30YearWeather
Florence, August 18
Florence street view during August
Historical Weather Analysis

Florence Weather on August 18 — Best Time to Visit?

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

extreme-hot

31°C

High

19.1°C

Low

11%

Rain

🔥 Feels like 35.6°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

August 18 is statistically one of the best days of the year in Florence. With minimal rain risk (11%) and pleasant highs of 31°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Florence right now—this is when the city truly comes alive with visitors.

Currency

EUR

Euro

Language

Italian

+1 more

Driving

Right side

Connect

Florence has 5G from all Italian carrier...

Safety

High Safety

GPI: 1.643

Florence Weather Forecast for August 18

"Warm & Sunny. Expect average highs of 31°C. 11% chance of rain."

What to Wear in Florence in August

Based on historical data for August 18, Florence typically experiences temperatures between 19.1°C and 31°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (11% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Florence

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

31°C

Daytime Peak

Average Low

extreme-cold

19.1°C

Nighttime Low

Feels Like

partly-cloudy-day

35.6°C

🔥 Feels warmer

Rain Chance

rain

11%

Avg 0.3mm if it rains

Cloud Cover

cloudy

33%

Overcast

Pressure

pressure

1014.1 hPa

Low volatility

Florence Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

96%Highly Predictable

Based on 10 years of data

Temperature
±2.7°CModerate
Precipitation
6-20%Predictable

🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

5Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 16 min to burn

Type III-IV

🟡 24 min to burn

Type V-VI

🟢 40 min to burn

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

Outdoor Comfort

How pleasant is it outside?

64Moderate
TemperatureHot
HumidityHumid
WindLight Breeze

Dew Point

23.1°C

Humid/Sticky

Heat Index

35.6°C

Feels hotter

😐 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Italy

Flight Traffic

High

100/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~64

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Florence

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:23

☀️ Noon

12:20

🌇 Sunset

19:16

⏱️ Daylight

13h 53m

Golden Hour
Morning05:23 - 06:03
18:37 - 19:16Evening

Wind Speed

wind

12.3 km/h

Gentle breeze

Sunshine

clear-day

12.0 hrs

Direct Sun (Cloud-free)

Humidity

humidity

63%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Florence

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 Florence

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

91/100

Tourist Crowds

🔴 Very Busy

100/100

Price Level

💰💰💰 Expensive

100/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1014.1 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
63AQI
Moderate
PM2.5 Concentration14.3 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):88
In Aug (30y):2
Last in Aug:2000-08-01
💡 Occasional tremors possible. Know your hotel's evacuation route.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Florence on August 18 averages 31°C with a 11% precipitation probability. Wedding/Outdoor Event Score: 99/100."

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

Florence Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2017
35.6°C
Coldest
2019
17.5°C
Rainiest
2022
15.1mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (August 18) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Florence Worth Visiting on August 18?

Planning a trip to Florence on August 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 31°C with a 11% historical precipitation risk.

✈️ Travel Logistics: Approximately 64 landing slots available daily during this period, indicating manageable crowd levels.

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

📊 Historical Extremes: The hottest August 18 recorded in the last 30 years saw temperatures hit 35.6°C in 2017, while the coldest dropped to 17.5°C in 2019.

Florence Weather FAQ