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Monthly climate in Siauliai, Lithuania

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Siauliai features a humid continental climate (Dfb). Temperatures typically range between -2 °C (29 °F) and 18 °C (65 °F) through the year, but rarely can drop to -25 °C (-12 °F) or can rise to as high as 32 °C (89 °F). The average annual precipitation amounts to about 666 mm (26.2 inches) and receives 135 rainy days on the 1 mm (0.04 inches) threshold annually. Siauliai enjoys an average of 3343 hours of sunshine throughout the year, and daylight varies from 7 hours 3 minutes to 17 hours 28 minutes per day.

Monthly average temperatures in Siauliai, Lithuania

The warmest months in Siauliai are June, July and August, with daily mean temperatures ranging from 17 to 18 °C (63 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 0 °C (29 - 32 °F) throughout the day. On average each year, Siauliai experiences 22 days above 25 °C (77.0 °F) and 97 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Siauliai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum7°C
(45°F)		11°C
(53°F)		15°C
(59°F)		26°C
(78°F)		28°C
(83°F)		32°C
(89°F)		32°C
(89°F)		31°C
(88°F)		28°C
(82°F)		21°C
(70°F)		14°C
(58°F)		10°C
(49°F)
Mean maximum6°C
(42°F)		7°C
(46°F)		12°C
(55°F)		20°C
(69°F)		24°C
(76°F)		26°C
(80°F)		28°C
(83°F)		29°C
(84°F)		26°C
(79°F)		18°C
(66°F)		12°C
(54°F)		7°C
(44°F)
Average high0°C
(33°F)		1°C
(34°F)		5°C
(41°F)		11°C
(52°F)		16°C
(62°F)		22°C
(72°F)		22°C
(73°F)		22°C
(72°F)		18°C
(64°F)		12°C
(53°F)		6°C
(43°F)		1°C
(35°F)
Daily mean-1°C
(30°F)		-2°C
(29°F)		1°C
(35°F)		6°C
(44°F)		12°C
(53°F)		17°C
(64°F)		18°C
(65°F)		17°C
(63°F)		13°C
(56°F)		9°C
(48°F)		4°C
(40°F)		-0°C
(32°F)
Average low-4°C
(26°F)		-4°C
(25°F)		-2°C
(29°F)		2°C
(35°F)		6°C
(43°F)		12°C
(54°F)		13°C
(56°F)		13°C
(55°F)		9°C
(49°F)		6°C
(42°F)		2°C
(37°F)		-2°C
(28°F)
Mean minimum-15°C
(5°F)		-14°C
(6°F)		-9°C
(15°F)		-4°C
(26°F)		-2°C
(29°F)		5°C
(41°F)		9°C
(48°F)		7°C
(45°F)		3°C
(37°F)		-1°C
(30°F)		-4°C
(25°F)		-9°C
(16°F)
Minimum-25°C
(-12°F)		-23°C
(-10°F)		-21°C
(-5°F)		-7°C
(20°F)		-4°C
(25°F)		2°C
(36°F)		7°C
(44°F)		6°C
(44°F)		-2°C
(29°F)		-2°C
(28°F)		-9°C
(16°F)		-21°C
(-6°F)

Compare climate in Siauliai with other places

Compare temperature, precipitation, sunshine, UV index in Siauliai, Lithuania with other places around the world.

Monthly average precipitation in Siauliai, Lithuania

Siauliai usually has the most precipitation in May, July and August, with an average of 12 rainy days and 77 mm (3.0 inches) of precipitation per month. The driest months in Siauliai are January, February and April. On average, 38 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Siauliai. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)44 (1.7)36 (1.4)45 (1.8)35 (1.4)65 (2.5)51 (2.0)91 (3.6)75 (2.9)62 (2.4)60 (2.4)52 (2.1)50 (2.0)
Average precipitation days (≥ 1 mm)10813101110141310131112

Monthly sunshine hours in Siauliai, Lithuania

The sunniest months in Siauliai are May, June and July, when the sun shines an average of 14 hours 26 minutes a day. Least sunny months in Siauliai: January, November and December receive an average of 3 hours 12 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Siauliai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours8517226634742745344638931023112287
Mean daily daylight hours7h 41m9h 35m11h 53m14h 14m16h 20m17h 28m16h 51m14h 57m12h 41m10h 21m8h 13m7h 3m

Solar UV radiation in Siauliai, Lithuania

Siauliai 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, February and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Siauliai UV Index data.

Average daily maximum UV levels by month for Siauliai. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)123567765321