Mosfellsbær Weather in July
Mosfellsbær in July sees moderate daytime temperatures of 16°C (61°F) and nighttime lows of 9°C (48°F). Rainfall is fairly high this month at around 95 mm (3.7 in), so pack a rain jacket to stay dry.
Rainfall in Mosfellsbær in July
Typically, about 18 days will experience rainfall, with an average of 95 mm (3.7 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Mosfellsbær in July
Expect highs of 16°C (61°F) in Mosfellsbær in July, with nights dropping to around 9°C (48°F). July is typically considered a summer month. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 9°C (48°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 Mosfellsbær in July
The area enjoys a moderate level of sunlight, with around 168 hours. It's a good balance between sunny and cloudy days.
Wind Speed in Mosfellsbær in July
Wind speeds average 4 m/s (8 knots) during July. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.
Average water temperature in July
The water sits at 11°C (52°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.If you're a fan of comfortable temperatures and drier conditions, July is a great time to visit.
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 Mosfellsbær's climate page.
Mosfellsbær Temperature in July
Min Temperature
9°C (48°F)
Max Temperature
16°C (61°F)
Water Temperature
11°C (52°F) *
Chance of Rain
58%
Precipitation
95 mm (3.7 in)
Rainy days
18 days
Humidity
81% *
Windspeed
4 m/s (8 knots) *
Sunshine
168 hours *
Percentage Sunshine
30% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mosfellsbær typically stay consistent throughout July, with daily highs averaging around 16°C (61°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 Mosfellsbær in July
Browse day-by-day weather records for Mosfellsbær spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mosfellsbær historical weather extremes in July
Our historical data for Mosfellsbær spans 1976 to 2025, revealing these weather extremes.
- Mosfellsbær recorded its highest July temperature of 25°C (77°F) on July 30, 2008.
- The lowest daytime temperature in July was 7°C (45°F), recorded on July 6, 1995.
- Nighttime temperatures dropped to 4°C (39°F) on July 23, 1992, marking the coldest July night on record.
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 →
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What to Wear in Mosfellsbær 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 11°C (52°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Mosfellsbær 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 Mosfellsbær's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Mosfellsbær climate overview or explore weather in Iceland.
