Historical weather data, all-time temperature records, and monthly climate averages for Santa Clara, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Santa Clara is a transitional day, with average highs of 68° and lows of 47° across 116 years of records. The date has seen wild swings — from a balmy 89° in 1989 to a hard freeze at 26° back in 1895. There's a 1-in-5 chance of rain today, but snow is essentially off the table.
Santa Clara's weather has real range for a Bay Area city — the all-time high hit 109° in June 2000, while the coldest recorded day bottomed out at 18° in January 1894. Snow is nearly mythical here, with the record snowfall a modest 1 inch back in December 1932.
Santa Clara runs warm and dry through summer, peaking in the July 9–15 window with average highs of 82°, then cooling to a mild 57° in early January. If you're trying to avoid rain, summer and fall are your friends — the wettest stretch falls in late January through early February, averaging nearly 0.8 inches per week.