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When is the Best Time to Explore San Diego?

If you're curious when is the best time of year to explore San Diego, you might find this info about seasonal weather useful when you are planning your trip. The warmest months in San Diego are typically February and March, whereas the coldest months are usually January and October. The months with the most rain are October and May, whereas January and February have the least.

Here's a rundown 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 33°C and at night it is 19°C. Seasonal average rainfall is 128 mm.
• If you visit between April and June, you can expect an average temp of 31°C during the day and 20°C at night. Average rainfall during this season is 882 mm.
• The daytime average temp from July to September is 31°C and the night-time average is 20°C. Average precipitation for this season is 849 mm.
• Between October and December, the average temp during the day is 31°C and 19°C at night. Seasonal average rain is 717 mm.
• The average annual rainfall in San Diego is 2577 mm.