Annual mean 9°C · wettest around July · prevailing wind SW
Warmest
22.8 °C
Coldest
-1.8 °C
Wettest
19%
Windiest
4.8 m/s
Prevailing
SW
3.8 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 Suwałki over the whole year is 9°C. August is the hottest month, with highs of about 22°C; January is the coldest, with lows of about -2°C. Suwałki has no sharply defined rainy season: the chance of rain on a given day runs from 9% in September, the driest month, to 17% in July, the wettest. Winds in Suwałki are highest in January, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Suwałki come in August, when the sky is typically 55% covered; December is the cloudiest month, at 90%.
Month by month Suwałki 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
-6°C
15%
87%
3.8 m/s
0
0
0
February
1°C
-1°C
-4°C
15%
80%
3.6 m/s
0
0
2
March
5°C
-0°C
-0°C
10%
71%
3.4 m/s
0
0
12
April
11°C
4°C
6°C
11%
63%
3.5 m/s
10
0
44
May
16°C
8°C
13°C
13%
57%
2.9 m/s
40
2
74
June
21°C
14°C
19°C
14%
56%
2.8 m/s
75
17
72
July
22°C
15°C
20°C
17%
61%
2.7 m/s
78
20
65
August
22°C
14°C
21°C
14%
55%
2.4 m/s
79
24
63
September
18°C
10°C
15°C
9%
58%
2.7 m/s
54
5
81
October
11°C
7°C
7°C
16%
74%
3.3 m/s
7
0
54
November
4°C
3°C
-0°C
12%
89%
3.3 m/s
0
0
12
December
0°C
-1°C
-5°C
15%
90%
3.8 m/s
0
0
0
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 Suwałki weather by season
Year round, Suwałki has days of about -1°C at their warmest in January, its coolest month, and 22°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 9°C around the clock. Rain is most likely around July and least likely around September. 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.
Suwałki weather in winterDecember to February
High 0°CLow -1°CRain 15%
Winter in Suwałki has typical daily highs of about 0°C and lows of about -1°C, with a 15% chance of rain on a given day.
Suwałki weather in springMarch to May
High 11°CLow 4°CRain 11%
Spring in Suwałki has typical daily highs of about 11°C and lows of about 4°C, with a 11% chance of rain on a given day.
Suwałki weather in summerJune to August
High 22°CLow 15°CRain 15%
Summer in Suwałki has typical daily highs of about 22°C and lows of about 15°C, with a 15% chance of rain on a given day.
Suwałki weather in autumnSeptember to November
High 11°CLow 6°CRain 12%
Autumn in Suwałki has typical daily highs of about 11°C and lows of about 6°C, with a 12% chance of rain on a given day.
When is the rainy season in Suwałki?
Suwałki has no sharply defined rainy season: the chance of rain on a given day runs from 9% in September, the driest month, to 17% in July, the wettest.
What time of year is Suwałki windiest?
Winds in Suwałki are highest in January, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.4 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Suwałki year round?
The average temperature in Suwałki over the whole year is 9°C. August is the hottest month, with highs of about 22°C; January is the coldest, with lows of about -2°C.