March is one of the cooler months of the year in Naples, with average highs near 23.7°C and lows around 18.9°C (mean 21.3°C). It is one of the drier months, averaging 56 mm of rainfall and 78% relative humidity across the period.
March is one of the cooler months of the year in Naples. Across 45 years of records, the warmest March in Naples was 1997 — when the month averaged 24.1°C — while the coldest was 2010 at 17.3°C. Typical March days reach 23.7°C with nights near 18.9°C. The long-term trend is warming, about 0.3°C per decade.
March is one of the drier months in Naples, averaging 56 mm of rainfall. The wettest March on record was 1987 with 189 mm, while the driest was 2020 at 5 mm.
Relative humidity in Naples during March averages 78%. The most humid March was 2003 at 84%, and the least humid was 1981 at 71%.
March receives about 5.4 kWh/m²/day of solar energy in Naples. The sunniest Marchs were 2006, 2018 and 2025, among others at 6 kWh/m²/day, and the cloudiest was 1987 at 4.6.
Average wind speed in Naples during March is 3.9 m/s. The windiest March was 1983 at 5.1 m/s, while the calmest was 2015 at 3.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.7°C | 21.0°C | 21.5°C | 21.0°C | 22.7°C | +2°C |
| Avg High | 23.0°C | 23.4°C | 23.9°C | 23.4°C | 25.1°C | +2.1°C |
| Avg Low | 18.4°C | 18.7°C | 19.2°C | 18.6°C | 20.4°C | +2°C |
| Avg Rain | 87 mm | 55 mm | 47 mm | 50 mm | 34 mm | -53 mm |
March temperatures in Naples have risen by about 1.9°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 7.2°C (1996) to a record high of 28.2°C (2020).
Rainfall in March is one of the drier months, averaging 56 mm, with a wettest year of 189 mm.
One of the best times to visit Naples
March is one of the best times to visit Naples. Expect days averaging 23.7°C and nights around 18.9°C (mean 21.3°C) — cooler than Naples's yearly average — with moderate rainfall (56 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 24.0°C | 21.4°C | 18.8°C | 26.5°C | 14.3°C | 32 mm | 78% | 3.6 m/s | 6 |
| 2024 | 25.0°C | 23.0°C | 21.0°C | 26.8°C | 16.7°C | 99 mm | 83% | 3.3 m/s | 5.1 |
| 2023 | 26.0°C | 23.6°C | 21.3°C | 27.7°C | 14.3°C | 19 mm | 77% | 3.6 m/s | 5.9 |
| 2022 | 25.7°C | 23.3°C | 20.8°C | 27.1°C | 11.3°C | 30 mm | 78% | 4 m/s | 5.8 |
| 2021 | 24.3°C | 22.0°C | 19.7°C | 27.7°C | 13.9°C | 16 mm | 80% | 3.6 m/s | 5.7 |
| 2020 | 25.6°C | 23.1°C | 20.6°C | 28.2°C | 12.5°C | 5 mm | 78% | 3.2 m/s | 5.9 |
| 2019 | 24.4°C | 21.9°C | 19.5°C | 26.7°C | 13.3°C | 48 mm | 78% | 3.5 m/s | 5.4 |
| 2018 | 22.9°C | 20.2°C | 17.6°C | 25.9°C | 12.1°C | 17 mm | 74% | 3.8 m/s | 6 |
| 2017 | 24.0°C | 21.4°C | 18.8°C | 25.9°C | 11.6°C | 35 mm | 76% | 3.9 m/s | 5.8 |
| 2016 | 24.0°C | 21.9°C | 19.8°C | 26.4°C | 13.9°C | 40 mm | 84% | 3.2 m/s | 5.2 |
| 2015 | 25.1°C | 22.9°C | 20.6°C | 26.9°C | 15.5°C | 29 mm | 80% | 3.1 m/s | 5.3 |
| 2014 | 23.5°C | 21.1°C | 18.7°C | 25.4°C | 12.8°C | 62 mm | 78% | 3.7 m/s | 5.4 |
| 2013 | 21.1°C | 18.3°C | 15.6°C | 24.3°C | 11.0°C | 25 mm | 72% | 4 m/s | 5.6 |
| 2012 | 25.4°C | 23.0°C | 20.7°C | 26.3°C | 13.7°C | 48 mm | 76% | 3.9 m/s | 5.8 |
| 2011 | 24.1°C | 21.6°C | 19.1°C | 26.2°C | 12.3°C | 47 mm | 77% | 3.2 m/s | 5.8 |
| 2010 ❄️ | 19.6°C | 17.3°C | 15.1°C | 23.8°C | 10.0°C | 154 mm | 77% | 4.2 m/s | 5.4 |
| 2009 | 23.1°C | 20.6°C | 18.1°C | 25.7°C | 10.7°C | 22 mm | 77% | 3.6 m/s | 5.2 |
| 2008 | 24.0°C | 21.5°C | 18.9°C | 26.4°C | 12.4°C | 65 mm | 78% | 4 m/s | 5.3 |
| 2007 | 24.1°C | 21.3°C | 18.6°C | 25.9°C | 13.0°C | 19 mm | 75% | 4 m/s | 5.6 |
| 2006 | 23.3°C | 20.9°C | 18.5°C | 25.4°C | 12.9°C | 9 mm | 78% | 3.6 m/s | 6 |
| 2005 | 22.1°C | 20.1°C | 18.0°C | 26.1°C | 12.8°C | 107 mm | 81% | 3.5 m/s | 5 |
| 2004 | 23.3°C | 20.8°C | 18.4°C | 24.9°C | 13.1°C | 9 mm | 79% | 4.2 m/s | 5.7 |
| 2003 | 25.6°C | 23.7°C | 21.8°C | 27.0°C | 14.2°C | 80 mm | 84% | 3.2 m/s | 4.9 |
| 2002 | 24.7°C | 22.1°C | 19.4°C | 26.8°C | 9.2°C | 27 mm | 82% | 3.6 m/s | 5.5 |
| 2001 | 23.3°C | 21.4°C | 19.4°C | 25.5°C | 14.7°C | 101 mm | 79% | 4.1 m/s | 5.3 |
| 2000 | 25.0°C | 22.7°C | 20.4°C | 26.8°C | 16.6°C | 29 mm | 77% | 3.7 m/s | 5.5 |
| 1999 | 23.3°C | 20.5°C | 17.7°C | 25.7°C | 11.8°C | 21 mm | 74% | 3.7 m/s | 6 |
| 1998 | 22.0°C | 19.5°C | 17.1°C | 25.6°C | 10.6°C | 95 mm | 78% | 5 m/s | 5.6 |
| 1997 🔥 | 26.1°C | 24.1°C | 22.0°C | 27.5°C | 19.8°C | 59 mm | 77% | 3.8 m/s | 5.5 |
| 1996 | 21.4°C | 19.0°C | 16.7°C | 24.8°C | 7.2°C | 56 mm | 79% | 4.8 m/s | 5.6 |
| 1995 | 23.4°C | 21.2°C | 19.1°C | 26.8°C | 13.0°C | 33 mm | 83% | 3.9 m/s | 5.1 |
| 1994 | 24.0°C | 21.8°C | 19.6°C | 27.3°C | 13.2°C | 37 mm | 78% | 4 m/s | 5.4 |
| 1993 | 22.0°C | 19.7°C | 17.5°C | 24.4°C | 8.4°C | 107 mm | 81% | 4.2 m/s | 5 |
| 1992 | 22.8°C | 20.4°C | 18.0°C | 24.9°C | 13.8°C | 69 mm | 80% | 3.9 m/s | 5.1 |
| 1991 | 24.1°C | 21.9°C | 19.7°C | 26.7°C | 12.1°C | 52 mm | 78% | 4.5 m/s | 5.1 |
| 1990 | 24.7°C | 22.2°C | 19.6°C | 26.1°C | 14.1°C | 26 mm | 74% | 4.4 m/s | 5.2 |
| 1989 | 24.0°C | 21.6°C | 19.2°C | 27.1°C | 11.8°C | 51 mm | 79% | 3.6 m/s | 5.1 |
| 1988 | 22.4°C | 20.0°C | 17.5°C | 25.3°C | 10.8°C | 66 mm | 79% | 4.3 m/s | 5.3 |
| 1987 🌧️ | 22.8°C | 20.8°C | 18.7°C | 25.5°C | 13.1°C | 189 mm | 81% | 4.9 m/s | 4.6 |
| 1986 | 22.6°C | 20.2°C | 17.7°C | 25.9°C | 9.8°C | 71 mm | 78% | 4.5 m/s | 5.1 |
| 1985 | 24.3°C | 22.0°C | 19.7°C | 26.1°C | 13.1°C | 49 mm | 76% | 3.7 m/s | 5.3 |
| 1984 | 21.9°C | 19.5°C | 17.1°C | 24.9°C | 10.2°C | 105 mm | 80% | 3.9 m/s | 5.3 |
| 1983 | 21.2°C | 19.1°C | 17.0°C | 23.5°C | 13.0°C | 138 mm | 82% | 5.1 m/s | — |
| 1982 | 25.3°C | 22.9°C | 20.5°C | 27.7°C | 13.1°C | 78 mm | 78% | 3.5 m/s | — |
| 1981 | 22.9°C | 20.4°C | 17.8°C | 26.7°C | 13.8°C | 32 mm | 71% | 4.6 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 23.7°C with lows near 18.9°C (mean 21.3°C), based on 45 years of NASA POWER data.
March averages 56 mm of rainfall in Naples, one of the drier months. The wettest on record was 189 mm in 1987.
The hottest March reached 28.2°C in 2020. The coldest dipped to 7.2°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 1.9°C. Daytime highs moved from 23.1°C to 25°C and overnight lows from 18.4°C to 20.3°C over the same span.
March is one of the cooler months of the year in Naples and one of the drier months, so plan for around 23.7°C daytime highs and 18.9°C at night.
Not quite — March is the 4th coolest month in Naples, averaging 21.3°C.
For March in Naples, pack light layers you can adjust through the day, with typical highs of 23.7°C and lows of 18.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 78% — quite humid.
Average wind speed in March is 3.9 m/s. The windiest March on record averaged 5.1 m/s (1983).
The wettest March on record was 1987 with 189 mm. On average, March sees 56 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Naples behaves each March, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for March specifically, along with year-by-year records and how the month has changed over the decades.
