2025 Compare Cities Climate:
San Marcos, CA vs Castro Valley, CA

Change Cities
Highlights
- Castro Valley has 55.5% more rainy days than San Marcos.
- Castro Valley has 1.5% less Sunny Days than San Marcos.
- On the BestPlaces comfort index, Castro Valley scores 5.5% worse than San Marcos
 San Marcos, CACastro Valley, CAUnited States
 Rainfall  Unlock2138
 Snowfall0  Unlock28
 Precipitation  Unlock66106
 Sunny265  Unlock205
 Avg. July High  Unlock7686
 Avg. Jan. Low45  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index5.9  Unlock4.3
 Elevation  Unlock1612443
Reviews for San Marcos    5 Reviews

Just an amazing place to live. I have lived in 7 states and almost countless cities. Sam Marcos is one of the best. This is literally the longest place I have lived  More

   |    Reply

Over 15 years ago

Is this area to expensive for the average income retired  More

   |    Reply

Over 18 years ago

Beautiful Mediterranean climate with bright sunshine and ocean breazes. City is just 15 minutes away from the  More

   |    Reply

Start Your Review of San Marcos

Reviews for Castro Valley    7 Reviews

CURMUDGEON - THANK YOU for your post. The most important part of your comment is your second paragraph. "Hodge-Podge" is the correct word for a lot of Castro  More

   |    Reply

Over 11 years ago

Kind of rural but close to Oakland and San  More

   |    Reply

Castro Valley is the largest unincorporated "city" in the Bay Area. Over the years, several attempts have been made to incorporate, but they have all been defeated at  More

   |    Reply

Start Your Review of Castro Valley


Premium Subscription
Includes Cost of Living compares for child care, utilities, transportation, health, taxes, housing for home owners vs renters, weather, insurance premiums and so much more.


The premier source for comprehensive city data for over 30 years.

© Best Places. All rights reserved.