The best time to visit San Francisco
Month-by-month climate averages for San Francisco, CA, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit San Francisco is usually May, June, July and August, when daytime highs sit in the pleasant 60-78°F range and the heaviest January rain is behind you.
San Francisco is warmest in October (highs near 73°F) and coldest in February (lows around 45°F), with roughly 33 inches of precipitation across the year and January the wettest month. The sweet spot for most visitors is May, June, July and August.
These are long-run averages. For the actual days you are travelling, check the live San Francisco forecast — and note how much the models agree, because that tells you how much to trust it.
San Francisco weather by month
what to expect in San Francisco through the yearHere is San Francisco's typical weather in each month: the average daytime high and overnight low in °F, how each month feels, and the wettest month marked. Use it to plan any trip to San Francisco by season.