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Jelgava, Latvia climate
Cfb Oceanic / temperate
Jelgava has a seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 24°C, while the coldest is February averaging around −6°C at night. Around 604 mm of precipitation falls each year, peaking in October (72 mm) and easing off in April (32 mm). At latitude 56°N, day length swings from 6.7 hours in midwinter to 17.3 hours at midsummer.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsJelgava climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 0 | 0 | 4 | 12 | 18 | 21 | 24 | 23 | 17 | 10 | 4 | 0 |
| Avg temp (°C) | −2 | −3 | 1 | 7 | 12 | 16 | 18 | 18 | 13 | 7 | 2 | −2 |
| Avg low (°C) | −5 | −6 | −3 | 2 | 7 | 10 | 13 | 13 | 8 | 4 | 0 | −4 |
| Precipitation (mm) | 41 | 34 | 34 | 32 | 46 | 69 | 71 | 67 | 47 | 72 | 47 | 43 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 0 | 0 | 4 | 12 | 18 | 21 |
| Avg temp (°C) | −2 | −3 | 1 | 7 | 12 | 16 |
| Avg low (°C) | −5 | −6 | −3 | 2 | 7 | 10 |
| Precipitation (mm) | 41 | 34 | 34 | 32 | 46 | 69 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 23 | 17 | 10 | 4 | 0 |
| Avg temp (°C) | 18 | 18 | 13 | 7 | 2 | −2 |
| Avg low (°C) | 13 | 13 | 8 | 4 | 0 | −4 |
| Precipitation (mm) | 71 | 67 | 47 | 72 | 47 | 43 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 16 | 16 | 14 | 11 | 12 | 13 | 12 | 13 | 11 | 15 | 16 | 17 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | — | 0.8 | 0.2 | — | — | — | — |
| Days with low ≤ 0°C (days) | 24 | 23 | 22 | 10 | 1 | — | — | — | 1 | 6 | 15 | 22 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 16 | 16 | 14 | 11 | 12 | 13 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | — |
| Days with low ≤ 0°C (days) | 24 | 23 | 22 | 10 | 1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 12 | 13 | 11 | 15 | 16 | 17 |
| Days with high ≥ 32°C (days) | 0.8 | 0.2 | — | — | — | — |
| Days with low ≤ 0°C (days) | — | — | 1 | 6 | 15 | 22 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 75 | 70 | 64 | 61 | 65 | 64 | 63 | 64 | 71 | 77 | 75 |
| Clear days (≤ 30% cloud) | 2 | 2 | 4 | 5 | 6 | 4 | 4 | 5 | 5 | 3 | 2 | 2 |
| Partly cloudy days (30–70%) | 7 | 8 | 9 | 10 | 11 | 11 | 12 | 11 | 10 | 9 | 7 | 8 |
| Cloudy days (≥ 70%) | 21 | 19 | 18 | 15 | 14 | 15 | 15 | 15 | 15 | 19 | 22 | 21 |
| Relative humidity (%) | 96 | 95 | 89 | 81 | 78 | 79 | 80 | 81 | 84 | 90 | 95 | 96 |
| Wind speed (m/s) | 2.4 | 2.4 | 2.2 | 1.8 | 1.6 | 1.5 | 1.4 | 1.4 | 1.5 | 1.7 | 1.8 | 2.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 75 | 70 | 64 | 61 | 65 |
| Clear days (≤ 30% cloud) | 2 | 2 | 4 | 5 | 6 | 4 |
| Partly cloudy days (30–70%) | 7 | 8 | 9 | 10 | 11 | 11 |
| Cloudy days (≥ 70%) | 21 | 19 | 18 | 15 | 14 | 15 |
| Relative humidity (%) | 96 | 95 | 89 | 81 | 78 | 79 |
| Wind speed (m/s) | 2.4 | 2.4 | 2.2 | 1.8 | 1.6 | 1.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 64 | 63 | 64 | 71 | 77 | 75 |
| Clear days (≤ 30% cloud) | 4 | 5 | 5 | 3 | 2 | 2 |
| Partly cloudy days (30–70%) | 12 | 11 | 10 | 9 | 7 | 8 |
| Cloudy days (≥ 70%) | 15 | 15 | 15 | 19 | 22 | 21 |
| Relative humidity (%) | 80 | 81 | 84 | 90 | 95 | 96 |
| Wind speed (m/s) | 1.4 | 1.4 | 1.5 | 1.7 | 1.8 | 2.1 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 19 years of daily observations at Siauliai, a weather station, about 83 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.