Iceland Airwaves Festival
On its way to its 20th edition in 2019 Iceland Airwaves is a festival you need to visit once in your life. Everything from lagoons and bookstores to bars and concert halls is filled with music.
July in Stykkishólmur brings moderate temperatures, with highs of 14°C (57°F) and nights dropping to 9°C (48°F). Rainfall is on the higher side this month, averaging around 72 mm (2.8 in), so keep a rain jacket handy.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Stykkishólmur.
Pick a month to see the average temperature, rainfall and sunshine in Stykkishólmur - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Stykkishólmur typically stay consistent throughout July, with daily highs averaging around 14°C (57°F). Nights are cold, with lows typically ranging from 7°C (45°F) to 9°C (48°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Stykkishólmur spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 30 years of weather observations (1996-2026), these are the most extreme conditions recorded in Stykkishólmur.
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 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).
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. Expect water temperatures of around 10°C (50°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Stykkishólmur climate overview or explore weather in Iceland.
Where to go in July - average daytime high across popular destinations.
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