Annual mean 12°C · wettest around June · prevailing wind NW
Warmest
27.7 °C
Coldest
3.3 °C
Wettest
30%
Windiest
3.4 m/s
Prevailing
NW
2.7 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 Kastamonu over the whole year is 12°C. August is the hottest month, with highs of about 27°C; January is the coldest, with lows of about 0°C. Kastamonu has no sharply defined rainy season: the chance of rain on a given day runs from 8% in July, the driest month, to 21% in June, the wettest. Winds in Kastamonu are highest in July, averaging 2.3 m/s (8 km/h), and lightest in October, at 1.5 m/s (5 km/h). The prevailing wind is from the NW. The clearest skies in Kastamonu come in August, when the sky is typically 33% covered; December is the cloudiest month, at 70%.
Month by month Kastamonu 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
0°C
0°C
17%
70%
1.8 m/s
3
0
18
February
7°C
1°C
3°C
15%
63%
1.9 m/s
3
0
30
March
10°C
3°C
6°C
19%
63%
2.0 m/s
9
0
46
April
15°C
7°C
11°C
16%
56%
2.2 m/s
34
1
71
May
19°C
12°C
17°C
21%
58%
2.0 m/s
60
9
73
June
24°C
15°C
23°C
21%
47%
2.1 m/s
74
37
47
July
26°C
18°C
25°C
8%
35%
2.3 m/s
63
52
32
August
27°C
19°C
26°C
9%
33%
2.3 m/s
59
58
26
September
23°C
14°C
21°C
14%
40%
1.9 m/s
69
30
56
October
17°C
10°C
15°C
14%
46%
1.5 m/s
54
6
75
November
11°C
5°C
9°C
14%
51%
1.7 m/s
20
0
58
December
6°C
3°C
3°C
17%
70%
1.7 m/s
6
0
29
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 Kastamonu weather by season
Year round, Kastamonu has days of about 4°C at their warmest in January, its coolest month, and 27°C in August, its warmest; the coolest hours of the day run from 0°C to 19°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around June and least likely around July. 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.
Kastamonu weather in winterDecember to February
High 6°CLow 1°CRain 16%
Winter in Kastamonu has typical daily highs of about 6°C and lows of about 1°C, with a 16% chance of rain on a given day.
Kastamonu weather in springMarch to May
High 14°CLow 7°CRain 18%
Spring in Kastamonu has typical daily highs of about 14°C and lows of about 7°C, with a 18% chance of rain on a given day.
Kastamonu weather in summerJune to August
High 26°CLow 17°CRain 12%
Summer in Kastamonu has typical daily highs of about 26°C and lows of about 17°C, with a 12% chance of rain on a given day.
Kastamonu weather in autumnSeptember to November
High 17°CLow 10°CRain 14%
Autumn in Kastamonu has typical daily highs of about 17°C and lows of about 10°C, with a 14% chance of rain on a given day.
When is the rainy season in Kastamonu?
Kastamonu has no sharply defined rainy season: the chance of rain on a given day runs from 8% in July, the driest month, to 21% in June, the wettest.
What time of year is Kastamonu windiest?
Winds in Kastamonu are highest in July, averaging 2.3 m/s (8 km/h), and lightest in October, at 1.5 m/s (5 km/h). The prevailing wind is from the NW.
What is the average temperature in Kastamonu year round?
The average temperature in Kastamonu over the whole year is 12°C. August is the hottest month, with highs of about 27°C; January is the coldest, with lows of about 0°C.