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When to go · San Dimas

San Dimas in April

Good month. Outside the best window (Jun–Sep (waterpark season)). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.

Key facts

Verdict
Good
Temperature
23°C (73°F) / 11°C (52°F)
average high / low
Rain days
3
Crowds
Medium
United States overall
Prices
Medium
United States overall

Verdict

GoodUnited States month rating

Outside the best window (Jun–Sep (waterpark season)). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.

Is another month better than April?

April is rated good. These months rate higher:

Weather in April

Long-term averages
  • San DimasHighs around 23 °C (73 °F), lows around 11 °C (52 °F), rain on about 3 days

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

  • Spring break big impact

    March–April · United States

    Students fill Florida, Texas and Mexico beaches; parks busy.

Crowds and prices

Crowds · United States overall
Medium
Prices · United States overall
Medium

United States overall: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.

Compare two months

Weather, crowds and prices for any two months in San Dimas, side by side.

  • Verdict

    Apr: Good

    Jun: Great (better)

  • Daytime high

    Apr: 23 °C (73 °F)

    Jun: 29 °C (84 °F)

  • Night low

    Apr: 11 °C (52 °F)

    Jun: 16 °C (61 °F)

  • Rain days

    Apr: 3

    Jun: 1 (better)

  • Crowds

    Apr: Medium

    Jun: High

  • Prices

    Apr: Medium

    Jun: High

  • Festivals listed

    Apr: 1

    Jun: 0

April: Outside the best window (Jun–Sep (waterpark season)). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.

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

Build the full packing list for your trip →

Across United States in April →