Monthly weather forecast and climate
Lahti, Finland

Weather in January

January, the same as December, in Lahti, Finland, is another subzero cold winter month, with average temperature varying between -4.5°C (23.9°F) and -8.9°C (16°F). With an average high-temperature of -4.5°C (23.9°F) and an average low-temperature of -8.9°C (16°F), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Lahti, is another freezing cold month, with average temperature varying between -8.4°C (16.9°F) and -3.3°C (26.1°F). In February, the average high-temperature is almost the same as in January - a still subzero cold -3.3°C (26.1°F). Weather in February »

Weather in March

March, the first month of the spring, in Lahti, is a wintry month, with average temperature varying between 0°C (32°F) and -5.7°C (21.7°F). In Lahti, the average high-temperature in March marginally rises, from a freezing cold -3.3°C (26.1°F) in February, to a cold 0°C (32°F). Weather in March »

Weather in April

April is a chilly spring month in Lahti, Finland, with temperature in the range of an average low of 0°C (32°F) and an average high of 7.2°C (45°F). In Lahti, Finland, the average high-temperature in April rises, from a cold 0°C (32°F) in March, to a chilly 7.2°C (45°F). Weather in April »

Weather in May

May, the last month of the spring, in Lahti, is a mild month, with average temperature fluctuating between 15.5°C (59.9°F) and 5.9°C (42.6°F). In Lahti, the average high-temperature in May soars, from a chilly 7.2°C (45°F) in April, to a mild 15.5°C (59.9°F). Weather in May »

Weather in June

The first month of the summer, June, is an enjoyable month in Lahti, Finland, with average temperature varying between 9.3°C (48.7°F) and 18.9°C (66°F). In June, the average high-temperature slightly increases, from a mild 15.5°C (59.9°F) in May, to an enjoyable 18.9°C (66°F). Weather in June »

Weather in July

July is an agreeable summer month in Lahti, Finland, with average temperature ranging between min 12.4°C (54.3°F) and max 22°C (71.6°F). July is the warmest month, with an average high-temperature of 22°C (71.6°F) and an average low-temperature of 12.4°C (54.3°F). Weather in July »

Weather in August

August, the last month of the summer, in Lahti, is also an agreeable month, with average temperature fluctuating between 20.3°C (68.5°F) and 11.3°C (52.3°F). In Lahti, the average high-temperature is almost the same as in July - a still pleasant 20.3°C (68.5°F). Weather in August »

Weather in September

September, the first month of the autumn, in Lahti, is still a mild month, with average temperature ranging between min 7.7°C (45.9°F) and max 14.9°C (58.8°F). In Lahti, the average high-temperature drops, from an agreeable 20.3°C (68.5°F) in August, to a mild 14.9°C (58.8°F). Weather in September »

Weather in October

October, the same as September, in Lahti, Finland, is another chilly autumn month, with average temperature varying between 2.4°C (36.3°F) and 6.8°C (44.2°F). In Lahti, the average high-temperature in October plummets, from a moderate 14.9°C (58.8°F) in September, to a frosty 6.8°C (44.2°F). Weather in October »

Weather in November

November, the last month of the autumn, in Lahti, is another cold month, with temperature in the range of an average high of 2.3°C (36.1°F) and an average low of -0.6°C (30.9°F). In November, the average high-temperature marginally drops, from a frosty 6.8°C (44.2°F) in October, to a wintry 2.3°C (36.1°F). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Lahti, Finland, with average temperature varying between -5.1°C (22.8°F) and -1.4°C (29.5°F). In Lahti, the average high-temperature marginally drops, from a wintry 2.3°C (36.1°F) in November, to a subzero cold -1.4°C (29.5°F). Weather in December »
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FAQ

What is the coldest month in Lahti?

January is the coldest month in Lahti, with an average high-temperature of -4.5°C (23.9°F) and an average low-temperature of -8.9°C (16°F).

How much does it rain in Lahti?

Throughout the year, in Lahti, Finland, there are 118.7 rainfall days, and 398mm (15.67") of precipitation is accumulated.

When does it snow in Lahti?

January through May, September through December are months with snowfall in Lahti.

How many days does it snow in Lahti?

Throughout the year, in Lahti, there are 93.7 snowfall days, and 918mm (36.14") of snow is accumulated.

What is the snowiest month in Lahti?

The month with the most snowfall in Lahti, Finland, is January when snow falls for 18.9 days and typically aggregates up to 196mm (7.72") of snow.

What are the months with the lowest UV index in Lahti?

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.

What is the most humid month in Lahti?

February is the most humid month in Lahti, Finland, with an average relative humidity of 95%.

What is the driest month in Lahti?

April is the month with the least rainfall in Lahti. Rain falls for 11.6 days and accumulates 24mm (0.94") of precipitation.

What is the least humid month in Lahti?

The least humid month is May, with an average relative humidity of 67%.

When it does not snow in Lahti?

In Lahti snow does not fall in June through August.

When are the longest days in Lahti?

With an average of 19.1h of daylight, June has the longest days of the year.

What month has the most sunshine in Lahti?

June has the most sunshine of the year in Lahti, Finland, with an average of 11.6h of sunshine.

What is the warmest month in Lahti?

The warmest month in Lahti is July, with an average high-temperature of 22°C (71.6°F) and an average low-temperature of 12.4°C (54.3°F).

What is the wettest month in Lahti?

July is the month with the most rainfall in Lahti, Finland. Rain falls for 14.3 days and accumulates 46mm (1.81") of precipitation.

What is the month with the highest UV index in Lahti?

With an average maximum UV index of 5, July is the month with the highest UV index in Lahti, Finland.

What is the month with the shortest days in Lahti?

December has the shortest days of the year in Lahti, with an average of 5.7h of daylight.

What is the month with the least sunshine in Lahti?

December has the least sunshine of the year in Lahti, Finland, with an average of 1.4h of sunshine.

Average pressure
Lahti, Finland

Average pressure - Lahti, Finland

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).

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Average wind speed
Lahti, Finland

Average wind speed - Lahti, Finland

The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

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Average rainfall
Lahti, Finland

Average rainfall - Lahti, Finland

The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (24mm).

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Average rainfall days
Lahti, Finland

Average rainfall days - Lahti, Finland

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (3.7 days).

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Average snowfall
Lahti, Finland

Average snowfall - Lahti, Finland

The month with the highest snowfall is January (196mm).
Months with the least snowfall are June, July and August (0mm).

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Average snowfall days
Lahti, Finland

Average snowfall days - Lahti, Finland

Months with the highest number of snowfall days are January and December (18.9 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Lahti, Finland

Average daylight / Average sunshine - Lahti, Finland

The month with the longest days is June (Average daylight: 19.1h).
The month with the shortest days is December (Average daylight: 5.7h).

The month with the most sunshine is June (Average sunshine: 11.6h).
The month with the least sunshine is December (Average sunshine: 1.4h).

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Average sunshine days
Lahti, Finland

Average sunshine days - Lahti, Finland

Months with the most sunshine days are May and August (17.6 days).
The month with the least sunshine days is December (8.4 days).

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Average UV index
Lahti, Finland

Average UV index - Lahti, Finland

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

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