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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.
Grundarfjordur Temperature in July
Min Temperature
9°C (48°F)
Max Temperature
13°C (55°F)
Chance of Rain
49%
Precipitation
69 mm (2.7 in)
Rainy days
15 days
Humidity
80% *
Sunshine
180 hours *
Percentage Sunshine
30% *
* Data from: Stykkishólmur, Iceland (30 KM, 19 Miles).
Grundarfjordur Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grundarfjordur - and find the best time to visit.
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 records 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 2026, 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 →
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.
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Swimming5/10 -
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports6/10
Grundarfjordur 3-Day Forecast
More climate data for Grundarfjordur
Temperature Rainfall Sunshine Humidity
See the full Grundarfjordur climate overview or explore weather in Iceland.
Popular in July
Where to go in July - average daytime high across popular destinations.
Hella
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