When to go · San Dimas
San Dimas in January
Avoid month. Listed as a month to avoid: Dec–Feb (waterpark closed, cool weather).
Key facts
- Verdict
- Avoid
- Temperature
- 19°C (66°F)66°F (19°C) / 7°C (45°F)45°F (7°C)
- average high / low
- Rain days
- 6
- Crowds
- Low
- United States overall
- Prices
- Low
- United States overall
Verdict
Listed as a month to avoid: Dec–Feb (waterpark closed, cool weather).
Is another month better than January?
January is rated avoid. These months rate higher:
Weather in January
- San DimasHighs around 19 °C (66 °F), lows around 7 °C (45 °F), rain on about 6 daysHighs around 66 °F (19 °C), lows around 45 °F (7 °C), rain on about 6 days
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.
Compare two months
Weather, crowds and prices for any two months in San Dimas, side by side.
Verdict
Jan: Avoid
Jun: Great (better)
Daytime high
Jan: 19 °C (66 °F)66 °F (19 °C)
Jun: 29 °C (84 °F)84 °F (29 °C)
Night low
Jan: 7 °C (45 °F)45 °F (7 °C)
Jun: 16 °C (61 °F)61 °F (16 °C)
Rain days
Jan: 6
Jun: 1 (better)
Crowds
Jan: Low
Jun: High
Prices
Jan: Low
Jun: High
Festivals listed
Jan: 0
Jun: 0
January: Listed as a month to avoid: Dec–Feb (waterpark closed, cool weather).
June: Inside San Dimas's best window: Jun–Sep (waterpark season).
San Dimas: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings