The temperatures in Marstrand in August are comfortable with low of 15°C and and high up to 18°C.
You can expect rain for roughly half of the month of August in Marstrand. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Marstrand in August 2026.
If you’re planning to visit Marstrand in the near future, we highly recommend that you review the 14 day weather forecast for Marstrand before you arrive.
Temperatures
18° / 15°
Rainy Days
9
Snowy Days
0
Dry Days
22
Rainfall
164
mm
Sun Hours
6.3
Hrs
