August weather forecastHafnir, Iceland
August
Weather in August
August, the last month of the summer in Hafnir, is another cool month, with temperature in the range of an average low of 9.8°C (49.6°F) and an average high of 12.2°C (54°F).Temperature
Hafnir's warmest season falls during July and August, averaging a high-temperature of 12.2°C (54°F).Humidity
July and August, with an average relative humidity of 81%, are the most humid months in Hafnir.Rainfall
In Hafnir, in August, during 14.5 rainfall days, 59mm (2.32") of precipitation is typically accumulated. In Hafnir, Iceland, during the entire year, the rain falls for 193.9 days and collects up to 833mm (32.8") of precipitation.Snowfall
June through September are months without snowfall in Hafnir.Daylight
In Hafnir, Iceland, the average length of the day in August is 16h and 16min.On the first day of August in Hafnir, sunrise is at 04:42 and sunset at 22:32. On the last day of the month, sunrise is at 06:13 and sunset at 20:48 GMT.
Sunshine
The month with the most sunshine is August, with an average of 7.6h of sunshine.UV index
In Hafnir, the average daily maximum UV index in August is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in August suggests the following recommendations:
Guard yourself - Avoiding sunburn is suggested. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hafnir, Iceland
- Average high temperature in August: 12.2°C
The warmest months (with the highest average high temperature) are July and August (12.2°C).
The months with the lowest average high temperature are February, March and December (4.2°C).
- Average low temperature in August: 9.8°C
The month with the highest average low temperature is July (9.9°C).
The coldest months (with the lowest average low temperature) are March and December (1.3°C).
Average pressure in August
Hafnir, Iceland
- Average pressure in August: 1007.6mbar
The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is January (996.1mbar).
Average wind speed in August
Hafnir, Iceland
- Average wind speed in August: 22.4km/h
The windiest month (with the highest average wind speed) is February (35km/h).
The calmest month (with the lowest average wind speed) is June (20.1km/h).
Average humidity in August
Hafnir, Iceland
- Average humidity in August: 81%
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is December (74%).
Average rainfall in August
Hafnir, Iceland
- Average rainfall in August: 59mm
The wettest month (with the highest rainfall) is January (99mm).
The driest month (with the least rainfall) is June (35mm).
Average rainfall days in August
Hafnir, Iceland
- Average rainfall days in August: 14.5 days
The month with the highest number of rainy days is September (19.9 days).
The month with the least rainy days is June (12.5 days).
Average snowfall in August
Hafnir, Iceland
- Average snowfall in August: 0mm
The month with the highest snowfall is March (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Hafnir, Iceland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Hafnir, Iceland
- Average daylight in August: 16h and 18min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in August: 7h and 36min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in August
Hafnir, Iceland
- Average sunshine days in August: 14.7 days
The month with the most sunshine days is June (15 days).
The months with the least sunshine days are March and April (7.1 days).
Average UV index in August
Hafnir, 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, March, April, May, October, November and December (UV index 2).
Average cloud cover in August
Hafnir, Iceland
- Average cloud cover in August: 60
The month with the most cloud cover is March (Cloud cover 69).
The months with the least cloud cover are May, July and August (Cloud cover 60).
Average visibility in August
Hafnir, Iceland
- Average visibility in August: 10km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).





