Alpine (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Alpine.
Climate overview of Alpine
Alpine, California, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 33°C (91°F) in August, while winters cool to 17°C (63°F) in December.
With around 366 mm (14 in) of annual rainfall, Alpine has a fairly dry climate. However, it has a distinct dry season from April to November. The wettest month is December, while June sees the least rain. The sunniest month is July, with 10.1 hours of sunshine per day on average.
Alpine Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Alpine — and find the best time to visit.
Monthly Temperature in Alpine
Depending on the time of the year, temperatures range from very warm to moderate in Alpine. Average daytime temperatures reach a very warm 33°C (91°F) in August. In December, the coolest month of the year, temperatures drop to a moderate 17°C (63°F).
At night, temperatures range from around 16°C (61°F) in August to 5°C (41°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Alpine
Alpine has a relatively dry climate with low precipitation, averaging 366 mm (14 in) of rainfall annually. Alpine can be quite wet during December, receiving approximately 93 mm (3.7 in) of precipitation over 10 rainy days.
In contrast, during the driest month (June), you will experience much drier conditions, with 0.5 mm (0.02 in) of precipitation spread across 0 rainy days days. For more details, please visit our Alpine Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Alpine
Alpine experiences moderate variation in sunshine hours across the seasons. With 10.1 hours daily sunshine in July, it dips to 7.7 hours in February, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Alpine by Month
The relative humidity is high throughout the year in Alpine.
The city experiences its highest humidity in July, reaching 75%. In January, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Alpine
Rainfall during this time ranges from 13 mm (0.5 in) in May to 64 mm (2.5 in) in February. This means you can expect a mix of sunny days and occasional showers. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
Frequently asked questions about the climate in Alpine
What is the best time to visit Alpine?
March, April, May, June, October and November typically offer the most optimal weather in Alpine. In contrast, August and December tend to have less optimal conditions. Alpine has a distinct dry season from April to November.
What temperatures can I expect in Alpine?
Daytime highs range from 17°C (63°F) in December to 33°C (91°F) in August. Nighttime lows range from 5°C (41°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Alpine get?
Annual rainfall is around 366 mm (14 in). December is the wettest month with 93 mm (3.7 in), while June is the driest with 0.5 mm (0.02 in).
How sunny is Alpine?
Alpine receives around 3,069 hours of sunshine per year. July is the sunniest month with 304 hours, while February is the cloudiest with just 230 hours. Overall, Alpine enjoys abundant sunshine.
Alpine 3-Day Forecast
Alpine (CA) 3-Day Forecast
Alpine on the map
Alpine is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.