August weather forecast
Jonku, Finland

August

Weather in August

The last month of the summer, August, is another refreshing month in Jonku, Finland, with temperature in the range of an average low of 9.2°C (48.6°F) and an average high of 17.9°C (64.2°F).

Temperature

Jonku marks the arrival of August with an average high-temperature of an enjoyable 17.9°C (64.2°F), hardly different from July's 20.7°C (69.3°F). August nights experience a consistent temperature drop to a frosty 9.2°C (48.6°F).

Humidity

The average relative humidity in August is 78%.

Rainfall

In Jonku, in August, it is raining for 18.6 days, with typically 51mm (2.01") of accumulated precipitation. Throughout the year, there are 134 rainfall days, and 527mm (20.75") of precipitation is accumulated.

Snowfall

In Jonku, snow does not fall in July and August.

Daylight

In August, the average length of the day is 16h and 36min.
On the first day of August, sunrise is at 04:07 and sunset at 22:26. On the last day of the month, sunrise is at 05:47 and sunset at 20:34 EEST.

Sunshine

In Jonku, Finland, the average sunshine in August is 8.8h.

UV index

In Jonku, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In August, a daily UV index of 4 turns into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. To protect against the Sun's most potent rays, avoid direct exposure around midday. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

What are August temperatures?
In August, in Jonku, the average high-temperature is 17.9°C (64.2°F), and the average low-temperature is 9.2°C (48.6°F).
What is the average humidity in August?
In Jonku, the average relative humidity in August is 78%.
How many days does it rain in August?
In Jonku, in August, it is raining for 18.6 days, with typically 51mm (2.01") of accumulated precipitation.
When it does not snow?
In Jonku, snow does not fall in July and August.
Does it snow in August?
In Jonku, in August, it doesn't snow. In September, it regularly snows.
How many hours of daylight does Jonku have in August?
The average day length in August is 16h and 36min.
When are sunrise and sunset in August in Jonku?
In August, on the first day of the month, sunrise is at 04:07 and sunset at 22:26. On the last day of the month, sunrise is at 05:47 and sunset at 20:34 EEST.
How long on average sun shines in August?
The average sunshine duration in August is 8.8h.
What is the UV index reading in August?
The average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August
Jonku, Finland
  • Average high temperature in August: 17.9°C

The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-7.7°C).

  • Average low temperature in August: 9.2°C

The month with the highest average low temperature is July (11°C).
The coldest month (with the lowest average low temperature) is January (-12.7°C).

Average pressure in August
Jonku, Finland
  • Average pressure in August: 1011.6mbar

The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).

Average wind speed in August
Jonku, Finland
  • Average wind speed in August: 9.9km/h

The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is July (9.5km/h).

Average humidity in August
Jonku, Finland
  • Average humidity in August: 78%

The months with the highest relative humidity are January, February and December (96%).
The month with the lowest relative humidity is June (69%).

Average rainfall in August
Jonku, Finland
  • Average rainfall in August: 51mm

The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (29mm).

Average rainfall days in August
Jonku, Finland
  • Average rainfall days in August: 18.6 days

The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (2.6 days).

Average snowfall in August
Jonku, Finland
  • Average snowfall in August: 0mm

The month with the highest snowfall is March (284mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in August
Jonku, Finland
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is December (23.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in August /
Average sunshine in August
Jonku, Finland
  • Average daylight in August: 16h and 4min

The month with the longest days is June (Average daylight: 22h and 0min).
The month with the shortest days is December (Average daylight: 3h and 42min).

  • Average sunshine in August: 8h 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: 0h and 42min).

Average sunshine days in August
Jonku, Finland
  • Average sunshine days in August: 10 days

The month with the most sunshine days is October (12 days).
The month with the least sunshine days is April (6.8 days).

Average UV index in August
Jonku, 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, October, November and December (UV index 1).

Average cloud cover in August
Jonku, Finland
  • Average cloud cover in August: 50

The months with the most cloud cover are January and December (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 47).

Average visibility in August
Jonku, Finland
  • Average visibility in August: 8km

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

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