30YearWeather
Alghero, December 20
Alghero street view during December
Historical Weather Analysis

Alghero Weather on December 20 — Best Time to Visit?

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

cloudy

14.4°C

High

9.3°C

Low

22%

Rain

🌤️ Feels like 14.2°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

December 20 is generally a great time to visit Alghero. While there is a slight chance of rain (22%), showers are usually brief. Expect comfortable 14°C weather. You'll find plenty of company in Alghero this month as tourism activity remains quite robust.

Currency

EUR

Euro

Language

Italian

+1 more

Driving

Right side

Safety

High Safety

GPI: 1.643

Alghero Weather Forecast for December 20

"Mild & Comfortable. Expect average highs of 14.4°C. 22% chance of rain."

What to Wear in Alghero in December

Based on historical data for December 20, Alghero typically experiences temperatures between 9.3°C and 14.4°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (22% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Alghero

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

14.4°C

Daytime Peak

Average Low

extreme-cold

9.3°C

Nighttime Low

Feels Like

partly-cloudy-day

14.2°C

🌤️ Feels accurate

Rain Chance

rain

22%

Avg 1.3mm if it rains

Cloud Cover

cloudy

53%

Overcast

Pressure

pressure

1020.5 hPa

Medium volatility

Alghero Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

100%Highly Predictable

Based on 10 years of data

Temperature
±1.8°CStable
Precipitation
11-40%Moderate

🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0Low
036811+

Protection Needed

SPF 15 for extended outdoor time

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

Outdoor Comfort

How pleasant is it outside?

65Good
TemperatureCool
HumidityMuggy
WindBreezy

Dew Point

10.8°C

Pleasant

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
16.3°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
1.59m
🌊 Surfers Only
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

Busy

76/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~13

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Alghero

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:47

☀️ Noon

12:25

🌇 Sunset

17:03

⏱️ Daylight

9h 16m

Golden Hour
Morning07:47 - 08:31
16:19 - 17:03Evening

Wind Speed

wind

20 km/h

Moderate wind

Sunshine

clear-day

7.1 hrs

Direct Sun (Cloud-free)

Humidity

humidity

79%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Alghero

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 Alghero

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

82/100

Tourist Crowds

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1020.5 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexPoor

High pressure may reduce activity.

Air Quality Forecast
21AQI
Good
PM2.5 Concentration3.7 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Alghero on December 20 averages 14.4°C with a 22% precipitation probability. Wedding/Outdoor Event Score: 92/100."

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

Alghero Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2020
16.8°C
Coldest
2017
5.2°C
Rainiest
2016
14.9mm

Better Alternatives Nearby

Consider these dates within ±7 days

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

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Same date (December 20) in other destinations

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📍 Is Alghero Worth Visiting on December 20?

Planning a trip to Alghero on December 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 14.4°C with a 22% historical precipitation risk.

✈️ Travel Logistics: Approximately 13 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 16.3°C (polar plunge). Wave conditions are generally surfers only with heights around 1.59m.

📊 Historical Extremes: The hottest December 20 recorded in the last 30 years saw temperatures hit 16.8°C in 2020, while the coldest dropped to 5.2°C in 2017.

Alghero Weather FAQ