Gretna Weather in December

During December, Gretna experiences low daytime temperatures of 8°C (46°F) and cooler nights around 2°C (36°F). As the wettest month of the year, and part of the winter season, expect frequent rainfall.

Rainfall in Gretna in December

The month brings the most rain, so be prepared with an umbrella for the occasional shower. Typically, about 19 days will experience rainfall, with an average of 107 mm (4.2 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Gretna in December

Daytime temperatures in Gretna reach 8°C (46°F) in December, dropping to 2°C (36°F) at night. December is known for being in the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights fall to 2°C (36°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Gretna in December

With limited sunshine this month, there are about 39 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.

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