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.