August weather forecast
Nagu, Finland

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Weather in August

August, the last month of the summer in Nagu, is another refreshing month, with an average temperature fluctuating between 13.8°C (56.8°F) and 19.7°C (67.5°F).

Temperature

With the onset of August, the average high-temperature stands at a comfortable 19.7°C (67.5°F), closely aligned with July's 20.4°C (68.7°F). Throughout August, the nighttime temperature averages to a still refreshing 13.8°C (56.8°F).

Humidity

The average relative humidity in August in Nagu, Finland, is 75%.

Rainfall

In Nagu, Finland, in August, during 14.5 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, in Nagu, there are 133.7 rainfall days, and 390mm (15.35") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Nagu.

Sea temperature

August is the month with the warmest seawater in Nagu, with an average sea temperature of 12.4°C (54.3°F).
Note: Immersing oneself in 12.4°C (54.3°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.

Daylight

The average length of the day in August in Nagu is 15h and 36min.
On the first day of the month, sunrise is at 05:13 and sunset at 22:04. On the last day of August, in Nagu, sunrise is at 06:25 and sunset at 20:39 EEST.

Sunshine

In Nagu, the average sunshine in August is 9.9h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 5 in August leads to these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Feb 1, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the average August temperature in Nagu?

The high-temperature during August is 19.7°C (67.5°F) and the low-temperature is 13.8°C (56.8°F).

What is the average humidity in August in Nagu?

The average relative humidity in August in Nagu, Finland, is 75%.

How many days does it rain in August in Nagu?

In Nagu, in August, during 14.5 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

When it does not snow in Nagu?

In Nagu, snow does not fall in June through September.

What is the month with the warmest sea water in Nagu?

With an average sea temperature of 12.4°C (54.3°F), August is the month with the warmest seawater in Nagu, Finland.

How cold is the water in August in Nagu?

In Nagu, Finland, the average seawater temperature in August is 12.4°C (54.3°F). Swimming in 12.4°C (54.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

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

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

What time are sunrise and sunset in August in Nagu?

In August, on the first day of the month, sunrise is at 05:13 and sunset at 22:04. On the last day of the month, in Nagu, Finland, sunrise is at 06:25 and sunset at 20:39 EEST.

How long on average sun shines in August in Nagu?

In Nagu, the average sunshine duration in August is 9.9h.

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

June through August, with an average maximum UV index of 5, are months with the highest UV index in Nagu.

How high is the UV index in August in Nagu?

In August, the average daily maximum UV index in Nagu is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Nagu, Finland

Average temperature in August - Nagu, Finland
  • Average high temperature in August: 19.7°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 August: 13.8°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 August
Nagu, Finland

Average pressure in August - Nagu, Finland
  • Average pressure in August: 1012.9mbar

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 August
Nagu, Finland

Average wind speed in August - Nagu, Finland
  • Average wind speed in August: 14.3km/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 August
Nagu, Finland

Average humidity in August - Nagu, 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 (71%).

Average rainfall in August
Nagu, Finland

Average rainfall in August - Nagu, Finland
  • Average rainfall in August: 38mm

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

Average rainfall days in August
Nagu, Finland

Average rainfall days in August - Nagu, Finland
  • Average rainfall days in August: 14.5 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 August
Nagu, Finland

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

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 August
Nagu, Finland

Average snowfall days in August - Nagu, Finland
  • Average snowfall days in August: 0 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 sea temperature in August
Nagu, Finland

Average sea temperature in August - Nagu, Finland
  • Average sea temperature in August: 12.4°C

The best month for swimming (with the highest average sea temperature) is August (12.4°C).
The coldest months (with the lowest average sea temperature) are February and March (-0.2°C).

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

Average daylight in August / Average sunshine in August - Nagu, 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: 9h and 5min

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 August
Nagu, Finland

Average sunshine days in August - Nagu, Finland
  • Average sunshine days in August: 13.8 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 August
Nagu, Finland

Average UV index in August - Nagu, Finland
  • Average UV index in August: 5

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 August
Nagu, Finland

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

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 August
Nagu, Finland

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

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).

Nagu, Finland

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