When is the best time to go to San Francisco
The chart above shows the best time of year to visit San Francisco, Colombia. 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 |
|---|---|---|---|
| 25°C | 108mm | 6.3hrs | 12.6hrs |
January is a damp, humid month in San Francisco and the temperature is generally warm.
It is perhaps the perfect month to visit San Francisco, with some surprisingly 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 muggy 28°C (82°F), whilst at night 16°C (60°F) is normal.
On average January is the driest month of the year in San Francisco with around 108mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 hours of sunshine per day.
San Francisco weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 106mm | 5.9hrs | 12.6hrs |
February in San Francisco is generally damp with the temperature being warm.
It is perhaps the perfect month to visit San Francisco, with some surprisingly 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 a muggy 28°C (83°F), whilst at night 16°C (60°F) is normal.
On average February is the 2nd driest month of the year in San Francisco with around 106mm 4.2 inches of rain making it a damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
San Francisco weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 137mm | 5.1hrs | 12.8hrs |
The weather in March in San Francisco is characteristically warm, humid and wet.
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.
March is in the spring in San Francisco and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (83°F), whilst at night 16°C (61°F) is normal.
On average March is the 3rd driest month of the year in San Francisco with around 137mm 5.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.1 hours of sunshine per day.
San Francisco weather in March »
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 234mm | 4.4hrs | 13hrs |
San Francisco's weather in April is typically warm, humid and very wet in nature.
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.
April is in the spring in San Francisco and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 16°C (61°F) is normal.
On average April is the 4th driest 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 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.4 hours of sunshine per day.
San Francisco weather in April »
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 256mm | 4.5hrs | 13.1hrs |
May is a very wet, humid month in San Francisco and the temperature is generally warm.
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 muggy 27°C (81°F), whilst at night 16°C (61°F) is normal.
On average May is the 5th driest month of the year in San Francisco with around 256mm 10.1 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 4.5 hours of sunshine per day.
San Francisco weather in May »
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 213mm | 5.4hrs | 12.6hrs |
Warm, humid and very wet weather often prevails in San Francisco during the month of June
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.
June is in the summer in San Francisco and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 16°C (61°F) is normal.
On average June is the 6th driest month of the year in San Francisco with around 213mm 8.4 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 5.4 hours of sunshine per day.
San Francisco weather in June »
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 182mm | 6.4hrs | 12.6hrs |
July in San Francisco is generally wet with the temperature being warm.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit San Francisco.
July is in the summer in San Francisco and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 16°C (61°F) is normal.
On average July is the 6th wettest month of the year in San Francisco with around 182mm 7.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
San Francisco weather in July »
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 25°C | 206mm | 5.9hrs | 12.8hrs |
The weather in August in San Francisco is characteristically warm, humid and very wet.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit San Francisco.
August is in the summer in San Francisco and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 16°C (60°F) is normal.
On average August is the 5th wettest month of the year in San Francisco with around 206mm 8.1 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 5.9 hours of sunshine per day.
San Francisco weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 224mm | 5hrs | 13hrs |
San Francisco's weather in September is typically warm, humid and very wet in nature.
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.
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 27°C (80°F), whilst at night 16°C (60°F) is normal.
On average September is the 4th wettest month of the year in San Francisco with around 224mm 8.8 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 5 hours of sunshine per day.
San Francisco weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 285mm | 4.1hrs | 13.1hrs |
October is a very wet, humid month in San Francisco and the temperature is generally warm.
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.
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 27°C (80°F), whilst at night 16°C (60°F) is normal.
On average October is the 3rd wettest month of the year in San Francisco with around 285mm 11.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 25 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.1 hours of sunshine per day.
San Francisco weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 239mm | 4.7hrs | 12.6hrs |
Warm, humid and very wet weather often prevails in San Francisco during the month of November
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.
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 27°C (80°F), whilst at night 16°C (61°F) is normal.
On average November is the 2nd wettest month of the year in San Francisco with around 239mm 9.4 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 4.7 hours of sunshine per day.
San Francisco weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 150mm | 5.5hrs | 12.6hrs |
December in San Francisco is generally wet with the temperature being warm.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit San Francisco.
December is in the winter in San Francisco and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 16°C (60°F) is normal.
On average December is the wettest month of the year in San Francisco with around 150mm 5.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
Other monthly averages
San Francisco weather stats
| Hottest month: | March | 27.8°C 82°F |
|---|---|---|
| Driest month: | February | 106mm 4.2ins |
| Sunniest month: | January | 6.3hrs |
| Coldest month: | October | 26.2°C 79.2°F |
| Wettest month: | October | 285mm 11.2ins |
| Warmest sea: | June | 28.3°C 82.9°F |
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