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Monthly climate in Kallby, Ostrobothnia, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kallby features a subarctic climate (Dfc).Temperatures typically range between -6 °C (22 °F) and 17 °C (63 °F) through the year, but rarely can drop to -27 °C (-17 °F) or can rise to as high as 32 °C (91 °F).The average annual precipitation amounts to about 673 mm (26.5 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually.Kallby enjoys an average of 3249 hours of sunshine throughout the year, and daylight varies from 4 hours 35 minutes to 20 hours 27 minutes per day.

Monthly average temperatures in Kallby, Ostrobothnia, Finland §

The warmest months in Kallby are June, July and August, with daily mean temperatures ranging from 14 to 17 °C (58 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -2 °C (22 - 28 °F) throughout the day. On average each year, Kallby experiences 8 days above 25 °C (77.0 °F) and 144 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kallby, Ostrobothnia, Finland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 7°C
(44°F)		 6°C
(43°F)		 9°C
(48°F)		 19°C
(67°F)		 25°C
(78°F)		 30°C
(86°F)		 32°C
(91°F)		 32°C
(90°F)		 23°C
(74°F)		 19°C
(66°F)		 11°C
(52°F)		 5°C
(42°F)
Mean maximum 4°C
(40°F)		 4°C
(39°F)		 7°C
(46°F)		 14°C
(57°F)		 22°C
(72°F)		 25°C
(77°F)		 28°C
(82°F)		 26°C
(79°F)		 20°C
(68°F)		 14°C
(58°F)		 9°C
(48°F)		 4°C
(40°F)
Average high -2°C
(28°F)		 -3°C
(27°F)		 1°C
(34°F)		 6°C
(43°F)		 12°C
(53°F)		 18°C
(65°F)		 21°C
(70°F)		 19°C
(66°F)		 14°C
(57°F)		 7°C
(46°F)		 3°C
(38°F)		 -1°C
(31°F)
Daily mean -4°C
(25°F)		 -6°C
(22°F)		 -2°C
(28°F)		 2°C
(36°F)		 8°C
(46°F)		 14°C
(58°F)		 17°C
(63°F)		 15°C
(59°F)		 10°C
(51°F)		 5°C
(42°F)		 1°C
(35°F)		 -2°C
(28°F)
Average low -6°C
(21°F)		 -9°C
(17°F)		 -6°C
(22°F)		 -2°C
(29°F)		 3°C
(38°F)		 9°C
(49°F)		 12°C
(54°F)		 11°C
(52°F)		 7°C
(45°F)		 3°C
(38°F)		 -1°C
(31°F)		 -4°C
(25°F)
Mean minimum -19°C
(-2°F)		 -19°C
(-3°F)		 -18°C
(0°F)		 -8°C
(18°F)		 -2°C
(28°F)		 4°C
(40°F)		 6°C
(44°F)		 5°C
(41°F)		 1°C
(34°F)		 -5°C
(24°F)		 -9°C
(16°F)		 -12°C
(10°F)
Minimum -26°C
(-14°F)		 -26°C
(-15°F)		 -27°C
(-17°F)		 -13°C
(9°F)		 -4°C
(26°F)		 1°C
(34°F)		 4°C
(39°F)		 4°C
(40°F)		 -1°C
(31°F)		 -8°C
(17°F)		 -17°C
(2°F)		 -22°C
(-7°F)

Compare climate in Kallby with other places

Compare temperature, precipitation, sunshine, UV index in Kallby, Ostrobothnia, Finland with other places around the world.

Monthly average precipitation in Kallby, Ostrobothnia, Finland §

Kallby usually has the most precipitation in August, September and October, with an average of 14 rainy days and 82 mm (3.2 inches) of precipitation per month.The driest months in Kallby are January, March and April. On average, 38 mm (1.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kallby, Ostrobothnia, Finland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 37 (1.4) 40 (1.6) 40 (1.6) 38 (1.5) 49 (1.9) 51 (2.0) 70 (2.7) 89 (3.5) 74 (2.9) 83 (3.3) 55 (2.2) 48 (1.9)
Average precipitation days (≥ 1 mm) 10 8 10 7 8 8 11 15 13 15 11 12

Monthly sunshine hours in Kallby, Ostrobothnia, Finland §

The sunniest months in Kallby are May, June and July, when the sun shines an average of 15 hours 42 minutes a day.Least sunny months in Kallby: January, November and December receive an average of 1 hours 46 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kallby, Ostrobothnia, Finland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 37 137 269 361 448 505 490 417 277 178 88 38
Mean daily daylight hours 5h 41m 8h 38m 11h 49m 15h 5m 18h 17m 20h 27m 19h 14m 16h 8m 12h 55m 9h 43m 6h 35m 4h 35m

Solar UV radiation in Kallby, Ostrobothnia, Finland §

Kallby experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 5 - 6, which corresponds to the Moderate / High category of sun exposure.January, February and November 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 Kallby UV Index data.

Average daily maximum UV levels by month for Kallby, Ostrobothnia, Finland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 1 1 3 4 5 6 6 5 3 2 1 1