Port Louis (Mauritius) in May

In May, Port Louis (Mauritius) averages 27°C (81°F) during the day and 22°C (72°F) at night, with frequent rain — about 21 days of the month see precipitation (42 mm total).

Shoulder

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

May offers comfortable temperatures in Port Louis (Mauritius), with some rain to plan around.

27°C
Avg high
22°C
Avg low
21
Rain days
42 mm
Rainfall

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

8th
warmest month of the 12
8th
wettest month of the 12
4%
of yearly rainfall falls in May
11 h 10 min
daylight on the 15th

May is in the middle of the year for warmth in Port Louis (Mauritius) (8th of 12) and moderately rainy compared to the rest of the year (8th of 12). Daytime temperature matches the city's annual average. May runs 1°C cooler than April (29°C) and cools 2°C in June (26°C).

May sunrise & sunset in Port Louis (Mauritius)

🌅
Sunrise (15th)
6:31 AM
🌇
Sunset (15th)
5:41 PM
Day length
11 h 10 min

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

Photography light in Port Louis (Mauritius) — May

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

🌅 Blue hour (AM)
5:31 AM – 6:11 AM
🌄 Golden hour (AM)
6:11 AM – 7:11 AM
🌇 Golden hour (PM)
5:01 PM – 6:01 PM
🌆 Blue hour (PM)
6:01 PM – 6:41 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

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

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 May'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.
🏨 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.

Crowds & pricing — May 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.

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

☀️ UV Index (noon, 15th)
9.3
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 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) — May

27°C (81°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) — May sits at 27°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 May weather

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

Frequently asked questions

How hot is Port Louis (Mauritius) in May?

In May, Port Louis (Mauritius) averages a high of 27°C (81°F) and a low of 22°C (72°F) — generally warm.

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

May is quite rainy in Port Louis (Mauritius), with about 21 rainy days on average.

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

May 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 May?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full May 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.