The weather in Porsgrunn in March is very cold with temperatures between 1°C and 4°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Porsgrunn during the month of March. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
You can expect a few days of snow in Porsgrunn during March. It’s important to get out your snow boots and warm mittens to stay warm while you explore Porsgrunn.
Our weather forecast can give you a great sense of what weather to expect in Porsgrunn in March 2026.
If you’re planning to visit Porsgrunn in the near future, we highly recommend that you review the 14 day weather forecast for Porsgrunn before you arrive.
Temperatures
4° / 1°
Rainy Days
5
Snowy Days
6
Dry Days
19
Rainfall
81
mm
Sun Hours
8.5
Hrs
