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When is the Best Time to Explore San Francisco?

If you're wondering when is the best time of year to explore San Francisco, you may find this information about seasonal weather helpful when planning your trip. The warmest months in San Francisco are typically November and December, whereas the coldest months are usually July and June. The months with the most rain are February and December, whereas July and June have the least.

Here's an overview on how much rain you can expect and what the temperatures are going to be like:

• From January to March, the average daytime temperature is 12°C and at night it is 2°C. Seasonal average rainfall is 709 mm.
• If you visit between April and June, you can expect an average temp of 11°C during the day and -1°C at night. Average rainfall during this season is 245 mm.
• The daytime average temp from July to September is 11°C and the night-time average is -2°C. Average precipitation for this season is 179 mm.
• Between October and December, the average temp during the day is 12°C and 1°C at night. Seasonal average rain is 558 mm.
• The average annual rainfall in San Francisco is 1692 mm.