August weather forecastDalvik, Iceland
August
Weather in August
In August, temperatures in Dalvik edge downwards ever so slightly, ranging from 10°C (50°F) on the warm end to a mild 4.8°C (40.6°F) on the cooler side. Dusk begins to set in noticeably earlier, hinting at the conclusion of the brief but vibrant Icelandic summer. The generous daylight still puts a premium on outdoor activities, although the gathering clouds may occasionally play spoiltsport. The land and sea continue to thrive under moderate temperatures, offering ample wildlife and nature photography opportunities. Despite the declining temperature, the city is abuzz with a sense of urgency to lap up the remnants of summer fun.Temperature
Dalvik signifies an average high-temperature of a still cool 10°C (50°F) in August, closely mirroring the 11.1°C (52°F) of July. Dalvik, during the nights of August, experiences an average temperature drop to a wintry 4.8°C (40.6°F).Humidity
In August, the average relative humidity in Dalvik is 82%.Rainfall
In Dalvik, Iceland, in August, during 22.3 rainfall days, 77mm (3.03") of precipitation is typically accumulated. In Dalvik, Iceland, during the entire year, the rain falls for 177.8 days and collects up to 881mm (34.69") of precipitation.Snowfall
July and August are months without snowfall.Sea temperature
The month with the warmest seawater in Dalvik is August, with an average sea temperature of 9.3°C (48.7°F).Note: It is life-risking to swim in 9.3°C (48.7°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance.
Daylight
In August, the average length of the day in Dalvik is 16h and 45min.On the first day of the month, sunrise is at 04:03 and sunset at 22:37. On the last day of August, sunrise is at 05:48 and sunset at 20:39 GMT.
Sunshine
In August, the average sunshine is 6.4h.UV index
April through September, with an average maximum UV index of 2, are months with the highest UV index in Dalvik, Iceland. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: In August, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Dalvik, Iceland
- Average high temperature in August: 10°C
The warmest month (with the highest average high temperature) is July (11.1°C).
The month with the lowest average high temperature is December (-3.8°C).
- Average low temperature in August: 4.8°C
The month with the highest average low temperature is July (5.6°C).
The coldest month (with the lowest average low temperature) is December (-9.1°C).
Average pressure in August
Dalvik, Iceland
- Average pressure in August: 1008.5mbar
The month with the highest atmospheric pressure is June (1014.3mbar).
The month with the lowest atmospheric pressure is January (998.5mbar).
Average wind speed in August
Dalvik, Iceland
- Average wind speed in August: 10.3km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest month (with the lowest average wind speed) is July (9.9km/h).
Average humidity in August
Dalvik, Iceland
- Average humidity in August: 82%
The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (77%).
Average rainfall in August
Dalvik, Iceland
- Average rainfall in August: 77mm
The wettest month (with the highest rainfall) is December (115mm).
The driest month (with the least rainfall) is June (40mm).
Average rainfall days in August
Dalvik, Iceland
- Average rainfall days in August: 22.3 days
The months with the highest number of rainy days are July and August (22.3 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in August
Dalvik, Iceland
- Average snowfall in August: 0mm
The month with the highest snowfall is December (511mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in August
Dalvik, Iceland
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is March (20.9 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in August
Dalvik, Iceland
- Average sea temperature in August: 9.3°C
The best month for swimming (with the highest average sea temperature) is August (9.3°C).
The coldest month (with the lowest average sea temperature) is February (2.3°C).
Average daylight in August /
Average sunshine in August
Dalvik, Iceland
- Average daylight in August: 16h and 48min
The month with the longest days is July (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 3h and 12min).
- Average sunshine in August: 6h and 24min
The month with the most sunshine is May (Average sunshine: 6h and 42min).
The month with the least sunshine is June (Average sunshine: 1h and 6min).
Average sunshine days in August
Dalvik, Iceland
- Average sunshine days in August: 6.8 days
The month with the most sunshine days is May (8.9 days).
The month with the least sunshine days is September (5.7 days).
Average UV index in August
Dalvik, Iceland
- Average UV index in August: 2
The months with the highest UV index are April, May, June, July, August and September (UV index 2).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in August
Dalvik, Iceland
- Average cloud cover in August: 67
The month with the most cloud cover is March (Cloud cover 72).
The month with the least cloud cover is June (Cloud cover 62).
Average visibility in August
Dalvik, Iceland
- Average visibility in August: 8km
The month with the highest visibility is June (9km).
The months with the lowest visibility are January, February, March, April, November and December (7km).





