When is the best time to go to San Mateo
The chart above shows the best time of year to visit San Mateo, United States. 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 Mateo
San Mateo weather by month
Please note our recommendations for when to visit San Mateo 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 |
|---|---|---|---|
| 12°C | 95mm | 6.3hrs | 10.9hrs |
Cool and a little damp weather often prevails in San Mateo during the month of January
Based on weather alone, this is probably a time of year to avoid going to San Mateo for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
January is in the winter in San Mateo and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 6°C (42°F) is normal.
On average January is the driest month of the year in San Mateo with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 hours of sunshine per day.
San Mateo weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 14°C | 71mm | 8hrs | 11.7hrs |
February in San Mateo is generally reasonably dry with the temperature being mild.
Based on weather alone, this is probably a time of year to avoid going to San Mateo for your holidays. The weather is often not a good and not conducive to spending time outdoors.
February is in the winter in San Mateo and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 7°C (45°F) is normal.
On average February is the 2nd driest month of the year in San Mateo with around 71mm 2.8 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 8 hours of sunshine per day.
San Mateo weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 70mm | 9.4hrs | 12.8hrs |
The weather in March in San Mateo is characteristically mild and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to San Mateo for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in San Mateo and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 8°C (46°F) is normal.
On average March is the 3rd driest month of the year in San Mateo with around 70mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.4 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 17°C | 33mm | 11.1hrs | 14hrs |
San Mateo's weather in April is typically mild and reasonably dry 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 Mateo.
April is in the spring in San Mateo and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 9°C (48°F) is normal.
On average April is the 4th driest month of the year in San Mateo with around 33mm 1.3 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 11.1 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 6mm | 11.6hrs | 15.1hrs |
May is a very dry month in San Mateo and the temperature is generally mild.
It is perhaps a good month to visit San Mateo, with some very good weather at this time of year.
May is in the spring in San Mateo and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 10°C (50°F) is normal.
On average May is the 5th driest month of the year in San Mateo with around 6mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 11.6 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 2mm | 11.7hrs | 10.9hrs |
The weather in June in San Mateo is characteristically mild and very dry.
It is perhaps the perfect month to visit San Mateo, with some extremely good weather at this time of year.
June is in the summer in San Mateo and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a comfortable 22°C (72°F), whilst at night 12°C (53°F) is normal.
On average June is the 6th driest month of the year in San Mateo with around 2mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 11.7 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 1mm | 11.5hrs | 11.7hrs |
July in San Mateo is generally very dry with the temperature being mild.
It is perhaps the perfect month to visit San Mateo, with some inordinately good weather at this time of year.
July is in the summer in San Mateo and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (74°F), whilst at night 13°C (55°F) is normal.
On average July is the 6th wettest month of the year in San Mateo with around 1mm 0 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 11.5 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 1mm | 10.6hrs | 12.8hrs |
The weather in August in San Mateo is characteristically warm and very dry.
It is perhaps the perfect month to visit San Mateo, with some very good weather at this time of year.
August is in the summer in San Mateo and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 24°C (74°F), whilst at night 13°C (56°F) is normal.
On average August is the 5th wettest month of the year in San Mateo with around 1mm 0 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10.6 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 22°C | 4mm | 10.1hrs | 14hrs |
San Mateo's weather in September is typically warm and very dry in nature.
It is perhaps the perfect month to visit San Mateo, with some very good weather at this time of year.
September is in the fall / autumn in San Mateo and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (75°F), whilst at night 13°C (56°F) is normal.
On average September is the 4th wettest month of the year in San Mateo 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 10.1 hours of sunshine per day.
San Mateo weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 25mm | 8.9hrs | 15.1hrs |
October is a dry month in San Mateo and the temperature is generally mild.
It is perhaps the perfect month to visit San Mateo, with some extremely good weather at this time of year.
October is in the fall / autumn in San Mateo and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 11°C (52°F) is normal.
On average October is the 3rd wettest month of the year in San Mateo with around 25mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.9 hours of sunshine per day.
San Mateo weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 64mm | 6.5hrs | 10.9hrs |
The climate in San Mateo during November can be summarized as mild and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to San Mateo for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
November is in the fall / autumn in San Mateo and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 9°C (48°F) is normal.
On average November is the 2nd wettest month of the year in San Mateo with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
San Mateo weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 13°C | 73mm | 5.6hrs | 11.7hrs |
December in San Mateo is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to San Mateo for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
December is in the winter in San Mateo and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 6°C (43°F) is normal.
On average December is the wettest month of the year in San Mateo with around 73mm 2.9 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 5.6 hours of sunshine per day.
Other monthly averages
San Mateo weather stats
| Hottest month: | September | 23.8°C 74.8°F |
|---|---|---|
| Driest month: | July | 1mm 0ins |
| Sunniest month: | April | 11.1hrs |
| Coldest month: | January | 13.5°C 56.3°F |
| Wettest month: | January | 95mm 3.7ins |
| Warmest sea: | September | 14.4°C 57.9°F |
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