St Helens Weather in December

December in St Helens brings pleasant temperatures, with daytime highs of 18°C (64°F) and nights around 13°C (55°F). Quite a bit of rainfall is expected, around 74 mm (2.9 in), so pack an umbrella.

Rainfall in St Helens in December

You can expect rain on around 12 days based on historical patterns, with 74 mm (2.9 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in St Helens in December

St Helens in December gets highs of 18°C (64°F) during the day and drops to 13°C (55°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

If you prefer dry days with pleasant temperatures, January and February typically offer 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.