West Iceland Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in West Iceland, Iceland in August.

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Borgarnes Grundarfjordur Stykkishólmur Akranes

Planning a trip to West Iceland, Iceland this August? Here's what you need to know about the weather:

What to Expect in West Iceland in August

West Iceland, Iceland is a region in Iceland. August in West Iceland generally has mild temperatures, with precipitation levels ranging from moderate to high. August is a summer month.

Temperatures

The average maximum temperatures are mild and range from 13°C (55°F) in Grundarfjordur to 15°C (59°F) in Leirá. Nighttime temperatures generally drop to 9°C (48°F) in Leirá and 9°C (48°F) in Grundarfjordur.

To learn more about the conditions in specific areas of West Iceland, Iceland, check out the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Hellissandur with an average of 83 mm (3.3 in) to high rainfall in Akranes with 104 mm (4.1 in).

Average sunshine

Sunshine is moderately available across various locations. In Borgarnes, you can expect around 154 hours of sunlight in August, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore West Iceland by month

Pick a month to see the average temperature, rainfall and sunshine in West Iceland — and find the best time to visit. (based on Borgarnes)

January3°C (37°F) February3°C (37°F) March4°C (39°F) April7°C (45°F) May10°C (50°F) June14°C (57°F) This monthJuly15°C (59°F) August15°C (59°F) September12°C (54°F) October7°C (45°F) November4°C (39°F) December3°C (37°F)
Best Time to Visit West Iceland →

Best Places to Visit in West Iceland in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across West Iceland.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in West Iceland

What is the weather like in August for some of the most popular destinations in West Iceland, Iceland?

Temperature range in West Iceland (August)

Precipitation variation in West Iceland (August)

Borgarnes

In August Borgarnes generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

« July
August
September »
July
August
September
Max temperature
15°C (59°F)
15°C (59°F)
12°C (54°F)
Min temperature
9°C (48°F)
9°C (48°F)
6°C (43°F)
Monthly sun hours
168 hours
154 hours
121 hours
Monthly rainfall
83 mm (3.3 in)
102 mm (4 in)
140 mm (5.5 in)
Monthly rainy days
17 days
17 days
17 days
Weather conditions
tolerable
unpleasant
poor
Climate in Borgarnes →

Grundarfjordur

In August Grundarfjordur generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are unpleasant that month.

« July
August
September »
July
August
September
Max temperature
13°C (55°F)
13°C (55°F)
11°C (52°F)
Min temperature
9°C (48°F)
9°C (48°F)
7°C (45°F)
Monthly sun hours
180 hours
166 hours
106 hours
Monthly rainfall
69 mm (2.7 in)
90 mm (3.5 in)
136 mm (5.4 in)
Monthly rainy days
15 days
15 days
17 days
Weather conditions
unpleasant
unpleasant
poor
Climate in Grundarfjordur →

Stykkishólmur

In August Stykkishólmur generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are unpleasant that month.

« July
August
September »
July
August
September
Max temperature
14°C (57°F)
13°C (55°F)
11°C (52°F)
Min temperature
9°C (48°F)
9°C (48°F)
7°C (45°F)
Monthly sun hours
180 hours
166 hours
106 hours
Monthly rainfall
72 mm (2.8 in)
93 mm (3.7 in)
135 mm (5.3 in)
Monthly rainy days
14 days
15 days
16 days
Weather conditions
tolerable
unpleasant
poor
Climate in Stykkishólmur →

Akranes

In August Akranes generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

« July
August
September »
July
August
September
Max temperature
15°C (59°F)
14°C (57°F)
12°C (54°F)
Min temperature
10°C (50°F)
9°C (48°F)
7°C (45°F)
Monthly sun hours
168 hours
154 hours
121 hours
Monthly rainfall
85 mm (3.3 in)
104 mm (4.1 in)
143 mm (5.6 in)
Monthly rainy days
17 days
17 days
17 days
Weather conditions
tolerable
unpleasant
poor
Climate in Akranes →

Búðardalur

In August Búðardalur generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 7°C (45°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

« July
August
September »
July
August
September
Max temperature
14°C (57°F)
14°C (57°F)
11°C (52°F)
Min temperature
8°C (46°F)
7°C (45°F)
5°C (41°F)
Monthly sun hours
180 hours
166 hours
106 hours
Monthly rainfall
73 mm (2.9 in)
88 mm (3.5 in)
121 mm (4.8 in)
Monthly rainy days
16 days
17 days
17 days
Weather conditions
tolerable
tolerable
poor
Climate in Búðardalur →

Is your destination not in the list? Have a look at all destinations in West Iceland, in Iceland.

In our records: Iceland August extremes

Notable August records observed across cities in Iceland in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest August day in Iceland reached 30°C (86°F) in Patreksfjörður on August 29, 2004.

Popular cities in August

Day & night temperatures, rainfall and average weather in West Iceland in August.

City Weather Day temp Night temp Rainfall
Borgarnes 15°C (59°F) 9°C (48°F) 102 mm (4 in)
Grundarfjordur 13°C (55°F) 9°C (48°F) 90 mm (3.5 in)
Stykkishólmur 13°C (55°F) 9°C (48°F) 93 mm (3.7 in)
Akranes 14°C (57°F) 9°C (48°F) 104 mm (4.1 in)
Búðardalur 14°C (57°F) 7°C (45°F) 88 mm (3.5 in)
Fossatún 14°C (57°F) 8°C (46°F) 97 mm (3.8 in)

West Iceland weather in August: frequently asked questions

What is the weather like in West Iceland, Iceland in August?

West Iceland, Iceland typically experiences unpleasant weather in August, part of the summer season. Daytime highs in Borgarnes average around 15°C (59°F), and temperatures drop to about 9°C (48°F) at night.

What is the average temperature in West Iceland, Iceland in August?

In Borgarnes, the average daytime high in August is 15°C (59°F), while nighttime temperatures drop to around 9°C (48°F).

Does West Iceland, Iceland get a lot of rain in August?

West Iceland, Iceland sees substantial rainfall in August. Borgarnes typically averages about 102 mm (4 in), a mix of wet and dry days, but bring an umbrella.

Is August a Good Time to Visit West Iceland, Iceland?

Given the typically unpleasant weather conditions in Borgarnes, August may not be the ideal time to visit West Iceland, Iceland.

Generally speaking, June and July provide tolerable weather in Borgarnes. On the other hand, the weather in January, February, March, April, May, September, October, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in West Iceland.

Weather and climate has detailed information for every country in the world. Are you going to Iceland? Get detailed historical weather averages for many cities in Iceland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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