Best Time to Visit San Diego

Temperatures, Precipitation, Sunshine

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day Temperature	19°	19°	19°	20°	21°	22°	25°	25°	25°	24°	21°	19°
Night Temperature	9°	10°	12°	13°	15°	17°	19°	20°	19°	16°	12°	9°
Water Temperature	15°	15°	16°	17°	17°	19°	21°	21°	20°	19°	18°	16°
Precipitation (inch)	1.81	1.54	1.77	0.79	0.2	0.08	0.04	0.12	0.24	0.35	1.46	1.57
Hours of Sunshine	8	8	8	9	8	8	10	10	8	8	8	8

The annual average temperature is 17.9 °C.

For comparison: London 11 °C, NYC 12 °C, LA 17.9 °C

Warmest month: August (22.5 °C)
Coldest month: January (14 °C)

The maximum water temperature is 21 °C. You can take a bath at these temperatures.

Months with water temperature of at least 17 °C (Limited bathing is possible):
all except January, February, March, and December

Months with water temperature of at least 21 °C (adequate for beach vacation):
July, and August

Overall annual precipitation: 9.96 inch

For comparison: London 24.06 in, NYC 41.57 in, LA 12.01 in

There is no rainy season (months with more than 6.9 in of precipitation).

You cannot expect snow in any month.

As our climate table shows, July is the sunniest month with an average of 10 hours of sunshine per day. Over the year, there are 8.4 hours of sunshine per day on average. For comparison: London has 4.1, NYC has 7 and LA has 8.9 hours of sunshine per day on average.