevailing wind is from the SW.
What is the average temperature in Oostzaan year round?
The average temperature in Oostzaan over the whole year is 11°C. August is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 4°C.