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Monthly climate in Riga, Latvia

Last updated: July 31, 2025

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.

Monthly average temperatures in Riga, Latvia

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).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Riga. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum8°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 maximum6°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 high1°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 climate in Riga with other places

Compare temperature, precipitation, sunshine, UV index in Riga, Latvia with other places around the world.

Monthly average precipitation in Riga, Latvia

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.

Monthly average precipitation and precipitation days in Riga. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
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)1291291010131314161515

Monthly sunshine hours in Riga, Latvia

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.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Riga. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours8016826835544446346039331023112378
Mean daily daylight hours7h 30m9h 29m11h 52m14h 19m16h 30m17h 43m17h 4m15h 4m12h 42m10h 17m8h 4m6h 50m

Solar UV radiation in Riga, Latvia

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.

Average daily maximum UV levels by month for Riga. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)123567764211