30YearWeather
Valletta, December 18
Valletta street view during December
Historical Weather Analysis

Valletta Weather on December 18 — Best Time to Visit?

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

partly-cloudy-day

16.3°C

High

13.3°C

Low

16%

Rain

🌤️ Feels like 16.3°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

December 18 is generally a great time to visit Valletta. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 16°C weather. Valletta is seeing high visitor numbers, so iconic spots may be busier than usual.

Currency

EUR

Euro

Language

English

+1 more

Driving

Left side

Connect

Many businesses (restaurants, hotels etc...

Valletta Weather Forecast for December 18

"Mild & Comfortable. Expect average highs of 16.3°C. 16% chance of rain."

What to Wear in Valletta in December

Based on historical data for December 18, Valletta typically experiences temperatures between 13.3°C and 16.3°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (16% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Valletta

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

16.3°C

Daytime Peak

Average Low

extreme-cold

13.3°C

Nighttime Low

Feels Like

partly-cloudy-day

16.3°C

🌤️ Feels accurate

Rain Chance

rain

16%

Avg 0.9mm if it rains

Cloud Cover

cloudy

49%

Overcast

Pressure

pressure

1020.5 hPa

Medium volatility

Valletta Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

100%Highly Predictable

Based on 10 years of data

Temperature
±1.5°CStable
Precipitation
8-30%Predictable

🎯 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?

72Good
TemperatureMild
HumidityMuggy
WindWindy

Dew Point

11°C

Pleasant

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
19.2°C
🥃 Refreshing Tonic
Avg daily surface temperature
Surf Conditions
1.46m
🌊 Surfers Only
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

⚠️ Mixed Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Malta

Flight Traffic

Busy

72/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~75

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Valletta

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:07

☀️ Noon

11:59

🌇 Sunset

16:51

⏱️ Daylight

9h 43m

Golden Hour
Morning07:07 - 07:47
16:11 - 16:51Evening

Wind Speed

wind

32.4 km/h

Fresh breeze

Sunshine

clear-day

7.2 hrs

Direct Sun (Cloud-free)

Humidity

humidity

71%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Valletta

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 Valletta

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

87/100

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
34AQI
Good
PM2.5 Concentration7.6 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):7
In Dec (30y):2
Last in Dec:2022-12-29
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Valletta on December 18 averages 16.3°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 77/100."

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

Valletta Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2019
18.7°C
Coldest
2021
10.7°C
Rainiest
2023
10.2mm

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 (December 18) in other destinations

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📍 Is Valletta Worth Visiting on December 18?

Planning a trip to Valletta on December 18? 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 16.3°C with a 16% historical precipitation risk.

✈️ Travel Logistics: Approximately 75 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 6 vaccinations are recommended for Malta, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 19.2°C (refreshing tonic). Wave conditions are generally surfers only with heights around 1.46m.

📊 Historical Extremes: The hottest December 18 recorded in the last 30 years saw temperatures hit 18.7°C in 2019, while the coldest dropped to 10.7°C in 2021.

Valletta Weather FAQ