nomadseason

Monthly climate in Ostaszewo, Poland

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Ostaszewo features a oceanic climate (Cfb). Temperatures typically range between 1 °C (34 °F) and 19 °C (67 °F) through the year, but rarely can drop to -15 °C (5 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 756 mm (29.8 inches) and receives 144 rainy days on the 1 mm (0.04 inches) threshold annually. Ostaszewo enjoys an average of 3421 hours of sunshine throughout the year, and daylight varies from 7 hours 23 minutes to 17 hours 6 minutes per day.

Monthly average temperatures in Ostaszewo, Poland

The warmest months in Ostaszewo are June, July and August, with daily mean temperatures ranging from 18 to 19 °C (65 - 67 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 2 °C (34 - 37 °F) throughout the day. On average each year, Ostaszewo experiences 17 days above 25 °C (77.0 °F) and 53 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ostaszewo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(50°F)		13°C
(55°F)		16°C
(60°F)		22°C
(72°F)		27°C
(80°F)		31°C
(87°F)		31°C
(88°F)		30°C
(87°F)		30°C
(86°F)		21°C
(69°F)		15°C
(60°F)		10°C
(51°F)
Mean maximum8°C
(48°F)		10°C
(50°F)		14°C
(57°F)		19°C
(66°F)		23°C
(74°F)		26°C
(79°F)		28°C
(83°F)		29°C
(84°F)		27°C
(80°F)		20°C
(68°F)		14°C
(57°F)		9°C
(49°F)
Average high3°C
(37°F)		3°C
(38°F)		6°C
(44°F)		11°C
(52°F)		15°C
(60°F)		21°C
(71°F)		22°C
(72°F)		23°C
(73°F)		19°C
(66°F)		14°C
(57°F)		8°C
(47°F)		4°C
(39°F)
Daily mean1°C
(34°F)		1°C
(34°F)		3°C
(38°F)		8°C
(46°F)		12°C
(54°F)		18°C
(65°F)		19°C
(66°F)		19°C
(67°F)		15°C
(60°F)		11°C
(52°F)		7°C
(44°F)		2°C
(37°F)
Average low-1°C
(31°F)		-1°C
(30°F)		1°C
(33°F)		4°C
(39°F)		8°C
(47°F)		14°C
(57°F)		16°C
(60°F)		15°C
(60°F)		12°C
(54°F)		8°C
(47°F)		5°C
(41°F)		1°C
(34°F)
Mean minimum-8°C
(18°F)		-8°C
(18°F)		-5°C
(23°F)		-1°C
(31°F)		2°C
(36°F)		8°C
(47°F)		12°C
(53°F)		11°C
(52°F)		7°C
(45°F)		3°C
(38°F)		-1°C
(31°F)		-5°C
(24°F)
Minimum-15°C
(5°F)		-14°C
(7°F)		-14°C
(8°F)		-3°C
(27°F)		0°C
(33°F)		6°C
(43°F)		10°C
(50°F)		9°C
(49°F)		7°C
(44°F)		2°C
(36°F)		-3°C
(26°F)		-9°C
(16°F)

Compare climate in Ostaszewo with other places

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

Monthly average precipitation in Ostaszewo, Poland

Ostaszewo usually has the most precipitation in July, September and October, with an average of 13 rainy days and 86 mm (3.4 inches) of precipitation per month. The driest months in Ostaszewo are February, March and April. On average, 41 mm (1.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ostaszewo. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)51 (2.0)41 (1.6)45 (1.8)38 (1.5)67 (2.6)68 (2.7)99 (3.9)68 (2.7)78 (3.1)82 (3.2)55 (2.2)64 (2.5)
Average precipitation days (≥ 1 mm)1210128129131213141415

Monthly sunshine hours in Ostaszewo, Poland

The sunniest months in Ostaszewo are May, June and July, when the sun shines an average of 14 hours 7 minutes a day. Least sunny months in Ostaszewo: January, November and December receive an average of 4 hours 5 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ostaszewo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours99190260353418447433392308240153124
Mean daily daylight hours7h 57m9h 44m11h 53m14h 6m16h 3m17h 6m16h 32m14h 46m12h 38m10h 27m8h 28m7h 23m

Solar UV radiation in Ostaszewo, Poland

Ostaszewo 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 Ostaszewo UV Index data.

Average daily maximum UV levels by month for Ostaszewo. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)124567765311