San Marcos Sierras Weather in December

December in San Marcos Sierras brings very high temperatures, with daytime highs of 30°C (86°F) and nights around 17°C (63°F). Quite a bit of rainfall is expected, around 113 mm (4.4 in), so pack an umbrella.

Rainfall in San Marcos Sierras in December

On average, there are about 11 days with rain during this month, averaging 113 mm (4.4 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in San Marcos Sierras in December

December in San Marcos Sierras brings very high temperatures, with highs of 30°C (86°F) and nights around 17°C (63°F). It's usually most comfortable outside during the morning and later in the day. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in San Marcos Sierras in December

The month enjoys around 235 hours of sunshine, creating mostly sunny days with good weather conditions.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August, September, October and November typically offer the best weather for San Marcos Sierras.