Iceland weather in August 2025
Iceland weather in August 2025
Day
13 °C
Night
8 °C
Sea
10 °C
Precipitation
73 mm
in month
Rainy days
9 days
in month
Daylight
16 hours
average
Sunshine
5 hours
average
Humidity
83 %
Day
13 °C
Night
8 °C
Sea
10 °C
Precipitation
73 mm
in month
Rainy days
9 days
in month
Daylight
16 hours
average
Sunshine
5 hours
average
Humidity
83 %
Overview: IcelandIceland – here is where stunning landscapes, dramatic geothermal activity, and mythical allure come together. Explore the ethereal beauty of the Golden Circle, where you can witness the mighty Gullfoss waterfall, the geothermal marvels of Geysir, and the tectonic rift at Þingvellir National Park. Immerse yourself in the otherworldly landscapes of the black sand beaches, glittering ice caves, and towering glaciers. Experience the enchanting Northern Lights dance across the night sky, and relax in the soothing geothermal pools of the Blue Lagoon. Iceland promises an extraordinary adventure that will leave you in awe of nature's wonders.
Travel information
Flights
to
Activities
in Iceland
Weather charts for Iceland
Data backed by 40 years of history
We make the most from 40 years of historical weather data to predict the best weather conditions.
Selection of world's favourite destinations
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
16 500 000 weather records
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Find more destinations like this
Activities in Iceland
Flights to Iceland
Destinations in Iceland
Destinations with similar weather to Iceland
Weather overview and FAQs
Weather overview
In August in Iceland, the average air temperature ranges from 13 °C (56 °F) during the day to 8 °C (46 °F) at night. There are 9 days of rain on average, where the rainfall is 73 mm (2.87 in).
Is August a good month to visit Iceland?
Iceland can be visited in August - the weather will be moderate. A relatively low temperature of 13 °C (56 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The temperature of 8 °C (46 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
What is the temperature in Iceland during the day in August?
In Iceland in August, the average daily temperatures will be 13 °C (56 °F). Don't forget a sweater and light or normal jacket, but also pack light clothing in case the temperatures are above average. The weather at this time can be somewhat changeable and a wide range of clothing can become handy.
What is the rainfall intensity in August in Iceland?
There is precipitation of 73 mm (2.87 in) in Iceland in August, which means 2 mm (0.09 in) rainfall per day on average.
How many days of precipitation on average can I expect in Iceland in August?
There are 9 days, which are rainy in Iceland in August, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.0 days of the week, or in general - 29 % days.
How long is the day (from dawn till dusk) in Iceland in August?
The length of daylight in Iceland in August is 16 hours.
What is the air temperature in August in Iceland at night?
The average night temperature in Iceland in August is 8 °C (46 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.
Is there a dry season in August in Iceland?
No, August is not a dry month in Iceland, expect rain approximately 9 days in a month.
What level of humidity is to expect in August in Iceland?
Humidity in Iceland in August is 83 %.
Is there a wet season in Iceland in August?
No, there is no wet season in August in Iceland - you can expect 9 days of rain during the month.
Is the weather in Iceland warmer in August than in July?
No, in Iceland in August the temperature is not higher than in July.
Is Iceland rainier in August than in September?
No, August in Iceland is not a rainier month than September.
How windy is it in August in Iceland?
An average wind scale that can be expected in Iceland in August is 5.