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When to go · Simi Valley

Simi Valley in October

Great month. Inside Simi Valley's best window: Mar–May, Oct–Nov.

Key facts

Verdict
Great
Temperature
29°C (84°F) / 9°C (48°F)
average high / low
Rain days
1
Crowds
Medium
United States overall
Prices
Medium
United States overall

Verdict

GreatBest and avoid months for Simi Valley

Inside Simi Valley's best window: Mar–May, Oct–Nov.

Is another month better than October?

No other month rates higher than October for Simi Valley in this guide.

Weather in October

Long-term averages
  • Simi ValleyHighs around 29 °C (84 °F), lows around 9 °C (48 °F), rain on about 1 day

Crowds and prices

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

United States overall: Best all-round month: New England foliage, desert parks, cooler cities. High roads start closing late in the month.

Compare two months

Weather, crowds and prices for any two months in Simi Valley, side by side.

  • Verdict

    Oct: Great

    Mar: Great

  • Daytime high

    Oct: 29 °C (84 °F)

    Mar: 23 °C (73 °F)

  • Night low

    Oct: 9 °C (48 °F)

    Mar: 6 °C (43 °F)

  • Rain days

    Oct: 1 (better)

    Mar: 5

  • Crowds

    Oct: Medium

    Mar: Medium

  • Prices

    Oct: Medium

    Mar: Medium

  • Festivals listed

    Oct: 0

    Mar: 2

October: Inside Simi Valley's best window: Mar–May, Oct–Nov.

March: Inside Simi Valley's best window: Mar–May, Oct–Nov.

Simi Valley: 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 October →