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Best time to visit Temecula, CA, USA

Our verdict

The best time to visit Temecula is September

Based on all the essential things any traveller needs to know about visiting Temecula such as the cost of travel, weather, peak travel seasons and many more, September is the best time of year to go.

The very hottest temperatures in Temecula get to around 32℃ (90℉) in the height of summer. The weather at night in the winter, which is around December-time, can get down to a minimum of 4℃ (39℉).

The sun stays up the longest in Temecula in July, so you’ll get the most out of your daytime activities if you visit around this time. To stay dry, avoid travelling to Temecula in December – It’s the wettest month of the year.

To learn everything you need to know (and none of the stuff you don’t) about when to visit Temecula, keep reading below. Plus, you’ll find tools to help you get the best deals on travel and hotels too!

Warmest month

August

Least rainfall

June

Most daylight

July

Temecula seasons

Before you continue, it’s important to know when the seasons are in Temecula as they might be different to yours depending on where in the world you’re travelling from. Temecula is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Temecula

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Temecula for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Temecula climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Temecula for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Temecula in January

  • Average temperature: 12℃ (53℉)
  • Average high temperature: 18℃ (64℉)
  • Average low temperature: 7℃ (44℉)
  • Average humidity: 55%
  • Average sunny days: 24 days
  • Average rainfall: 32mm (1") over 6 days
24 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Temecula in January, make sure you pack a warm jacket or coat.


Temecula in February

  • Average temperature: 11℃ (52℉)
  • Average high temperature: 18℃ (64℉)
  • Average low temperature: 6℃ (43℉)
  • Average humidity: 61%
  • Average sunny days: 21 days
  • Average rainfall: 42mm (2") over 7 days
21 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to Temecula in February, make sure you pack a warm jacket or coat.


Temecula in March

  • Average temperature: 13℃ (55℉)
  • Average high temperature: 19℃ (67℉)
  • Average low temperature: 7℃ (45℉)
  • Average humidity: 63%
  • Average sunny days: 21 days
  • Average rainfall: 26mm (1") over 8 days
21 days
of pure sunshine
8 days
of showers or rain

What to pack: If you’re heading to Temecula in March, make sure you pack a warm jacket or coat.


Temecula in April

  • Average temperature: 15℃ (58℉)
  • Average high temperature: 21℃ (71℉)
  • Average low temperature: 9℃ (47℉)
  • Average humidity: 62%
  • Average sunny days: 23 days
  • Average rainfall: 19mm (1") over 6 days
23 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Temecula in April, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Temecula in May

  • Average temperature: 16℃ (61℉)
  • Average high temperature: 23℃ (74℉)
  • Average low temperature: 10℃ (51℉)
  • Average humidity: 65%
  • Average sunny days: 24 days
  • Average rainfall: 10mm (0") over 5 days
24 days
of pure sunshine
5 days
of showers or rain

What to pack: If you’re heading to Temecula in May, make sure you pack a coat or jumper for the evenings, and t-shirts and light gear for the daytime.


Temecula in June

  • Average temperature: 19℃ (67℉)
  • Average high temperature: 27℃ (81℉)
  • Average low temperature: 12℃ (54℉)
  • Average humidity: 60%
  • Average sunny days: 27 days
  • Average rainfall: 1mm (0") over 1 days
27 days
of pure sunshine
1 days
of showers or rain

What to pack: If you’re heading to Temecula in June, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Temecula in July

  • Average temperature: 23℃ (73℉)
  • Average high temperature: 30℃ (86℉)
  • Average low temperature: 16℃ (61℉)
  • Average humidity: 56%
  • Average sunny days: 22 days
  • Average rainfall: 14mm (1") over 5 days
22 days
of pure sunshine
5 days
of showers or rain

What to pack: If you’re heading to Temecula in July, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Temecula in August

  • Average temperature: 23℃ (74℉)
  • Average high temperature: 31℃ (87℉)
  • Average low temperature: 17℃ (62℉)
  • Average humidity: 53%
  • Average sunny days: 25 days
  • Average rainfall: 11mm (0") over 4 days
25 days
of pure sunshine
4 days
of showers or rain

What to pack: If you’re heading to Temecula in August, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Temecula in September

  • Average temperature: 22℃ (72℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 16℃ (61℉)
  • Average humidity: 54%
  • Average sunny days: 24 days
  • Average rainfall: 7mm (0") over 4 days
24 days
of pure sunshine
4 days
of showers or rain

What to pack: If you’re heading to Temecula in September, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.

Temecula in October

  • Average temperature: 19℃ (65℉)
  • Average high temperature: 25℃ (78℉)
  • Average low temperature: 13℃ (55℉)
  • Average humidity: 55%
  • Average sunny days: 26 days
  • Average rainfall: 9mm (0") over 4 days
26 days
of pure sunshine
4 days
of showers or rain

What to pack: If you’re heading to Temecula in October, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Temecula in November

  • Average temperature: 15℃ (58℉)
  • Average high temperature: 21℃ (70℉)
  • Average low temperature: 9℃ (49℉)
  • Average humidity: 52%
  • Average sunny days: 24 days
  • Average rainfall: 23mm (1") over 4 days
24 days
of pure sunshine
4 days
of showers or rain

What to pack: If you’re heading to Temecula in November, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.


Temecula in December

  • Average temperature: 11℃ (51℉)
  • Average high temperature: 17℃ (62℉)
  • Average low temperature: 6℃ (43℉)
  • Average humidity: 58%
  • Average sunny days: 23 days
  • Average rainfall: 46mm (2") over 7 days
23 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to Temecula in December, make sure you pack a warm jacket or coat.


Top FAQs

The hottest month of the year in Temecula is usually August, where temperatures tend to rise to around 31℃ (87℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Temecula is generally around June. The dry season often coincides with cooler weather, so you should check the temperatures in June first to make sure it’s still a good time to go.
The rainiest time of year in Temecula is generally around December, although the wetter season can sometimes extend a few months either side of December too.
If you want to get the most out of your time visiting Temecula, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Temecula map