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.

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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 Australia, check out our St Helens's climate page.

St Helens Temperature in December

Min Temperature 13°C (55°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 41%  

Precipitation 74 mm (2.9 in)  

Rainy days 12 days  

What to Wear in St Helens in December

Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in St Helens in December

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

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

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 Australia, check out our St Helens's climate page.

More climate data for St Helens

Temperature Rainfall

See the full St Helens climate overview or explore weather in Australia.