Helensburgh Weather in December

December in Helensburgh averages 8°C (46°F) during the day and 2°C (36°F) at night. Quite a bit of rainfall is typical this month, with around 176 mm (6.9 in) on average. An umbrella is a good idea.

Rainfall in Helensburgh in December

Typically, you can expect about 22 days of rain this month, with 176 mm (6.9 in) on average. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Helensburgh in December

December in Helensburgh brings typical temperatures with highs around 8°C (46°F) and lows of 2°C (36°F). December is in the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. With overnight lows of 2°C (36°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. During the coldest month of the year, be prepared to bundle up with heavy winter gear.

Sunshine in Helensburgh in December

The month has fewer sunny days, with around 37 hours of sunshine.

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