Los Angeles, CA climate: monthly averages and frost dates
Los Angeles, CA has mild winters and mild summers by this site's scale, with semi-arid annual precipitation. The figures are the 1991–2020 climate normals for NOAA station USW00023174 (LOS ANGELES INTL AP), 6 mi (9 km) in a straight line from the city's center point (US Census).
- Warmest month high
- 76.7°F
- August
- Coldest month mean
- 57.6°F
- December
- Precipitation
- 12.2 in
- per year
- Snowfall
- no data
- per year
- 32°F nights
- 0.0
- per year
Monthly averages in Los Angeles
| Month | High °F | Low °F | Mean °F | Precip. in | Snow in | Days ≥0.01 in | Days ≥90°F | Nights ≤32°F |
|---|---|---|---|---|---|---|---|---|
| January | 66.3 | 49.4 | 57.9 | 2.86 | – | 6.1 | 0.0 | 0.0 |
| February | 65.6 | 50.1 | 57.9 | 2.99 | – | 6.3 | 0.0 | 0.0 |
| March | 66.1 | 52.2 | 59.1 | 1.73 | – | 5.6 | 0.0 | 0.0 |
| April | 68.1 | 54.2 | 61.1 | 0.60 | – | 2.6 | 0.3 | 0.0 |
| May | 69.5 | 57.6 | 63.6 | 0.28 | – | 1.7 | 0.3 | 0.0 |
| June | 72.0 | 60.9 | 66.4 | 0.08 | – | 0.5 | 0.1 | 0.0 |
| July | 75.1 | 64.0 | 69.6 | 0.04 | – | 0.5 | 0.1 | 0.0 |
| August | 76.7 | 64.8 | 70.7 | 0.00 | – | 0.1 | 0.5 | 0.0 |
| September | 76.5 | 63.7 | 70.1 | 0.11 | – | 0.5 | 0.9 | 0.0 |
| October | 74.4 | 59.8 | 67.1 | 0.49 | – | 2.0 | 1.8 | 0.0 |
| November | 70.9 | 53.7 | 62.3 | 0.82 | – | 3.2 | 0.7 | 0.0 |
| December | 66.1 | 49.1 | 57.6 | 2.23 | – | 5.4 | 0.0 | 0.0 |
| Year | 70.6 | 56.6 | 63.6 | 12.23 | – | 34.5 | 4.8 | 0.0 |
How cold is winter in Los Angeles?
Winters in Los Angeles are mild by this site's scale (coldest-month mean 45 to under 60°F). The coldest month is December, with a mean temperature of 57.6°F (14.2°C), a normal daily high of 66.1°F (18.9°C) and a normal daily low of 49.1°F (9.5°C).
Nights at or below 32°F are almost unknown here: the normal count rounds to 0.0 a year.
How hot is summer in Los Angeles?
Summers in Los Angeles are mild by this site's scale (hottest-month high 70 to under 80°F). August has the highest normal daily high, 76.7°F (24.8°C), with nights averaging 64.8°F (18.2°C).
The high reaches 90°F or more on 4.8 days in a normal year.
What is the wettest month in Los Angeles?
Los Angeles gets 12.23 in (311 mm) of precipitation in a normal year, which this site classes as semi-arid (10 to under 20 in a year). The wettest month is February with 2.99 in (76 mm); the driest is August with less than 0.005 in, which NOAA rounds to 0.00.
Measurable precipitation (0.01 in or more) falls on 34.5 days a year.
Does it snow in Los Angeles?
NOAA publishes no snowfall normal for station USW00023174, so this page gives no snow figures for Los Angeles.
Which months are mild in Los Angeles?
12 months in Los Angeles meet this site's comfort thresholds (normal high 65–85°F, low 45°F or higher, fewer than 10 days with 0.10 in or more of precipitation): every month of the year.
Thresholds and their limits: methodology.
Frost dates and growing season in Los Angeles
Los Angeles's station has no night at or below 32°F in a typical year: NOAA's median freeze-free season is 365 days and the normal count of such nights is 0.0 a year. NOAA publishes no 32°F frost dates here because too few years had one.
NOAA gives a 0% chance of a 32°F night in every month.
| Threshold | Median last date (spring) | Median first date (autumn or winter) | Median season, days |
|---|---|---|---|
| 36°F | No such night in a typical year (NOAA publishes no dates) | ||
| 32°F | No such night in a typical year (NOAA publishes no dates) | ||
| 28°F | No such night in a typical year (NOAA publishes no dates) | ||
| 24°F | No such night in a typical year (NOAA publishes no dates) | ||
| 20°F | No such night in a typical year (NOAA publishes no dates) | ||
| 16°F | No such night in a typical year (NOAA publishes no dates) | ||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
Nearby and similar places
Of the places on this site, the closest to Los Angeles by station distance are San Diego, CA at 108 mi (175 km), Las Vegas, NV at 235 mi (378 km) and San Francisco, CA at 338 mi (544 km).
Among places whose winter, summer and precipitation words are each within one band of Los Angeles's (winter: mild, summer: mild, precipitation: semi-arid), the closest monthly temperature and precipitation patterns are San Diego, CA, San Francisco, CA and Honolulu, HI.
Compared with San Diego, CA, Los Angeles's peak-month normal high is 0.6°F (0.3°C) lower, its coldest-month mean is 0.3°F (0.2°C) lower, and its annual precipitation is 2.44 in more.
| Place | Listed as | Station distance | Coldest mean °F | Warmest high °F | Precip. in/yr | Snow in/yr | Last frost |
|---|---|---|---|---|---|---|---|
| Los Angeles, CA | this page | – | 57.6 | 76.7 | 12.2 | – | no freeze |
| San Diego, CA | nearby, similar | 108 mi (175 km) | 57.9 | 77.3 | 9.8 | – | no freeze |
| Las Vegas, NV | nearby | 235 mi (378 km) | 48.2 | 104.5 | 4.2 | 0.2 | January 20 |
| San Francisco, CA | nearby, similar | 338 mi (544 km) | 51.3 | 74.8 | 19.6 | – | rare freeze |
| Honolulu, HI | similar | 2,554 mi (4,110 km) | 73.6 | 88.8 | 16.4 | – | no freeze |
How nearby and similar places are chosen: methodology.
Source and station
The data for Los Angeles come from NOAA station LOS ANGELES INTL AP, CA US (USW00023174) at 33.9381, -118.3889, elevation 97 ft (30 m). It lies 6 mi (9 km) in a straight line from the center point of Los Angeles city, the “internal point” in the US Census 2024 Gazetteer.
Each monthly normal used here rests on at least 26 years of data from 1991–2020 (NOAA's per-field year counts).
NOAA publishes no value for 2 of the monthly fields at this station; they are shown as “no data”.
NOAA completeness flags on the monthly fields used here:
- S: Standard: meets WMO standards for data availability for 24 or more years.
Cite the data as:
Palecki, Michael; Durre, Imke; Applequist, Scott; Arguez, Anthony; Lawrimore, Jay (2021). U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). Station USW00023174 (LOS ANGELES INTL AP, CA US). NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/wck8-er13. Accessed 2026-10-09.
Palecki, Michael; Durre, Imke; Applequist, Scott; Arguez, Anthony; Lawrimore, Jay (2021). U.S. Climate Normals 2020: U.S. Annual/Seasonal Climate Normals (1991-2020). Station USW00023174 (LOS ANGELES INTL AP, CA US). NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/4ek7-fk11. Accessed 2026-10-09.
Files used: monthly normals CSV, annual/seasonal normals CSV (retrieved 2026-10-09). The values on this page as JSON: /us/ca/los-angeles/data.json.