August weather forecast
Viikki, Finland

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Weather in August

The last month of the summer, August, is another refreshing month in Viikki, Finland, with temperature in the range of an average high of 19.6°C (67.3°F) and an average low of 14.4°C (57.9°F).

Temperature

The average high-temperature is an enjoyable 19.6°C (67.3°F) in August, hardly different from the 20.4°C (68.7°F) recorded in July. The average temperature during August nights in Viikki is registered at a still refreshing 14.4°C (57.9°F).

Humidity

In August, the average relative humidity is 75%.

Rainfall

In Viikki, Finland, during August, the rain falls for 14.9 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, in Viikki, Finland, there are 144.6 rainfall days, and 465mm (18.31") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Viikki, the average length of the day in August is 15h and 36min.
On the first day of August in Viikki, sunrise is at 05:00 and sunset at 21:51. On the last day of the month, sunrise is at 06:13 and sunset at 20:26 EEST.

Sunshine

In August, the average sunshine in Viikki is 10h.

UV index

The average daily maximum UV index in August is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In August, a regular UV index of 4 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Jan 31, 2024 | Published by: Weather Atlas | Resources

Frequently asked questions

What are August temperatures in Viikki?

In August, in Viikki, the average high-temperature is 19.6°C (67.3°F), and the average low-temperature is 14.4°C (57.9°F).

What is the average humidity in August in Viikki?

In August, the average relative humidity in Viikki, Finland, is 75%.

How many days does it rain in August in Viikki?

In Viikki, Finland, in August, during 14.9 rainfall days, 39mm (1.54") of precipitation is typically accumulated.

When it does not snow in Viikki?

In Viikki, Finland, snow does not fall in June through September.

What is the average length of the day in August in Viikki?

In Viikki, the average day length in August is 15h and 36min.

When is the sunrise / sunset in August in Viikki?

On the first day of August in Viikki, sunrise is at 05:00 and sunset at 21:51. On the last day of the month, sunrise is at 06:13 and sunset at 20:26 EEST.

How many hours of sunshine does Viikki have in August?

In August, the average sunshine duration in Viikki, Finland, is 10h.

What is the UV index intensity in August in Viikki?

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in August
Viikki, Finland

Average temperature in August - Viikki, Finland
  • Average high temperature in August: 19.6°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 (-2.2°C).

  • Average low temperature in August: 14.4°C

The month with the highest average low temperature is July (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).

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Average pressure in August
Viikki, Finland

Average pressure in August - Viikki, Finland
  • Average pressure in August: 1013.4mbar

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

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Average wind speed in August
Viikki, Finland

Average wind speed in August - Viikki, Finland
  • Average wind speed in August: 14.5km/h

The windiest month (with the highest average wind speed) is December (21.1km/h).
The calmest month (with the lowest average wind speed) is May (13.7km/h).

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Average humidity in August
Viikki, Finland

Average humidity in August - Viikki, Finland
  • Average humidity in August: 75%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (72%).

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Average rainfall in August
Viikki, Finland

Average rainfall in August - Viikki, Finland
  • Average rainfall in August: 39mm

The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (27mm).

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Average rainfall days in August
Viikki, Finland

Average rainfall days in August - Viikki, Finland
  • Average rainfall days in August: 14.9 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.4 days).

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Average snowfall in August
Viikki, Finland

Average snowfall in August - Viikki, Finland
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (159mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in August
Viikki, Finland

Average snowfall days in August - Viikki, Finland
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Viikki, Finland

Average daylight in August / Average sunshine in August - Viikki, Finland
  • Average daylight in August: 15h and 4min

The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).

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Average sunshine days in August
Viikki, Finland

Average sunshine days in August - Viikki, Finland
  • Average sunshine days in August: 13.7 days

The month with the most sunshine days is May (17 days).
The month with the least sunshine days is December (5.6 days).

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Average UV index in August
Viikki, Finland

Average UV index in August - Viikki, Finland
  • Average UV index in August: 4

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).

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Average cloud cover in August
Viikki, Finland

Average cloud cover in August - Viikki, Finland
  • Average cloud cover in August: 36

The month with the most cloud cover is December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).

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Average visibility in August
Viikki, Finland

Average visibility in August - Viikki, Finland
  • Average visibility in August: 10km

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

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Viikki, Finland

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