Climate and monthly weather forecastNiinisaari, Finland

Climate and monthly weather forecast

Weather in January

January, the same as December, in Niinisaari, Finland, is another subzero cold winter month, with an average temperature varying between -8.6°C (16.5°F) and -4.7°C (23.5°F). Niinisaari's coldest month, January, registers temperatures that range from a high of -4.7°C (23.5°F) to a low of -8.6°C (16.5°F). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Niinisaari, Finland, with an average temperature ranging between min -8°C (17.6°F) and max -3.7°C (25.3°F). The beginning of February records an average high-temperature of a still freezing cold -3.7°C (25.3°F), marking a negligible difference from January's -4.7°C (23.5°F). Weather in February »

Weather in March

The first month of the spring, March, is also a subzero cold month in Niinisaari, Finland, with an average temperature ranging between max -0.2°C (31.6°F) and min -5.4°C (22.3°F). As Niinisaari welcomes March, the average high-temperature displays a subtle shift, adjusting from a subzero cold -3.7°C (25.3°F) in February to a still freezing cold -0.2°C (31.6°F). Weather in March »

Weather in April

April is a chilly spring month in Niinisaari, Finland, with an average temperature fluctuating between 6.3°C (43.3°F) and -0.2°C (31.6°F). Niinisaari in April experiences an increase in the average high-temperature, moving from March's freezing cold -0.2°C (31.6°F) to a frosty 6.3°C (43.3°F). Weather in April »

Weather in May

May, the last month of the spring in Niinisaari, is a moderate month, with temperature in the range of an average low of 6.1°C (43°F) and an average high of 15.1°C (59.2°F). The start of May brings a distinct shift in the average high-temperature, escalating from April's frosty 6.3°C (43.3°F) to a mild 15.1°C (59.2°F). Weather in May »

Weather in June

The first month of the summer, June, is a comfortable month in Niinisaari, Finland, with an average temperature fluctuating between 19°C (66.2°F) and 10°C (50°F). Niinisaari experiences a minor temperature shift with the start of June, with average high-temperatures moving from 15.1°C (59.2°F) in May to a still refreshing 19°C (66.2°F). Weather in June »

Weather in July

July is a pleasant summer month in Niinisaari, Finland, with an average temperature ranging between min 13.3°C (55.9°F) and max 22.3°C (72.1°F). In Niinisaari, the highest average temperatures are observed in July, with a high of 22.3°C (72.1°F) and a low of 13.3°C (55.9°F). Weather in July »

Weather in August

The last month of the summer, August, is also an agreeable month in Niinisaari, Finland, with temperature in the range of an average high of 20.5°C (68.9°F) and an average low of 12.1°C (53.8°F). The average high-temperature during August registers at a still pleasant 20.5°C (68.9°F), closely corresponding to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Niinisaari, is still a refreshing month, with an average temperature fluctuating between 14.7°C (58.5°F) and 8.5°C (47.3°F). With the onset of September, Niinisaari experiences a modest temperature adjustment, with the average high-temperature receding from a pleasant 20.5°C (68.9°F) in August to a mild 14.7°C (58.5°F). Weather in September »

Weather in October

October, the same as September, in Niinisaari, Finland, is a frosty autumn month, with temperature in the range of an average high of 6.7°C (44.1°F) and an average low of 2.9°C (37.2°F). The transition into October is accompanied by a temperature decrease, with the average high-temperature shifting from a mild 14.7°C (58.5°F) in September to a chilly 6.7°C (44.1°F). Weather in October »

Weather in November

November, the last month of the autumn in Niinisaari, is another cold month, with an average temperature varying between -0.5°C (31.1°F) and 2.5°C (36.5°F). A subtle shift in Niinisaari's weather is observed as October turns into November, with the average high temperature reducing from a frosty 6.7°C (44.1°F) to an icy 2.5°C (36.5°F). Weather in November »

Weather in December

December, the first month of the winter in Niinisaari, is still a freezing cold month, with an average temperature ranging between max -1.3°C (29.7°F) and min -4.8°C (23.4°F). A minor decrease in the average high-temperature is observed during December, shifting from a cold 2.5°C (36.5°F) in November to a subzero cold -1.3°C (29.7°F). Weather in December »

Frequently asked questions

The coldest month is January, with an average high-temperature of -4.7°C (23.5°F) and an average low-temperature of -8.6°C (16.5°F).

In Niinisaari, during the entire year, the rain falls for 150.8 days and collects up to 525mm (20.67") of precipitation.

Months with snowfall are January through May, October through December.

The month with the most snowfall is January, when snow falls for 22.8 days and typically aggregates up to 262mm (10.31") of snow.

In Niinisaari, during the entire year, snow falls for 116.2 days and aggregates up to 1228mm (48.35") of snow.

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

The most humid month is February, with an average relative humidity of 95%.

April is the month with the least rainfall in Niinisaari. Rain falls for 13.9 days and accumulates 32mm (1.26") of precipitation.

May is the least humid month in Niinisaari, with an average relative humidity of 66%.

June through September are months without snowfall.

June has the longest days of the year in Niinisaari, with an average of 19h and 18min of daylight.

June has the most sunshine of the year, with an average of 11.7h of sunshine.

June and July, with an average maximum UV index of 5, are months with the highest UV index.

Niinisaari's July weather, marked by an average high temperature of 22.3°C (72.1°F) and an average low temperature of 13.3°C (55.9°F), is the warmest in the year.

August is the month with the most rainfall. Rain falls for 16.4 days and accumulates 53mm (2.09") of precipitation.

On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Niinisaari, Finland, 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.

With an average of 5h and 36min of daylight, December has the shortest days of the year.

December has the least sunshine of the year, with an average of 0.9h of sunshine.

Average temperature
Niinisaari, Finland

The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (-4.7°C).

The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-8.6°C).

Average pressure
Niinisaari, Finland

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).

Average wind speed
Niinisaari, Finland

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).

Average humidity
Niinisaari, Finland

The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).

Average rainfall
Niinisaari, Finland

The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (32mm).

Average rainfall days
Niinisaari, Finland

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (4.3 days).

Average snowfall
Niinisaari, Finland

The month with the highest snowfall is January (262mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days
Niinisaari, Finland

The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Niinisaari, Finland

The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).

Average sunshine days
Niinisaari, Finland

The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (4.7 days).

Average UV index
Niinisaari, Finland

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

Average cloud cover
Niinisaari, Finland

The month with the most cloud cover is February (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 42).

Average visibility
Niinisaari, Finland

The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).