Porterville, CA Weather

Porterville has a cool semi-arid climate that is close to both a mediterranean climate (Csa) and a hot semi-arid climate (BSh). It is characterized by sweltering and arid summers, and pleasant winters with frosty mornings and occasional heavy rainfall.

Average Temperature
Jan
59 °F
15 °C
Feb
55 °F
13 °C
Mar
63 °F
17 °C
Apr
72 °F
22 °C
May
73 °F
23 °C
Jun
90 °F
32 °C
Jul
93 °F
34 °C
Aug
95 °F
35 °C
Sep
90 °F
32 °C
Oct
77 °F
25 °C
Nov
72 °F
22 °C
Dec
57 °F
14 °C
Humidity
Jan
70%
Feb
67%
Mar
67%
Apr
58%
May
60%
Jun
43%
Jul
37%
Aug
39%
Sep
40%
Oct
34%
Nov
41%
Dec
72%
Rain
Jan
47mm
Feb
57mm
Mar
72mm
Apr
14mm
May
43mm
Jun
6mm
Jul
7mm
Aug
6mm
Sep
10mm
Oct
4mm
Nov
23mm
Dec
40mm
Clouds
Jan
43%
Feb
51%
Mar
39%
Apr
28%
May
28%
Jun
6%
Jul
2%
Aug
2%
Sep
6%
Oct
3%
Nov
7%
Dec
50%
Air quality US AQI
Jan
51
Feb
27
Mar
32
Apr
42
May
38
Jun
45
Jul
58
Aug
52
Sep
40
Oct
48
Nov
62
Dec
70
Sun
Jan
3UVI
Feb
4UVI
Mar
6UVI
Apr
7UVI
May
7UVI
Jun
9UVI
Jul
10UVI
Aug
10UVI
Sep
8UVI
Oct
5UVI
Nov
4UVI
Dec
2UVI