When is the best time to go to San Francisco
The chart above shows the best time of year to visit San Francisco, El Salvador. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in San Francisco
San Francisco weather by month
Please note our recommendations for when to visit San Francisco are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 4mm | 9.1hrs | 12.2hrs |
San Francisco's weather in January is typically hot and very dry in nature.
It is perhaps the perfect month to visit San Francisco, with some extremely good weather at this time of year.
January is in the winter in San Francisco and is typically the coldest month of the year. Daytime maximum temperatures average around a comfortable 31°C (88°F), whilst at night 17°C (62°F) is normal.
On average January is the driest month of the year in San Francisco with around 4mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.1 hours of sunshine per day.
San Francisco weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 5mm | 9.6hrs | 12.4hrs |
February in San Francisco is generally very dry with the temperature being hot.
It is perhaps the perfect month to visit San Francisco, with some particularly good weather at this time of year.
February is in the winter in San Francisco and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around 32°C (90°F), whilst at night 17°C (63°F) is normal.
On average February is the 2nd driest month of the year in San Francisco with around 5mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
San Francisco weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 8mm | 9.9hrs | 12.8hrs |
The weather in March in San Francisco is characteristically hot and very dry.
It is perhaps the perfect month to visit San Francisco, with some surprisingly good weather at this time of year.
March is in the spring in San Francisco and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a warm 34°C (92°F), whilst at night 18°C (65°F) is normal.
On average March is the 3rd driest month of the year in San Francisco with around 8mm 0.3 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.9 hours of sunshine per day.
San Francisco weather in March »
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 30°C | 41mm | 9.7hrs | 13.2hrs |
San Francisco's weather in April is typically hot and reasonably dry in nature.
It is perhaps a good month to visit San Francisco, with some extremely good weather at this time of year.
April is in the spring in San Francisco and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a warm 34°C (93°F), whilst at night 20°C (67°F) is normal.
On average April is the 4th driest month of the year in San Francisco with around 41mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.7 hours of sunshine per day.
San Francisco weather in April »
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 29°C | 190mm | 8.6hrs | 13.5hrs |
May is a wet, humid month in San Francisco and the temperature is generally hot.
Based on weather alone, this is probably a time of year to avoid going to San Francisco for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
May is in the spring in San Francisco and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (90°F), whilst at night 20°C (68°F) is normal.
On average May is the 5th driest month of the year in San Francisco with around 190mm 7.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
San Francisco weather in May »
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 295mm | 7.7hrs | 12.2hrs |
The weather in June in San Francisco is characteristically hot, humid and very wet.
Based on weather alone, this is probably a time of year to avoid going to San Francisco for your holidays. The weather is often not a good and not conducive to spending time outdoors.
June is in the summer in San Francisco and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 20°C (68°F) is normal.
On average June is the 6th driest month of the year in San Francisco with around 295mm 11.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
San Francisco weather in June »
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 223mm | 8.2hrs | 12.4hrs |
July in San Francisco is generally very wet with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to San Francisco for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
July is in the summer in San Francisco and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 20°C (68°F) is normal.
On average July is the 6th wettest month of the year in San Francisco with around 223mm 8.8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
San Francisco weather in July »
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 234mm | 7.8hrs | 12.8hrs |
The weather in August in San Francisco is characteristically hot, humid and very wet.
Based on weather alone, this is probably a time of year to avoid going to San Francisco for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
August is in the summer in San Francisco and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 20°C (67°F) is normal.
On average August is the 5th wettest month of the year in San Francisco with around 234mm 9.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
San Francisco weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 361mm | 6.7hrs | 13.2hrs |
San Francisco's weather in September is typically hot, humid and very wet in nature.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit San Francisco.
September is in the fall / autumn in San Francisco and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 20°C (67°F) is normal.
On average September is the 4th wettest month of the year in San Francisco with around 361mm 14.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 27 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
San Francisco weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 217mm | 7hrs | 13.5hrs |
October is a very wet, humid month in San Francisco and the temperature is generally hot.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit San Francisco.
October is in the fall / autumn in San Francisco and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (85°F), whilst at night 19°C (67°F) is normal.
On average October is the 3rd wettest month of the year in San Francisco with around 217mm 8.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
San Francisco weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 27°C | 40mm | 7.8hrs | 12.2hrs |
November in San Francisco is generally reasonably dry with the temperature being hot.
It is perhaps the perfect month to visit San Francisco, with some surprisingly good weather at this time of year.
November is in the fall / autumn in San Francisco and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 18°C (65°F) is normal.
On average November is the 2nd wettest month of the year in San Francisco with around 40mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
San Francisco weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 28°C | 5mm | 8.8hrs | 12.4hrs |
December in San Francisco is generally very dry with the temperature being hot.
It is perhaps a good month to visit San Francisco, with some inordinately good weather at this time of year.
December is in the winter in San Francisco and is typically the warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (87°F), whilst at night 18°C (64°F) is normal.
On average December is the wettest month of the year in San Francisco with around 5mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 8.8 hours of sunshine per day.
Other monthly averages
San Francisco weather stats
| Hottest month: | April | 33.4°C 92.1°F |
|---|---|---|
| Driest month: | January | 4mm 0.2ins |
| Sunniest month: | February | 9.6hrs |
| Coldest month: | January | 30.7°C 87.3°F |
| Wettest month: | September | 361mm 14.2ins |
| Warmest sea: | August | 29.7°C 85.5°F |
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