nomadseason

Monthly climate in Kolno, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kolno features a humid continental climate (Dfb). Temperatures typically range between -1 °C (31 °F) and 18 °C (66 °F) through the year, but rarely can drop to -22 °C (-8 °F) or can rise to as high as 32 °C (90 °F). The average annual precipitation amounts to about 723 mm (28.5 inches) and receives 138 rainy days on the 1 mm (0.04 inches) threshold annually. Kolno enjoys an average of 3394 hours of sunshine throughout the year, and daylight varies from 7 hours 27 minutes to 17 hours 1 minutes per day.

Monthly average temperatures in Kolno, Poland

The warmest months in Kolno are June, July and August, with daily mean temperatures ranging from 18 to 18 °C (65 - 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 (31 - 34 °F) throughout the day. On average each year, Kolno experiences 26 days above 25 °C (77.0 °F) and 88 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kolno. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(49°F)		16°C
(61°F)		16°C
(61°F)		25°C
(78°F)		28°C
(84°F)		32°C
(90°F)		31°C
(88°F)		31°C
(88°F)		29°C
(84°F)		23°C
(73°F)		16°C
(61°F)		10°C
(50°F)
Mean maximum7°C
(45°F)		10°C
(50°F)		15°C
(59°F)		21°C
(70°F)		25°C
(77°F)		27°C
(81°F)		29°C
(85°F)		30°C
(86°F)		27°C
(81°F)		20°C
(69°F)		14°C
(57°F)		8°C
(47°F)
Average high1°C
(34°F)		2°C
(36°F)		6°C
(44°F)		12°C
(54°F)		17°C
(62°F)		23°C
(73°F)		23°C
(73°F)		23°C
(73°F)		18°C
(65°F)		13°C
(56°F)		7°C
(45°F)		2°C
(37°F)
Daily mean-1°C
(31°F)		-0°C
(32°F)		3°C
(37°F)		7°C
(45°F)		12°C
(54°F)		18°C
(65°F)		18°C
(66°F)		18°C
(65°F)		14°C
(58°F)		10°C
(49°F)		5°C
(41°F)		1°C
(34°F)
Average low-3°C
(27°F)		-3°C
(27°F)		-1°C
(30°F)		2°C
(37°F)		7°C
(45°F)		13°C
(55°F)		14°C
(57°F)		13°C
(56°F)		10°C
(51°F)		6°C
(44°F)		3°C
(38°F)		-1°C
(31°F)
Mean minimum-12°C
(11°F)		-12°C
(11°F)		-8°C
(18°F)		-3°C
(26°F)		-0°C
(32°F)		5°C
(42°F)		9°C
(49°F)		8°C
(48°F)		4°C
(39°F)		1°C
(33°F)		-3°C
(27°F)		-7°C
(19°F)
Minimum-22°C
(-7°F)		-22°C
(-8°F)		-19°C
(-1°F)		-5°C
(23°F)		-2°C
(29°F)		3°C
(37°F)		8°C
(46°F)		7°C
(45°F)		3°C
(37°F)		-2°C
(28°F)		-6°C
(22°F)		-13°C
(9°F)

Compare climate in Kolno with other places

Compare temperature, precipitation, sunshine, UV index in Kolno, Poland with other places around the world.

Monthly average precipitation in Kolno, Poland

Kolno usually has the most precipitation in May, July and August, with an average of 13 rainy days and 88 mm (3.5 inches) of precipitation per month. The driest months in Kolno are February, April and November. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kolno. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)45 (1.8)41 (1.6)46 (1.8)41 (1.6)81 (3.2)55 (2.2)108 (4.3)76 (3.0)68 (2.7)69 (2.7)40 (1.6)53 (2.1)
Average precipitation days (≥ 1 mm)12912101310151211121012

Monthly sunshine hours in Kolno, Poland

The sunniest months in Kolno are May, June and July, when the sun shines an average of 14 hours 1 minutes a day. Least sunny months in Kolno: January, November and December receive an average of 4 hours 6 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kolno. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours96186255346414443431389308241155125
Mean daily daylight hours8h 1m9h 46m11h 54m14h 4m16h 0m17h 1m16h 28m14h 44m12h 38m10h 28m8h 31m7h 27m

Solar UV radiation in Kolno, Poland

Kolno 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 Kolno UV Index data.

Average daily maximum UV levels by month for Kolno. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124568865321