Keflavík Weather in July
July in Keflavík brings moderate temperatures, with daytime highs of 14°C (57°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 83 mm (3.3 in), so pack an umbrella.
Rainfall in Keflavík in July
This month experiences about 16 days of rain according to historical data, averaging 83 mm (3.3 in). Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Keflavík in July
In July, expect moderate temperatures in Keflavík, with highs of 14°C (57°F) and lows of 10°C (50°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. On average, it sees the highest temps of the year.
Sunshine in Keflavík in July
The area enjoys a balanced 168 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you favor pleasant temperatures and minimal rainfall, July is one of the best months to visit Keflavík.
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 Keflavík's climate page.
Keflavík Temperature in July
Min Temperature
10°C (50°F)
Max Temperature
14°C (57°F)
Chance of Rain
55%
Precipitation
83 mm (3.3 in)
Rainy days
16 days
Humidity
81% *
Sunshine
168 hours *
Percentage Sunshine
30% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Keflavík 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 for Keflavík in July
Browse day-by-day weather records for Keflavík spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Keflavík historical weather extremes in July
The extremes listed below come from historical weather data collected in Keflavík from 1976 through 2025.
- The hottest July day on record in Keflavík reached 23°C (73°F) (July 31, 1980).
- Keflavík experienced its chilliest July day on July 6, 1995, reaching only 7°C (45°F).
- Keflavík registered its coldest July night on July 23, 1992, with temperatures dropping to 4°C (39°F).
- The heaviest July precipitation occurred on July 2, 2014, when 39 mm (1.5 in) of precipitation fell.
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
What to Wear in Keflavík in July
Pack for changing conditions in Keflavík 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Keflavík in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Keflavík's climate page.
Temperature Rainfall Sunshine Humidity
See the full Keflavík climate overview or explore weather in Iceland.
