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Los Angeles vs Portland weather: climate comparison
Los Angeles is the warmer of the two, averaging 65°F (19°C) over the year against 54°F (12°C) in Portland. Portland is wetter, with 50.4 in (1280 mm) of precipitation a year to Los Angeles's 14.0 in (355 mm). Below: every month side by side, from 30 years of ERA5 data (1996–2025).
- Mean temperature
- 18.6°C Los Angeles
12.0°C Portland - Annual precipitation
- 355.0 mm Los Angeles
1279.7 mm Portland - Rainy days a year
- 32 Los Angeles
146 Portland - Sunshine per day
- 11.0 h Los Angeles
8.5 h Portland
Month by month
| Month | Los Angeles | Portland |
|---|---|---|
| January | 19.1°C | 8.1°C |
| February | 19.3°C | 9.5°C |
| March | 20.9°C | 12.0°C |
| April | 23.2°C | 14.8°C |
| May | 25.1°C | 18.6°C |
| June | 27.9°C | 22.2°C |
| July | 31.2°C | 27.6°C |
| August | 32.2°C | 27.9°C |
| September | 30.8°C | 23.9°C |
| October | 27.2°C | 16.8°C |
| November | 22.9°C | 11.0°C |
| December | 18.8°C | 7.7°C |
Year at a glance
| Measure | Los Angeles | Portland |
|---|---|---|
| Mean annual temperature | 18.6°C | 12.0°C |
| Warmest month (avg high) | Aug · 32°C | Aug · 28°C |
| Coldest month (avg low) | Dec · 7°C | Feb · 2°C |
| Annual range (warmest high − coldest low) | 25°C | 26°C |
| Annual precipitation | 355.0 mm | 1279.7 mm |
| Rainy days per year | 32 | 146 |
| Wettest / driest month | Feb / Jul | Dec / Jul |
| Average sunshine per day | 11.0 h | 8.5 h |
In short: Los Angeles is the warmest overall (18.6°C mean); Portland gets the most precipitation (1279.7 mm a year); Los Angeles is the sunniest (11.0 h a day on average); Los Angeles has the smallest swing between its warmest and coldest months.
Record high 1996–2025: Los Angeles 45.7°C (2024-09-06), Portland 46.0°C (2021-06-28). Record low: Los Angeles -1.9°C (2013-01-14), Portland -15.3°C (1996-02-02).
Source: Open-Meteo Historical Weather API (CC BY 4.0). Values are ERA5 reanalysis model data on a ~9–25 km grid, not readings from a weather station, so a single town’s thermometer can differ by a few degrees and local showers can be missed. Monthly means of daily ERA5 values, 1996–2025, for the grid cells nearest Los Angeles (34.06, -118.24) and Portland (45.52, -122.64).
Which months differ most?
The gap in average highs is widest in November, when Los Angeles runs 21°F / 12°C warmer, and narrowest in July (7°F / 4°C apart). The biggest rainfall difference is in November: Portland gets 6.1 in (156 mm) more on average.
Add a third or fourth city, or swap in any other place, in the full comparison tool. For one city in depth, see the Los Angeles climate and Portland climate pages.
Compare Los Angeles or Portland with another city
Questions people ask
Is Los Angeles warmer than Portland?
Los Angeles is warmer on average: its mean annual temperature is 65°F (19°C) against 54°F (12°C) in Portland (ERA5, 1996–2025).
Which gets more rain, Los Angeles or Portland?
Portland, with about 50.4 in (1280 mm) of precipitation a year and 146 days with at least 1 mm, compared with 14.0 in (355 mm) and 32 days in Los Angeles.
Which is sunnier, Los Angeles or Portland?
Los Angeles averages more sunshine: 11.0 h a day against 8.5 h. Sunshine duration is modelled from cloud cover.
How reliable is this comparison?
Both cities use the same 30-year reanalysis, so differences are consistent. Absolute values describe a grid cell several kilometres wide and can differ by a degree or two from the airport station.