Alpine Weather in December

During December, Alpine experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 5°C (41°F). As the wettest month of the year, and part of the winter season, expect frequent rainfall.

Rainfall in Alpine 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 10 days of rain, with a monthly average of 93 mm (3.7 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Alpine in December

If you're visiting Alpine in December, expect highs of 17°C (63°F) and overnight lows around 5°C (41°F). Winter occurs in December. The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. Enjoy a month of mild temperatures, still offering warmth and comfort throughout.

Sunshine in Alpine in December

The days are predominantly sunny, with an estimated total of around 231 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Alpine's climate page.

Alpine Temperature in December

Min Temperature 5°C (41°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 33%  

Precipitation 93 mm (3.7 in)  

Rainy days 10 days  

Humidity 64% *  

Sunshine 231 hours *  

Percentage Sunshine 74% *  

* Data from: San Diego, the United States of America (39 KM, 24 Miles).

What to Wear in Alpine in December

Pleasant temperatures in December mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Alpine in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Alpine's climate page.

More climate data for Alpine

Temperature Rainfall Sunshine Humidity

See the full Alpine climate overview or explore weather in the United States of America.