The weather in Grantham in January is very cold with temperatures between 1°C and 6°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Grantham during the month of January. 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 Grantham during January. It’s important to get out your snow boots and warm mittens to stay warm while you explore Grantham.
Our weather forecast can give you a great sense of what weather to expect in Grantham in January 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
6° / 1°
Rainy Days
7
Snowy Days
5
Dry Days
20
Rainfall
46
mm
Sun Hours
3.9
Hrs
