Grantham Weather in May

Grantham in May averages 17°C (63°F) during the day and 8°C (46°F) at night. Some rainfall is typical for this time of year.

Rainfall in Grantham in May

Typically, about 15 days will experience rainfall, with an average of 60 mm (2.4 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Grantham in May

May in Grantham sees highs of 17°C (63°F) and lows of 8°C (46°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Grantham in May

Expect a lot of sunshine this month, with about 193 hours of sun. These sunny conditions add to the overall experience.

For Grantham itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Grantham's climate page.

Grantham Temperature in May

Min Temperature 8°C (46°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 48%  

Precipitation 60 mm (2.4 in)  

Rainy days 15 days  

Humidity 81% *  

Sunshine 193 hours *  

Percentage Sunshine *  

* Data from: Nottingham, the United Kingdom (34 KM, 21 Miles).

What to Wear in Grantham in May

Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Grantham in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

4/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Grantham's climate page.

More climate data for Grantham

Temperature Rainfall Sunshine Humidity

See the full Grantham climate overview or explore weather in the United Kingdom.