April weather forecastVaisaari, Finland

April weather for Vaisaari, Finland: In Vaisaari, Finland, during April, snow falls for 3.1 days and regularly aggregates up to 23mm (0.91") of snow. In Vaisaari, during April, the rain falls for 9.9 days and regularly aggregates up to 19mm (0.75") of precipitation.

April

Weather in April

April in Vaisaari, Finland, is a frosty spring month, with an average temperature fluctuating between 6.8°C (44.2°F) and 1.4°C (34.5°F).

Temperature

The commencement of April sees a shift in the average high-temperature, moving from a cold 1.3°C (34.3°F) in March to a chilly 6.8°C (44.2°F). The average nighttime temperature in Vaisaari lowers to a cold 1.4°C (34.5°F) throughout April.

Humidity

In April, the average relative humidity is 77%.

Rainfall

April is the month with the least rainfall. Rain falls for 9.9 days and accumulates 19mm (0.75") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Vaisaari, during April, snow falls for 3.1 days and regularly aggregates up to 23mm (0.91") of snow. Throughout the year, in Vaisaari, there are 60.5 snowfall days, and 454mm (17.87") of snow is accumulated.

Daylight

In Vaisaari, the average length of the day in April is 14h and 40min.
On the first day of April in Vaisaari, sunrise is at 06:53 and sunset at 20:16. On the last day of the month, sunrise is at 05:27 and sunset at 21:29 EEST.

Sunshine

The average sunshine in April is 7.6h.

UV index

In April, the average daily maximum UV index in Vaisaari is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 3 during April translates into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

Vaisaari in April has an average high-temperature of 6.8°C (44.2°F) and an average low-temperature of 1.4°C (34.5°F).

In Vaisaari, Finland, the average relative humidity in April is 77%.

April is the month with the least rainfall in Vaisaari. Rain falls for 9.9 days and accumulates 19mm (0.75") of precipitation.

In Vaisaari, during April, the rain falls for 9.9 days and regularly aggregates up to 19mm (0.75") of precipitation.

In Vaisaari, Finland, during April, snow falls for 3.1 days and regularly aggregates up to 23mm (0.91") of snow.

The average day length in April is 14h and 40min.

In April, on the first day of the month, sunrise is at 06:53 and sunset at 20:16. On the last day of the month, in Vaisaari, sunrise is at 05:27 and sunset at 21:29 EEST.

In April, the average sunshine duration in Vaisaari, Finland, is 7.6h.

In April, the average daily maximum UV index in Vaisaari, Finland, is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Vaisaari, Finland

  • Average high temperature in April: 6.8°C

The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).

  • Average low temperature in April: 1.4°C

The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).

Average pressure in April
Vaisaari, Finland

  • Average pressure in April: 1013.6mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).

Average wind speed in April
Vaisaari, Finland

  • Average wind speed in April: 15.5km/h

The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).

Average humidity in April
Vaisaari, Finland

  • Average humidity in April: 77%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).

Average rainfall in April
Vaisaari, Finland

  • Average rainfall in April: 19mm

The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in April
Vaisaari, Finland

  • Average rainfall days in April: 9.9 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).

Average snowfall in April
Vaisaari, Finland

  • Average snowfall in April: 23mm

The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in April
Vaisaari, Finland

  • Average snowfall days in April: 3.1 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Vaisaari, Finland

  • Average daylight in April: 14h and 42min

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).

  • Average sunshine in April: 7h and 36min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).

Average sunshine days in April
Vaisaari, Finland

  • Average sunshine days in April: 15.8 days

The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).

Average UV index in April
Vaisaari, Finland

  • Average UV index in April: 3

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

Average cloud cover in April
Vaisaari, Finland

  • Average cloud cover in April: 50

The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in April
Vaisaari, Finland

  • Average visibility in April: 9km

The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are February and March (8km).