St. Martinville, LA
Climate overview — based on NOAA 1991-2020 normals from LAFAYETTE 13 SE, LA US.
Year-round temperatures (°F)
Climate summary
St. Martinville has an annual average temperature of 67.8°F with about 66.8 inches of precipitation per year. The warmest month is August (average high 90.1°F), and the coldest is January (average low 42.5°F). June is typically the wettest month (8.06 in) and March the driest (3.93 in).
Best time to visit St. Martinville
Full guide →Climate change signal
All-time records →243 of 366 (66.4%) of St. Martinville'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.
| 2000s | 75 | |
| 2010s | 136 | |
| 2020s | 155 |
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 | 61.6°F | 42.5°F | 52.1°F | 5.63 in | — | 10 |
| February | 65.4°F | 46.7°F | 56.1°F | 4.38 in | — | 10 |
| March | 71.5°F | 52.0°F | 61.8°F | 3.93 in | — | 8 |
| April | 77.3°F | 57.3°F | 67.3°F | 5.28 in | — | 8 |
| May | 84.1°F | 65.1°F | 74.6°F | 5.45 in | — | 9 |
| June | 88.5°F | 70.8°F | 79.6°F | 8.06 in | — | 12 |
| July | 89.7°F | 72.8°F | 81.2°F | 6.56 in | — | 14 |
| August | 90.1°F | 72.6°F | 81.3°F | 6.92 in | — | 13 |
| September | 86.8°F | 68.1°F | 77.5°F | 5.85 in | — | 10 |
| October | 79.8°F | 57.9°F | 68.8°F | 5.10 in | — | 7 |
| November | 70.4°F | 48.4°F | 59.4°F | 4.46 in | — | 8 |
| December | 63.8°F | 44.2°F | 54.0°F | 5.17 in | — | 10 |
Climate twins of St. Martinville
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).