When to go · Irvine
Irvine in December
Avoid month. Listed as a month to avoid: Jul–Sep (inland heat, 30°C (86°F)+), Thanksgiving and late December (Disneyland crowds, hotel rates).Avoid month. Listed as a month to avoid: Jul–Sep (inland heat, 86°F (30°C)+), Thanksgiving and late December (Disneyland crowds, hotel rates).
Key facts
- Verdict
- Avoid
- Temperature
- 20°C (68°F)68°F (20°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 5
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Listed as a month to avoid: Jul–Sep (inland heat, 30°C (86°F)+), Thanksgiving and late December (Disneyland crowds, hotel rates).Listed as a month to avoid: Jul–Sep (inland heat, 86°F (30°C)+), Thanksgiving and late December (Disneyland crowds, hotel rates).
Is another month better than December?
December is rated avoid. These months rate higher:
Weather in December
- IrvineHighs around 20 °C (68 °F), lows around 9 °C (48 °F), rain on about 5 daysHighs around 68 °F (20 °C), lows around 48 °F (9 °C), rain on about 5 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.
Christmas Day big impact
25 Dec · United States
Most businesses closed; flights full from about 20 Dec to 2 Jan.
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Irvine, side by side.
Verdict
Dec: Avoid
Mar: Great (better)
Daytime high
Dec: 20 °C (68 °F)68 °F (20 °C)
Mar: 23 °C (73 °F)73 °F (23 °C)
Night low
Dec: 9 °C (48 °F)48 °F (9 °C)
Mar: 10 °C (50 °F)50 °F (10 °C)
Rain days
Dec: 5
Mar: 5
Crowds
Dec: High
Mar: Medium
Prices
Dec: High
Mar: Medium
Festivals listed
Dec: 1
Mar: 2
December: Listed as a month to avoid: Jul–Sep (inland heat, 30°C+), Thanksgiving and late December (Disneyland crowds, hotel rates).
March: Inside Irvine's best window: Mar–May, Sep–Nov.
Irvine: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings