August weather forecast
Tretten, Norway

August

Weather in August

August, the last month of the summer in Tretten, is also a moderate month, with temperature in the range of an average low of 5.7°C (42.3°F) and an average high of 15°C (59°F).

Temperature

As July transitions into August, the average high-temperature rests at a still refreshing 15°C (59°F), maintaining a close resemblance to the previous month. The temperature in Tretten lowers to an average of 5.7°C (42.3°F) during August nights.

Humidity

The average relative humidity in August is 80%.

Rainfall

In Tretten, in August, during 17.6 rainfall days, 45mm (1.77") of precipitation is typically accumulated. Throughout the year, there are 122 rainfall days, and 286mm (11.26") of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day in Tretten is 15h and 47min.
On the first day of the month, sunrise is at 04:51 and sunset at 21:58. On the last day of August, in Tretten, sunrise is at 06:09 and sunset at 20:28 CEST.

Sunshine

In Tretten, the average sunshine in August is 7.9h.

UV index

The average daily maximum UV index in August is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In August, a daily UV index of 3 turns into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

What is the average August temperature?
The average high-temperature, in August, in Tretten, is 15°C (59°F), while the average low-temperature is 5.7°C (42.3°F).
What is the average humidity in August?
In August, the average relative humidity is 80%.
How many days does it rain in August?
In Tretten, during August, the rain falls for 17.6 days and regularly aggregates up to 45mm (1.77") of precipitation.
When it does not snow?
In Tretten, snow does not fall in June through September.
What is the average length of the day in August?
In Tretten, the average day length in August is 15h and 47min.
When are sunrise and sunset in August?
On the first day of August, sunrise is at 04:51 and sunset at 21:58. On the last day of the month, sunrise is at 06:09 and sunset at 20:28 CEST.
How long on average sun shines in August?
In August, the average sunshine duration is 7.9h.
How high is the UV index in August?
The average daily maximum UV index in August is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August
Tretten, Norway
  • Average high temperature in August: 15°C

The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (-7.5°C).

  • Average low temperature in August: 5.7°C

The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is January (-13.7°C).

Average pressure in August
Tretten, Norway
  • Average pressure in August: 1011mbar

The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.2mbar).

Average wind speed in August
Tretten, Norway
  • Average wind speed in August: 9.3km/h

The windiest month (with the highest average wind speed) is June (10.9km/h).
The calmest months (with the lowest average wind speed) are April and November (8.8km/h).

Average humidity in August
Tretten, Norway
  • Average humidity in August: 80%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is June (70%).

Average rainfall in August
Tretten, Norway
  • Average rainfall in August: 45mm

The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is January (11mm).

Average rainfall days in August
Tretten, Norway
  • Average rainfall days in August: 17.6 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (3.5 days).

Average snowfall in August
Tretten, Norway
  • Average snowfall in August: 0mm

The month with the highest snowfall is December (75mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in August
Tretten, Norway
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Tretten, Norway
  • Average daylight in August: 15h and 5min

The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).

  • Average sunshine in August: 7h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).

Average sunshine days in August
Tretten, Norway
  • Average sunshine days in August: 11.3 days

The months with the most sunshine days are January and October (16.8 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in August
Tretten, Norway
  • Average UV index in August: 3

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, October and December (UV index 1).

Average cloud cover in August
Tretten, Norway
  • Average cloud cover in August: 55

The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 49).

Average visibility in August
Tretten, Norway
  • Average visibility in August: 8km

The months with the highest visibility are June and July (9km).
The months with the lowest visibility are January, March, April and November (6km).

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