The best times to visit Temecula Valley Wine Country for ideal weather are

April 16th to November 4th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Temecula Valley Wine Country Travel Info

Weather in Temecula Valley Wine Country

Temperature

Average temperatures in Temecula Valley Wine Country vary somewhat. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a very low chance of rain or snow throughout the year. The area is more temperate than most — in the 67th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Temecula Valley Wine Country, the hottest months are August, September, and then July. See average monthly temperatures below. The warmest time of year is generally late August to early September where highs are regularly around 86.3°F (30.2°C) with temperatures rarely dropping below 60.6°F (15.9°C) at night.

Temecula Valley Wine Country Temperatures (Fahrenheit)

Key
High
Average
Low

Temecula Valley Wine Country Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Temecula Valley Wine Country Perceived Temperature (F)

Key
High
Average
Low

Temecula Valley Wine Country Perceived Temperature (C)

Key
High
Average
Low

 

Average Temecula Valley Wine Country Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 69.7 52.4 37.9
Feb 67.6 53 39.9
Mar 70.4 56.4 43.8
Apr 71.8 59 46.6
May 73.1 62.4 52.3
Jun 75.3 65.4 57
Jul 79.2 69 60.3
Aug 82 70.5 60.4
Sep 83.1 69.7 58.1
Oct 79.2 64.4 50.9
Nov 73.9 57.1 42.6
Dec 66.6 51.6 38.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 20.9 11.3 3.3
Feb 19.8 11.7 4.4
Mar 21.3 13.6 6.6
Apr 22.1 15 8.1
May 22.8 16.9 11.3
Jun 24.1 18.6 13.9
Jul 26.2 20.6 15.7
Aug 27.8 21.4 15.8
Sep 28.4 20.9 14.5
Oct 26.2 18 10.5
Nov 23.3 13.9 5.9
Dec 19.2 10.9 3.8

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Temecula Valley Wine Country are June, September, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early May. For example, on the week of April 30th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 2 days of significant precipitation the week of December 17th.

When can you find snow in Temecula Valley Wine Country? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Temecula Valley Wine Country.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Temecula Valley Wine Country (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 10% 0 1.3
Feb 13% 0 2
Mar 7% 0 1.4
Apr 6% 0 0.7
May 4% 0 0.5
Jun 0% 0 0
Jul 1% 0 0.2
Aug 2% 0 0.2
Sep 0% 0 0.1
Oct 5% 0 0.7
Nov 8% 0 1
Dec 16% 0 3.3

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 10 0 3.3
Feb 13 0 5.1
Mar 7 0 3.6
Apr 6 0 1.8
May 4 0 1.3
Jun 0 0 0
Jul 1 0 0.5
Aug 2 0 0.5
Sep 0 0 0.3
Oct 5 0 1.8
Nov 8 0 2.5
Dec 16 0 8.4

 

Humidity and Wind

Temecula Valley Wine Country has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is January (49.5% relative humidity), and the most humid month is July (64.7%).

Wind in Temecula Valley Wine Country is usually extremely calm. The windiest month is May, followed by June and July. May’s average wind speed of around 3.8 knots (4.4 MPH or 7.1 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid May where average top sustained speeds reach 10.6 knots, which is considered a gentle breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Temecula Valley Wine Country.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 2.6 Barely noticeable 9.2 Gentle breeze
Feb 2.9 Barely noticeable 9.9 Gentle breeze
Mar 3.2 Barely noticeable 9.6 Gentle breeze
Apr 3.6 Barely noticeable 10.2 Gentle breeze
May 3.8 Barely noticeable 10.3 Gentle breeze
Jun 3.8 Barely noticeable 10 Gentle breeze
Jul 3.7 Barely noticeable 10.1 Gentle breeze
Aug 3.6 Barely noticeable 10.1 Gentle breeze
Sep 3.5 Barely noticeable 10.1 Gentle breeze
Oct 3.1 Barely noticeable 9.5 Gentle breeze
Nov 2.6 Barely noticeable 8.6 Gentle breeze
Dec 2.7 Barely noticeable 8.8 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 49.5%
Feb 58.9%
Mar 58%
Apr 55.7%
May 59.5%
Jun 63.5%
Jul 64.7%
Aug 61.3%
Sep 59.7%
Oct 55.6%
Nov 52%
Dec 57.6%

 

Is it Safe to Travel to Temecula Valley Wine Country?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Dec 04, 2023.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Temecula Valley Wine Country, CA, US is August, followed by June and May. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Temecula Valley Wine Country in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 63.8 in November means 63.8% of the tourists vs. August.

 

 

Overall Temecula Valley Wine Country Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 75.5°F (24.2°C) and 67.9°F (19.9°C) with warmer temperatures in the later months. Rain is rare with 1 to 2 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with 0 to 1 days of precipitation per month. June – August is the busiest season for tourism in Temecula Valley Wine Country, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 84.9°F (29.4°C) and 71.1°F (21.7°C), which will feel comfortable given the humidity and wind. It rains or snows a normal amount: 0 to 2 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Temecula Valley Wine Country to be enjoyable for warm weather travelers. The average high during this season is between 71.7°F (22.1°C) and 65.2°F (18.4°C). On average, it rains or snows a fair amount: 3 to 5 times per month. These times of year are fairly slow with tourists.

 

Best Times to Travel› the United States › Temecula Valley Wine Country, CA, US