To the east,
heat in the valley creates thinner air and low pressure
. The valley becomes like a vacuum that wants to be filled by the heavier marine layer. It pulls that layer over San Francisco, which typically makes the city cooler than other parts of California — and the country — in the summer.
Does it ever get hot in San Francisco?
The Warmest Months in San Francisco
September and October are usually the warmest and sunniest months, when San Francisco gets its Indian summer. April and May can also be warm and sunny.
It doesn't normally get hot in the city
although spring and fall sometimes see temperatures in the 80's.
Why is it so cold in Bay Area?
“
The strong northwest winds help create the cold sea surface temperatures
, and once you have them in place the air blowing across it is going to get close, so this is why in the evening it feels colder at times,” Mehle said.
Does it get cold in San Francisco?
In San Francisco, the summers are long, comfortable, arid, and mostly clear and the winters are short, cold, wet, and partly cloudy. Over the course of the year, the temperature typically
varies from 45°F to 72°F
and is rarely below 39°F or above 83°F.
Why is SF not hot?
To the east,
heat in the valley creates thinner air and low pressure
. The valley becomes like a vacuum that wants to be filled by the heavier marine layer. It pulls that layer over San Francisco, which typically makes the city cooler than other parts of California — and the country — in the summer.
What is the hottest month of the year in San Francisco?
According to weather.com, the warmest month on average is
September
with an average high of 71°F and low of 56°F. San Francisco gets about 15 days per year with a temp over 90°F. Typically, there are not more than 3 over 90 degree days in a row. Most importantly, even in the heat waves, it always cools down at night.
What should I avoid in San Francisco?
- Driving downtown San Francisco during games for the Giants. …
- FIsherman's Wharf. …
- Sinkholes. …
- Bay Bridge Traffic. …
- Outdoor parades and events (if you're in a rush) …
- Dog *business* on the sidewalk. …
- Confusing cable cars with streetcars. …
- Construction sites.
What is the coldest month in San Francisco?
San Francisco County's coldest month is
January
when the average temperature overnight is 46.4°F. In September, the warmest month, the average day time temperature rises to 71.3°F.
Is 70 degrees in San Francisco cold?
San Francisco stays a
cool 60 or so degrees all year long
. It's a little warmer in Oakland in the summer and about the same in the winter. In Oakland, you will find higher temps in the summer months (70 to 75) and about the same temps in the winter months (58 to 61).
Is San Francisco Safe?
Overall,
San Francisco is a fairly safe city
. However, we do have many of the same problems as other larger cities throughout the world. Due to our mild temperatures during almost all of the year, we also have a decent homeless population.
What is San Francisco known for?
A popular tourist destination, San Francisco is known for its cool summers, fog, steep rolling hills, eclectic mix of architecture, and landmarks, including the
Golden Gate Bridge
, cable cars, the former Alcatraz Federal Penitentiary, Fisherman's Wharf, and its Chinatown district.
Is San Francisco expensive?
In the U.S., New York City is the most pricey to live in, followed by San Francisco—however, NYC is only #9 on the world's
most expensive
cities.
Why is SF weather so weird?
San Francisco also benefits from the contrast between the cold ocean current and the
extreme heat
of California's Central Valley. The result is a pretty steady onshore flow of cool air, pulled in by the stifling hot air inland which rises. This also pulls the famous fog inland onto the city.
Why is San Francisco so dirty?
The reason tourists, such as myself, find San Francisco so dirty is
because of the tourist attractions, also known as Mission Street and Union Square, overlapped with the Tenderloin
. The Tenderloin is an area in San Francisco that is the most densely populated with homeless people and is known for being dirty.
How do I not look like a tourist in San Francisco?
- Always layer. …
- If you must buy a sweatshirt, get anything related to the 49ers. …
- And save those Google or Facebook T-shirts. …
- Still, think casual… …
- … …
- Leave your umbrellas at home. …
- Don't, under any circumstances, call the city San Fran.
What are the rainiest months in San Francisco?
A lot of rain (rainy season) falls in the months: January, February and December. San Francisco has dry periods in May, June, July, August and September. On average,
December is the wettest month
with 4.53 inch (115.0 mm) of precipitation.