The average annual temperature for Castro Valley, California is 15°C/59°F.
The average annual temperature for Castro Valley, California is 15°C/59°F.
September is the hottest or warmest month in Castro Valley, California, with an average maximum temperature of 24°C/75°F.
January is the coolest or coldest month in Castro Valley, California, with an average minimum temperature of 6°C/43°F.
11°C/52°F is the average temperature for Castro Valley, California in January.
12°C/54°F is the average temperature for Castro Valley, California in February.
14°C/57°F is the average temperature for Castro Valley, California in March.
15°C/59°F is the average temperature for Castro Valley, California in April.
16°C/61°F is the average temperature for Castro Valley, California in May.
18°C/64°F is the average temperature for Castro Valley, California in June.
18°C/64°F is the average temperature for Castro Valley, California in July.
19°C/66°F is the average temperature for Castro Valley, California in August.
19°C/66°F is the average temperature for Castro Valley, California in September.
17°C/63°F is the average temperature for Castro Valley, California in October.
13°C/55°F is the average temperature for Castro Valley, California in November.
11°C/52°F is the average temperature for Castro Valley, California in December.
Average annual rainfall for Castro Valley, California is 455mm (18 inches).
December is the wettest or most rainy month in Castro Valley, California, with an average rainfall of 98mm (4 inches).
July is the driest or least rainy month in Castro Valley, California, with an average rainfall of 0mm (0 inches).
On average, there are 73mm/3 inches of rain in January in Castro Valley, California.
On average, there are 67mm/3 inches of rain in February in Castro Valley, California.
On average, there are 82mm/3 inches of rain in March in Castro Valley, California.
On average, there are 39mm/2 inches of rain in April in Castro Valley, California.
On average, there are 9mm/0 inches of rain in May in Castro Valley, California.
On average, there are 6mm/0 inches of rain in June in Castro Valley, California.
On average, there are 0mm/0 inches of rain in July in Castro Valley, California.
On average, there are 0mm/0 inches of rain in August in Castro Valley, California.
On average, there are 3mm/0 inches of rain in September in Castro Valley, California.
On average, there are 29mm/1 inches of rain in October in Castro Valley, California.
On average, there are 49mm/2 inches of rain in November in Castro Valley, California.
On average, there are 98mm/4 inches of rain in December in Castro Valley, California.
Yes, Castro Valley, California is further west than the prime meridian (zero degrees longitude), which means it is in the Western Hemisphere. The midpoint of Castro Valley, California is further west than the prime meridian (zero degrees longitude) by approximately 4,656 miles (7,493km).
No, Castro Valley, California is not further east than the prime meridian (zero degrees longitude), which means it is not in the Eastern Hemisphere.
Yes, Castro Valley, California is further north than the equator, which means it is in the Northern Hemisphere. The midpoint of Castro Valley, California is approximately 2,604 miles (4,191km) north of the equator.
No, Castro Valley, California is not further south than the equator, which means it is not in the Southern Hemisphere.