December 17 is statistically one of the best days of the year in Valletta. With minimal rain risk (14%) and pleasant highs of 17°C, it's ideal for outdoor adventures. It's a lively time to explore Valletta, with most attractions operating at full capacity.
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Essential Travel Info for Valletta
Currency
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€ Euro
Language
English
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Driving
Left side
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Many businesses (restaurants, hotels etc...
Valletta Weather Forecast for December 17
"Mild & Comfortable. Expect average highs of 16.5°C. 14% chance of rain."
What to Wear in Valletta in December
Based on historical data for December 17, Valletta typically experiences temperatures between 13.5°C and 16.5°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (14% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Valletta
Smart Suitcase
- Light Jacket
- Long Pants
Average High
16.5°C
Daytime Peak
Average Low
13.5°C
Nighttime Low
Feels Like
16.5°C
🌤️ Feels accurate
Rain Chance
14%
Avg 0.7mm if it rains
Cloud Cover
47%
Overcast
Pressure
1020 hPa
Medium volatility
Valletta Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
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?
Dew Point
11.2°C
Pleasant
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
Marine Conditions
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
Wind Speed
33.5 km/h
Fresh breeze
Sunshine
7.5 hrs
Direct Sun (Cloud-free)
Humidity
71%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Valletta
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Valletta
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Valletta on December 17 averages 16.5°C with a 14% precipitation probability. Wedding/Outdoor Event Score: 83/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Valletta Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
December 14
17.1°C • 14% rain
Score
84
December 15
17°C • 13% rain
Score
84
December 16
16.8°C • 14% rain
Score
84
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 17) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Valletta Worth Visiting on December 17?
Planning a trip to Valletta on December 17? 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 16.5°C with a 14% 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 1.45m.
📊 Historical Extremes: The hottest December 17 recorded in the last 30 years saw temperatures hit 18.6°C in 2019, while the coldest dropped to 9.7°C in 2021.