Annual mean 7°C · wettest around January · prevailing wind SW
Warmest
21.9 °C
Coldest
-4.7 °C
Wettest
23%
Windiest
3.9 m/s
Prevailing
SW
3.2 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 Viljandi over the whole year is 7°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -4°C. Viljandi has no sharply defined rainy season: the chance of rain on a given day runs from 9% in May, the driest month, to 21% in January, the wettest. Winds in Viljandi are highest in January, averaging 3.0 m/s (11 km/h), and lightest in August, at 2.2 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Viljandi come in June, when the sky is typically 48% covered; November is the cloudiest month, at 87%.
Month by month Viljandi 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
-3°C
-4°C
-7°C
21%
84%
3.0 m/s
0
0
0
February
-1°C
-3°C
-6°C
19%
78%
2.9 m/s
0
0
0
March
2°C
-2°C
-2°C
12%
64%
2.8 m/s
0
0
4
April
9°C
2°C
4°C
15%
60%
2.9 m/s
5
0
32
May
15°C
8°C
11°C
9%
49%
2.5 m/s
33
2
69
June
20°C
13°C
18°C
12%
48%
2.5 m/s
62
13
72
July
21°C
15°C
20°C
12%
55%
2.3 m/s
76
21
65
August
20°C
14°C
19°C
14%
56%
2.2 m/s
77
12
73
September
15°C
10°C
13°C
10%
59%
2.3 m/s
40
2
82
October
8°C
5°C
5°C
17%
71%
2.8 m/s
2
0
39
November
3°C
2°C
-1°C
21%
87%
2.9 m/s
0
0
8
December
-1°C
-2°C
-5°C
19%
86%
2.9 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 Viljandi weather by season
Year round, Viljandi has days of about -3°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from -4°C to 15°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 May. 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.
Viljandi weather in winterDecember to February
High -2°CLow -3°CRain 20%
Winter in Viljandi has typical daily highs of about -2°C and lows of about -3°C, with a 20% chance of rain on a given day.
Viljandi weather in springMarch to May
High 9°CLow 3°CRain 12%
Spring in Viljandi has typical daily highs of about 9°C and lows of about 3°C, with a 12% chance of rain on a given day.
Viljandi weather in summerJune to August
High 20°CLow 14°CRain 13%
Summer in Viljandi has typical daily highs of about 20°C and lows of about 14°C, with a 13% chance of rain on a given day.
Viljandi weather in autumnSeptember to November
High 9°CLow 6°CRain 16%
Autumn in Viljandi has typical daily highs of about 9°C and lows of about 6°C, with a 16% chance of rain on a given day.
When is the rainy season in Viljandi?
Viljandi has no sharply defined rainy season: the chance of rain on a given day runs from 9% in May, the driest month, to 21% in January, the wettest.
What time of year is Viljandi windiest?
Winds in Viljandi are highest in January, averaging 3.0 m/s (11 km/h), and lightest in August, at 2.2 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Viljandi year round?
The average temperature in Viljandi over the whole year is 7°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -4°C.