2025 Compare Cities Climate:
Herndon, VA vs South San Francisco, CA

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Highlights
- South San Francisco has 49.4% less rainy days than Herndon.
- South San Francisco has 28.9% more Sunny Days than Herndon.
- On the BestPlaces comfort index, South San Francisco scores 15.1% better than Herndon
 Herndon, VASouth San Francisco, CAUnited States
 Rainfall  Unlock2238
 Snowfall22  Unlock28
 Precipitation  Unlock68106
 Sunny201  Unlock205
 Avg. July High  Unlock6786
 Avg. Jan. Low24  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index4  Unlock4.3
 Elevation  Unlock162443
Reviews for Herndon    12 Reviews

Over 10 years ago

Seasons tend to be relatively mild. The warmer seasons are extended by 3-4 weeks as compared to the New York Metropolitan Area.  More

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Over 16 years ago

Traffic has gotten out of control the last couple of  More

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Over 16 years ago

We actually live south of Herndon in Oak Hill (Zip Code 20171). The Town of Herndon is incorporated, Oak Hill is not. Herndon is a nice enough city with an historic area  More

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Reviews for South San Francisco    5 Reviews

It's amazing, but many, many people, including people who live in SF, think that SSF is just a part of SF. Not true. We're right across the highway from SFO, which is  More

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Over 17 years ago

One frustrating thing about South City weather is the number of overcast & foggy days, as compared to other nearby cities on the Peninsula. You can literally look  More

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Over 19 years ago

Been living in bayview hunters point for about 12 years now. What I can say that it's a rough place to live, no one cares about us and the mayor of San Francisco  More

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