August weather forecast
Höfn, Iceland

August

Weather in August

August maintains the warmer climate of July with an average temperature of 10.3°C (50.5°F), while the sea temperature plateaus at its maximum of 10.5°C (50.9°F). The summery atmosphere remains, though there is a noticeable decrease in daylight hours. Despite this slight change, the visibility remains consistent. While the cloud cover percentage begins to increase again, the wind speed holds steady. All these characteristics underline the conclusion of summer in Höfn.

Temperature

July and August, with an average high-temperature of 10.3°C (50.5°F), are the warmest months in Höfn.

Humidity

In Höfn, the average relative humidity in August is 83%.

Rainfall

In Höfn, in August, it is raining for 17.3 days, with typically 96mm (3.78") of accumulated precipitation. Throughout the year, there are 197.4 rainfall days, and 1278mm (50.31") of precipitation is accumulated.

Snowfall

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

Sea temperature

With an average sea temperature of 10.5°C (50.9°F), August is the month with the warmest seawater in Höfn, Iceland.
Note: To swim in 10.5°C (50.9°F) at less than 10°C (50°F), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 13°C (55.4°F) is not welcoming.

Daylight

The average length of the day in August is 16h and 20min.
On the first day of the month, sunrise is at 04:09 and sunset at 22:05. On the last day of August, in Höfn, Iceland, sunrise is at 05:41 and sunset at 20:20 GMT.

Sunshine

The average sunshine in August in Höfn, Iceland, is 7.8h.

UV index

June through August, with an average maximum UV index of 3, are months with the highest UV index in Höfn. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 3 in August translates into the following instructions:
Take precautions - Protection against sunburn is recommended. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

What part of the year is the hottest in Höfn?
The peak of Höfn's temperatures is noted during July and August, averaging a high-temperature of 10.3°C (50.5°F).
What are August temperatures in Höfn?
The average high-temperature, in August, in Höfn, is 10.3°C (50.5°F), while the average low-temperature is 8.3°C (46.9°F).
What is the average humidity in August in Höfn?
The average relative humidity in August in Höfn, Iceland, is 83%.
How much does it rain in Höfn in August?
In Höfn, in August, during 17.3 rainfall days, 96mm (3.78") of precipitation is typically accumulated.
When it does not snow in Höfn?
June through September are months without snowfall in Höfn.
When is the sea warmest in Höfn?
The month with the warmest seawater in Höfn, Iceland, is August, with an average sea temperature of 10.5°C (50.9°F).
How cold is the water in August in Höfn?
In August, the average sea temperature in Höfn is 10.5°C (50.9°F). Swimming in 10.5°C (50.9°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
What is the average length of the day in August in Höfn?
In August, the average day length in Höfn, Iceland, is 16h and 20min.
When are sunrise and sunset in August in Höfn?
In August, on the first day of the month, sunrise is at 04:09 and sunset at 22:05. On the last day of the month, in Höfn, sunrise is at 05:41 and sunset at 20:20 GMT.
How long on average sun shines in August in Höfn?
In Höfn, the average sunshine duration in August is 7.8h.
What is the month with the highest UV index in Höfn?
The months with the highest UV index are June through August, with an average maximum UV index of 3.
How high is the UV index in August in Höfn?
In August, the average daily maximum UV index in Höfn, Iceland, is 3. A UV Index value of 3 to 5 symbolizes a medium health risk 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August - Höfn, Iceland
Average temperature in August
Höfn, Iceland
  • Average high temperature in August: 10.3°C

The warmest months (with the highest average high temperature) are July and August (10.3°C).
The month with the lowest average high temperature is December (2.2°C).

  • Average low temperature in August: 8.3°C

The months with the highest average low temperature are July and August (8.3°C).
The coldest month (with the lowest average low temperature) is December (-1.3°C).

Average pressure in August - Höfn, Iceland
Average pressure in August
Höfn, Iceland
  • Average pressure in August: 1008mbar

The month with the highest atmospheric pressure is June (1014.2mbar).
The month with the lowest atmospheric pressure is January (998.3mbar).

Average wind speed in August - Höfn, Iceland
Average wind speed in August
Höfn, Iceland
  • Average wind speed in August: 16.6km/h

The windiest month (with the highest average wind speed) is December (28.7km/h).
The calmest month (with the lowest average wind speed) is July (15.7km/h).

Average humidity in August - Höfn, Iceland
Average humidity in August
Höfn, Iceland
  • Average humidity in August: 83%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is December (77%).

Average rainfall in August - Höfn, Iceland
Average rainfall in August
Höfn, Iceland
  • Average rainfall in August: 96mm

The wettest month (with the highest rainfall) is February (151mm).
The driest month (with the least rainfall) is June (47mm).

Average rainfall days in August - Höfn, Iceland
Average rainfall days in August
Höfn, Iceland
  • Average rainfall days in August: 17.3 days

The month with the highest number of rainy days is October (19.5 days).
The month with the least rainy days is June (13.1 days).

Average snowfall in August - Höfn, Iceland
Average snowfall in August
Höfn, Iceland
  • Average snowfall in August: 0mm

The month with the highest snowfall is February (133mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in August - Höfn, Iceland
Average snowfall days in August
Höfn, Iceland
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is March (11.2 days).
The months with the least snowfall days are July, August and September (0 days).

Average sea temperature in August - Höfn, Iceland
Average sea temperature in August
Höfn, Iceland
  • Average sea temperature in August: 10.5°C

The best month for swimming (with the highest average sea temperature) is August (10.5°C).
The coldest months (with the lowest average sea temperature) are January and March (5.8°C).

Average daylight in August / Average sunshine in August - Höfn, Iceland
Average daylight in August /
Average sunshine in August
Höfn, Iceland
  • Average daylight in August: 16h and 2min

The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 18min).

  • Average sunshine in August: 7h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).

Average sunshine days in August - Höfn, Iceland
Average sunshine days in August
Höfn, Iceland
  • Average sunshine days in August: 10.4 days

The month with the most sunshine days is June (13.3 days).
The month with the least sunshine days is March (6.7 days).

Average UV index in August - Höfn, Iceland
Average UV index in August
Höfn, Iceland
  • Average UV index in August: 3

The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, April, May, September, October, November and December (UV index 2).

Average cloud cover in August - Höfn, Iceland
Average cloud cover in August
Höfn, Iceland
  • Average cloud cover in August: 58

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is December (Cloud cover 54).

Average visibility in August - Höfn, Iceland
Average visibility in August
Höfn, Iceland
  • Average visibility in August: 9km

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

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