30YearWeather
Naples, April 9
Naples street view during April
Historical Weather Analysis

Naples Weather on April 9 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

partly-cloudy-day

17.1°C

High

8.7°C

Low

17%

Rain

🌤️ Feels like 17.1°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

April 9 is generally a great time to visit Naples. While there is a slight chance of rain (17%), showers are usually brief. Expect comfortable 17°C weather. Naples is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

EUR

Euro

Language

Italian

+1 more

Driving

Right side

Connect

As of Sept 2021, Naples has 4G from Ilia...

Safety

High Safety

GPI: 1.643

Naples Weather Forecast for April 9

"Mild & Comfortable. Expect average highs of 17.1°C. 17% chance of rain."

What to Wear in Naples in April

Based on historical data for April 9, Naples typically experiences temperatures between 8.7°C and 17.1°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (17% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Naples

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

17.1°C

Daytime Peak

Average Low

extreme-cold

8.7°C

Nighttime Low

Feels Like

partly-cloudy-day

17.1°C

🌤️ Feels accurate

Rain Chance

rain

17%

Avg 1.3mm if it rains

Cloud Cover

cloudy

46%

Overcast

Pressure

pressure

1016.1 hPa

Medium volatility

Naples Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

95%Highly Predictable

Based on 10 years of data

Temperature
±2.5°CStable
Precipitation
9-40%Moderate

🎯 This date historically delivers consistent weather 95% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

4.6Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 17 min to burn

Type III-IV

🟡 26 min to burn

Type V-VI

🟢 43 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

79Good
TemperatureMild
HumidityMuggy
WindBreezy

Dew Point

12.4°C

Pleasant

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
15.9°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
0.62m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

❄️ Cold Water Hazard

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Italy

Flight Traffic

High

91/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~135

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Naples

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:35

☀️ Noon

12:05

🌇 Sunset

18:36

⏱️ Daylight

13h 1m

Golden Hour
Morning05:35 - 06:11
17:59 - 18:36Evening

Wind Speed

wind

16.2 km/h

Gentle breeze

Sunshine

clear-day

11.0 hrs

Direct Sun (Cloud-free)

Humidity

humidity

74%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Naples

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Naples

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

86/100

Tourist Crowds

🟡 Busy

70/100

Price Level

💰💰 Moderate

75/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1016.1 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
65AQI
Moderate
PM2.5 Concentration13.1 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Medium

Seismic Activity

Moderate seismic activity. Occasional tremors possible.

Total events (30y):39
In Apr (30y):1
Last in Apr:1997-04-04
💡 Occasional tremors possible. Know your hotel's evacuation route.
Very High

Volcanic Activity

Nearest: Mount Vesuvius

13.8km away

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Naples on April 9 averages 17.1°C with a 17% precipitation probability. Wedding/Outdoor Event Score: 91/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Naples Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2017
23.2°C
Coldest
2021
1.4°C
Rainiest
2023
10.9mm

Compare Other Cities

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📍 Is Naples Worth Visiting on April 9?

Planning a trip to Naples on April 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 17.1°C with a 17% historical precipitation risk.

✈️ Travel Logistics: Approximately 135 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 7 vaccinations are recommended for Italy, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 15.9°C (polar plunge). Wave conditions are generally fun waves with heights around 0.62m.

📊 Historical Extremes: The hottest April 9 recorded in the last 30 years saw temperatures hit 23.2°C in 2017, while the coldest dropped to 1.4°C in 2021.

Naples Weather FAQ