August weather forecastHellnar, Iceland
August
Weather in August
The last month of the summer, August, is also a fresh month in Hellnar, Iceland, with an average temperature varying between 11.3°C (52.3°F) and 9.3°C (48.7°F).Temperature
Hellnar's temperature records reveal August as the warmest month, marked by average highs of 11.3°C (52.3°F) and lows of 9.3°C (48.7°F).Humidity
In Hellnar, the average relative humidity in August is 81%.Rainfall
In Hellnar, in August, during 14.8 rainfall days, 60mm (2.36") of precipitation is typically accumulated. In Hellnar, Iceland, during the entire year, the rain falls for 184.8 days and collects up to 827mm (32.56") of precipitation.Snowfall
In Hellnar, snow does not fall in June through August.Daylight
In August, the average length of the day in Hellnar, Iceland, is 16h and 27min.On the first day of the month, sunrise is at 04:37 and sunset at 22:44. On the last day of August, sunrise is at 06:14 and sunset at 20:55 GMT.
Sunshine
August has the most sunshine of the year, with an average of 7.8h of sunshine.UV index
In Hellnar, Iceland, the average daily maximum UV index in August is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In August, an average UV index of 3 transforms into the following instructions:
Make use of precautions - It is urged to ward off sun damage. To guard against the harmful effects of the Sun, minimize exposure during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hellnar, Iceland
- Average high temperature in August: 11.3°C
The warmest month (with the highest average high temperature) is August (11.3°C).
The month with the lowest average high temperature is March (3.3°C).
- Average low temperature in August: 9.3°C
The months with the highest average low temperature are July and August (9.3°C).
The coldest month (with the lowest average low temperature) is March (0.8°C).
Average pressure in August
Hellnar, Iceland
- Average pressure in August: 1008.3mbar
The month with the highest atmospheric pressure is June (1014.1mbar).
The month with the lowest atmospheric pressure is January (996.1mbar).
Average wind speed in August
Hellnar, Iceland
- Average wind speed in August: 21.7km/h
The windiest month (with the highest average wind speed) is February (36.4km/h).
The calmest month (with the lowest average wind speed) is June (19.4km/h).
Average humidity in August
Hellnar, Iceland
- Average humidity in August: 81%
The months with the highest relative humidity are June and July (82%).
The months with the lowest relative humidity are March and December (75%).
Average rainfall in August
Hellnar, Iceland
- Average rainfall in August: 60mm
The wettest month (with the highest rainfall) is January (96mm).
The driest month (with the least rainfall) is June (37mm).
Average rainfall days in August
Hellnar, Iceland
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is February (12.2 days).
Average snowfall in August
Hellnar, Iceland
- Average snowfall in August: 0mm
The month with the highest snowfall is March (99mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in August
Hellnar, Iceland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (9.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in August /
Average sunshine in August
Hellnar, Iceland
- Average daylight in August: 16h and 24min
The month with the longest days is June (Average daylight: 21h and 24min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in August: 7h and 48min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is June (Average sunshine: 0h and 54min).
Average sunshine days in August
Hellnar, Iceland
- Average sunshine days in August: 13.9 days
The month with the most sunshine days is July (14.2 days).
The month with the least sunshine days is January (4.7 days).
Average UV index in August
Hellnar, Iceland
- 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 and December (UV index 1).
Average cloud cover in August
Hellnar, Iceland
- Average cloud cover in August: 59
The month with the most cloud cover is March (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 56).
Average visibility in August
Hellnar, Iceland
- Average visibility in August: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March and December (8km).





