Annual mean 12°C · wettest around December · prevailing wind SW
Warmest
22.6 °C
Coldest
4.6 °C
Wettest
38%
Windiest
5.9 m/s
Prevailing
SW
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
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 Sint-Niklaas over the whole year is 12°C. August is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 4°C. Sint-Niklaas has no sharply defined rainy season: the chance of rain on a given day runs from 18% in May, the driest month, to 31% in December, the wettest. Winds in Sint-Niklaas are highest in February, averaging 4.8 m/s (17 km/h), and lightest in September, at 3.3 m/s (12 km/h). The prevailing wind is from the SW. The clearest skies in Sint-Niklaas come in June, when the sky is typically 55% covered; December is the cloudiest month, at 79%.
Month by month Sint-Niklaas 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
1°C
29%
77%
4.6 m/s
0
0
9
February
8°C
4°C
2°C
24%
70%
4.8 m/s
0
0
20
March
10°C
5°C
5°C
23%
66%
4.2 m/s
4
0
38
April
13°C
7°C
9°C
18%
58%
3.8 m/s
17
0
63
May
17°C
11°C
14°C
18%
58%
3.6 m/s
45
3
78
June
21°C
15°C
19°C
18%
55%
3.6 m/s
72
16
69
July
22°C
16°C
20°C
18%
58%
3.5 m/s
77
15
66
August
22°C
16°C
21°C
25%
57%
3.4 m/s
76
20
62
September
19°C
13°C
17°C
25%
59%
3.3 m/s
65
9
74
October
15°C
11°C
12°C
27%
68%
3.8 m/s
28
0
76
November
10°C
7°C
6°C
30%
72%
4.1 m/s
1
0
41
December
7°C
5°C
2°C
31%
79%
4.6 m/s
0
0
17
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 Sint-Niklaas weather by season
Year round, Sint-Niklaas has days of about 6°C at their warmest in January, its coolest month, and 22°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 12°C around the clock. Rain is most likely around December 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.
Sint-Niklaas weather in winterDecember to February
High 7°CLow 4°CRain 28%
Winter in Sint-Niklaas has typical daily highs of about 7°C and lows of about 4°C, with a 28% chance of rain on a given day.
Sint-Niklaas weather in springMarch to May
High 14°CLow 8°CRain 20%
Spring in Sint-Niklaas has typical daily highs of about 14°C and lows of about 8°C, with a 20% chance of rain on a given day.
Sint-Niklaas weather in summerJune to August
High 22°CLow 16°CRain 20%
Summer in Sint-Niklaas has typical daily highs of about 22°C and lows of about 16°C, with a 20% chance of rain on a given day.
Sint-Niklaas weather in autumnSeptember to November
High 15°CLow 10°CRain 27%
Autumn in Sint-Niklaas has typical daily highs of about 15°C and lows of about 10°C, with a 27% chance of rain on a given day.
When is the rainy season in Sint-Niklaas?
Sint-Niklaas has no sharply defined rainy season: the chance of rain on a given day runs from 18% in May, the driest month, to 31% in December, the wettest.
What time of year is Sint-Niklaas windiest?
Winds in Sint-Niklaas are highest in February, averaging 4.8 m/s (17 km/h), and lightest in September, at 3.3 m/s (12 km/h). The prevailing wind is from the SW.
What is the average temperature in Sint-Niklaas year round?
The average temperature in Sint-Niklaas over the whole year is 12°C. August is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 4°C.