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Monthly climate in Bayi, China

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bayi features a subarctic climate (Dwc). Temperatures typically range between -14 °C (8 °F) and 10 °C (50 °F) through the year, but rarely can drop to -31 °C (-23 °F) or can rise to as high as 18 °C (65 °F). The average annual precipitation amounts to about 1771 mm (69.7 inches) and receives 265 rainy days on the 1 mm (0.04 inches) threshold annually. Bayi enjoys an average of 3371 hours of sunshine throughout the year, and daylight varies from 10 hours 15 minutes to 14 hours 0 minutes per day.

Monthly average temperatures in Bayi, China

The warmest months in Bayi are July, August and September, with daily mean temperatures ranging from 8 to 10 °C (47 - 50 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -14 to -11 °C (8 - 13 °F) throughout the day. On average each year, Bayi experiences 0 days above 25 °C (77.0 °F) and 200 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bayi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum-1°C
(30°F)		1°C
(33°F)		5°C
(42°F)		6°C
(44°F)		13°C
(55°F)		16°C
(60°F)		18°C
(65°F)		18°C
(65°F)		17°C
(63°F)		16°C
(61°F)		8°C
(47°F)		1°C
(35°F)
Mean maximum-3°C
(27°F)		-2°C
(29°F)		2°C
(36°F)		5°C
(41°F)		10°C
(50°F)		14°C
(58°F)		17°C
(63°F)		17°C
(64°F)		16°C
(61°F)		13°C
(56°F)		4°C
(39°F)		-2°C
(29°F)
Average high-8°C
(19°F)		-6°C
(22°F)		-2°C
(29°F)		2°C
(35°F)		5°C
(42°F)		11°C
(52°F)		13°C
(56°F)		14°C
(58°F)		12°C
(54°F)		7°C
(44°F)		-1°C
(30°F)		-6°C
(21°F)
Daily mean-14°C
(8°F)		-11°C
(13°F)		-7°C
(20°F)		-2°C
(29°F)		2°C
(37°F)		8°C
(46°F)		10°C
(50°F)		10°C
(50°F)		8°C
(47°F)		3°C
(38°F)		-7°C
(20°F)		-12°C
(10°F)
Average low-20°C
(-3°F)		-16°C
(3°F)		-11°C
(12°F)		-6°C
(22°F)		-0°C
(32°F)		5°C
(41°F)		7°C
(45°F)		7°C
(45°F)		6°C
(42°F)		-0°C
(32°F)		-12°C
(11°F)		-18°C
(0°F)
Mean minimum-28°C
(-18°F)		-26°C
(-14°F)		-22°C
(-7°F)		-15°C
(5°F)		-7°C
(20°F)		-1°C
(30°F)		5°C
(41°F)		5°C
(40°F)		1°C
(34°F)		-12°C
(11°F)		-22°C
(-8°F)		-28°C
(-18°F)
Minimum-30°C
(-22°F)		-28°C
(-18°F)		-25°C
(-13°F)		-18°C
(-0°F)		-9°C
(16°F)		-4°C
(26°F)		4°C
(39°F)		2°C
(37°F)		-3°C
(28°F)		-18°C
(0°F)		-25°C
(-13°F)		-31°C
(-23°F)

Compare climate in Bayi with other places

Compare temperature, precipitation, sunshine, UV index in Bayi, China with other places around the world.

Monthly average precipitation in Bayi, China

Bayi usually has the most precipitation in June, July and August, with an average of 28 rainy days and 251 mm (9.9 inches) of precipitation per month. The driest months in Bayi are January, February and December. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bayi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)39 (1.5)73 (2.9)101 (4.0)106 (4.2)173 (6.8)226 (8.9)301 (11.9)226 (8.9)221 (8.7)180 (7.1)76 (3.0)49 (1.9)
Average precipitation days (≥ 1 mm)121722192528302828271514

Monthly sunshine hours in Bayi, China

The sunniest months in Bayi are March, April and May, when the sun shines an average of 10 hours 9 minutes a day. Least sunny months in Bayi: January, July and September receive an average of 8 hours 2 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bayi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours241281322317293276243279255278287292
Mean daily daylight hours10h 27m11h 7m11h 59m12h 53m13h 38m14h 0m13h 48m13h 9m12h 18m11h 25m10h 39m10h 15m

Solar UV radiation in Bayi, China

Bayi experiences the highest level of ultraviolet (UV) radiation in April, May and September, when the maximum UV index can reach values of 17 - 19, which corresponds to the Extreme category of sun exposure. January, February and December are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Bayi UV Index data.

Average daily maximum UV levels by month for Bayi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)8111518191616161714118