30YearWeather
Siena, April 29
Siena street view during April
Historical Weather Analysis

Siena Weather on April 29 — Best Time to Visit?

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

cloudy

19.4°C

High

8.6°C

Low

33%

Rain

🌤️ Feels like 19.4°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

April 29 is generally a great time to visit Siena. While there is a slight chance of rain (33%), showers are usually brief. Expect comfortable 19°C weather. Expect a bustling atmosphere in Siena right now—this is when the city truly comes alive with visitors.

Currency

EUR

Euro

Language

Italian

+1 more

Driving

Right side

Safety

High Safety

GPI: 1.643

Siena Weather Forecast for April 29

"Mild & Comfortable. Expect average highs of 19.4°C. 33% chance of rain."

What to Wear in Siena in April

Based on historical data for April 29, Siena typically experiences temperatures between 8.6°C and 19.4°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 33% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Siena

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants
  • Umbrella

Average High

extreme-hot

19.4°C

Daytime Peak

Average Low

extreme-cold

8.6°C

Nighttime Low

Feels Like

partly-cloudy-day

19.4°C

🌤️ Feels accurate

Rain Chance

rain

33%

Avg 2.2mm if it rains

Cloud Cover

cloudy

62%

Overcast

Pressure

pressure

1014.1 hPa

Medium volatility

Siena Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

91%Highly Predictable

Based on 10 years of data

Temperature
±3.1°CModerate
Precipitation
17-50%Moderate

🎯 This date historically delivers consistent weather 91% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.8Moderate
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

🔴 21 min to burn

Type III-IV

🟡 32 min to burn

Type V-VI

🟢 53 min to burn

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

Outdoor Comfort

How pleasant is it outside?

82Excellent
TemperatureMild
HumidityMuggy
WindLight Breeze

Dew Point

14.8°C

Pleasant

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Italy

Flight Traffic

High

84/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~54

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Siena

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:12

☀️ Noon

12:13

🌇 Sunset

19:14

⏱️ Daylight

14h 1m

Golden Hour
Morning05:12 - 05:51
18:34 - 19:14Evening

Wind Speed

wind

12.9 km/h

Gentle breeze

Sunshine

clear-day

10.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

75%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Siena

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 Siena

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

74/100

Tourist Crowds

🟡 Busy

70/100

Price Level

💰💰 Moderate

75/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1014.1 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
57AQI
Moderate
PM2.5 Concentration9.8 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):43
In Apr (30y):4
Last in Apr:2006-04-17
💡 Occasional tremors possible. Know your hotel's evacuation route.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Siena on April 29 averages 19.4°C with a 33% precipitation probability. Wedding/Outdoor Event Score: 90/100."

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

Siena Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2018
24.6°C
Coldest
2017
3.7°C
Rainiest
2021
17.1mm

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 (April 29) in other destinations

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📍 Is Siena Worth Visiting on April 29?

Planning a trip to Siena on April 29? 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 19.4°C with a 33% historical precipitation risk.

✈️ Travel Logistics: Approximately 54 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 April 29 recorded in the last 30 years saw temperatures hit 24.6°C in 2018, while the coldest dropped to 3.7°C in 2017.

Siena Weather FAQ