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Houston vs Los Angeles weather: climate comparison
Houston is the warmer of the two, averaging 70°F (21°C) over the year against 65°F (19°C) in Los Angeles. Houston is wetter, with 54.0 in (1372 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
- 21.3°C Houston
18.6°C Los Angeles - Annual precipitation
- 1372.4 mm Houston
355.0 mm Los Angeles - Rainy days a year
- 132 Houston
32 Los Angeles - Sunshine per day
- 9.3 h Houston
11.0 h Los Angeles
Month by month
| Month | Houston | Los Angeles |
|---|---|---|
| January | 16.9°C | 19.1°C |
| February | 18.8°C | 19.3°C |
| March | 22.2°C | 20.9°C |
| April | 25.7°C | 23.2°C |
| May | 29.4°C | 25.1°C |
| June | 32.0°C | 27.9°C |
| July | 32.9°C | 31.2°C |
| August | 33.5°C | 32.2°C |
| September | 31.0°C | 30.8°C |
| October | 27.1°C | 27.2°C |
| November | 21.8°C | 22.9°C |
| December | 18.1°C | 18.8°C |
Year at a glance
| Measure | Houston | Los Angeles |
|---|---|---|
| Mean annual temperature | 21.3°C | 18.6°C |
| Warmest month (avg high) | Aug · 33°C | Aug · 32°C |
| Coldest month (avg low) | Jan · 8°C | Dec · 7°C |
| Annual range (warmest high − coldest low) | 26°C | 25°C |
| Annual precipitation | 1372.4 mm | 355.0 mm |
| Rainy days per year | 132 | 32 |
| Wettest / driest month | Sep / Feb | Feb / Jul |
| Average sunshine per day | 9.3 h | 11.0 h |
In short: Houston is the warmest overall (21.3°C mean); Houston gets the most precipitation (1372.4 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: Houston 41.7°C (2000-09-04), Los Angeles 45.7°C (2024-09-06). Record low: Houston -10.9°C (2021-02-16), Los Angeles -1.9°C (2013-01-14).
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 Houston (29.77, -95.33) and Los Angeles (34.06, -118.24).
Which months differ most?
The gap in average highs is widest in May, when Houston runs 8°F / 4°C warmer, and narrowest in September (0°F / 0°C apart). The biggest rainfall difference is in September: Houston gets 5.2 in (131 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 Houston climate and Los Angeles climate pages.
Compare Houston or Los Angeles with another city
Questions people ask
Is Houston warmer than Los Angeles?
Houston is warmer on average: its mean annual temperature is 70°F (21°C) against 65°F (19°C) in Los Angeles (ERA5, 1996–2025).
Which gets more rain, Houston or Los Angeles?
Houston, with about 54.0 in (1372 mm) of precipitation a year and 132 days with at least 1 mm, compared with 14.0 in (355 mm) and 32 days in Los Angeles.
Which is sunnier, Houston or Los Angeles?
Los Angeles averages more sunshine: 11.0 h a day against 9.3 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.