Annual mean 7°C · wettest around January · prevailing wind W
Warmest
20.9 °C
Coldest
-2.1 °C
Wettest
22%
Windiest
5.7 m/s
Prevailing
W
4.5 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 Třinec over the whole year is 7°C. August is the hottest month, with highs of about 20°C; January is the coldest, with lows of about -3°C. Třinec has no sharply defined rainy season: the chance of rain on a given day runs from 12% in August, the driest month, to 18% in January, the wettest. Winds in Třinec are highest in December, averaging 5.5 m/s (20 km/h), and lightest in July, at 3.5 m/s (13 km/h). The prevailing wind is from the W. The clearest skies in Třinec come in August, when the sky is typically 57% covered; December is the cloudiest month, at 82%.
Month by month Třinec 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
-3°C
-8°C
18%
79%
5.3 m/s
0
0
2
February
1°C
-2°C
-5°C
17%
78%
5.3 m/s
0
0
5
March
4°C
-1°C
-1°C
13%
72%
4.7 m/s
1
0
18
April
9°C
3°C
4°C
15%
67%
4.5 m/s
12
0
41
May
13°C
8°C
10°C
16%
67%
4.0 m/s
29
1
62
June
19°C
13°C
17°C
12%
60%
3.6 m/s
58
14
69
July
20°C
14°C
18°C
14%
62%
3.5 m/s
62
18
65
August
20°C
14°C
19°C
12%
57%
3.5 m/s
62
22
63
September
16°C
10°C
13°C
14%
62%
3.9 m/s
43
6
67
October
11°C
6°C
6°C
15%
68%
5.0 m/s
15
0
49
November
4°C
2°C
-1°C
14%
78%
5.1 m/s
1
0
18
December
0°C
-1°C
-6°C
18%
82%
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 Třinec weather by season
Year round, Třinec 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 -3°C to 14°C through the year, and the average temperature over the year is 7°C around the clock. Rain is most likely around January 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.
Třinec weather in winterDecember to February
High -0°CLow -2°CRain 18%
Winter in Třinec has typical daily highs of about -0°C and lows of about -2°C, with a 18% chance of rain on a given day.
Třinec weather in springMarch to May
High 9°CLow 4°CRain 15%
Spring in Třinec has typical daily highs of about 9°C and lows of about 4°C, with a 15% chance of rain on a given day.
Třinec weather in summerJune to August
High 20°CLow 14°CRain 13%
Summer in Třinec has typical daily highs of about 20°C and lows of about 14°C, with a 13% chance of rain on a given day.
Třinec weather in autumnSeptember to November
High 10°CLow 6°CRain 14%
Autumn in Třinec has typical daily highs of about 10°C and lows of about 6°C, with a 14% chance of rain on a given day.
When is the rainy season in Třinec?
Třinec has no sharply defined rainy season: the chance of rain on a given day runs from 12% in August, the driest month, to 18% in January, the wettest.
What time of year is Třinec windiest?
Winds in Třinec are highest in December, averaging 5.5 m/s (20 km/h), and lightest in July, at 3.5 m/s (13 km/h). The prevailing wind is from the W.
What is the average temperature in Třinec year round?
The average temperature in Třinec over the whole year is 7°C. August is the hottest month, with highs of about 20°C; January is the coldest, with lows of about -3°C.