Port Louis (Mauritius) in January

In January, Port Louis (Mauritius) averages 29°C (85°F) during the day and 25°C (76°F) at night, with frequent rain — about 29 days of the month see precipitation (227 mm total).

Shoulder

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

It's peak cyclone season in Port Louis (Mauritius) during January. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.

29°C
Avg high
25°C
Avg low
29
Rain days
227 mm
Rainfall

How January compares to the rest of the year in Port Louis (Mauritius)

2nd
warmest month of the 12
1st
wettest month of the 12
23%
of yearly rainfall falls in January
13 h 13 min
daylight on the 15th

January is one of the warmest months in Port Louis (Mauritius) (2nd of 12) and one of the wettest months (1st of 12). Daytime temperature runs 2°C above the annual average (28°C). January runs roughly the same as December (30°C) and stays flat into February.

January sunrise & sunset in Port Louis (Mauritius)

🌅
Sunrise (15th)
5:42 AM
🌇
Sunset (15th)
6:55 PM
Day length
13 h 13 min

Times shown for Port Louis (Mauritius) local time (Indian/Mauritius), calculated for the 15th of January. They shift by a few minutes day to day across the month.

Photography light in Port Louis (Mauritius) — January

Golden-hour and blue-hour windows for the 15th of January, in Port Louis (Mauritius)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:42 AM – 5:22 AM
🌄 Golden hour (AM)
5:22 AM – 6:22 AM
🌇 Golden hour (PM)
6:15 PM – 7:15 PM
🌆 Blue hour (PM)
7:15 PM – 7:55 PM
Milky Way galactic core
Poor
Core barely rises (or hasn't yet returned for the season). Consider a different month.

📅 When to book — Port Louis (Mauritius) in January

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on January's tier (Shoulder) and Port Louis (Mauritius)'s popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel. ⚠ Peak hazard season — book flexible-change tickets and travel insurance with weather-disruption coverage.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.
⚠ Christmas / New Year travel is a global premium-pricing event — many destinations 30-50% above normal. Book 4+ months ahead if your dates are Dec 20 - Jan 2.

Crowds & pricing — January in Port Louis (Mauritius)

Shoulder

Port Louis (Mauritius) is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: Southern Hemisphere summer holidays peak hazard season (1 active)

Sun & mosquito risk — January in Port Louis (Mauritius)

☀️ UV Index (noon, 15th)
13
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Port Louis (Mauritius) — January

28.1°C (83°F)
bath-warm
tropical and comfortable for hours

Across the year Port Louis (Mauritius)'s sea swings from 24.4°C (September) to 28.2°C (March) — January sits at 28.1°C.

Port Louis (Mauritius) in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 29°C / 85°F 25°C / 76°F 227 mm 29
February 29°C / 85°F 25°C / 77°F 158 mm 27
March 29°C / 85°F 25°C / 76°F 144 mm 28
April 29°C / 83°F 24°C / 75°F 95 mm 26
May 27°C / 81°F 22°C / 72°F 42 mm 21
June 26°C / 78°F 21°C / 69°F 25 mm 19
July 25°C / 77°F 20°C / 68°F 31 mm 22
August 25°C / 77°F 20°C / 68°F 32 mm 19
September 26°C / 79°F 20°C / 68°F 23 mm 18
October 28°C / 82°F 21°C / 71°F 43 mm 20
November 29°C / 84°F 23°C / 73°F 51 mm 22
December 30°C / 85°F 24°C / 75°F 123 mm 24

Other cities with similar January weather

🌍 See the full ranked list of climate twins for Port Louis (Mauritius) in January →

Frequently asked questions

How hot is Port Louis (Mauritius) in January?

In January, Port Louis (Mauritius) averages a high of 29°C (85°F) and a low of 25°C (76°F) — generally warm.

Does it rain a lot in Port Louis (Mauritius) in January?

January is quite rainy in Port Louis (Mauritius), with about 29 rainy days on average.

Is January a good time to visit Port Louis (Mauritius)?

January is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Port Louis (Mauritius) in January?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full January packing list for Port Louis (Mauritius) for a complete, climate-based checklist.

Open Port Louis (Mauritius) on the interactive map

Check the live 10-day forecast and sunrise/sunset.