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Monthly climate in Janakkala, Kanta-Häme, Finland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Janakkala features a humid continental climate (Dfb).Temperatures typically range between -5 °C (24 °F) and 17 °C (63 °F) through the year, but rarely can drop to -28 °C (-18 °F) or can rise to as high as 31 °C (88 °F).The average annual precipitation amounts to about 729 mm (28.7 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually.Janakkala enjoys an average of 3094 hours of sunshine throughout the year, and daylight varies from 5 hours 40 minutes to 19 hours 4 minutes per day.

Monthly average temperatures in Janakkala, Kanta-Häme, Finland §

The warmest months in Janakkala are June, July and August, with daily mean temperatures ranging from 16 to 17 °C (61 - 63 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -5 to -2 °C (24 - 29 °F) throughout the day. On average each year, Janakkala experiences 13 days above 25 °C (77.0 °F) and 136 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Janakkala, Kanta-Häme, 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 8°C
(46°F)		 7°C
(44°F)		 11°C
(52°F)		 21°C
(70°F)		 28°C
(82°F)		 31°C
(88°F)		 31°C
(88°F)		 30°C
(86°F)		 23°C
(74°F)		 18°C
(65°F)		 12°C
(54°F)		 5°C
(42°F)
Mean maximum 4°C
(39°F)		 4°C
(40°F)		 10°C
(50°F)		 16°C
(61°F)		 25°C
(77°F)		 26°C
(79°F)		 28°C
(83°F)		 26°C
(79°F)		 21°C
(70°F)		 15°C
(59°F)		 10°C
(50°F)		 4°C
(40°F)
Average high -2°C
(29°F)		 -2°C
(29°F)		 2°C
(36°F)		 8°C
(46°F)		 15°C
(58°F)		 20°C
(69°F)		 21°C
(70°F)		 20°C
(68°F)		 14°C
(58°F)		 8°C
(47°F)		 4°C
(39°F)		 -1°C
(31°F)
Daily mean -4°C
(25°F)		 -5°C
(24°F)		 -2°C
(29°F)		 3°C
(38°F)		 10°C
(50°F)		 16°C
(61°F)		 17°C
(63°F)		 16°C
(61°F)		 11°C
(52°F)		 6°C
(43°F)		 2°C
(36°F)		 -2°C
(29°F)
Average low -6°C
(21°F)		 -7°C
(19°F)		 -5°C
(23°F)		 -1°C
(31°F)		 5°C
(41°F)		 11°C
(52°F)		 13°C
(55°F)		 12°C
(53°F)		 8°C
(46°F)		 4°C
(39°F)		 0°C
(32°F)		 -4°C
(25°F)
Mean minimum -19°C
(-3°F)		 -19°C
(-2°F)		 -17°C
(2°F)		 -8°C
(18°F)		 -2°C
(28°F)		 5°C
(42°F)		 8°C
(46°F)		 6°C
(44°F)		 1°C
(34°F)		 -4°C
(26°F)		 -8°C
(17°F)		 -11°C
(13°F)
Minimum -25°C
(-13°F)		 -28°C
(-18°F)		 -25°C
(-13°F)		 -13°C
(9°F)		 -4°C
(26°F)		 2°C
(35°F)		 6°C
(44°F)		 5°C
(42°F)		 -2°C
(29°F)		 -6°C
(22°F)		 -11°C
(13°F)		 -20°C
(-5°F)

Compare climate in Janakkala with other places

Compare temperature, precipitation, sunshine, UV index in Janakkala, Kanta-Häme, Finland with other places around the world.

Monthly average precipitation in Janakkala, Kanta-Häme, Finland §

Janakkala usually has the most precipitation in July, August and October, with an average of 13 rainy days and 80 mm (3.2 inches) of precipitation per month.The driest months in Janakkala are February, March and April. On average, 43 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Janakkala, Kanta-Häme, 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) 48 (1.9) 41 (1.6) 43 (1.7) 46 (1.8) 60 (2.4) 71 (2.8) 85 (3.4) 80 (3.2) 65 (2.6) 75 (2.9) 52 (2.1) 63 (2.5)
Average precipitation days (≥ 1 mm) 11 9 11 12 10 10 11 13 13 15 11 14

Monthly sunshine hours in Janakkala, Kanta-Häme, Finland §

The sunniest months in Janakkala are May, June and July, when the sun shines an average of 14 hours 57 minutes a day.Least sunny months in Janakkala: January, November and December receive an average of 1 hours 52 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Janakkala, Kanta-Häme, 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 43 138 248 345 430 478 466 387 266 157 88 41
Mean daily daylight hours 6h 32m 9h 1m 11h 51m 14h 44m 17h 27m 19h 4m 18h 11m 15h 39m 12h 49m 9h 58m 7h 16m 5h 40m

Solar UV radiation in Janakkala, Kanta-Häme, Finland §

Janakkala 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 Janakkala UV Index data.

Average daily maximum UV levels by month for Janakkala, Kanta-Häme, 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