Stykkishólmur Weather in July

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.

Rainfall in Stykkishólmur in July

You can expect rain on roughly 14 days based on historical data, averaging 72 mm (2.8 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Stykkishólmur in July

In July, expect moderate temperatures in Stykkishólmur, with highs of 14°C (57°F) and lows of 9°C (48°F) at night. July is known for being in the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep. On average, it is the month with the highest temperature of the year.

Sunshine in Stykkishólmur in July

You can expect a moderate amount of sunlight, with approximately 180 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Stykkishólmur in July

In July, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in July

The water sits at 10°C (50°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Stykkishólmur.

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For a detailed overview over the year and the best time to visit Iceland, check out our Stykkishólmur's climate page.

Stykkishólmur Temperature in July

Min Temperature 9°C (48°F)  

Max Temperature 14°C (57°F)  

Water Temperature 10°C (50°F)  

Chance of Rain 48%  

Precipitation 72 mm (2.8 in)  

Rainy days 14 days  

Humidity 80%  

Windspeed 4 m/s (8 knots)  

Sunshine 180 hours  

Percentage Sunshine 30%  

Daily Historical Temperatures

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).

Average temperatures in July

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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

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Historical weather for Stykkishólmur in July

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.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Stykkishólmur historical weather extremes in July

Based on 29 years of weather observations (1996-2025), these are the most extreme conditions recorded in Stykkishólmur.

• The hottest July day on record in Stykkishólmur reached 23°C (73°F) (July 9, 2023).
• The lowest daytime temperature in July was 7°C (45°F), recorded on July 20, 1998.
• Stykkishólmur registered its coldest July night on July 20, 2020, with temperatures dropping to 0°C (32°F).
• The wettest July day on record brought 34 mm (1.3 in) of precipitation to Stykkishólmur (July 17, 2025).

What to Wear in Stykkishólmur 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. 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.

What To Do in Stykkishólmur in July

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Iceland, check out our Stykkishólmur's climate page.

More climate data for Stykkishólmur

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Stykkishólmur climate overview or explore weather in Iceland.