Selfoss Weather in July
July in Selfoss brings moderate temperatures, with daytime highs of 15°C (59°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 99 mm (3.9 in), so pack an umbrella.
Rainfall in Selfoss in July
You can expect rain on around 17 days based on historical patterns, with 99 mm (3.9 in) average for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Selfoss in July
In July, Selfoss gets moderate temperatures, with highs of 15°C (59°F). Nights cool to around 10°C (50°F). The summer season is characteristic of July. 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 has the peak temperatures of the year.
Sunshine in Selfoss in July
You can expect a moderate amount of sunlight, with approximately 168 hours. This means a pleasant mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June and July typically offer the best weather for Selfoss.
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 Selfoss's climate page.
Selfoss Temperature in July
Min Temperature
10°C (50°F)
Max Temperature
15°C (59°F)
Chance of Rain
57%
Precipitation
99 mm (3.9 in)
Rainy days
17 days
Humidity
81% *
Sunshine
168 hours *
Percentage Sunshine
30% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Selfoss typically stay consistent throughout July, with daily highs averaging around 15°C (59°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 Selfoss in July
Browse day-by-day weather records for Selfoss spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Selfoss historical weather extremes in July
According to our 49 years of weather records for Selfoss, the following extremes were recorded between 1976 and 2025.
- On July 30, 2008, temperatures climbed to 25°C (77°F), marking the warmest July day on record.
- On July 4, 1979, Selfoss saw its coldest July day with temperatures maxing out at 8°C (46°F).
- Selfoss registered its coldest July night on July 2, 2025, with temperatures dropping to 1°C (34°F).
- The wettest July day on record brought 52 mm (2 in) of precipitation to Selfoss (July 13, 1999).
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 Selfoss in July
Pack for changing conditions in Selfoss 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 Selfoss 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 Selfoss's climate page.
Temperature Rainfall Sunshine Humidity
See the full Selfoss climate overview or explore weather in Iceland.
