2025 Compare Climate & Weather:
Napa, CA vs Oakland, CA

Highlights

On average, there are 261 sunny days per year in Oakland. Napa averages 260 sunny days per year. The US average is 205 sunny days.

Oakland, California gets 23.6 inches of rain, on average, per year. Napa, California gets 27.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Oakland averages 0 inches of snow per year. Napa averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Oakland, California
Summer High: the July high is around 71.7 degrees
Winter Low: the January low is 43.7
Rain: averages 23.6 inches of rain a year
Snow: averages 0 inches of snow a year

Napa, California
Summer High: the July high is around 82.4 degrees
Winter Low: the January low is 37.7
Rain: averages 27.3 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Oakland is 8.7 (10=best), which means it is more comfortable than most places in California.

The annual BestPlaces Comfort Index for Napa is 8.4 (10=best), which means it is more comfortable than most places in California.

Today's Weather - Napa, CA

64°F

Today's Weather - Oakland, CA

59°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Napa / Oakland

August is the hottest month for Napa with an average high temperature of 83.0°, which ranks it as cooler than most places in California. In Napa, there are 7 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Napa are October, May and June.

September is the hottest month for Oakland with an average high temperature of 74.2°, which ranks it as one of the coolest places in California. In Oakland, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oakland are September, August and July.

December has the coldest nighttime temperatures for Napa with an average of 37.4°. This is about average compared to other places in California.

January has the coldest nighttime temperatures for Oakland with an average of 43.7°. This is warmer than most places in California.

In Napa, there are 24.6 days annually when the high temperature is over 90°, which is cooler than most places in California.

In Oakland, there are 3.7 days annually when the high temperature is over 90°, which is one of the coolest places in California.

In Napa, there are 21.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in California.

In Oakland, there are 0.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Napa, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

In Oakland, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

February is the wettest month in Napa with 5.4 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 58% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 27.3 inches in Napa means that it is wetter than most places in California.


February is the wettest month in Oakland with 4.5 inches of rain, and the driest month is July with 0.0 inches. The wettest season is Spring with 57% of yearly precipitation and 1% occurs in Autumn, which is the driest season. The annual rainfall of 23.6 inches in Oakland means that it is wetter than most places in California.

December is the rainiest month in Napa with 12.0 days of rain, and July is the driest month with only 0.1 rainy days. There are 68.6 rainy days annually in Napa, which is rainier than most places in California. The rainiest season is Spring when it rains 50% of the time and the driest is Autumn with only a 2% chance of a rainy day.

January is the rainiest month in Oakland with 11.0 days of rain, and July is the driest month with only 0.2 rainy days. There are 67.0 rainy days annually in Oakland, which is rainier than most places in California. The rainiest season is Spring when it rains 48% of the time and the driest is Autumn with only a 3% chance of a rainy day.

There is rarely any recorded snowfall in Napa, ranking it as one of the least snowy places in California.

There is rarely any recorded snowfall in Oakland, ranking it as one of the least snowy places in California.

Any measurable snowfall is a rare occurance in Napa.

Any measurable snowfall is a rare occurance in Oakland.