Temecula, CA Weather

Temecula has a warm Mediterranean climate . August is typically the hottest month of the year with December being the coldest month. Most precipitation occurs from November to March with February being the wettest month. Winter storms generally bring moderate precipitation, but strong winter storms are not uncommon especially during “El Niño” years. The driest month is June. Annual precipitation is 14.14 inches. Morning marine layer is common during May and June. From July to September, Temecula experiences hot, dry weather with the occasional North American monsoonal flow that increases the humidity and brings isolated thunderstorms. Most of the storms tend to be short-lived with little rainfall. During late fall into winter, Temecula experiences dry, windy northeastern Santa Ana winds. Snowfall is rare, but Temecula has experienced traces of snowfall on occasion, some as recently as December 2014. A rare F1 tornado touched down in a Temecula neighborhood on February 19, 2005.

Average Temperature
Jan
61 °F
16 °C
Feb
55 °F
13 °C
Mar
63 °F
17 °C
Apr
70 °F
21 °C
May
64 °F
18 °C
Jun
73 °F
23 °C
Jul
84 °F
29 °C
Aug
88 °F
31 °C
Sep
83 °F
29 °C
Oct
79 °F
26 °C
Nov
73 °F
23 °C
Dec
61 °F
16 °C
Humidity
Jan
57%
Feb
73%
Mar
74%
Apr
65%
May
77%
Jun
80%
Jul
62%
Aug
55%
Sep
56%
Oct
38%
Nov
43%
Dec
68%
Rain
Jan
55mm
Feb
117mm
Mar
33mm
Apr
7mm
May
31mm
Jun
5mm
Jul
7mm
Aug
4mm
Sep
7mm
Oct
2mm
Nov
51mm
Dec
43mm
Clouds
Jan
35%
Feb
48%
Mar
46%
Apr
26%
May
50%
Jun
31%
Jul
16%
Aug
7%
Sep
11%
Oct
1%
Nov
10%
Dec
46%
Air quality US AQI
Jan
24
Feb
25
Mar
26
Apr
38
May
36
Jun
43
Jul
47
Aug
42
Sep
33
Oct
32
Nov
27
Dec
25
Sun
Jan
4UVI
Feb
5UVI
Mar
7UVI
Apr
8UVI
May
7UVI
Jun
10UVI
Jul
11UVI
Aug
10UVI
Sep
9UVI
Oct
6UVI
Nov
4UVI
Dec
3UVI