August weather forecastHesteyri, Iceland
August
Weather in August
August, the last month of the summer in Hesteyri, is another chilly month, with an average temperature fluctuating between 9.3°C (48.7°F) and 6.4°C (43.5°F).Temperature
Entering August, Hesteyri's average high-temperature reads a still frosty 9.3°C (48.7°F), indicating a close resemblance to the previous month's climate. August nights reveal a minor deviation from daytime highs, with a mean low-temperature of 6.4°C (43.5°F).Humidity
The months with the highest humidity are January, February, August through October, with an average relative humidity of 85%.Rainfall
In Hesteyri, in August, it is raining for 17.8 days, with typically 59mm (2.32") of accumulated precipitation. Throughout the year, there are 169 rainfall days, and 830mm (32.68") of precipitation is accumulated.Snowfall
In Hesteyri, snow does not fall in July and August.Daylight
In Hesteyri, Iceland, the average length of the day in August is 16h and 51min.On the first day of August, sunrise is at 04:16 and sunset at 22:59. On the last day of the month, sunrise is at 06:04 and sunset at 20:58 GMT.
Sunshine
The month with the most sunshine is August, with an average of 6.5h of sunshine.UV index
In Hesteyri, Iceland, the average daily maximum UV index in August is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 during August translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hesteyri, Iceland
- Average high temperature in August: 9.3°C
The warmest month (with the highest average high temperature) is July (9.5°C).
The month with the lowest average high temperature is March (-0.2°C).
- Average low temperature in August: 6.4°C
The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is March (-3°C).
Average pressure in August
Hesteyri, Iceland
- Average pressure in August: 1009.2mbar
The month with the highest atmospheric pressure is June (1014.8mbar).
The month with the lowest atmospheric pressure is January (997.4mbar).
Average wind speed in August
Hesteyri, Iceland
- Average wind speed in August: 17.1km/h
The windiest month (with the highest average wind speed) is December (29.6km/h).
The calmest month (with the lowest average wind speed) is June (15.7km/h).
Average humidity in August
Hesteyri, Iceland
- Average humidity in August: 85%
The months with the highest relative humidity are January, February, August, September and October (85%).
The months with the lowest relative humidity are May and June (82%).
Average rainfall in August
Hesteyri, Iceland
- Average rainfall in August: 59mm
The wettest month (with the highest rainfall) is January (101mm).
The driest month (with the least rainfall) is June (34mm).
Average rainfall days in August
Hesteyri, Iceland
- Average rainfall days in August: 17.8 days
The month with the highest number of rainy days is September (21.7 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in August
Hesteyri, Iceland
- Average snowfall in August: 0mm
The month with the highest snowfall is March (203mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in August
Hesteyri, Iceland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (18 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in August /
Average sunshine in August
Hesteyri, Iceland
- Average daylight in August: 16h and 48min
The month with the longest days is May (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 2h and 54min).
- Average sunshine in August: 6h and 30min
The month with the most sunshine is August (Average sunshine: 6h and 30min).
The month with the least sunshine is June (Average sunshine: 0h and 24min).
Average sunshine days in August
Hesteyri, Iceland
- Average sunshine days in August: 10.3 days
The month with the most sunshine days is June (13.9 days).
The month with the least sunshine days is March (3.5 days).
Average UV index in August
Hesteyri, Iceland
- Average UV index in August: 2
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in August
Hesteyri, Iceland
- Average cloud cover in August: 67
The month with the most cloud cover is March (Cloud cover 79).
The month with the least cloud cover is June (Cloud cover 61).
Average visibility in August
Hesteyri, Iceland
- Average visibility in August: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The month with the lowest visibility is March (7km).





