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Grindavík Weather in July
Grindavík in July sees moderate temperatures, with highs around 14°C (57°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 84 mm (3.3 in) on average, so pack waterproofs just in case.
Rainfall in Grindavík in July
Historically, approximately 17 days this month are expected to have rain, averaging 84 mm (3.3 in). This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Grindavík in July
Grindavík in July gets highs of 14°C (57°F) during the day and drops to 10°C (50°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. On average, it has the peak temperatures of the year.
Sunshine in Grindavík in July
The area enjoys a balanced 168 hours of sunlight, ensuring it's neither too overcast nor too sunny.If your ideal day consists of dry skies and pleasant temperatures, July typically offers the best circumstances for Grindavík.
Grindavík Temperature in July
Min Temperature
10°C (50°F)
Max Temperature
14°C (57°F)
Chance of Rain
56%
Precipitation
84 mm (3.3 in)
Rainy days
17 days
Humidity
81% *
Sunshine
168 hours *
Percentage Sunshine
30% *
* Data from: Reykjavík, Iceland (41 KM, 25 Miles).
Grindavík Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grindavík - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grindavík typically stay consistent throughout July, with daily highs averaging around 14°C (57°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 Grindavík in July
Browse day-by-day weather records for Grindavík spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grindavík historical weather extremes in July
The extremes listed below come from historical weather data collected in Grindavík from 1976 through 2026.
- The warmest day in July was on July 31, 1980, with a maximum of 23°C (73°F).
- The coldest July day was on July 6, 1995, with a maximum of 7°C (45°F).
- The coldest night in July in Grindavík was on July 23, 1992, with a minimum of 4°C (39°F).
- The wettest July day on record brought 34 mm (1.3 in) of precipitation to Grindavík (July 2, 2014).
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 Grindavík in July
Pack for changing conditions in Grindavík in July. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in Grindavík 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 sports9/10
Grindavík 3-Day Forecast
More climate data for Grindavík
Temperature Rainfall Sunshine Humidity
See the full Grindavík climate overview or explore weather in Iceland.
Popular in July
Where to go in July - average daytime high across popular destinations.
Hella
16°C (61°F) Selfoss
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