Climate and monthly weather forecast
Järvenpää, Finland

Climate and monthly weather forecast

The climate of Järvenpää

Järvenpää, a city in Finland, exudes a humid continental climate, warm summers and no distinct dry season, aptly classified as Dfb under the Köppen weather classification. The geographical position of the city lends to its distinct set of weather parameters, each exhibiting a unique pattern throughout the year.

Temperatures in Järvenpää range from an average high of -2.8°C (27°F) during the coldest months to a peak of 21.3°C (70.3°F) in the warmest periods. On the other hand, the minimum temperatures paint a similar picture, plunging to -6.5°C (20.3°F) on freezing occasions and scaling up to 13.7°C (56.7°F) at their highest romping point. Humidity levels tend to mimic the barometer, with the lowest average relative humidity of 69% recorded during May and highs of 92% during the frosty days of February.

Precipitation is seen in Järvenpää throughout the year, peaking during October with 48mm (1.89") falling over an average of 13.9 days. Through the year, the city experiences rainfall ranging from 15mm (0.59") to 48mm (1.89") with the number of wet days spanning between 3 in February and 15.5 in July, August and September. Meanwhile, snow laces the city ground with an annual range of snowfall between 94mm (3.7") in January and nil through May to September.

Daylight and sunshine vary largely due to seasonal swings. The city receives as little as 6.7 hours of daily sunlight during the dim days of January and extends to bask under 18.9 hours during the extensive daylight hours in June. Conversely, hours of clear, sunny weather range between a meager 1.7 hours per day in December to a bright 12.4 hours in June.

The best time to visit Järvenpää

For visitors seeking abundant sunshine and warm temperatures, June presents the best opportunity with an average high temperature of 17.9°C (64.2°F) and around 12.4 hours of clear, sunny weather. During this period, rainfall is relatively little with only 26mm (1.02") falling over 11 days on average. Meanwhile, humidity is at its second lowest at 71%, creating a comfortable atmosphere for outdoor activities. The daylight also extends up to 18.9 hours, providing longer periods for exploration and enjoyment.

The worst time to visit Järvenpää

Travelers who are not accustomed to colder temperatures may find the period between December and February to be less inviting. During this period, temperatures can drop to -6.5°C (20.3°F) accompanied by 74 to 75% cloud cover. Simultaneously, average daylight reduces to a bare minimum of 5.9 to 6.7 hours while the warming rays of the sun are fleeting, delivering only 1.7 to 2.1 hours of sunshine.

Spring weather in Järvenpää

Spring begins to bloom in Järvenpää from March as temperatures start to climb from the chilly highs of -2.3°C (27.9°F) in February to a mild 6.8°C (44.2°F) by April. Morning chills thaw out from -6.2°C (20.8°F) to 1.1°C (34°F) between these months. Rainfall remains relatively low during this period, and the city experiences an increase in daylight, creeping from 9.1 hours in February to 14.7 hours by April.

Summer weather in Järvenpää

Summer heralds in June with temperatures soaring up to a comfortable 17.9°C (64.2°F). July brings the warmest days of the year with temperatures reaching up to 21.3°C (70.3°F). The lowest temperatures during these nights do not fall below 10.4°C (50.7°F). Long sunny days with up to 18.9 hours daylight in June to 15.6 hours in August and minimal cloudiness make for ideal outdoor conditions.

Autumn weather in Järvenpää

Autumn sets in September with temperatures averaging between a high of 15.2°C (59.4°F) and a low of 9.8°C (49.6°F). The city begins to cool down as October and November roll in, with temperatures gradually falling to highs of 8°C (46.4°F) and lows of 1.3°C (34.3°F). Rainfall peaks in October at 48mm (1.89") over 13.9 days, as the city edges towards winter.

Winter weather in Järvenpää

The onset of winter in December introduces the coldest time of the year. January is conventionally the most frigid month, with average highs and lows of -2.8°C (27°F) and -6.5°C (20.3°F) respectively. February is no different as average temperatures hover around the zero mark. Snowfall is highest in January with an average of 94mm (3.7"), and the city normally experiences 11 snowfall days during this time. With shortened daylight hours from 5.9 to 6.7, winter in Järvenpää paints a serene picture of a snow-filled Scandinavian city.

Weather in January

In Järvenpää, Finland, a significant change occurs from December to January in terms of temperatures. The chill sets in and travellers are advised to prepare for cold weather. January experiences the lowest average temperatures, dipping to -6.5°C (20.3°F) at night and scarcely rising above -2.8°C (27°F) during the day. Weather in January »

Weather in February

February follows in the icy footprints laid down by January, featuring an equally frosty climate. The frosty weather dominates, making February one of the coldest months in the year. The February period in Järvenpää is notable for snowfall, though a slight decrease in frequency compared to January. Weather in February »

Weather in March

March ushers in a subtle change in Järvenpää's weather conditions, as winter starts transitioning towards spring. Warmer days are on the horizon, though ice and snow are still fairly common. A modest increase in temperature is experienced, peaking at around 0.8°C (33.4°F), a clear indication that spring is at the doorstep. Weather in March »

Weather in April

Shaking off its wintry cloak, Järvenpää welcomes spring in April. Clearer skies and longer daylight hours replace the dull, winter greys. Temperatures achieve a significant boost with 6.8°C (44.2°F) as the highest average. April is a perfect time to enjoy outdoor activities as the landscapes turn green. Weather in April »

Weather in May

May in Järvenpää represents a season in transition from the freshness of spring towards the warmth of summer. The weather becomes more agreeable with the greenery at its lush best. Daylight graces the city for a longer period, leading to sunnier and warmer days. Weather in May »

Weather in June

June marks the advent of summer in Järvenpää, boasting the longest daylight hours. The climatic conditions are ideal for outdoor activities and exploring the beautiful Finnish cityscape. On the other hand, rainfall begins to show a significant increase, peaking at 26mm (1.02") compared to the previous months. Weather in June »

Weather in July

July brings peak summer to the city of Järvenpää, offering the warmest weather of the year. The city sees an impressive amount of sunshine, promoting a holiday spirit. Temperatures climb to a high of 21.3°C (70.3°F), making the city a hotspot for tourists and visitors. Weather in July »

Weather in August

A delightful balance between the warmth of summer and the chill of the impending autumn is what August in Järvenpää is all about. It offers a cool contrast to the sizzling temperatures that July brings. The weather becomes more pleasant with cooler days and moderately warm nights. Weather in August »

Weather in September

September in Järvenpää sees the definitive advent of autumn, with shorter days and cooler temperatures. This is the time when green landscapes transform into hues of gold and red. However, heavy rainfall marks the month of September, resulting in an average precipitation of 38mm (1.5"). Weather in September »

Weather in October

As October steps in, Järvenpää, Finland starts gearing up for winter. The cool autumn breeze sweeps past the city, signaling the forthcoming cold season. Snowfall, although still rare, starts showing signs of arrival. Warm beverages and cozy outfits find their way back to the streets and households of Järvenpää. Weather in October »

Weather in November

November brings a distinct chill to the air in Järvenpää. The autumn leaves fall, making way for the winter snow. It gets decidedly colder, prompting people to bundle up in warm clothes and retreat indoors. Snowfall starts to make a steady mark with an accumulation of 37mm (1.46"). Weather in November »

Weather in December

Winter in its full force arrives in Järvenpää in December. The city becomes a winter wonderland, bathed in the soft glow of festive lights. The weather conditions are marked by severe cold and heavy snowfall, a classic Finnish winter ambiance. Weather in December »

Frequently asked questions

What part of the year is the coldest in Järvenpää?
In Järvenpää, January is known for its average lowest temperatures, reaching a high of -2.8°C (27°F) and a low of -6.5°C (20.3°F).
How many days does it rain in Järvenpää?
In Järvenpää, during the entire year, the rain falls for 120.2 days and collects up to 354mm (13.94") of precipitation.
When does it snow in Järvenpää?
January through May, October through December are months with snowfall in Järvenpää.
What is the snowiest month in Järvenpää?
The month with the most snowfall is January, when snow falls for 11 days and typically aggregates up to 94mm (3.7") of snow.
How many days does it snow in Järvenpää?
Throughout the year, there are 53.9 snowfall days, and 433mm (17.05") of snow is accumulated.
What are the months with the lowest UV index in Järvenpää?
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
What is the most humid month in Järvenpää?
The most humid month is February, with an average relative humidity of 92%.
What is the least humid month in Järvenpää?
May is the least humid month, with an average relative humidity of 69%.
What is the driest month in Järvenpää?
The month with the least rainfall in Järvenpää is May, when the rain falls for 8.3 days and typically collects 15mm (0.59") of precipitation.
When it does not snow in Järvenpää?
June through September are months without snowfall.
When are the longest days in Järvenpää?
June has the longest days of the year, with an average of 18h and 54min of daylight.
What month has the most sunshine in Järvenpää?
With an average of 12.4h of sunshine, June has the most sunshine of the year.
What month is the hottest in Järvenpää?
The month of July, characterized by an average high of 21.3°C (70.3°F) and a low of 13.7°C (56.7°F), is recognized as the warmest in Järvenpää.
When is the highest UV index in Järvenpää?
July is the month with the highest UV index, with an average maximum UV index of 5.
What is the rainiest month in Järvenpää?
The month with the most rainfall is October, when the rain falls for 13.9 days and typically aggregates up to 48mm (1.89") of precipitation.
When is Daylight Saving Time (DST) in Järvenpää?
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 03:00, and the time zone reverts from EET to EEST.
What is the month with the shortest days in Järvenpää?
The month with the shortest days is December, with an average of 5h and 54min of daylight.
What is the month with the least sunshine in Järvenpää?
With an average of 1.7h of sunshine, December has the least sunshine of the year.
Average temperature - Järvenpää, Finland
Average temperature
Järvenpää, Finland

The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-2.8°C).

The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).

Average pressure - Järvenpää, Finland
Average pressure
Järvenpää, Finland

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).

Average wind speed - Järvenpää, Finland
Average wind speed
Järvenpää, Finland

The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).

Average humidity - Järvenpää, Finland
Average humidity
Järvenpää, Finland

The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).

Average rainfall - Järvenpää, Finland
Average rainfall
Järvenpää, Finland

The wettest month (with the highest rainfall) is October (48mm).
The driest month (with the least rainfall) is May (15mm).

Average rainfall days - Järvenpää, Finland
Average rainfall days
Järvenpää, Finland

The months with the highest number of rainy days are July, August and September (15.5 days).
The month with the least rainy days is February (3 days).

Average snowfall - Järvenpää, Finland
Average snowfall
Järvenpää, Finland

The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days - Järvenpää, Finland
Average snowfall days
Järvenpää, Finland

The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Järvenpää, Finland
Average daylight / Average sunshine
Järvenpää, Finland

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).

Average sunshine days - Järvenpää, Finland
Average sunshine days
Järvenpää, Finland

The month with the most sunshine days is May (21.9 days).
The month with the least sunshine days is November (11.1 days).

Average UV index - Järvenpää, Finland
Average UV index
Järvenpää, Finland

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover - Järvenpää, Finland
Average cloud cover
Järvenpää, Finland

The months with the most cloud cover are February and December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).

Average visibility - Järvenpää, Finland
Average visibility
Järvenpää, Finland

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are February and March (7km).

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