Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Riga features a humid continental climate (Dfb).Temperatures typically range between -1 °C (30 °F) and 19 °C (66 °F) through the year, but rarely can drop to -19 °C (-1 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 768 mm (30.2 inches) and receives 148 rainy days on the 1 mm (0.04 inches) threshold annually.Riga enjoys an average of 3380 hours of sunshine throughout the year, and daylight varies from 6 hours 50 minutes to 17 hours 43 minutes per day.
The warmest months in Riga are June, July and August, with daily mean temperatures ranging from 17 to 19 °C (64 - 66 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 1 °C (30 - 33 °F) throughout the day. On average each year, Riga experiences 13 days above 25 °C (77.0 °F) and 76 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 8°C (47°F) | 11°C (52°F) | 12°C (54°F) | 22°C (71°F) | 26°C (79°F) | 31°C (88°F) | 31°C (88°F) | 30°C (86°F) | 26°C (79°F) | 19°C (66°F) | 14°C (57°F) | 10°C (50°F) |
Mean maximum | 6°C (43°F) | 7°C (44°F) | 11°C (51°F) | 17°C (63°F) | 23°C (73°F) | 25°C (77°F) | 27°C (82°F) | 27°C (81°F) | 24°C (76°F) | 17°C (63°F) | 12°C (54°F) | 7°C (44°F) |
Average high | 1°C (34°F) | 1°C (33°F) | 4°C (40°F) | 9°C (49°F) | 15°C (58°F) | 21°C (69°F) | 22°C (71°F) | 21°C (71°F) | 17°C (63°F) | 12°C (53°F) | 6°C (44°F) | 2°C (36°F) |
Daily mean | -1°C (31°F) | -1°C (30°F) | 1°C (35°F) | 6°C (43°F) | 11°C (52°F) | 17°C (64°F) | 19°C (66°F) | 18°C (65°F) | 14°C (58°F) | 9°C (49°F) | 5°C (41°F) | 1°C (33°F) |
Average low | -2°C (28°F) | -3°C (27°F) | -1°C (30°F) | 3°C (37°F) | 8°C (46°F) | 14°C (57°F) | 16°C (60°F) | 15°C (59°F) | 11°C (53°F) | 7°C (45°F) | 4°C (39°F) | -1°C (31°F) |
Mean minimum | -11°C (12°F) | -11°C (12°F) | -7°C (19°F) | -2°C (28°F) | 2°C (36°F) | 8°C (47°F) | 12°C (53°F) | 11°C (52°F) | 7°C (44°F) | 1°C (35°F) | -2°C (29°F) | -6°C (22°F) |
Minimum | -19°C (-1°F) | -17°C (1°F) | -18°C (-0°F) | -5°C (23°F) | 1°C (33°F) | 7°C (45°F) | 11°C (52°F) | 9°C (48°F) | 4°C (40°F) | -1°C (31°F) | -7°C (20°F) | -13°C (9°F) |
Compare temperature, precipitation, sunshine, UV index in Riga, Latvia with other places around the world.
Riga usually has the most precipitation in August, September and October, with an average of 14 rainy days and 90 mm (3.5 inches) of precipitation per month.The driest months in Riga are January, February and April. On average, 42 mm (1.7 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 48 (1.9) | 39 (1.5) | 50 (2.0) | 40 (1.6) | 53 (2.1) | 58 (2.3) | 84 (3.3) | 86 (3.4) | 91 (3.6) | 92 (3.6) | 69 (2.7) | 59 (2.3) |
Average precipitation days (≥ 1 mm) | 12 | 9 | 12 | 9 | 10 | 10 | 13 | 13 | 14 | 16 | 15 | 15 |
The sunniest months in Riga are May, June and July, when the sun shines an average of 14 hours 52 minutes a day.Least sunny months in Riga: January, November and December receive an average of 3 hours 4 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 80 | 168 | 268 | 355 | 444 | 463 | 460 | 393 | 310 | 231 | 123 | 78 |
Mean daily daylight hours | 7h 30m | 9h 29m | 11h 52m | 14h 19m | 16h 30m | 17h 43m | 17h 4m | 15h 4m | 12h 42m | 10h 17m | 8h 4m | 6h 50m |
Riga experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 6 - 7, which corresponds to the High category of sun exposure.January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Riga UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 1 | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 1 |