Annual mean 8°C · wettest around January · prevailing wind SW
Warmest
22.0 °C
Coldest
-3.2 °C
Wettest
29%
Windiest
4.9 m/s
Prevailing
SW
4.0 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 Jelgava over the whole year is 8°C. August is the hottest month, with highs of about 22°C; January is the coldest, with lows of about -2°C. Jelgava has no sharply defined rainy season: the chance of rain on a given day runs from 9% in June, the driest month, to 22% in January, the wettest. Winds in Jelgava are highest in January, averaging 3.8 m/s (14 km/h), and lightest in July, at 2.9 m/s (10 km/h). The prevailing wind is from the SW. The clearest skies in Jelgava come in May, when the sky is typically 57% covered; December is the cloudiest month, at 87%.
Month by month Jelgava 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
-2°C
-2°C
-7°C
22%
85%
3.8 m/s
0
0
1
February
0°C
-1°C
-5°C
16%
80%
3.5 m/s
0
0
1
March
4°C
-0°C
-1°C
9%
69%
3.4 m/s
0
0
7
April
10°C
3°C
5°C
11%
64%
3.7 m/s
6
0
36
May
16°C
8°C
12°C
10%
57%
3.0 m/s
35
3
68
June
20°C
13°C
18°C
9%
57%
3.0 m/s
65
14
71
July
21°C
15°C
20°C
11%
59%
2.9 m/s
80
21
67
August
22°C
14°C
20°C
12%
58%
2.9 m/s
78
16
70
September
17°C
10°C
14°C
9%
61%
3.1 m/s
43
2
82
October
10°C
6°C
6°C
15%
74%
3.8 m/s
2
0
44
November
4°C
3°C
-1°C
17%
87%
3.7 m/s
0
0
10
December
0°C
-1°C
-5°C
19%
87%
3.5 m/s
0
0
1
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 Jelgava weather by season
Year round, Jelgava has days of about -2°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 8°C around the clock. Rain is most likely around January and least likely around June. 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.
Jelgava weather in winterDecember to February
High -0°CLow -1°CRain 19%
Winter in Jelgava has typical daily highs of about -0°C and lows of about -1°C, with a 19% chance of rain on a given day.
Jelgava weather in springMarch to May
High 10°CLow 4°CRain 10%
Spring in Jelgava has typical daily highs of about 10°C and lows of about 4°C, with a 10% chance of rain on a given day.
Jelgava weather in summerJune to August
High 21°CLow 14°CRain 10%
Summer in Jelgava has typical daily highs of about 21°C and lows of about 14°C, with a 10% chance of rain on a given day.
Jelgava weather in autumnSeptember to November
High 10°CLow 6°CRain 14%
Autumn in Jelgava 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 Jelgava?
Jelgava has no sharply defined rainy season: the chance of rain on a given day runs from 9% in June, the driest month, to 22% in January, the wettest.
What time of year is Jelgava windiest?
Winds in Jelgava are highest in January, averaging 3.8 m/s (14 km/h), and lightest in July, at 2.9 m/s (10 km/h). The prevailing wind is from the SW.
What is the average temperature in Jelgava year round?
The average temperature in Jelgava over the whole year is 8°C. August is the hottest month, with highs of about 22°C; January is the coldest, with lows of about -2°C.