San Diego in Spring — Weather & What to Expect
Spring in San Diego (March, April, May) averages daytime highs of 18.9°C and lows of 12.1°C, with around 116.9mm of rain across the season (15 rainy days in total). It includes some of the best months of the year to visit (March, April, May).
In the northern hemisphere, spring in San Diego covers March, April, May.
Spring in San Diego month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| March | 17.2°C | 9.7°C | 81.3mm | 10 | 10/10 |
| April | 19.2°C | 12.2°C | 30.3mm | 3 | 10/10 |
| May | 20.3°C | 14.3°C | 5.3mm | 2 | 10/10 |
What to pack for San Diego in spring
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
- Light waterproof layer
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
Frequently Asked Questions
Is spring a good time to visit San Diego?
Spring in San Diego rates around 10/10 — excellent time to visit. Average highs are 18.9°C with 116.9mm of rain across the season.
How hot is San Diego in spring?
Daytime highs average 18.9°C (66.0°F) across March, April, May, with nights around 12.1°C.
What months are spring in San Diego?
San Diego is in the northern hemisphere, so spring covers March, April, May.
See also: best time to visit San Diego · San Diego annual climate · San Diego in summer · San Diego in autumn · San Diego in winter
Compare Hertz, Avis, Budget, Sixt and 800+ rental companies — book now, pay at pickup.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youAs an Amazon Associate we earn from qualifying purchases. We also earn commission from other retail partners. Links below are affiliate links.
Once you know what spring in San Diego looks like, find out exactly what to pack for San Diego at 247PackingList. For currency, language and country facts, see the United States guide at 247CountryInfo.
Spring in San Diego — what to pack
Hot-weather travel clothing
Sun protection, lightweight layers and a reusable water bottle are essential here.
Check Price →Check clothing sizes in United States at 247Sizing before you shop.
More spring travel essentials
Last updated:
Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.