Climate
Santa Clara weather by month
Average highs, lows, rain and snow for every month, from 30 years of weather records.
Average temperatures
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Best time to visit: July, August, September, when highs are mild and rain is lightest.
Month by month
| Month | High | Low | Rain | Wet days |
|---|---|---|---|---|
| January | 60°F | 42°F | 2.8 in | 9 |
| February | 62°F | 44°F | 2.7 in | 10 |
| March | 66°F | 46°F | 2.1 in | 9 |
| April | 69°F | 48°F | 1.1 in | 6 |
| May | 74°F | 52°F | 0.40 in | 3 |
| June | 79°F | 56°F | 0.20 in | 1 |
| July | 81°F | 58°F | 0.00 in | 0 |
| August | 81°F | 59°F | 0.10 in | 0 |
| September | 81°F | 57°F | 0.10 in | 1 |
| October | 76°F | 53°F | 0.50 in | 3 |
| November | 66°F | 46°F | 1.3 in | 7 |
| December | 60°F | 42°F | 2.3 in | 10 |
NOAA U.S. Climate Normals 1991–2020, San Jose, Ca Us (2.5 mi away, 51 ft). Wet days: days with at least 0.01 in of precipitation.
Questions
What is the hottest month in Santa Clara?
August, with an average high of 81°F and low of 59°F.
What is the coldest month in Santa Clara?
December, with an average low of 42°F and high of 60°F.
When does it rain most in Santa Clara?
January is the wettest month, averaging 2.8 in of precipitation; the year totals about 13.6 inches.
What is the best time to visit Santa Clara?
For mild weather (highs between 65°F and 85°F) with the least rain, July, August, September.
Where do these numbers come from?
NOAA’s 1991–2020 U.S. Climate Normals for the San Jose weather station, 2.5 miles from downtown: 30-year averages, not a forecast.