Sunheron logoSunheron
About SunheronFAQContactBlog
Find destination...
°C
  • About Sunheron
  • FAQ
  • Contact
  • Blog
  • °C

    California - West coast

    San Francisco weather and climate

    California - West coast

    San Francisco weather and climate

     

    Day

    15 °C

     

    Night

    8 °C

     

    Sea

    12 °C

     

    Precipitation

    139 mm

    in month

     

    Rainy days

    10 days

    in month

     

    Daylight

    11 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    77 %

     

    Day

    15 °C

     

    Night

    8 °C

     

    Sea

    12 °C

     

    Precipitation

    139 mm

    in month

     

    Rainy days

    10 days

    in month

     

    Daylight

    11 hours

    average

     

    Sunshine

    7 hours

    average

     

    Humidity

    77 %

    Overview: San Francisco
    San Francisco (United States of America) in general has a hot climate. The day temperatures range from 13 °C (56 °F) in January to 22 °C (71 °F) in September. The highest night temperatures could be experienced in August with 14 °C (57 °F), the lowest in January with 7 °C (44 °F). The least rainy month in San Francisco is July with its 0 days of rain, the rainiest month is February, when it rains 10 days.

    Weather charts for San Francisco

    Data backed by 40 years of history

    We make the most from 40 years of historical weather data to predict the best weather conditions.

    Selection of world's favourite destinations

    Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.

    16 500 000 weather records

    We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.

    Bridge in San Francisco at dawn

    Find more destinations like this

    Destinations with similar weather to San Francisco

    Other destinations in California - West coast

    Closest cities for San Francisco


    Weather overview for San Francisco

    Weather overview

    San Francisco (United States of America) in general has a hot climate. The day temperatures range from 13 °C (56 °F) in January to 22 °C (71 °F) in September. The highest night temperatures could be experienced in August with 14 °C (57 °F), the lowest in January with 7 °C (44 °F). The least rainy month in San Francisco is July with its 0 days of rain, the rainiest month is February, when it rains 10 days.

    January weather

    The minimum of the day temperature can be noticed in San Francisco, and the minimum of the night temperature can be noticed too in January. The beginning of the descent of the rainfall amount could be noticed, with its value being 144 mm (5.67 in). The wind speed is on its minimum, with its value of 3. The beginning of the rise of the number of sun hours (without clouds) could be noticed, the value of this measure is 6 hours.

    February weather

    The beginning of the rise of the day temperature could be noticed, with its value being 15 °C (59 °F) in San Francisco, and the night temperature starts to rise too in this month. The number of rainy days is on its maximum, with its value of 10 days. The rise of the number of sun hours (without clouds) can be observed, with its value of 7 hours.

    March weather

    The day temperature rises similarly to the previous month, with its value of 16 °C (61 °F) in San Francisco, and the night temperature rises similarly to the previous month too. The rainfall amount starts to descent, with its value being 113 mm (4.44 in). The number of sun hours (without clouds) continues to rise, with its value of 9 hours.

    April weather

    The day temperature rises similarly to the previous month, its value is 18 °C (64 °F) in San Francisco, and the rise of the night temperature can be observed too, with its value being 10 °C (49 °F). The rainfall amount descents similarly to the previous month, its value is 50 mm (1.98 in), while the number of rainy days descent's start could be observed, the value of this measure is 6 days. The rise of the number of sun hours (without clouds) can be observed, with its value being 10 hours.

    May weather

    The rise of the day temperature can be observed, with its value being 19 °C (65 °F) in San Francisco, and the night temperature continues to rise too. The descent of the number of rainy days can be observed, the value of this measure is 3 days, and the rainfall amount descents similarly to the previous month too, the value of this measure is 21 mm (0.82 in). The tourist season slowly starts. The number of sun hours (without clouds) is on its maximum, with its value of 11 hours.

    June weather

    There is pending tourist season in San Francisco. The number of rainy days continues to descent, the value of this measure is 1 day, and the rainfall amount continues to descent as well, with its value being 5 mm (0.19 in). The rise of the day temperature can be observed, the value of this measure is 20 °C (68 °F), and the rise of the night temperature can be observed as well, its value is 12 °C (54 °F). The maximum of the wind speed is observable, its value is 5.

    July weather

    The ongoing tourist season is noticeable in San Francisco, and the dry season is taking place too. The number of rainy days is on its minimum, with its value of 0 days, and the minimum of the rainfall amount is observable too, the value of this measure is 1 mm (0.02 in). The rise of the night temperature can be observed, the value of this measure is 14 °C (56 °F).

    August weather

    The tourist season is taking place in San Francisco, and the dry season is close to its peak as well. The maximum of the night temperature is observable, its value is 14 °C (57 °F). The beginning of the descent of the number of sun hours (without clouds) could be noticed, the value of this measure is 9 hours.

    September weather

    The tourist season is close to its peak in San Francisco, and there is pending dry season as well in September. The maximum of the day temperature is observable, with its value being 22 °C (71 °F). The beginning of the rise of the number of rainy days could be noticed, the value of this measure is 1 day. The number of sun hours (without clouds) continues to descent, its value is 9 hours.

    October weather

    The tourist season is taking place in San Francisco. The number of rainy days rises similarly to the previous month, with its value being 3 days, while the beginning of the rise of the rainfall amount could be noticed, its value is 40 mm (1.58 in). The day temperature descent's start could be observed, its value is 21 °C (69 °F), and the beginning of the descent of the night temperature could be noticed as well, the value of this measure is 12 °C (54 °F). The number of sun hours (without clouds) descents similarly to the previous month, its value is 8 hours.

    November weather

    The day temperature descents similarly to the previous month in San Francisco, and the descent of the night temperature can be observed as well, its value is 9 °C (49 °F). The number of rainy days rises similarly to the previous month, with its value being 8 days, and the rise of the rainfall amount can be observed as well, with its value being 94 mm (3.69 in). The descent of the number of sun hours (without clouds) can be observed, its value is 6 hours.

    December weather

    The descent of the day temperature can be observed, with its value being 14 °C (57 °F) in San Francisco, and the night temperature continues to descent as well. The number of rainy days rises similarly to the previous month, with its value of 10 days, while the maximum of the rainfall amount can be noticed. The number of sun hours (without clouds) is on its minimum, the value of this measure is 5 hours. The maximum of the humidity can be noticed, the value of this measure is 79 %.

    FAQs

    Is there a dry season in February in San Francisco?

    No, February is not a dry month in San Francisco, expect rain approximately 10 days in a month.

    What level of humidity is to expect in April in San Francisco?

    Humidity in San Francisco in April is 70 %.

    What is the air temperature in May in San Francisco at night?

    The average night temperature in San Francisco in May is 11 °C (52 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold. That's 2 °C (35 °F) more than in the previous month.

    How many rainy days can I expect in San Francisco in June?

    There are 1 day, which are rainy in June in San Francisco, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 0.3 days of the week, or in general - 4 % days. This is a decrease of 2 days compared to the last month. That means a 61 % decrease in the value.

    What temperature can I expect during the day in San Francisco in July?

    In July in San Francisco, the average daily temperatures will be 21 °C (69 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

    Are there good conditions to visit in San Francisco in August?

    In San Francisco in August, there are ideal conditions for a vacation. You can expect just 1 day of rain during the month, taking an umbrella is not necessary. There are some people, who may feel a slight chill at 21 °C (69 °F), but others will feel perfectly fine. The temperature of 14 °C (57 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

    What is the sea temperature in September in San Francisco?

    The sea will reach 14 °C (58 °F) in San Francisco in September. This is a sea temperature for resilient people only, most people won't enjoy swimming in such cold water or will have to use a wetsuit for water activities.

    Is October part of the wet season in San Francisco?

    No, there is no wet season in San Francisco in October - you can expect 3 days of rain during the month.

    How many hours of sun to expect in San Francisco in November?

    In San Francisco in November, you can expect around 6 hours of sunshine. The value is lower by 2 hours than in the previous month. This is 28 % decrease of the indicator.

    How windy is San Francisco in December?

    An average wind scale that can be expected in San Francisco in December is 4.

    Useful links

    Carmel by the Sea – a slightly different California
    Traveling to the USA? Advice and destination tips!

    Our latest blog posts