When to Visit Palo Alto
Climate guide & best times to travel
Best Time to Visit
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Year-Round Essentials
Spring (Mar-May)
Summer (Jun-Aug)
Autumn (Sep-Nov)
Winter (Dec-Feb)
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Month-by-Month Guide
January
January is the coolest month in Palo Alto, though "cool" means mild by most standards. You'll likely see some rain, but we're talking minimal amounts—the landscape stays green from winter moisture. It's a quiet time with fewer tourists, and you'll want layers for the morning chill that burns off by afternoon.
February
February starts warming up slightly while maintaining that winter pattern of occasional light rain. The area begins showing signs of spring with early blooms, and it's still a relatively quiet time for tourism. Mornings can be crisp, but afternoons are typically pleasant for outdoor activities.
March
Spring arrives in earnest during March, with temperatures climbing and rainfall tapering off. The landscape is at its greenest from winter rains, making it particularly scenic for outdoor exploration. You'll notice longer days and generally sunny conditions, though you might catch an occasional spring shower.
April
April marks the beginning of the dry season with virtually no rainfall and increasingly comfortable temperatures. It's an ideal time for outdoor activities—warm enough for shorts during the day but still cool enough that you won't overheat. The area feels fresh and the weather is reliably pleasant.
May
May offers some of the most comfortable weather of the year, with warm days and cool evenings perfect for exploring. The dry pattern is well established, and you can count on sunny skies. It's popular with visitors who've figured out this is the sweet spot before summer crowds arrive.
June
Summer begins with June bringing warmer temperatures but still remaining comfortable by most standards. Morning fog becomes more common, often burning off by midday to reveal sunny afternoons. It's a popular time for visitors, particularly families, as the weather is consistently pleasant.
July
July is peak summer with the warmest temperatures and zero rainfall. Expect that characteristic morning fog along the coast that usually clears by afternoon. It's busy with tourists and locals enjoying outdoor activities, though the heat never gets oppressive like it does inland.
August
August is typically the warmest month, though the difference from July is minimal. The weather pattern holds steady—dry, warm days with possible morning fog and cool evenings. It remains a popular time for visitors, and you'll want to book accommodations ahead as it's peak season.
September
September is actually one of the warmest and most pleasant months, as the morning fog decreases and you get more consistently sunny days. Locals often consider this the real summer. Crowds start thinning out after Labor Day, making it a sweet spot for visiting.
October
October maintains surprisingly warm weather while crowds continue to thin out. The dry season persists, and you'll enjoy sunny days with comfortable temperatures—many consider this one of the best months to visit. Evenings start cooling down noticeably, so layers become more useful.
November
November marks the transition toward winter with cooling temperatures and the return of occasional rain. The landscape starts its shift from golden-dry to green as the rainy season begins, though rainfall is still quite light. It's a quiet time with fewer tourists and pleasant, if cooler, weather.
December
December brings the coolest temperatures and occasional rain, though it's still mild compared to most winter destinations. The holiday season brings some local activity, but tourist numbers remain low. You'll definitely want layers and a light rain jacket, but heavy winter gear isn't necessary.