Climate averages 1991–2020
Lake Charles weather
by month.
See how the year changes. August has the highest average daily maximum; October has the lowest average monthly rainfall.
Long-term climate patterns, not a forecast for a particular trip.
Across the year Lake Charles averages a daytime high of 24.9°C and a nighttime low of 16.3°C, with about 1,360 mm of rain on roughly 135 days. August is the warmest month (average high 32.3°C) and January the coolest (16.0°C). June is the wettest month with 133 mm; October is the driest with 95 mm.
The annual picture
A year in Lake Charles
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Lake Charles climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.0°C7.1°C | 7.1°C | 129 | 9.9 | 10.410 h |
| February | 18.0°C9.0°C | 9.0°C | 96 | 9.5 | 11.111 h |
| March | 21.3°C12.2°C | 12.2°C | 104 | 10.4 | 12.012 h |
| April | 24.8°C15.7°C | 15.7°C | 118 | 9.8 | 12.913 h |
| May | 28.6°C20.2°C | 20.2°C | 101 | 10.5 | 13.714 h |
| June | 31.0°C23.4°C | 23.4°C | 133 | 14.8 | 14.114 h |
| July | 31.8°C24.5°C | 24.5°C | 114 | 16.3 | 13.914 h |
| August | 32.3°C24.4°C | 24.4°C | 117 | 15.9 | 13.213 h |
| September | 30.3°C21.9°C | 21.9°C | 121 | 11.6 | 12.412 h |
| October | 26.3°C16.9°C | 16.9°C | 95 | 8.3 | 11.511 h |
| November | 20.8°C11.5°C | 11.5°C | 107 | 8.7 | 10.711 h |
| December | 17.1°C8.2°C | 8.2°C | 123 | 9.6 | 10.210 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
Nearby cities
- BeaumontUnited States · 87 kmHigh 24.9°C · Low 16.4°C · 1,344 mm rain a year
- Lafayette (Louisiana), United StatesUnited States · 114 kmHigh 25.0°C · Low 16.2°C · 1,295 mm rain a year
- BaytownUnited States · 179 kmHigh 25.1°C · Low 16.8°C · 1,278 mm rain a year
- Baton RougeUnited States · 195 kmHigh 24.9°C · Low 15.9°C · 1,349 mm rain a year
- League CityUnited States · 198 kmHigh 24.9°C · Low 17.6°C · 1,219 mm rain a year
- Pasadena (Texas), United StatesUnited States · 202 kmHigh 25.4°C · Low 16.8°C · 1,203 mm rain a year
- PearlandUnited States · 213 kmHigh 25.5°C · Low 16.9°C · 1,188 mm rain a year
- HoustonUnited States · 214 kmHigh 25.5°C · Low 16.5°C · 1,203 mm rain a year
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsWhat do the high and low temperatures mean?
We average the daily maximum and daily minimum for each calendar month over 1991–2020. They are not record extremes, a forecast range or temperatures at a fixed time of day.
How is a rain day counted?
A local calendar day (standard time, UTC-6, no daylight saving) with at least 1 mm of total precipitation counts as one rain day. We count these for each year and month, then average across 30 years. The average does not predict which days will be wet.
Where do the numbers come from?
ERA5-Land (temperature) and ERA5 (precipitation) reanalysis from the Copernicus Climate Change Service, read from the Open-Meteo open-data archive. Temperature comes from the 0.1° model cell at 30.20°, -93.20° (2 km from the city centre). Rain comes from the 0.25° cell at 30.25°, -93.25°. These are model estimates, not weather-station readings; coast, hills and city streets can differ.
Does this page show sunshine, humidity or sea temperature?
No. The data used here contain air temperature and precipitation only. Daylight hours are calculated from the city's latitude (sunrise to sunset), not measured sunshine.