The weather in Grantham in March is very cold with temperatures between 3°C and 10°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Grantham 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.
Please note that Grantham can expect a few days of snow in March.
Our weather forecast can give you a great sense of what weather to expect in Grantham in March 2025.
If you’re planning to visit Grantham in the near future, we highly recommend that you review the 14 day weather forecast for Grantham before you arrive.
Temperatures
10° / 3°
Rainy Days
6
Snowy Days
2
Dry Days
23
Rainfall
44
mm
Sun Hours
3.9
Hrs
