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Monthly climate in Ilja, Belarus

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ilja features a humid continental climate (Dfb). Temperatures typically range between -3 °C (27 °F) and 18 °C (65 °F) through the year, but rarely can drop to -27 °C (-16 °F) or can rise to as high as 33 °C (92 °F). The average annual precipitation amounts to about 722 mm (28.4 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually. Ilja enjoys an average of 3113 hours of sunshine throughout the year, and daylight varies from 7 hours 22 minutes to 17 hours 7 minutes per day.

Monthly average temperatures in Ilja, Belarus

The warmest months in Ilja are June, July and August, with daily mean temperatures ranging from 18 to 18 °C (64 - 65 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -3 to -1 °C (27 - 30 °F) throughout the day. On average each year, Ilja experiences 27 days above 25 °C (77.0 °F) and 110 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ilja. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum6°C
(42°F)		11°C
(51°F)		16°C
(61°F)		25°C
(76°F)		28°C
(83°F)		33°C
(92°F)		32°C
(90°F)		32°C
(89°F)		27°C
(80°F)		21°C
(70°F)		15°C
(59°F)		8°C
(47°F)
Mean maximum4°C
(39°F)		6°C
(43°F)		13°C
(56°F)		20°C
(69°F)		25°C
(77°F)		28°C
(83°F)		29°C
(85°F)		29°C
(84°F)		26°C
(79°F)		18°C
(66°F)		12°C
(53°F)		5°C
(42°F)
Average high-1°C
(30°F)		-0°C
(31°F)		5°C
(41°F)		11°C
(52°F)		17°C
(63°F)		23°C
(74°F)		23°C
(73°F)		22°C
(73°F)		18°C
(64°F)		12°C
(53°F)		5°C
(41°F)		0°C
(33°F)
Daily mean-3°C
(27°F)		-3°C
(27°F)		1°C
(34°F)		7°C
(44°F)		12°C
(54°F)		18°C
(65°F)		18°C
(65°F)		18°C
(64°F)		13°C
(56°F)		8°C
(47°F)		3°C
(38°F)		-1°C
(30°F)
Average low-5°C
(23°F)		-5°C
(23°F)		-2°C
(28°F)		2°C
(35°F)		7°C
(45°F)		13°C
(55°F)		14°C
(57°F)		13°C
(55°F)		9°C
(48°F)		5°C
(42°F)		1°C
(35°F)		-3°C
(27°F)
Mean minimum-17°C
(2°F)		-16°C
(4°F)		-10°C
(15°F)		-5°C
(24°F)		-1°C
(31°F)		5°C
(42°F)		9°C
(48°F)		7°C
(44°F)		2°C
(35°F)		-2°C
(29°F)		-6°C
(22°F)		-10°C
(14°F)
Minimum-27°C
(-16°F)		-24°C
(-10°F)		-17°C
(1°F)		-8°C
(17°F)		-3°C
(26°F)		3°C
(38°F)		8°C
(46°F)		5°C
(42°F)		-2°C
(28°F)		-5°C
(23°F)		-9°C
(17°F)		-18°C
(1°F)

Compare climate in Ilja with other places

Compare temperature, precipitation, sunshine, UV index in Ilja, Belarus with other places around the world.

Monthly average precipitation in Ilja, Belarus

Ilja usually has the most precipitation in July, August and September, with an average of 12 rainy days and 85 mm (3.3 inches) of precipitation per month. The driest months in Ilja are February, March and April. On average, 42 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ilja. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)47 (1.9)35 (1.4)47 (1.9)43 (1.7)60 (2.3)60 (2.4)97 (3.8)92 (3.6)66 (2.6)58 (2.3)54 (2.1)62 (2.4)
Average precipitation days (≥ 1 mm)111012111111141111121115

Monthly sunshine hours in Ilja, Belarus

The sunniest months in Ilja are May, June and July, when the sun shines an average of 13 hours 36 minutes a day. Least sunny months in Ilja: January, November and December receive an average of 2 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ilja. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours6814725433239843042238028821110276
Mean daily daylight hours7h 57m9h 43m11h 53m14h 6m16h 4m17h 7m16h 33m14h 47m12h 39m10h 27m8h 27m7h 22m

Solar UV radiation in Ilja, Belarus

Ilja experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 6 - 8, which corresponds to the High / Very 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 Ilja UV Index data.

Average daily maximum UV levels by month for Ilja. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124568765321