Donaldsonville, LA
Climate overview — based on NOAA 1991-2020 normals from DONALDSONVILLE 4 SW, LA US.
Year-round temperatures (°F)
Climate summary
Donaldsonville has an annual average temperature of 68.2°F with about 63.4 inches of precipitation per year. The warmest month is August (average high 90.8°F), and the coldest is January (average low 41.7°F). June is typically the wettest month (6.97 in) and March the driest (4.03 in).
Best time to visit Donaldsonville
Full guide →Climate change signal
All-time records →18 of 366 (4.9%) of Donaldsonville's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1890s | 11 | |
| 1900s | 77 | |
| 1910s | 62 | |
| 1920s | 42 | |
| 1930s | 48 | |
| 1940s | 31 | |
| 1950s | 41 | |
| 1960s | 25 | |
| 1970s | 3 | |
| 1980s | 1 | |
| 1990s | 1 | |
| 2000s | 4 | |
| 2010s | 9 | |
| 2020s | 11 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 62.1°F | 41.7°F | 51.9°F | 5.78 in | — | 11 |
| February | 66.1°F | 45.2°F | 55.6°F | 4.11 in | — | 9 |
| March | 72.4°F | 51.0°F | 61.7°F | 4.03 in | — | 8 |
| April | 78.4°F | 57.1°F | 67.8°F | 4.88 in | — | 7 |
| May | 84.9°F | 65.1°F | 75.0°F | 5.64 in | — | 8 |
| June | 89.2°F | 71.6°F | 80.4°F | 6.97 in | — | 12 |
| July | 90.6°F | 73.5°F | 82.1°F | 6.51 in | — | 13 |
| August | 90.8°F | 73.1°F | 81.9°F | 6.37 in | — | 13 |
| September | 87.6°F | 69.1°F | 78.3°F | 5.39 in | — | 9 |
| October | 80.3°F | 58.6°F | 69.4°F | 4.65 in | — | 7 |
| November | 70.9°F | 48.6°F | 59.8°F | 4.21 in | — | 7 |
| December | 64.4°F | 43.7°F | 54.1°F | 4.86 in | 0.1 in | 9 |
Climate twins of Donaldsonville
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).