Weather and climate in Fort Myers, FL
What the weather is like in Fort Myers
The warmest month in Fort Myers is August, with average highs of 87°F. The coolest is January, when nights average 55°F. About 52.7 in of rain and snow falls in a typical year, most in August and least in February.
Skies are clearest in November (37% average cloud cover) and cloudiest in July (59%). Combining cloud with the length of truly dark nights, November, December, January offer the most clear, dark hours for stargazing.
Clear, dark hours per night
Hours of full astronomical darkness in mid-month, multiplied by the average share of clear sky. A rough guide to how much good observing time a typical night offers.
Monthly averages
| Month | High | Low | Precipitation | Cloud cover | Humidity | Wind | Dark hours |
|---|---|---|---|---|---|---|---|
| January | 71°F | 55°F | 1.9 in | 44% | 79% | 7 mph | 10.6 h |
| February | 74°F | 57°F | 1.8 in | 42% | 79% | 6 mph | 10.1 h |
| March | 77°F | 61°F | 2.0 in | 39% | 75% | 7 mph | 9.4 h |
| April | 82°F | 66°F | 2.3 in | 38% | 73% | 6 mph | 8.5 h |
| May | 86°F | 72°F | 4.2 in | 41% | 72% | 6 mph | 7.6 h |
| June | 87°F | 77°F | 8.6 in | 58% | 78% | 5 mph | 7.2 h |
| July | 87°F | 78°F | 7.8 in | 59% | 79% | 4 mph | 7.4 h |
| August | 87°F | 78°F | 8.7 in | 58% | 80% | 4 mph | 8.2 h |
| September | 86°F | 76°F | 7.7 in | 56% | 83% | 5 mph | 9.1 h |
| October | 83°F | 70°F | 3.4 in | 44% | 82% | 7 mph | 9.9 h |
| November | 77°F | 63°F | 1.9 in | 37% | 81% | 7 mph | 10.5 h |
| December | 74°F | 59°F | 2.2 in | 43% | 83% | 6 mph | 10.8 h |
Climate averages: NASA POWER, 2001–2025, for the grid area around 26.50, -81.88 (about 50 km across). High and low temperatures are estimated from the monthly mean and the average daily range. Hills, coasts and cities can differ from the area average. Sources and methods.