Reykjanes Weather in August

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

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Keflavík Grindavík Vogar Gardur

Planning a journey to Reykjanes, Iceland this August and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Reykjanes in August

Reykjanes, Iceland is a region in Iceland. August in Reykjanes generally has mild temperatures, with high precipitation.

Temperatures

You can expect mild maximum daytime temperatures of around 13°C (55°F) and nighttime temperatures around 10°C (50°F) in Keflavík.

To explore the conditions in Reykjanes, Iceland in more detail, check the map below.

Precipitation

August is a rainy month with an average rainfall of around 106 mm (4.2 in) in Keflavík.

Average sunshine

Sunshine levels are moderate in most locations. Keflavík typically sees 154 hours of sunlight, creating comfortable conditions that aren't too bright or too dim. Looking for something sunnier? Our weather planner helps you discover destinations with more reliable sunshine.

Explore Reykjanes by month

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

January5°C (41°F) February5°C (41°F) March5°C (41°F) April7°C (45°F) May9°C (48°F) June12°C (54°F) This monthJuly14°C (57°F) August13°C (55°F) September12°C (54°F) October8°C (46°F) November6°C (43°F) December5°C (41°F)
Best Time to Visit Reykjanes →

Best Places to Visit in Reykjanes in August

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

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 Reykjanes

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

Temperature range in Reykjanes (August)

Precipitation variation in Reykjanes (August)

Keflavík

In August Keflavík generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are poor that month.

« July
August
September »
July
August
September
Max temperature
14°C (57°F)
13°C (55°F)
12°C (54°F)
Min temperature
10°C (50°F)
10°C (50°F)
8°C (46°F)
Monthly sun hours
168 hours
154 hours
121 hours
Monthly rainfall
83 mm (3.3 in)
106 mm (4.2 in)
149 mm (5.9 in)
Monthly rainy days
16 days
17 days
18 days
Weather conditions
tolerable
poor
poor
Climate in Keflavík →

Grindavík

In August Grindavík generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

« July
August
September »
July
August
September
Max temperature
14°C (57°F)
14°C (57°F)
12°C (54°F)
Min temperature
10°C (50°F)
10°C (50°F)
8°C (46°F)
Monthly sun hours
168 hours
154 hours
121 hours
Monthly rainfall
84 mm (3.3 in)
108 mm (4.3 in)
150 mm (5.9 in)
Monthly rainy days
17 days
18 days
18 days
Weather conditions
tolerable
unpleasant
poor
Climate in Grindavík →

Vogar

In August Vogar 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
14°C (57°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)
107 mm (4.2 in)
146 mm (5.7 in)
Monthly rainy days
17 days
17 days
18 days
Weather conditions
tolerable
unpleasant
poor
Climate in Vogar →

Gardur

In August Gardur generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are poor that month.

« July
August
September »
July
August
September
Max temperature
13°C (55°F)
13°C (55°F)
11°C (52°F)
Min temperature
10°C (50°F)
10°C (50°F)
8°C (46°F)
Monthly sun hours
168 hours
154 hours
121 hours
Monthly rainfall
82 mm (3.2 in)
107 mm (4.2 in)
152 mm (6 in)
Monthly rainy days
16 days
17 days
18 days
Weather conditions
unpleasant
poor
poor
Climate in Gardur →

Sandgerði

In August Sandgerði generally has moderate temperatures with maximum daytime temperatures around 13°C (55°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are poor that month.

« July
August
September »
July
August
September
Max temperature
13°C (55°F)
13°C (55°F)
11°C (52°F)
Min temperature
10°C (50°F)
10°C (50°F)
8°C (46°F)
Monthly sun hours
168 hours
154 hours
121 hours
Monthly rainfall
81 mm (3.2 in)
106 mm (4.2 in)
152 mm (6 in)
Monthly rainy days
16 days
17 days
18 days
Weather conditions
unpleasant
poor
poor
Climate in Sandgerði →

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

City Weather Day temp Night temp Rainfall
Keflavík 13°C (55°F) 10°C (50°F) 106 mm (4.2 in)
Grindavík 14°C (57°F) 10°C (50°F) 108 mm (4.3 in)
Vogar 14°C (57°F) 9°C (48°F) 107 mm (4.2 in)
Gardur 13°C (55°F) 10°C (50°F) 107 mm (4.2 in)
Sandgerði 13°C (55°F) 10°C (50°F) 106 mm (4.2 in)
Blue Lagoon 14°C (57°F) 10°C (50°F) 107 mm (4.2 in)

Reykjanes weather in August: frequently asked questions

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

August in Reykjanes, Iceland brings poor weather. In Keflavík, daytime temperatures are typically around 13°C (55°F) and nighttime lows hover near 10°C (50°F).

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

Average temperatures in Reykjanes, Iceland during August range from a nighttime low near 10°C (50°F) to a daytime high around 13°C (55°F) in Keflavík.

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

Yes, August tends to be a wetter month in Reykjanes, Iceland. Average rainfall in Keflavík sits around 106 mm (4.2 in).

Is August a Good Time to Visit Reykjanes, Iceland?

In our opinion, August may not be the ideal time to visit Reykjanes, Iceland due to the typically poor weather in Keflavík.

On average, the best time to visit Reykjanes, Iceland is in July with generally tolerable weather in Keflavík. The weather in January, February, March, April, May, August, September, October, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Reykjanes.

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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