30YearWeather
Port Louis, December 9
Port Louis street view during December
Historical Weather Analysis

Port Louis Weather on December 9 — Best Time to Visit?

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

cloudy

29.6°C

High

23.9°C

Low

31%

Rain

🔥 Feels like 35°C (humidity)

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

December 9 is generally a great time to visit Port Louis. While there is a slight chance of rain (31%), showers are usually brief. Expect comfortable 30°C weather. Expect a bustling atmosphere in Port Louis right now—this is when the city truly comes alive with visitors.

Currency

MUR

Mauritian rupee

Language

English

+2 more

Driving

Left side

Safety

High Safety

GPI: 1.57

Port Louis Weather Forecast for December 9

"Warm & Sunny. Expect average highs of 29.6°C. 31% chance of rain."

What to Wear in Port Louis in December

Based on historical data for December 9, Port Louis typically experiences temperatures between 23.9°C and 29.6°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 31% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Port Louis

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

29.6°C

Daytime Peak

Average Low

extreme-cold

23.9°C

Nighttime Low

Feels Like

partly-cloudy-day

35°C

🔥 Heat index effect

Rain Chance

rain

31%

Avg 1.7mm if it rains

Cloud Cover

cloudy

51%

Light drizzle

Pressure

pressure

1014.8 hPa

Low volatility

Port Louis Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

73%Reliable

Based on 10 years of data

Temperature
±1.6°CStable
Precipitation
16-80%Unpredictable

Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

7.2High
036811+

Protection Needed

SPF 30+ required, seek shade

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 18:00

Peak danger: 09:30 - 13:30
Time to Sunburn

Type I-II

🔴 11 min to burn

Type III-IV

🟡 17 min to burn

Type V-VI

🟢 28 min to burn

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

Outdoor Comfort

How pleasant is it outside?

48Poor
TemperatureHot
HumidityMuggy
WindBreezy

Dew Point

24.5°C

Humid/Sticky

Heat Index

35°C

Feels hotter

😕 Best outdoor time:
Morning hours (before 11 AM)

Marine Conditions

Water Temp
27.4°C
🛁 Tropical Bath
Avg daily surface temperature
Surf Conditions
0.84m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Mauritius

Flight Traffic

High

100/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~39

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Port Louis

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:24

☀️ Noon

12:03

🌇 Sunset

18:42

⏱️ Daylight

13h 18m

Golden Hour
Morning05:24 - 05:55
18:11 - 18:42Evening

Wind Speed

wind

22.8 km/h

Moderate wind

Sunshine

clear-day

11.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

74%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Port Louis

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 Port Louis

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

75/100

Tourist Crowds

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1014.8 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
22AQI
Good
PM2.5 Concentration5.3 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!
Moderate

Cyclone Risk

Season: Apr - Dec

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Port Louis on December 9 averages 29.6°C with a 31% precipitation probability. Wedding/Outdoor Event Score: 88/100."

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

Port Louis Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2025
32.1°C
Coldest
2022
23°C
Rainiest
2023
42.5mm

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 9) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Port Louis Worth Visiting on December 9?

Planning a trip to Port Louis on December 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.6°C with a 31% historical precipitation risk.

✈️ Travel Logistics: Approximately 39 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 8 vaccinations are recommended for Mauritius, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 27.4°C (tropical bath). Wave conditions are generally fun waves with heights around 0.84m.

📊 Historical Extremes: The hottest December 9 recorded in the last 30 years saw temperatures hit 32.1°C in 2025, while the coldest dropped to 23°C in 2022.

Port Louis Weather FAQ