Weather outlook for May 2025

Grantham weather in May 2025

°C °F

The average weather in Grantham in May

The temperatures in Grantham in May are quite cold with temperatures between 7°C and 15°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Grantham during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Grantham in May 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
15° / 7°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
62
mm
Sun Hours
3.7
Hrs

Explore the weather in Grantham in other months

Grantham annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 6° / 1° 7 20 5 46 mm
Awful
February 7° / 2° 6 16 6 44 mm
Bad
March 10° / 3° 6 23 2 44 mm
Bad
April 13° / 4° 4 26 1 37 mm
Ok
May 15° / 7° 6 25 0 62 mm
Good
June 18° / 10° 5 25 0 75 mm
Good
July 21° / 12° 4 27 0 64 mm
Good
August 21° / 13° 5 26 0 65 mm
Good
September 18° / 11° 3 27 0 40 mm
Good
October 14° / 8° 5 26 0 59 mm
Good
November 10° / 5° 7 23 0 53 mm
Bad
December 7° / 3° 6 21 3 52 mm
Bad

Weather in Grantham in May - FAQ

What is the average temperature in Grantham in May?
The average temperature in Grantham in May is 7/15° C.
What is the chance of rain in Grantham in May?
On average, there are 6 rainy days in Grantham during May.
Weather wise, is May a good time to visit Grantham?
The weather in Grantham in May is good.
Can it snow in Grantham in May?
On average, there are 0 snowy days in Grantham in May.
More about the weather in Grantham