Annual mean 10°C · wettest around June · prevailing wind SW
Warmest
20.9 °C
Coldest
3.4 °C
Wettest
44%
Windiest
7.0 m/s
Prevailing
SW
5.8 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 Flensburg over the whole year is 10°C. August is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 2°C. Flensburg has no sharply defined rainy season: the chance of rain on a given day runs from 30% in August, the driest month, to 40% in June, the wettest. Winds in Flensburg are highest in January, averaging 5.9 m/s (21 km/h), and lightest in August, at 4.2 m/s (15 km/h). The prevailing wind is from the SW. The clearest skies in Flensburg come in August, when the sky is typically 57% covered; December is the cloudiest month, at 81%.
Month by month Flensburg 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
4°C
2°C
-2°C
39%
77%
5.9 m/s
0
0
2
February
5°C
3°C
-1°C
38%
72%
5.9 m/s
0
0
5
March
7°C
3°C
1°C
34%
70%
5.1 m/s
0
0
12
April
11°C
5°C
5°C
39%
58%
5.0 m/s
4
0
37
May
15°C
10°C
11°C
35%
58%
4.8 m/s
28
0
67
June
19°C
14°C
16°C
40%
59%
4.5 m/s
55
5
75
July
20°C
15°C
17°C
30%
62%
4.5 m/s
59
8
72
August
21°C
15°C
18°C
30%
57%
4.2 m/s
68
9
71
September
18°C
13°C
15°C
35%
62%
4.2 m/s
48
3
76
October
13°C
10°C
9°C
38%
70%
4.9 m/s
8
0
61
November
8°C
6°C
3°C
34%
75%
4.9 m/s
0
0
22
December
5°C
4°C
-1°C
34%
81%
5.5 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 Flensburg weather by season
Year round, Flensburg has days of about 4°C at their warmest in January, its coolest month, and 21°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 June 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.
Flensburg weather in winterDecember to February
High 4°CLow 3°CRain 37%
Winter in Flensburg has typical daily highs of about 4°C and lows of about 3°C, with a 37% chance of rain on a given day.
Flensburg weather in springMarch to May
High 11°CLow 6°CRain 36%
Spring in Flensburg has typical daily highs of about 11°C and lows of about 6°C, with a 36% chance of rain on a given day.
Flensburg weather in summerJune to August
High 20°CLow 15°CRain 33%
Summer in Flensburg has typical daily highs of about 20°C and lows of about 15°C, with a 33% chance of rain on a given day.
Flensburg weather in autumnSeptember to November
High 13°CLow 9°CRain 36%
Autumn in Flensburg has typical daily highs of about 13°C and lows of about 9°C, with a 36% chance of rain on a given day.
When is the rainy season in Flensburg?
Flensburg has no sharply defined rainy season: the chance of rain on a given day runs from 30% in August, the driest month, to 40% in June, the wettest.
What time of year is Flensburg windiest?
Winds in Flensburg are highest in January, averaging 5.9 m/s (21 km/h), and lightest in August, at 4.2 m/s (15 km/h). The prevailing wind is from the SW.
What is the average temperature in Flensburg year round?
The average temperature in Flensburg over the whole year is 10°C. August is the hottest month, with highs of about 21°C; January is the coldest, with lows of about 2°C.