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30-year normals (1991-2020)
Riga has a humid continental climate, classified as Dfb in the Köppen system. The warmest month is July with an average high of 22°C, while the coldest month is January with lows dropping to -5°C. The annual temperature range of 27°C reflects moderate seasonal variation.
The driest month is May with only 10 rain days and 52mm of precipitation. For travellers, May through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 65% to 65% throughout the year.
Based on temperature and rainfall data, the best months to visit Riga are May, June, July. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
Full Best Time to Visit GuideWarmest Month
22°C
July
Coldest Month
-5°C
January
Driest Month
10 days
May
Annual Range
27°C
-5° to 22°
| Month | High | Low | Rain Days | Sun | Details |
|---|---|---|---|---|---|
| January | -1°C | -5°C | 12 | 2h | View |
| February | 0°C | -5°C | 10 | 4h | View |
| March | 4°C | -3°C | 10 | 7h | View |
| April | 11°C | 2°C | 10 | 10h | View |
| May | 16°C | 7°C | 10 | 12h | View |
| June | 20°C | 12°C | 11 | 13h | View |
| July | 22°C | 15°C | 12 | 13h | View |
| August | 22°C | 14°C | 13 | 12h | View |
| September | 17°C | 10°C | 11 | 9h | View |
| October | 10°C | 5°C | 14 | 5h | View |
| November | 4°C | 1°C | 13 | 3h | View |
| December | 1°C | -3°C | 12 | 2h | View |
January
12 rain days, 2h sun
February
10 rain days, 4h sun
March
10 rain days, 7h sun
April
10 rain days, 10h sun
May
10 rain days, 12h sun
June
11 rain days, 13h sun
July
12 rain days, 13h sun
August
13 rain days, 12h sun
September
11 rain days, 9h sun
October
14 rain days, 5h sun
November
13 rain days, 3h sun
December
12 rain days, 2h sun
Riga in July
Data Sources for Riga
Climate normals represent 30-year averages (1991-2020). Individual years may vary.