Cold steppe climate
Climate Oceanside - California
Annual high66ºF
Annual low54ºF
Precipitation10.32 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 63 | 45 | 2.02 |
| Feb | 62 | 46 | 2.28 |
| Mar | 62 | 49 | 1.50 |
| Apr | 63 | 52 | 0.96 |
| May | 65 | 56 | 0.13 |
| Jun | 67 | 60 | 0.10 |
| Jul | 70 | 63 | 0.01 |
| Aug | 71 | 64 | 0.04 |
| Sep | 71 | 62 | 0.22 |
| Oct | 69 | 56 | 0.64 |
| Nov | 66 | 49 | 0.84 |
| Dec | 63 | 45 | 1.58 |
- JanHigh 63ºFLow 45ºFPrecip 2.02 inch
- FebHigh 62ºFLow 46ºFPrecip 2.28 inch
- MarHigh 62ºFLow 49ºFPrecip 1.50 inch
- AprHigh 63ºFLow 52ºFPrecip 0.96 inch
- MayHigh 65ºFLow 56ºFPrecip 0.13 inch
- JunHigh 67ºFLow 60ºFPrecip 0.10 inch
- JulHigh 70ºFLow 63ºFPrecip 0.01 inch
- AugHigh 71ºFLow 64ºFPrecip 0.04 inch
- SepHigh 71ºFLow 62ºFPrecip 0.22 inch
- OctHigh 69ºFLow 56ºFPrecip 0.64 inch
- NovHigh 66ºFLow 49ºFPrecip 0.84 inch
- DecHigh 63ºFLow 45ºFPrecip 1.58 inch
Climate summary
What is the average weather in Oceanside, California?
Oceanside experiences a cold semi-arid climate, characterized by low annual precipitation. Summers are mild and very dry, with rainfall scarce. Winters are also mild, but bring the area's wetter period. The seasonal precipitation pattern is strong, with most moisture arriving in the cooler months.
Oceanside weather averages
Annual high66ºF
Annual low54ºF
Precipitation10.32 inch
Daily normals Oceanside - California - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 62.7 | 46.7 | 0.07 | 0.07 |
| Jan 2 | 62.7 | 46.7 | 0.15 | 0.15 |
| Jan 3 | 62.7 | 46.8 | 0.22 | 0.22 |
| Jan 4 | 62.7 | 46.8 | 0.30 | 0.30 |
| Jan 5 | 62.7 | 46.9 | 0.37 | 0.37 |
| Jan 6 | 62.8 | 46.9 | 0.44 | 0.44 |
| Jan 7 | 62.8 | 47.0 | 0.51 | 0.51 |
| Jan 8 | 62.8 | 47.0 | 0.59 | 0.59 |
| Jan 9 | 62.8 | 47.1 | 0.66 | 0.66 |
| Jan 10 | 62.8 | 47.1 | 0.74 | 0.74 |
| Jan 11 | 62.8 | 47.2 | 0.81 | 0.81 |
| Jan 12 | 62.8 | 47.2 | 0.89 | 0.89 |
| Jan 13 | 62.8 | 47.2 | 0.96 | 0.96 |
| Jan 14 | 62.8 | 47.3 | 1.03 | 1.03 |
| Jan 15 | 62.8 | 47.3 | 1.10 | 1.10 |
| Jan 16 | 62.8 | 47.3 | 1.17 | 1.17 |
| Jan 17 | 62.8 | 47.3 | 1.24 | 1.24 |
| Jan 18 | 62.8 | 47.3 | 1.31 | 1.31 |
| Jan 19 | 62.7 | 47.4 | 1.38 | 1.38 |
| Jan 20 | 62.7 | 47.4 | 1.46 | 1.46 |
| Jan 21 | 62.7 | 47.4 | 1.53 | 1.53 |
| Jan 22 | 62.7 | 47.4 | 1.60 | 1.60 |
| Jan 23 | 62.7 | 47.4 | 1.67 | 1.67 |
| Jan 24 | 62.7 | 47.4 | 1.74 | 1.74 |
| Jan 25 | 62.6 | 47.4 | 1.81 | 1.81 |
| Jan 26 | 62.6 | 47.4 | 1.88 | 1.88 |
| Jan 27 | 62.6 | 47.4 | 1.95 | 1.95 |
| Jan 28 | 62.5 | 47.4 | 2.02 | 2.02 |
| Jan 29 | 62.5 | 47.4 | 2.09 | 2.09 |
| Jan 30 | 62.5 | 47.4 | 2.15 | 2.15 |
| Jan 31 | 62.4 | 47.4 | 2.22 | 2.22 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Oceanside - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 75.0 | 64.9 | 0.00 |
| Sep 2 | 73.9 | 63.0 | 0.00 |
| Sep 3 | 75.0 | 60.1 | 0.00 |
| Sep 4 | 73.9 | 62.1 | 0.00 |
| Sep 5 | 77.0 | 60.1 | 0.00 |
| Sep 6 | 87.1 | 71.1 | 0.02 |
| Sep 7 | 93.0 | 71.1 | 0.00 |
| Sep 8 | 82.0 | 70.0 | 0.00 |
| Sep 9 | 84.9 | 71.1 | 0.00 |
| Sep 10 | 84.9 | 75.0 | 0.00 |
| Sep 11 | 80.1 | 72.0 | 0.00 |
| Sep 12 | 78.1 | 70.0 | 0.00 |
| Sep 13 | 77.0 | 70.0 | 0.00 |
| Sep 14 | 75.9 | 69.1 | 0.00 |
| Sep 15 | 75.9 | 69.1 | 0.00 |
| Sep 16 | 75.9 | 68.0 | 0.00 |
| Sep 17 | 75.0 | 68.0 | 0.00 |
| Sep 18 | 75.0 | 66.0 | 0.00 |
| Sep 19 | 75.0 | 66.0 | 0.00 |
| Sep 20 | 75.9 | 64.0 | 0.00 |
| Sep 21 | 75.0 | 70.0 | 0.00 |
| Sep 22 | 75.9 | 66.9 | 0.00 |
| Sep 23 | 73.9 | 63.0 | 0.00 |
| Sep 24 | 75.0 | 66.9 | 0.00 |
| Sep 25 | 75.9 | 66.0 | 0.00 |
| Sep 26 | 75.9 | 66.0 | 0.00 |
| Sep 27 | 77.0 | 68.0 | 0.00 |
| Sep 28 | 75.9 | 64.9 | 0.00 |
| Sep 29 | 75.9 | 60.1 | 0.00 |
| Sep 30 | 75.0 | 66.9 | 0.00 |
The data for September 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature93.0ºF · Sep 7
- Lowest max temperature73.9ºF · Sep 2
- Highest min temperature75.0ºF · Sep 10
- Lowest min temperature60.1ºF · Sep 3
Geo Oceanside - California
Location
- Country
- United States
- State
- California
- County
- –
- City
- Oceanside
- Zip Code
- 92054
- Elevation
- 69 ft
- Longitude
- -117.38
- Latitude
- 33.20
- ICAO
- –
- IATA
- –