Annual mean 11°C · wettest around November · prevailing wind SW
Warmest
21.4 °C
Coldest
5.3 °C
Wettest
51%
Windiest
8.0 m/s
Prevailing
SW
6.9 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 Alkmaar over the whole year is 11°C. August is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 4°C. The rainy (wet) season in Alkmaar runs from October to March, peaking in November with a 49% chance of rain on a given day. The dry season is April to September; May is the driest month, at 24%. Winds in Alkmaar are highest in February, averaging 7.4 m/s (27 km/h), and lightest in May, at 5.6 m/s (20 km/h). The prevailing wind is from the SW. The clearest skies in Alkmaar come in August, when the sky is typically 51% covered; December is the cloudiest month, at 75%.
Month by month Alkmaar 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%
7.3 m/s
0
0
5
February
7°C
4°C
0°C
43%
66%
7.4 m/s
0
0
11
March
9°C
5°C
3°C
38%
59%
6.5 m/s
1
0
22
April
12°C
7°C
6°C
32%
54%
6.0 m/s
7
0
47
May
16°C
11°C
12°C
24%
53%
5.6 m/s
31
1
73
June
19°C
15°C
16°C
25%
52%
5.7 m/s
59
8
76
July
20°C
16°C
18°C
27%
54%
5.6 m/s
68
9
75
August
21°C
17°C
18°C
29%
51%
5.6 m/s
70
12
71
September
19°C
14°C
15°C
35%
55%
5.6 m/s
55
6
77
October
14°C
11°C
10°C
41%
65%
6.7 m/s
14
0
69
November
10°C
7°C
4°C
49%
68%
6.9 m/s
0
0
31
December
7°C
6°C
1°C
48%
75%
7.2 m/s
0
0
11
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 Alkmaar weather by season
Year round, Alkmaar 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 17°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.
Alkmaar weather in winterDecember to February
High 7°CLow 5°CRain 45%
Winter in Alkmaar has typical daily highs of about 7°C and lows of about 5°C, with a 45% chance of rain on a given day.
Alkmaar weather in springMarch to May
High 12°CLow 8°CRain 31%
Spring in Alkmaar has typical daily highs of about 12°C and lows of about 8°C, with a 31% chance of rain on a given day.
Alkmaar weather in summerJune to August
High 20°CLow 16°CRain 27%
Summer in Alkmaar has typical daily highs of about 20°C and lows of about 16°C, with a 27% chance of rain on a given day.
Alkmaar weather in autumnSeptember to November
High 14°CLow 11°CRain 42%
Autumn in Alkmaar has typical daily highs of about 14°C and lows of about 11°C, with a 42% chance of rain on a given day.
When is the rainy season in Alkmaar?
The rainy (wet) season in Alkmaar runs from October to March, peaking in November with a 49% chance of rain on a given day. The dry season is April to September; May is the driest month, at 24%.
What time of year is Alkmaar windiest?
Winds in Alkmaar are highest in February, averaging 7.4 m/s (27 km/h), and lightest in May, at 5.6 m/s (20 km/h). The prevailing wind is from the SW.
What is the average temperature in Alkmaar year round?
The average temperature in Alkmaar over the whole year is 11°C. August is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 4°C.