San Diego in April
Spring sunshine
By Daan · Last reviewed October 2026
The short answer
April is a reasonable month in San Diego — with trade-offs.
April is mild and sunny, a good month for the zoo, Balboa Park and coastal walks.
April in detail
What April actually feels like
- Weather
- 14–20°C
- Mild and mostly sunny.
- Crowds
- Moderate
- Prices
- $$
- Fair rates.
+Pleasant and mild.
–Water is still cold.
My tip for April
Visit the zoo on a weekday.
- Zoo
- Parks
How April compares
Against the other eleven months
4th of 12 overall in San Diego, 5th for weather, 5th for space, 5th for value. The emptiest month is January; the best value is November.
See all twelve months for San DiegoNot set on April?
Even stronger months in San Diego
Weather
Weather in San Diego in April
In April San Diego averages a high of 20°C (68°F) and a low of 14°C (57°F), with about 17 mm of rain or snow over 4 wet days. The warmest month is August (around 25°C) and the coolest is January (around 19°C); the wettest month is February.
- Average high
- 20°C
- 68°F
- Average low
- 14°C
- 57°F
- Precipitation
- 17 mm
- Wet days
- 4
Climate data: NOAA (San Diego International Airport, 1991–2020). Temperatures are averages of daily highs and lows.
Quick answers
San Diego in April: the questions people ask
- Is April a good time to visit San Diego?
- April is a reasonable month in San Diego — with trade-offs. It ranks 4 of 12 months in San Diego overall (5 for weather, 5 for space, 5 for value). The main upside: Pleasant and mild. The main downside: Water is still cold.
- What is the weather like in San Diego in April?
- Average highs are around 20°C and lows around 14°C. Expect about 17 mm of rain or snow over roughly 4 wet days. Mild and mostly sunny. For comparison, the warmest month is August (around 25°C) and the coolest is January (around 19°C).
- Is San Diego crowded in April?
- Crowds are moderate. Moderate. The quietest month is January.
- How expensive is San Diego in April?
- Prices are at level 2 of 5 ($$). Fair rates. The best-value month is November.
- When is the best time to visit San Diego?
- In the CrowdFreeViews month scores, October is the best month overall (April ranks 4 of 12). The quietest month is January and the best value is November.