2026 Compare Cities Climate:
Allen, TX vs San Marcos, CA

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Highlights
- San Marcos has 66.7% less rainy days than Allen.
- San Marcos has 14.2% more Sunny Days than Allen.
- On the BestPlaces comfort index, San Marcos scores 26.4% better than Allen
 Allen, TXSan Marcos, CAUnited States
 Rainfall  Unlock1438
 Snowfall2  Unlock28
 Precipitation  Unlock41106
 Sunny232  Unlock205
 Avg. July High  Unlock8186
 Avg. Jan. Low32  Unlock22
 Comfort Index (higher=better)  Unlock9.17
 UV Index5.6  Unlock4.3
 Elevation  Unlock5812443
Reviews for Allen    14 Reviews

Over 9 years ago

Originally from Dallas, we moved to Allen 2013. We love the schools, my kids are getting a great education. My daughter was tested in the gifted program as soon as we  More

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Over 9 years ago

Allen is quite possibly the best city I've ever had the privilege of visiting. Everyone you meet is courteous, helpful, and respectable. The town fully supports one  More

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Over 10 years ago

We are planning a move to Allen, Texas and would like to know how many months out of the year are warm enough to swim? Getting ready to make an offer on a home and  More

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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

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Over 16 years ago

Is this area to expensive for the average income retired  More

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Over 19 years ago

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

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