When to go · Simi Valley
Simi Valley in August
Avoid month. Listed as a month to avoid: Jul–Sep (inland heat, often 35 °C (95 °F)+), Thanksgiving, Christmas and New Year's Day at the Reagan Library.Avoid month. Listed as a month to avoid: Jul–Sep (inland heat, often 95 °F (35 °C)+), Thanksgiving, Christmas and New Year's Day at the Reagan Library.
Key facts
- Verdict
- Avoid
- Temperature
- 36°C (97°F)97°F (36°C) / 14°C (57°F)57°F (14°C)
- average high / low
- Rain days
- 0
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Listed as a month to avoid: Jul–Sep (inland heat, often 35 °C (95 °F)+), Thanksgiving, Christmas and New Year's Day at the Reagan Library.Listed as a month to avoid: Jul–Sep (inland heat, often 95 °F (35 °C)+), Thanksgiving, Christmas and New Year's Day at the Reagan Library.
Is another month better than August?
August is rated avoid. These months rate higher:
Weather in August
- Simi ValleyHighs around 36 °C (97 °F), lows around 14 °C (57 °F), rain on about 0 daysHighs around 97 °F (36 °C), lows around 57 °F (14 °C), rain on about 0 days
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Simi Valley, side by side.
Verdict
Aug: Avoid
Mar: Great (better)
Daytime high
Aug: 36 °C (97 °F)97 °F (36 °C)
Mar: 23 °C (73 °F)73 °F (23 °C)
Night low
Aug: 14 °C (57 °F)57 °F (14 °C)
Mar: 6 °C (43 °F)43 °F (6 °C)
Rain days
Aug: 0 (better)
Mar: 5
Crowds
Aug: High
Mar: Medium
Prices
Aug: High
Mar: Medium
Festivals listed
Aug: 0
Mar: 2
August: Listed as a month to avoid: Jul–Sep (inland heat, often 35 °C+), Thanksgiving, Christmas and New Year's Day at the Reagan Library.
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
- Light, breathable clothes, a sun hat and sunscreen