La Mesa Weather in December

La Mesa in December averages 25°C (77°F) during the day and 17°C (63°F) at night. December is part of the rainy season, so frequent rainfall is typical.

Rainfall in La Mesa in December

As part of the rainy season, La Mesa sees around 14 days of rain in December, with an average of 289 mm (11 in). Rain during the rainy season here tends to be intense rather than just persistent drizzle. Expect significant downpours.

Temperature in La Mesa in December

Daytime highs in La Mesa in December reach 25°C (77°F), with nights around 17°C (63°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. 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 La Mesa in December

The area enjoys a balanced 138 hours of sunlight, ensuring it's neither too rainy nor too sunny.

December in La Mesa can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.