The bay counties surrounding SF get very warm in summer, often really hot, and see sunny skies every day, while San Francisco sits in its cool, foggy spot all summer. But even within San Francisco there are noticeable differences in temperature and sun.
Is it foggy in San Francisco in the summer?
Summertime is the foggiest season in San Francisco. Remember, the fog is driven in part by high-temperature inland air. That warm summer air is the fuel that drives the coastal fog’s engine. The fog can be so intense that summer temperatures in the Golden City are often in the 60’s.
Why is San Francisco cloudy in the summer?
In San Francisco, fog is most common during the summer due to a combination of environmental conditions that cause wind patterns and ocean currents in the North Pacific to play off one another.
Is it foggy in San Francisco in July?
In July, the city is covered in fog at night which keeps the temperatures low throughout the summer. The fog burns off mid-morning and most days are sunny. The fog then rolls in again in the evenings and cools down the city to the mid-50s.
How often is it cloudy in San Francisco?
Total Cloudy and Foggy Days at US Cities a Year
| City | Cloud | Fog |
|---|---|---|
| San Antonio, Texas | 141 | 130 |
| San Diego, California | 102 | 97 |
| San Francisco, California | 105 | 108 |
| Seattle, Washington | 226 | 165 |
Is it always cloudy in San Francisco?
The bay counties surrounding SF get very warm in summer, often really hot, and see sunny skies every day, while San Francisco sits in its cool, foggy spot all summer. But even within San Francisco there are noticeable differences in temperature and sun.
Is it always foggy in San Francisco?
Although fog can occur sporadically year-round, it mainly blankets the coastal Bay Area in the summer when hot inland temperatures create a low-pressure zone over Northern California’s Central Valley. The hot inland air rises and the heavier cold ocean air rushes in to replace it.
Is it foggy in San Francisco in June?
Fog can be seen in San Francisco Bay pretty dependably starting in June and lasting through August. The fog usually rolls in during the early morning, then burns off by the afternoon, revealing sunny, clear skies, until it returns again in the evening.
What is summer like in San Francisco?
Average highs between June and August are between 66 and 68 degrees. Temps drop down to the 50s at night. Summers are foggy. Fog is San Francisco’s natural AC.
What is the best month to visit San Francisco?
The best time to visit San Francisco is from September to November. Believe it or not, fall offers some of the city’s warmest temperatures year-round, not to mention fewer crowds than summer. Spring is another good time to visit thanks to its mild temperatures and lack of rain (compared to other parts of California).
Is San Francisco sunny in July?
HOW MUCH SUN AND RAIN? Most of the days this month will be sunny or partly sunny as July averages 29 days of sunshine. The rest of the days are more likely to be cloudy than rainy.
What is San Francisco like in July?
Daily high temperatures are around 70°F, rarely falling below 64°F or exceeding 79°F. Daily low temperatures are around 56°F, rarely falling below 52°F or exceeding 60°F.
Is San Francisco foggy in August?
August is also the foggiest time of the year. The fog forms when temperatures all around SF are warmer. That warm air hits the cool waters surrounding the city to provide us with some natural air conditioning.
What is the foggiest month in San Francisco?
June is traditionally the foggiest month, but July and August are just as susceptible to fog as rain is from November through April. That should not discourage you from visiting SF.
What is the foggiest city in the US?
Cape Disappointment, Washington.
Located in the extreme southwest corner of Washington State, Cape Disappointment sees nearly three and a half months of thick fog each year, and just like at Point Reyes, the Pacific Ocean has a lot to do with it.
What is the foggiest city in the world?
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- We’ll take Hamilton, New Zealand — the country’s fourth most populated city — covered in fog or sunshine.
- Karl Mondon/Bay Area News Group.
- Newfoundland, especially the underwater plateaus known as The Great Banks, is the foggiest place on Earth, according to World Atlas. (
How many sunny days does San Francisco have?
On average, there are 259 sunny days per year in San Francisco. The US average is 205 sunny days. San Francisco gets some kind of precipitation, on average, 72 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground.
What is the hottest month in San Francisco?
July is the hottest month in San Francisco with an average temperature of 14°C (57°F) and the coldest is January at 10°C (50°F) with the most daily sunshine hours at 14 in July. The wettest month is January with an average of 119mm of rain.
Can you swim in San Francisco beaches?
Don’t plan to go swimming at the beaches in San Francisco (except Aquatic Park on a hot day). There are very dangerous rip currents, especially at Ocean Beach; people drown there almost every summer.
Is it foggy at Golden Gate Bridge?
The Golden Gate Bridge has two fog horns, which blast for 2.5 hours each day, on average.
How do I not look like a tourist in San Francisco?
How Not to 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.