Castletown Weather in December

Castletown in December sees low daytime temperatures of 9°C (48°F) and nighttime lows of 4°C (39°F). Rainfall is fairly high this month at around 89 mm (3.5 in), so pack a rain jacket to stay dry.

Rainfall in Castletown in December

Historically, December sees about 23 days of rain, with a monthly average of 89 mm (3.5 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Castletown in December

December in Castletown sees highs of 9°C (48°F) and lows of 4°C (39°F) overnight. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With lows around 4°C (39°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Castletown in December

The city usually sees around 29 hours of sunlight, indicating fewer sunny days.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Castletown. Our weather planner can help you explore destinations with more pleasant weather conditions.

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 Castletown's climate page.

Castletown Temperature in December

Min Temperature 4°C (39°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 78%  

Precipitation 89 mm (3.5 in)  

Rainy days 23 days  

Sunshine 29 hours *  

Percentage Sunshine 13% *  

* Data from: Strathy East, Scotland (36 KM, 22 Miles).

What to Wear in Castletown in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Castletown 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 Castletown's climate page.

More climate data for Castletown

Temperature Rainfall Sunshine

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