The average annual temperature for San Mateo, California is 15°C/59°F.
The average annual temperature for San Mateo, California is 15°C/59°F.
September is the hottest or warmest month in San Mateo, California, with an average maximum temperature of 24°C/75°F.
January is the coolest or coldest month in San Mateo, California, with an average minimum temperature of 6°C/43°F.
11°C/52°F is the average temperature for San Mateo, California in January.
12°C/54°F is the average temperature for San Mateo, California in February.
14°C/57°F is the average temperature for San Mateo, California in March.
15°C/59°F is the average temperature for San Mateo, California in April.
16°C/61°F is the average temperature for San Mateo, California in May.
18°C/64°F is the average temperature for San Mateo, California in June.
18°C/64°F is the average temperature for San Mateo, California in July.
19°C/66°F is the average temperature for San Mateo, California in August.
19°C/66°F is the average temperature for San Mateo, California in September.
17°C/63°F is the average temperature for San Mateo, California in October.
13°C/55°F is the average temperature for San Mateo, California in November.
11°C/52°F is the average temperature for San Mateo, California in December.
Average annual rainfall for San Mateo, California is 455mm (18 inches).
December is the wettest or most rainy month in San Mateo, California, with an average rainfall of 98mm (4 inches).
July is the driest or least rainy month in San Mateo, California, with an average rainfall of 0mm (0 inches).
On average, there are 73mm/3 inches of rain in January in San Mateo, California.
On average, there are 67mm/3 inches of rain in February in San Mateo, California.
On average, there are 82mm/3 inches of rain in March in San Mateo, California.
On average, there are 39mm/2 inches of rain in April in San Mateo, California.
On average, there are 9mm/0 inches of rain in May in San Mateo, California.
On average, there are 6mm/0 inches of rain in June in San Mateo, California.
On average, there are 0mm/0 inches of rain in July in San Mateo, California.
On average, there are 0mm/0 inches of rain in August in San Mateo, California.
On average, there are 3mm/0 inches of rain in September in San Mateo, California.
On average, there are 29mm/1 inches of rain in October in San Mateo, California.
On average, there are 49mm/2 inches of rain in November in San Mateo, California.
On average, there are 98mm/4 inches of rain in December in San Mateo, California.
Yes, San Mateo, California is further west than the prime meridian (zero degrees longitude), which means it is in the Western Hemisphere. The midpoint of San Mateo, California is further west than the prime meridian (zero degrees longitude) by approximately 4,689 miles (7,546km).
No, San Mateo, California is not further east than the prime meridian (zero degrees longitude), which means it is not in the Eastern Hemisphere.
Yes, San Mateo, California is further north than the equator, which means it is in the Northern Hemisphere. The midpoint of San Mateo, California is approximately 2,595 miles (4,177km) north of the equator.
No, San Mateo, California is not further south than the equator, which means it is not in the Southern Hemisphere.