Bethesda Weather in December

Bethesda in December sees low temperatures, with highs around 9°C (48°F) and overnight lows of 0°C (32°F). Snow/rainfall is fairly high at around 103 mm (4.1 in) on average, so pack waterproofs just in case.

Rainfall in Bethesda in December

Based on our climate data of the past 30 years, about 11 days of snow/rain are anticipated, with 103 mm (4.1 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Bethesda in December

Daytime highs in Bethesda in December reach 9°C (48°F), with nights around 0°C (32°F). Experience the winter season in December. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. At 0°C (32°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating.

Sunshine in Bethesda in December

You can expect a moderate amount of sunlight, with approximately 130 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Bethesda in December

In December, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April typically offers the best weather for Bethesda.