Grantham Weather in December

Grantham in December sees low daytime temperatures of 9°C (48°F) and nighttime lows of 3°C (37°F). Moderate rainfall is typical, with around 58 mm (2.3 in) for the month.

Rainfall in Grantham in December

On average, there are about 16 days with rain during this month, averaging 58 mm (2.3 in). Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Grantham in December

If you're visiting Grantham in December, expect highs of 9°C (48°F) and overnight lows around 3°C (37°F). December is part of winter. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Grantham in December

This month sees fewer sunny days, with about 55 hours of sunshine, perfect for those who enjoy cooler temperatures.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Grantham.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• 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.

Grantham Temperature in December

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 55%  

Precipitation 58 mm (2.3 in)  

Rainy days 16 days  

Humidity 90% *  

Sunshine 55 hours *  

Percentage Sunshine *  

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

What to Wear in Grantham in December

Dress warmly and in layers for your trip to Grantham in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Grantham in December

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

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

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.