Oceanside, CA Weather

Oceanside experiences a semi-arid climate that is significantly tempered by maritime winds and the cool currents off the shoreline. The average high temperatures range from 64 °F (18 °C) to 77 °F (23 °C), while the average low temperatures range from 45 °F (7 °C) to 64 °F (18 °C).

Average Temperature
Jan
61 °F
16 °C
Feb
57 °F
14 °C
Mar
61 °F
16 °C
Apr
64 °F
18 °C
May
64 °F
18 °C
Jun
68 °F
20 °C
Jul
72 °F
22 °C
Aug
73 °F
23 °C
Sep
75 °F
24 °C
Oct
72 °F
22 °C
Nov
66 °F
19 °C
Dec
61 °F
16 °C
Humidity
Jan
71%
Feb
69%
Mar
80%
Apr
78%
May
76%
Jun
83%
Jul
80%
Aug
82%
Sep
76%
Oct
68%
Nov
71%
Dec
76%
Rain
Jan
37mm
Feb
74mm
Mar
17mm
Apr
7mm
May
17mm
Jun
23mm
Jul
8mm
Aug
5mm
Sep
10mm
Oct
4mm
Nov
45mm
Dec
53mm
Clouds
Jan
29%
Feb
43%
Mar
39%
Apr
40%
May
55%
Jun
65%
Jul
43%
Aug
40%
Sep
26%
Oct
5%
Nov
26%
Dec
35%
Air quality US AQI
Jan
31
Feb
28
Mar
29
Apr
36
May
28
Jun
29
Jul
36
Aug
42
Sep
41
Oct
31
Nov
27
Dec
37
Sun
Jan
4UVI
Feb
5UVI
Mar
7UVI
Apr
8UVI
May
7UVI
Jun
7UVI
Jul
10UVI
Aug
9UVI
Sep
8UVI
Oct
6UVI
Nov
4UVI
Dec
3UVI