Annual mean 8°C · wettest around January · prevailing wind W
Warmest
20.8 °C
Coldest
-1.4 °C
Wettest
32%
Windiest
6.1 m/s
Prevailing
W
4.8 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 Jablonec nad Nisou over the whole year is 8°C. August is the hottest month, with highs of about 20°C; January is the coldest, with lows of about -2°C. Jablonec nad Nisou has no sharply defined rainy season: the chance of rain on a given day runs from 16% in April, the driest month, to 29% in January, the wettest. Winds in Jablonec nad Nisou are highest in January, averaging 5.5 m/s (20 km/h), and lightest in August, at 3.3 m/s (12 km/h). The prevailing wind is from the W. The clearest skies in Jablonec nad Nisou come in August, when the sky is typically 62% covered; December is the cloudiest month, at 85%.
Month by month Jablonec nad Nisou 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
-1°C
-2°C
-7°C
29%
83%
5.5 m/s
0
0
2
February
2°C
-1°C
-5°C
26%
79%
5.4 m/s
0
0
6
March
5°C
-0°C
-1°C
20%
74%
4.8 m/s
3
0
20
April
9°C
3°C
4°C
16%
68%
4.4 m/s
12
0
40
May
13°C
8°C
9°C
17%
68%
4.0 m/s
30
1
61
June
19°C
13°C
16°C
18%
64%
3.6 m/s
59
13
63
July
19°C
14°C
17°C
17%
65%
3.5 m/s
60
16
61
August
20°C
13°C
18°C
19%
62%
3.3 m/s
58
20
58
September
16°C
9°C
13°C
17%
65%
3.8 m/s
43
7
63
October
11°C
6°C
6°C
21%
75%
4.7 m/s
14
0
51
November
4°C
2°C
-1°C
23%
82%
4.6 m/s
0
0
16
December
1°C
-1°C
-5°C
27%
85%
5.5 m/s
0
0
3
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 Jablonec nad Nisou weather by season
Year round, Jablonec nad Nisou has days of about -1°C at their warmest in January, its coolest month, and 20°C in August, its warmest; the coolest hours of the day run from -2°C to 14°C through the year, and the average temperature over the year is 8°C around the clock. Rain is most likely around January and least likely around April. 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.
Jablonec nad Nisou weather in winterDecember to February
High 1°CLow -1°CRain 27%
Winter in Jablonec nad Nisou has typical daily highs of about 1°C and lows of about -1°C, with a 27% chance of rain on a given day.
Jablonec nad Nisou weather in springMarch to May
High 9°CLow 4°CRain 18%
Spring in Jablonec nad Nisou has typical daily highs of about 9°C and lows of about 4°C, with a 18% chance of rain on a given day.
Jablonec nad Nisou weather in summerJune to August
High 19°CLow 13°CRain 18%
Summer in Jablonec nad Nisou has typical daily highs of about 19°C and lows of about 13°C, with a 18% chance of rain on a given day.
Jablonec nad Nisou weather in autumnSeptember to November
High 10°CLow 6°CRain 20%
Autumn in Jablonec nad Nisou has typical daily highs of about 10°C and lows of about 6°C, with a 20% chance of rain on a given day.
When is the rainy season in Jablonec nad Nisou?
Jablonec nad Nisou has no sharply defined rainy season: the chance of rain on a given day runs from 16% in April, the driest month, to 29% in January, the wettest.
What time of year is Jablonec nad Nisou windiest?
Winds in Jablonec nad Nisou are highest in January, averaging 5.5 m/s (20 km/h), and lightest in August, at 3.3 m/s (12 km/h). The prevailing wind is from the W.
What is the average temperature in Jablonec nad Nisou year round?
The average temperature in Jablonec nad Nisou over the whole year is 8°C. August is the hottest month, with highs of about 20°C; January is the coldest, with lows of about -2°C.