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When is the Best Time to Explore California?

If you're curious when is the best time of year to explore California, you might find this info about seasonal weather helpful when planning your trip. The warmest months in California are typically September and August, whereas the coldest months are usually January and December. The months with the most rain are May and April, whereas January and December 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 18°C and at night it is 10°C. Seasonal average rainfall is 294 mm.
• If you visit between April and June, you can expect an average temp of 18°C during the day and 11°C at night. Average rainfall during this season is 819 mm.
• The daytime average temp from July to September is 19°C and the night-time average is 11°C. Average precipitation for this season is 414 mm.
• Between October and December, the average temp during the day is 18°C and 10°C at night. Seasonal average rain is 550 mm.
• Average annual rainfall in California is 2077 mm.