Harleston Weather in December

December in Harleston typically sees daytime highs of 9°C (48°F) and nighttime lows of 3°C (37°F). Expect some rainfall during the month. It falls within the winter season.

Rainfall in Harleston in December

Analyzing past climate data, one can expect approximately 18 days of rain, averaging 59 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 Harleston in December

Temperatures in Harleston in December top out at 9°C (48°F) and drop to 3°C (37°F) overnight. December is in the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Harleston in December

The month has fewer sunny days, with around 55 hours of sunshine.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Harleston. Our weather planner can help you explore destinations with more pleasant weather conditions.