Annual mean 10°C · wettest around December · prevailing wind SW
Warmest
20.2 °C
Coldest
2.3 °C
Wettest
46%
Windiest
6.5 m/s
Prevailing
SW
5.3 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 Grenaa over the whole year is 10°C. August is the hottest month, with highs of about 19°C; February is the coldest, with lows of about 2°C. Grenaa has no sharply defined rainy season: the chance of rain on a given day runs from 29% in August, the driest month, to 36% in December, the wettest. Winds in Grenaa are highest in January, averaging 5.7 m/s (21 km/h), and lightest in August, at 4.4 m/s (16 km/h). The prevailing wind is from the SW. The clearest skies in Grenaa come in May, when the sky is typically 43% covered; December is the cloudiest month, at 66%.
Month by month Grenaa 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
3°C
2°C
-3°C
33%
65%
5.7 m/s
0
0
1
February
4°C
2°C
-2°C
31%
62%
5.6 m/s
0
0
2
March
5°C
2°C
-0°C
30%
59%
4.9 m/s
0
0
8
April
9°C
5°C
4°C
33%
48%
4.7 m/s
2
0
31
May
14°C
10°C
11°C
34%
43%
4.5 m/s
23
0
66
June
18°C
14°C
15°C
30%
45%
4.5 m/s
55
4
77
July
19°C
15°C
17°C
31%
48%
4.6 m/s
61
8
72
August
19°C
15°C
17°C
29%
46%
4.4 m/s
67
6
74
September
17°C
13°C
14°C
30%
46%
4.4 m/s
45
2
76
October
12°C
10°C
8°C
36%
57%
5.3 m/s
4
0
53
November
7°C
6°C
2°C
33%
66%
5.2 m/s
0
0
19
December
4°C
4°C
-1°C
36%
66%
5.6 m/s
0
0
4
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 Grenaa weather by season
Year round, Grenaa has days of about 3°C at their warmest in January, its coolest month, and 19°C in August, its warmest; the coolest hours of the day run from 2°C to 15°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around December and least likely around August. 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.
Grenaa weather in winterDecember to February
High 4°CLow 3°CRain 33%
Winter in Grenaa has typical daily highs of about 4°C and lows of about 3°C, with a 33% chance of rain on a given day.
Grenaa weather in springMarch to May
High 10°CLow 6°CRain 32%
Spring in Grenaa has typical daily highs of about 10°C and lows of about 6°C, with a 32% chance of rain on a given day.
Grenaa weather in summerJune to August
High 19°CLow 15°CRain 30%
Summer in Grenaa has typical daily highs of about 19°C and lows of about 15°C, with a 30% chance of rain on a given day.
Grenaa weather in autumnSeptember to November
High 12°CLow 10°CRain 33%
Autumn in Grenaa has typical daily highs of about 12°C and lows of about 10°C, with a 33% chance of rain on a given day.
When is the rainy season in Grenaa?
Grenaa has no sharply defined rainy season: the chance of rain on a given day runs from 29% in August, the driest month, to 36% in December, the wettest.
What time of year is Grenaa windiest?
Winds in Grenaa are highest in January, averaging 5.7 m/s (21 km/h), and lightest in August, at 4.4 m/s (16 km/h). The prevailing wind is from the SW.
What is the average temperature in Grenaa year round?
The average temperature in Grenaa over the whole year is 10°C. August is the hottest month, with highs of about 19°C; February is the coldest, with lows of about 2°C.