Naples weather in March
In March, Naples sees average daytime highs of 76°F and overnight lows near 64°F, with 1.5 in of rain across 4.6 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.
Highs climb over the month, from about 75°F in the first days to 78°F by the end. The sky is clear or mostly clear about 54% of the time in March, and the air most often feels muggy.
Daylight stretches from about 11 h 24 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is Naples's 2nd-clearest and 1st-windiest month. For the whole year in context, see Naples's year-round climate.
- Daytime high
- 76°
- 9th warmest
- Overnight low
- 64°
- 4th coldest
- Rainfall
- 1.5 in
- 4.6 wet days
- Daylight
- 11 h 48 min
- 6:43 AM – 6:31 PM
- Cloud cover
- 41%
- 2nd clearest
- Wind
- 9 mph
- 1st windiest
- Solar energy
- 5.62 kWh/m²
- Travel score
- 8.1
- out of 10
Naples is city in Collier County, Florida, United States.
- Density
- 506/km²
- people per km²
- Founded
- 1886
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Highs climb over the month, from about 75°F in the first days to 78°F by the end.
A typical March day in Naples reaches about 76°F in the afternoon and slips back to 64°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 81°F. Set against its neighbours, March runs about 3°F warmer than February and about 4°F cooler than April.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 76 | 77 | 77 | 77 | 77 | 77 | 77 | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 79 |
| Avg low (°F) | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 66 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 75 | 62 |
| 2 | 75 | 62 |
| 3 | 75 | 62 |
| 4 | 75 | 62 |
| 5 | 75 | 62 |
| 6 | 75 | 62 |
| 7 | 75 | 62 |
| 8 | 75 | 62 |
| 9 | 75 | 62 |
| 10 | 76 | 63 |
| 11 | 76 | 63 |
| 12 | 76 | 63 |
| 13 | 76 | 63 |
| 14 | 76 | 63 |
| 15 | 76 | 63 |
| 16 | 76 | 64 |
| 17 | 76 | 64 |
| 18 | 77 | 64 |
| 19 | 77 | 64 |
| 20 | 77 | 64 |
| 21 | 77 | 64 |
| 22 | 77 | 65 |
| 23 | 77 | 65 |
| 24 | 78 | 65 |
| 25 | 78 | 65 |
| 26 | 78 | 65 |
| 27 | 78 | 65 |
| 28 | 78 | 66 |
| 29 | 78 | 66 |
| 30 | 78 | 66 |
| 31 | 79 | 66 |
How March really feels in Naples
Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Naples weather by month
How March compares with the rest of the year at a glance. March is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 72° / 59° | 1.7 | 4.9 | 10.5 | 7.7 |
| Feb | 73° / 61° | 1.3 | 4.4 | 11.1 | 8.0 |
| Mar | 76° / 64° | 1.5 | 4.6 | 11.8 | 8.1 |
| Apr | 81° / 68° | 1.8 | 6 | 12.6 | 7.4 |
| May | 84° / 73° | 2.7 | 9.2 | 13.3 | 5.7 |
| Jun | 86° / 77° | 6.2 | 19.1 | 13.6 | 3.9 |
| Jul | 87° / 78° | 5.4 | 21.6 | 13.5 | 3.4 |
| Aug | 87° / 78° | 5.8 | 21.5 | 12.9 | 3.4 |
| Sep | 86° / 77° | 5.9 | 19.6 | 12.2 | 3.8 |
| Oct | 83° / 73° | 3.1 | 9.2 | 11.4 | 6.0 |
| Nov | 78° / 66° | 1.3 | 3.9 | 10.7 | 7.9 |
| Dec | 74° / 62° | 1.2 | 4.2 | 10.4 | 8.0 |
Cloud cover in March
The sky is clear or mostly clear about 54% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 18% of March, with mostly cloudy or overcast conditions the remaining 28%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 71 | 71 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 71 | 71 | 70 | 70 | 70 | 70 | 71 | 71 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 73 | 74 | 74 | 74 | 74 | 74 | 74 |
| Cloudier (%) | 29 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 26 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 71 | 29 |
| 2 | 71 | 29 |
| 3 | 70 | 30 |
| 4 | 70 | 30 |
| 5 | 70 | 30 |
| 6 | 71 | 29 |
| 7 | 71 | 29 |
| 8 | 71 | 29 |
| 9 | 71 | 29 |
| 10 | 71 | 29 |
| 11 | 71 | 29 |
| 12 | 70 | 30 |
| 13 | 70 | 30 |
| 14 | 70 | 30 |
| 15 | 70 | 30 |
| 16 | 71 | 29 |
| 17 | 71 | 29 |
| 18 | 71 | 29 |
| 19 | 71 | 29 |
| 20 | 72 | 28 |
| 21 | 72 | 28 |
| 22 | 72 | 28 |
| 23 | 72 | 28 |
| 24 | 72 | 28 |
| 25 | 73 | 27 |
| 26 | 74 | 26 |
| 27 | 74 | 26 |
| 28 | 74 | 26 |
| 29 | 74 | 26 |
| 30 | 74 | 26 |
| 31 | 74 | 26 |
Chance of precipitation in March
Naples gets around 1.5 in of rain over 4.6 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 16% and peaks near 17% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 |
| Rain chance (%) | |
|---|---|
| 1 | 15 |
| 2 | 15 |
| 3 | 15 |
| 4 | 15 |
| 5 | 15 |
| 6 | 14 |
| 7 | 14 |
| 8 | 14 |
| 9 | 14 |
| 10 | 14 |
| 11 | 14 |
| 12 | 15 |
| 13 | 15 |
| 14 | 16 |
| 15 | 16 |
| 16 | 17 |
| 17 | 17 |
| 18 | 17 |
| 19 | 17 |
| 20 | 17 |
| 21 | 17 |
| 22 | 17 |
| 23 | 17 |
| 24 | 17 |
| 25 | 17 |
| 26 | 17 |
| 27 | 17 |
| 28 | 16 |
| 29 | 16 |
| 30 | 16 |
| 31 | 16 |
Humidity in March
Most of March feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the muggy band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 31% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 30 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 32 | 31 | 31 | 30 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 15 |
| Comfortable (%) | 14 | 15 | 15 | 16 | 17 | 17 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 19 | 19 |
| Humid (%) | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 |
| Muggy (%) | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 32 | 33 | 34 |
| Oppressive (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 30 | 14 | 25 | 28 | 2 |
| 2 | 31 | 15 | 24 | 28 | 2 |
| 3 | 32 | 15 | 24 | 27 | 2 |
| 4 | 32 | 16 | 24 | 26 | 2 |
| 5 | 33 | 17 | 23 | 25 | 2 |
| 6 | 33 | 17 | 23 | 25 | 2 |
| 7 | 33 | 18 | 23 | 24 | 2 |
| 8 | 33 | 18 | 23 | 24 | 2 |
| 9 | 32 | 19 | 23 | 24 | 2 |
| 10 | 31 | 19 | 24 | 24 | 2 |
| 11 | 31 | 19 | 24 | 24 | 2 |
| 12 | 30 | 20 | 24 | 24 | 2 |
| 13 | 28 | 20 | 25 | 25 | 2 |
| 14 | 27 | 20 | 25 | 25 | 2 |
| 15 | 26 | 21 | 25 | 26 | 2 |
| 16 | 25 | 21 | 26 | 26 | 2 |
| 17 | 24 | 21 | 26 | 26 | 3 |
| 18 | 23 | 21 | 26 | 27 | 3 |
| 19 | 22 | 21 | 26 | 27 | 4 |
| 20 | 21 | 21 | 26 | 28 | 4 |
| 21 | 20 | 21 | 26 | 28 | 5 |
| 22 | 19 | 21 | 26 | 29 | 5 |
| 23 | 18 | 21 | 26 | 29 | 5 |
| 24 | 17 | 21 | 26 | 29 | 6 |
| 25 | 17 | 21 | 26 | 30 | 6 |
| 26 | 16 | 21 | 26 | 30 | 7 |
| 27 | 16 | 20 | 26 | 31 | 7 |
| 28 | 16 | 20 | 26 | 31 | 7 |
| 29 | 15 | 20 | 26 | 32 | 7 |
| 30 | 15 | 19 | 25 | 33 | 7 |
| 31 | 15 | 19 | 25 | 34 | 7 |
Wind in March
Winds average 9 mph in March, the windiest month of the year.
Across March, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 9 | light breeze |
| 2 | 9 | light breeze |
| 3 | 9 | light breeze |
| 4 | 9 | light breeze |
| 5 | 9 | light breeze |
| 6 | 9 | light breeze |
| 7 | 9 | light breeze |
| 8 | 9 | light breeze |
| 9 | 9 | light breeze |
| 10 | 9 | light breeze |
| 11 | 9 | light breeze |
| 12 | 9 | light breeze |
| 13 | 9 | light breeze |
| 14 | 9 | light breeze |
| 15 | 9 | light breeze |
| 16 | 9 | light breeze |
| 17 | 9 | light breeze |
| 18 | 9 | light breeze |
| 19 | 9 | light breeze |
| 20 | 9 | light breeze |
| 21 | 9 | light breeze |
| 22 | 9 | light breeze |
| 23 | 9 | light breeze |
| 24 | 9 | light breeze |
| 25 | 9 | light breeze |
| 26 | 9 | light breeze |
| 27 | 9 | light breeze |
| 28 | 9 | light breeze |
| 29 | 9 | light breeze |
| 30 | 9 | light breeze |
| 31 | 9 | light breeze |
Sunrise & sunset in March
Daylight runs from about 11 h 24 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 48 minutes over March. Sunrise moves from 6:58 AM to 6:26 AM, and sunset from 6:23 PM to 6:38 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.4 | 11.4 | 11.5 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 |
| Sunrise (AM) | 6:58 | 6:57 | 6:56 | 6:55 | 6:54 | 6:53 | 6:52 | 6:51 | 6:50 | 6:49 | 6:48 | 6:47 | 6:46 | 6:45 | 6:44 | 6:43 | 6:41 | 6:40 | 6:39 | 6:38 | 6:37 | 6:36 | 6:35 | 6:34 | 6:33 | 6:32 | 6:30 | 6:29 | 6:28 | 6:27 | 6:26 |
| Sunset (PM) | 6:23 | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:38 | 6:38 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.4 | 6:58 | 6:23 |
| 2 | 11.4 | 6:57 | 6:24 |
| 3 | 11.5 | 6:56 | 6:24 |
| 4 | 11.5 | 6:55 | 6:25 |
| 5 | 11.5 | 6:54 | 6:25 |
| 6 | 11.5 | 6:53 | 6:26 |
| 7 | 11.6 | 6:52 | 6:26 |
| 8 | 11.6 | 6:51 | 6:27 |
| 9 | 11.6 | 6:50 | 6:28 |
| 10 | 11.7 | 6:49 | 6:28 |
| 11 | 11.7 | 6:48 | 6:29 |
| 12 | 11.7 | 6:47 | 6:29 |
| 13 | 11.7 | 6:46 | 6:30 |
| 14 | 11.8 | 6:45 | 6:30 |
| 15 | 11.8 | 6:44 | 6:31 |
| 16 | 11.8 | 6:43 | 6:31 |
| 17 | 11.8 | 6:41 | 6:32 |
| 18 | 11.9 | 6:40 | 6:32 |
| 19 | 11.9 | 6:39 | 6:33 |
| 20 | 11.9 | 6:38 | 6:33 |
| 21 | 11.9 | 6:37 | 6:34 |
| 22 | 12.0 | 6:36 | 6:34 |
| 23 | 12.0 | 6:35 | 6:35 |
| 24 | 12.0 | 6:34 | 6:35 |
| 25 | 12.0 | 6:33 | 6:35 |
| 26 | 12.1 | 6:32 | 6:36 |
| 27 | 12.1 | 6:30 | 6:36 |
| 28 | 12.1 | 6:29 | 6:37 |
| 29 | 12.2 | 6:28 | 6:37 |
| 30 | 12.2 | 6:27 | 6:38 |
| 31 | 12.2 | 6:26 | 6:38 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 5.62 kWh/m².
For context, solar energy here swings from a low near 3.46 kWh/m² to a high of 6.63 kWh/m² in May across the year — March's 5.62 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.1 | 5.1 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.5 | 5.5 | 5.5 | 5.5 | 5.6 | 5.6 | 5.6 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.1 | Bright |
| 2 | 5.1 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.3 | Bright |
| 6 | 5.3 | Bright |
| 7 | 5.3 | Bright |
| 8 | 5.3 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.5 | Bright |
| 13 | 5.5 | Bright |
| 14 | 5.5 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.6 | Bright |
| 17 | 5.6 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.7 | Bright |
| 20 | 5.7 | Bright |
| 21 | 5.8 | Bright |
| 22 | 5.8 | Bright |
| 23 | 5.8 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 6.0 | Bright |
| 27 | 6.0 | Bright |
| 28 | 6.0 | Intense |
| 29 | 6.1 | Intense |
| 30 | 6.1 | Intense |
| 31 | 6.1 | Intense |
Hazard calendar for Naples
None of Naples's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Naples sits in the Atlantic hurricane belt; the season peaks August–October.
Naples's rainy season runs June–October, when most of the year's rain falls.
Is March a good time to visit Naples?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is one of the better times to visit Naples for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Naples in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Naples sees daytime highs around 76°F and nights near 64°F. Worth packing: light clothes and sun protection. About 5 days see rain.
Sea temperature near Naples in March
The nearest coast averages about 71°F in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 86°F and coldest in January near 68°F.
The water stays above 68°F all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 68 | 68 | 71 | 76 | 80 | 84 | 86 | 86 | 85 | 82 | 76 | 71 |
| Comfort | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Refreshing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 68 | Refreshing |
| Feb | 68 | Refreshing |
| Mar | 71 | Refreshing |
| Apr | 76 | Warm |
| May | 80 | Warm |
| Jun | 84 | Tropical |
| Jul | 86 | Tropical |
| Aug | 86 | Tropical |
| Sep | 85 | Tropical |
| Oct | 82 | Warm |
| Nov | 76 | Warm |
| Dec | 71 | Refreshing |
UV index in Naples in March
Clear-sky midday UV in March peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Naples peaks around July 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 5 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 5 | 7 | 9 | 10 | 10 | 11 | 12 | 11 | 10 | 8 | 6 | 5 |
| Level | High | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 5 | High |
| Feb | 7 | Very high |
| Mar | 9 | Very high |
| Apr | 10 | Very high |
| May | 10 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Very high |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Air quality in Naples in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Naples is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 12 | 10 | 11 | 15 | 20 | 17 | 12 | 9 | 8 | 7 |
| Level | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 12 | Good |
| Apr | 10 | Good |
| May | 11 | Good |
| Jun | 15 | Moderate |
| Jul | 20 | Moderate |
| Aug | 17 | Moderate |
| Sep | 12 | Moderate |
| Oct | 9 | Good |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is Naples?
Naples sits at 26.1°N, 81.8°W, 3 ft above sea level, in United States. The nearest listed city is East Naples, 1.9 mi away.
Topography around Naples
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Naples.
Within 2 miles, the terrain around Naples has only modest variations in elevation — a maximum elevation change of 46 ft around an average of 10 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 102 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 138 ft.
The land around Naples is covered by artificial surfaces (39%) and water (35%) within 2 miles, water (52%) and trees (20%) within 10 miles, and water (43%) and trees (24%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Naples (26.1423°, -81.796°, elevation 3 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).