July is one of the warmer months of the year in Naples, with average highs near 30.1°C and lows around 27.4°C (mean 28.8°C). It is a relatively wet time of year, averaging 187 mm of rainfall and 76% relative humidity across the period.
July is one of the warmer months of the year in Naples. Across 45 years of records, the warmest July in Naples was 2023 — when the month averaged 30.4°C — while the coldest was 1984 at 27.4°C. Typical July days reach 30.1°C with nights near 27.4°C. The long-term trend is warming, about 0.3°C per decade.
July is a relatively wet time of year in Naples, averaging 187 mm of rainfall. The wettest July on record was 2001 with 285 mm, while the driest was 1996 at 69 mm.
Relative humidity in Naples during July averages 76%. The most humid July was 2013 at 80%, and the least humid was 2009 at 72%.
July receives about 5.8 kWh/m²/day of solar energy in Naples. The sunniest Julys were 1992 and 1996 at 6.4 kWh/m²/day, and the cloudiest were 2001, 2013 and 2017 at 5.2.
Average wind speed in Naples during July is 2.6 m/s. The windiest July was 1996 at 3.4 m/s, while the calmest was 2007 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.3°C | 28.6°C | 28.7°C | 28.9°C | 29.5°C | +1.2°C |
| Avg High | 29.6°C | 29.9°C | 30.0°C | 30.2°C | 30.9°C | +1.3°C |
| Avg Low | 26.9°C | 27.3°C | 27.4°C | 27.6°C | 28.1°C | +1.2°C |
| Avg Rain | 184 mm | 169 mm | 203 mm | 196 mm | 178 mm | -6 mm |
July temperatures in Naples have risen by about 1.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 24.8°C (1996) to a record high of 33.3°C (2025).
Rainfall in July is a relatively wet time of year, averaging 187 mm, with a wettest year of 285 mm.
A quieter season to visit Naples
If your dates are flexible, the more temperate months of March and November tend to be the most comfortable for visiting Naples. That said, July — with days averaging 30.1°C and nights around 27.4°C (mean 28.8°C) and higher rainfall (187 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 30.9°C | 29.5°C | 28.1°C | 33.3°C | 26.3°C | 167 mm | 77% | 2.2 m/s | 6 |
| 2024 | 31.4°C | 29.9°C | 28.5°C | 32.5°C | 26.9°C | 180 mm | 77% | 2.3 m/s | 5.7 |
| 2023 🔥 | 31.7°C | 30.4°C | 29.0°C | 32.9°C | 27.7°C | 183 mm | 74% | 2 m/s | 5.8 |
| 2022 | 31.0°C | 29.5°C | 28.0°C | 32.0°C | 27.0°C | 143 mm | 76% | 2.9 m/s | 6.1 |
| 2021 | 30.0°C | 28.6°C | 27.2°C | 31.4°C | 25.6°C | 202 mm | 78% | 2.7 m/s | 5.7 |
| 2020 | 30.5°C | 29.2°C | 27.9°C | 32.1°C | 26.3°C | 195 mm | 77% | 3 m/s | 5.8 |
| 2019 | 30.6°C | 29.2°C | 27.9°C | 32.1°C | 26.9°C | 214 mm | 75% | 2.6 m/s | 5.7 |
| 2018 | 30.3°C | 29.0°C | 27.7°C | 31.5°C | 26.4°C | 163 mm | 75% | 2.4 m/s | 6 |
| 2017 | 30.2°C | 29.0°C | 27.8°C | 31.4°C | 26.7°C | 282 mm | 77% | 2.4 m/s | 5.2 |
| 2016 | 31.0°C | 29.6°C | 28.1°C | 32.5°C | 27.0°C | 131 mm | 74% | 2.2 m/s | 6 |
| 2015 | 30.5°C | 29.3°C | 28.0°C | 32.3°C | 27.2°C | 171 mm | 74% | 2.5 m/s | 5.5 |
| 2014 | 30.1°C | 29.0°C | 27.9°C | 31.5°C | 26.6°C | 212 mm | 76% | 2 m/s | 5.3 |
| 2013 | 29.0°C | 27.8°C | 26.6°C | 30.9°C | 25.1°C | 264 mm | 80% | 3.1 m/s | 5.2 |
| 2012 | 29.9°C | 28.5°C | 27.1°C | 31.0°C | 25.9°C | 163 mm | 74% | 2 m/s | 5.8 |
| 2011 | 30.3°C | 29.0°C | 27.6°C | 32.7°C | 26.5°C | 200 mm | 75% | 2.4 m/s | 5.8 |
| 2010 | 30.5°C | 29.0°C | 27.5°C | 31.9°C | 25.9°C | 158 mm | 77% | 3.3 m/s | 5.8 |
| 2009 | 30.5°C | 29.2°C | 27.8°C | 31.9°C | 26.7°C | 158 mm | 72% | 2.1 m/s | 5.9 |
| 2008 | 29.5°C | 28.2°C | 26.8°C | 31.1°C | 25.5°C | 217 mm | 76% | 2.3 m/s | 5.5 |
| 2007 | 30.4°C | 29.2°C | 28.0°C | 32.2°C | 26.8°C | 201 mm | 74% | 1.9 m/s | 5.5 |
| 2006 | 29.7°C | 28.3°C | 27.0°C | 31.5°C | 26.1°C | 253 mm | 78% | 2.8 m/s | 5.5 |
| 2005 | 30.3°C | 29.0°C | 27.6°C | 31.3°C | 27.0°C | 201 mm | 79% | 3.2 m/s | 6 |
| 2004 | 30.3°C | 28.9°C | 27.6°C | 32.0°C | 26.6°C | 226 mm | 74% | 2.2 m/s | 6.1 |
| 2003 | 30.0°C | 28.7°C | 27.4°C | 31.3°C | 26.4°C | 158 mm | 76% | 2.3 m/s | 5.8 |
| 2002 | 29.4°C | 28.2°C | 27.1°C | 30.9°C | 25.4°C | 191 mm | 79% | 2.3 m/s | 5.8 |
| 2001 🌧️ | 29.6°C | 28.2°C | 26.9°C | 31.1°C | 25.3°C | 285 mm | 79% | 3 m/s | 5.2 |
| 2000 | 29.9°C | 28.6°C | 27.4°C | 31.1°C | 25.7°C | 136 mm | 75% | 2.6 m/s | 5.5 |
| 1999 | 30.0°C | 28.5°C | 27.0°C | 31.4°C | 25.2°C | 130 mm | 76% | 2.9 m/s | 6.3 |
| 1998 | 30.6°C | 29.2°C | 27.8°C | 32.7°C | 26.4°C | 220 mm | 76% | 2.6 m/s | 5.5 |
| 1997 | 30.4°C | 29.1°C | 27.9°C | 32.0°C | 26.8°C | 147 mm | 74% | 2.3 m/s | 5.9 |
| 1996 | 30.1°C | 28.7°C | 27.2°C | 31.2°C | 24.8°C | 69 mm | 76% | 3.4 m/s | 6.4 |
| 1995 | 29.8°C | 28.5°C | 27.3°C | 31.1°C | 26.2°C | 227 mm | 77% | 3 m/s | 5.6 |
| 1994 | 29.4°C | 28.1°C | 26.9°C | 30.6°C | 26.2°C | 181 mm | 77% | 3.1 m/s | 5.6 |
| 1993 | 30.0°C | 28.8°C | 27.6°C | 31.5°C | 25.9°C | 131 mm | 75% | 2.3 m/s | 6 |
| 1992 | 29.8°C | 28.4°C | 27.0°C | 31.2°C | 25.7°C | 129 mm | 78% | 2.7 m/s | 6.4 |
| 1991 | 29.4°C | 28.4°C | 27.3°C | 31.0°C | 25.6°C | 275 mm | 78% | 2.5 m/s | 5.7 |
| 1990 | 29.6°C | 28.3°C | 27.0°C | 30.7°C | 25.8°C | 178 mm | 77% | 3.1 m/s | 6 |
| 1989 | 29.6°C | 28.3°C | 27.0°C | 31.2°C | 25.1°C | 212 mm | 76% | 2.7 m/s | 5.9 |
| 1988 | 29.5°C | 28.1°C | 26.7°C | 30.8°C | 25.5°C | 159 mm | 78% | 3 m/s | 5.5 |
| 1987 | 30.1°C | 28.7°C | 27.3°C | 30.9°C | 25.4°C | 176 mm | 74% | 2.7 m/s | 5.8 |
| 1986 | 29.7°C | 28.4°C | 27.0°C | 30.9°C | 25.6°C | 146 mm | 73% | 2.6 m/s | 5.5 |
| 1985 | 29.4°C | 28.1°C | 26.8°C | 32.2°C | 25.9°C | 236 mm | 75% | 2.9 m/s | 5.6 |
| 1984 ❄️ | 28.5°C | 27.4°C | 26.2°C | 29.9°C | 25.1°C | 201 mm | 79% | 2.9 m/s | 5.9 |
| 1983 | 29.8°C | 28.3°C | 26.9°C | 31.1°C | 25.3°C | 136 mm | 75% | 2.8 m/s | — |
| 1982 | 29.6°C | 28.3°C | 27.1°C | 30.5°C | 25.9°C | 243 mm | 75% | 2.7 m/s | — |
| 1981 | 30.4°C | 28.9°C | 27.4°C | 31.7°C | 25.3°C | 149 mm | 73% | 2.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 30.1°C with lows near 27.4°C (mean 28.8°C), based on 45 years of NASA POWER data.
July averages 187 mm of rainfall in Naples, a relatively wet time of year. The wettest on record was 285 mm in 2001.
The hottest July reached 33.3°C in 2025. The coldest dipped to 24.8°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.4°C. Daytime highs moved from 29.5°C to 31°C and overnight lows from 26.9°C to 28.2°C over the same span.
July is one of the warmer months of the year in Naples and a relatively wet time of year, so plan for around 30.1°C daytime highs and 27.4°C at night.
Not quite — July is the 11th coolest month in Naples, averaging 28.8°C.
For July in Naples, pack light, breathable clothing and sun protection, with typical highs of 30.1°C and lows of 27.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 76% — quite humid.
Average wind speed in July is 2.6 m/s. The windiest July on record averaged 3.4 m/s (1996).
The wettest July on record was 2001 with 285 mm. On average, July sees 187 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
