Dauphin Island, AL
Climate overview — based on NOAA 1991-2020 normals from DAUPHIN IS #2, AL US.
Year-round temperatures (°F)
Climate summary
Dauphin Island has an annual average temperature of 69.2°F with about 61.1 inches of precipitation per year. The warmest month is July (average high 88.2°F), and the coldest is January (average low 46.1°F). July is typically the wettest month (6.80 in) and October the driest (3.52 in).
Best time to visit Dauphin Island
Full guide →Climate change signal
All-time records →214 of 366 (58.5%) of Dauphin Island'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.
| 1970s | 16 | |
| 1980s | 49 | |
| 1990s | 31 | |
| 2000s | 51 | |
| 2010s | 67 | |
| 2020s | 152 |
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 | 58.6°F | 46.1°F | 52.3°F | 5.23 in | — | 12 |
| February | 61.5°F | 49.4°F | 55.4°F | 4.35 in | — | 10 |
| March | 66.8°F | 55.8°F | 61.3°F | 4.90 in | — | 10 |
| April | 73.5°F | 63.1°F | 68.3°F | 5.16 in | — | 7 |
| May | 80.8°F | 71.2°F | 76.0°F | 5.01 in | — | 7 |
| June | 86.2°F | 76.4°F | 81.3°F | 5.87 in | — | 10 |
| July | 88.2°F | 78.2°F | 83.2°F | 6.80 in | — | 12 |
| August | 88.1°F | 78.3°F | 83.2°F | 6.02 in | — | 12 |
| September | 85.2°F | 75.5°F | 80.3°F | 5.24 in | — | 8 |
| October | 77.4°F | 66.7°F | 72.0°F | 3.52 in | — | 7 |
| November | 67.8°F | 55.6°F | 61.7°F | 3.86 in | — | 8 |
| December | 61.2°F | 49.2°F | 55.2°F | 5.13 in | — | 12 |
Climate twins of Dauphin Island
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).