When to go · Vacaville
Vacaville in July
Avoid month. Listed as a month to avoid: Jul–Aug (inland heat, often 35 °C+), winter tule fog on I-80.Avoid month. Listed as a month to avoid: Jul–Aug (inland heat, often 95 °F+), winter tule fog on I-80.
Key facts
- Verdict
- Avoid
- Temperature
- 34°C93°F / 15°C59°F
- average high / low
- Rain days
- 0
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Listed as a month to avoid: Jul–Aug (inland heat, often 35 °C+), winter tule fog on I-80.Listed as a month to avoid: Jul–Aug (inland heat, often 95 °F+), winter tule fog on I-80.
Weather in July
- VacavilleHighs around 34 °C, lows around 15 °C, rain on about 0 daysHighs around 93 °F, lows around 59 °F, rain on about 0 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.
Independence Day big impact
4 Jul · United States
Fireworks and parades; parks, beaches and flights busy.
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Peak season: parks full, 4 July crowds, 40 °C+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.
High-price month: see what to book ahead.
What to pack
- Light, breathable clothes, a sun hat and sunscreen