When to go · San Diego
San Diego in January
Mixed month. Outside the best window (Mar–May, Sep–Nov). Across United States: Cold and snowy north and in the mountains; Florida, Hawaii and the desert Southwest are the picks.
Key facts
- Verdict
- Mixed
- Temperature
- 19°C66°F / 10°C50°F
- average high / low
- Rain days
- 6
- Crowds
- Low
- United States overall
- Prices
- Low
- United States overall
Verdict
MixedUnited States month rating
Outside the best window (Mar–May, Sep–Nov). Across United States: Cold and snowy north and in the mountains; Florida, Hawaii and the desert Southwest are the picks.
Weather in January
- San DiegoHighs around 19 °C, lows around 10 °C, rain on about 6 daysHighs around 66 °F, lows around 50 °F, rain on about 6 days
- California coast, United States · San Francisco, Los Angeles, San Diego, Big Surfine
Mild all year; San Francisco is foggy and cool in summer; wildfire smoke possible June–November; winter storms can close Highway 1 at Big Sur.
Crowds and prices
- Crowds · United States overall
- Low
- Prices · United States overall
- Low
United States overall: Cold and snowy north and in the mountains; Florida, Hawaii and the desert Southwest are the picks.
What to pack
- A warm layer for the evenings