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Grundarfjordur Weather in July

Grundarfjordur in July sees moderate daytime temperatures of 13°C (55°F) and nighttime lows of 9°C (48°F). Rainfall is fairly high this month at around 69 mm (2.7 in), so pack a rain jacket to stay dry.

Rainfall in Grundarfjordur in July

You can expect rain on around 15 days based on historical patterns, with 69 mm (2.7 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Grundarfjordur in July

Daytime highs in Grundarfjordur in July reach 13°C (55°F), with nights around 9°C (48°F). Experience the summer season in July. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. On average, it sees the highest temps of the year.

Sunshine in Grundarfjordur in July

The area enjoys a balanced 180 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you're inclined towards comfortable temperatures and drier conditions, July is a good time to visit Grundarfjordur.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Iceland, check out our Grundarfjordur's climate page.

Grundarfjordur Temperature in July

Min TemperatureMin Temperature 9°C (48°F)  
Max TemperatureMax Temperature 13°C (55°F)  
Chance of RainChance of Rain 49%  
PrecipitationPrecipitation 69 mm (2.7 in)  
Rainy daysRainy days 15 days  
HumidityHumidity 80% *  
SunshineSunshine 180 hours *  
Percentage SunshinePercentage Sunshine 30% *  
* Data from: Stykkishólmur, Iceland (30 KM, 19 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Grundarfjordur typically stay consistent throughout July, with daily highs averaging around 13°C (55°F). Nights are cool, with lows around 9°C (48°F).

Average temperatures in July

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in July

Historical weather for Grundarfjordur in July

Browse day-by-day weather records for Grundarfjordur spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Grundarfjordur historical weather extremes in July

Our historical data for Grundarfjordur spans 1976 to 2025, revealing these weather extremes.

  • On July 31, 2019, temperatures climbed to 23°C (73°F), marking the warmest July day on record.
  • Grundarfjordur experienced its chilliest July day on July 6, 1995, reaching only 5°C (41°F).
  • Nighttime temperatures dropped to 3°C (37°F) on July 16, 1986, marking the coldest July night on record.

Best Places in Iceland in July

Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in July →

Map not visible? Whoops sorry! Please refresh the page.
Legend 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).

What to Wear in Grundarfjordur in July

The weather can swing between comfortable and chilly in July, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Grundarfjordur in July

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
6/10
Walking
6/10
Camping
4/10
Outdoor sports
6/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Iceland, check out our Grundarfjordur's climate page.

More climate data for Grundarfjordur