Port Louis in May

In May, Port Louis averages 27°C (81°F) during the day and 22°C (72°F) at night, with around 11 days of rain (49 mm total).

Shoulder

Conditions are warm and beach-friendly. Plan for unsettled weather and bring rain gear.

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

27°C
Avg high
22°C
Avg low
11
Rain days
49 mm
Rainfall

How May compares to the rest of the year in Port Louis

8th
warmest month of the 12
7th
wettest month of the 12
5%
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 (8th of 12) and moderately rainy compared to the rest of the year (7th 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

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

Times shown for Port Louis 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 — May

Golden-hour and blue-hour windows for the 15th of May, in Port Louis'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 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'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

Shoulder

Port Louis 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: comfortable tourism weather

Sun & mosquito risk — May in Port Louis

☀️ 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.

Port Louis in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 29°C / 85°F 25°C / 76°F 227 mm 23
February 29°C / 85°F 25°C / 77°F 158 mm 22
March 29°C / 85°F 25°C / 76°F 145 mm 22
April 29°C / 83°F 24°C / 75°F 89 mm 18
May 27°C / 81°F 22°C / 72°F 49 mm 11
June 26°C / 78°F 21°C / 69°F 26 mm 7
July 25°C / 77°F 20°C / 68°F 31 mm 10
August 25°C / 78°F 20°C / 68°F 32 mm 8
September 26°C / 79°F 20°C / 68°F 23 mm 7
October 28°C / 82°F 21°C / 70°F 42 mm 10
November 29°C / 84°F 23°C / 73°F 51 mm 13
December 30°C / 85°F 24°C / 75°F 122 mm 20

Other cities with similar May weather

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

Frequently asked questions

How hot is Port Louis in May?

In May, Port Louis 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 in May?

May can be fairly wet in Port Louis, with about 11 rainy days on average.

Is May a good time to visit Port Louis?

May is warm. 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 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 for a complete, climate-based checklist.

Open Port Louis on the interactive map

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