Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August's onset in Reykjavík records a minor alteration in the average high-temperature to a cool 12.8°C (55°F) from July's 13.5°C (56.3°F). Reykjavík encounters a negligible difference from daytime peaks throughout the August nights, with a low-temperature average of 8.4°C (47.1°F).Humidity
In Reykjavík, the average relative humidity in August is 79%.Rainfall
In August, the rain falls for 14.8 days. Throughout August, 37mm (1.46") of precipitation is accumulated. In Reykjavík, Iceland, during the entire year, the rain falls for 166.2 days and collects up to 416mm (16.38") of precipitation.Snowfall
June through September are months without snowfall.Sea temperature
In Reykjavík, in August, the average water temperature is 11.3°C (52.3°F).Note: Beware when you're in 11.3°C (52.3°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
In August, the average length of the day in Reykjavík is 16h and 19min.On the first day of the month, sunrise is at 04:36 and sunset at 22:30. On the last day of August, in Reykjavík, Iceland, sunrise is at 06:08 and sunset at 20:45 GMT.
Sunshine
The month with the most sunshine is August, with an average of 7.4h of sunshine.UV index
In Reykjavík, the average daily maximum UV index in August is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In August, the maximum UV index of 3 suggests this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the temperature in August in Reykjavík?
What is the average humidity in August in Reykjavík?
How many days does it rain in August in Reykjavík?
When it does not snow in Reykjavík?
What is the sea water temperature in August in Reykjavík?
What is the average length of the day in August in Reykjavík?
When is the sunrise / sunset in August in Reykjavík?
What month has the most sunshine in Reykjavík?
How many hours of sunshine does Reykjavík have in August?
How high is the UV index in August in Reykjavík?
Average temperature in August
Reykjavík, Iceland
- Average high temperature in August: 12.8°C
The warmest month (with the highest average high temperature) is July (13.5°C).
The month with the lowest average high temperature is December (1.3°C).
- Average low temperature in August: 8.4°C
The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is December (-2.4°C).
Average pressure in August
Reykjavík, Iceland
- Average pressure in August: 1007.7mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is January (996.6mbar).
Average wind speed in August
Reykjavík, Iceland
- Average wind speed in August: 16km/h
The windiest month (with the highest average wind speed) is February (24.9km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity in August
Reykjavík, Iceland
- Average humidity in August: 79%
The months with the highest relative humidity are January, February and September (82%).
The month with the lowest relative humidity is May (75%).
Average rainfall in August
Reykjavík, Iceland
- Average rainfall in August: 37mm
The wettest month (with the highest rainfall) is January (47mm).
The driest months (with the least rainfall) are June and July (25mm).
Average rainfall days in August
Reykjavík, Iceland
- Average rainfall days in August: 14.8 days
The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is December (9.7 days).
Average snowfall in August
Reykjavík, Iceland
- Average snowfall in August: 0mm
The month with the highest snowfall is March (100mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in August
Reykjavík, Iceland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in August
Reykjavík, Iceland
- Average sea temperature in August: 11.3°C
The best month for swimming (with the highest average sea temperature) is July (11.4°C).
The coldest month (with the lowest average sea temperature) is March (5.1°C).
Average daylight in August /
Average sunshine in August
Reykjavík, 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 24min).
- Average sunshine in August: 7h and 2min
The month with the most sunshine is August (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in August
Reykjavík, Iceland
- Average sunshine days in August: 12.8 days
The month with the most sunshine days is December (14.1 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in August
Reykjavík, 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 November (UV index 1).
Average cloud cover in August
Reykjavík, Iceland
- Average cloud cover in August: 60
The months with the most cloud cover are March and April (Cloud cover 68).
The months with the least cloud cover are August and December (Cloud cover 60).
Average visibility in August
Reykjavík, 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, April, May, July, August, September, October, November and December (9km).
Reykjavík, Iceland
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