La Mesa Weather in December
La Mesa in December sees pleasant daytime temperatures of 19°C (66°F) and nighttime lows of 7°C (45°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in La Mesa in December
With this being the wettest month, keeping an umbrella on hand might save you from getting wet from a sudden shower. Historically, December sees about 9 days of rain, with a monthly average of 74 mm (2.9 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in La Mesa in December
In December, La Mesa gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 7°C (45°F). December is known for being in the winter season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 7°C (45°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. Experience the year's lowest temperatures this month, but they are still mild and pleasant.
Sunshine in La Mesa in December
The month enjoys around 231 hours of sunshine, creating mostly sunny days with good weather conditions.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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our La Mesa's climate page.
La Mesa Temperature in December
Min Temperature
7°C (45°F)
Max Temperature
19°C (66°F)
Chance of Rain
29%
Precipitation
74 mm (2.9 in)
Rainy days
9 days
Humidity
64% *
Sunshine
231 hours *
Percentage Sunshine
74% *
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in La Mesa in December
For La Mesa in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in La Mesa in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our La Mesa's climate page.
Temperature Rainfall Sunshine Humidity
See the full La Mesa climate overview or explore weather in the United States of America.
