Port-of-Spain Weather in May
During May, Port-of-Spain experiences high daytime temperatures of 30°C (86°F) and cooler nights around 26°C (79°F). Some rainfall is typical during this period.
Rainfall in Port-of-Spain in May
Based on our climate data of the past 30 years, about 18 days of rain are anticipated, with 58 mm (2.3 in) on average. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Port-of-Spain in May
In May, Port-of-Spain sees high temperatures, with highs of 30°C (86°F). Nights drop to around 26°C (79°F). Overall, the month follows a fairly predictable daily temperature pattern. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Port-of-Spain in May
Expect a lot of sunshine this month, with about 233 hours of sun. These sunny conditions add to the overall experience.
Average water temperature in May
The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.If you prefer dry days with pleasant temperatures, January, February, March, April and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Trinidad & Tobago, check out our Port-of-Spain's climate page.
Port-of-Spain Temperature in May
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Water Temperature
28°C (82°F) *
Chance of Rain
59%
Precipitation
58 mm (2.3 in)
Rainy days
18 days
Humidity
79% *
Sunshine
233 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Port-of-Spain typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in May
Historical weather for Port-of-Spain in May
Browse day-by-day weather records for Port-of-Spain spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Port-of-Spain historical weather extremes in May
Based on 25 years of weather observations (2001-2026), these are the most extreme conditions recorded in Port-of-Spain.
- Port-of-Spain recorded its highest May temperature of 35°C (95°F) on May 6, 2010.
- On May 4, 2021, Port-of-Spain saw its coldest May day with temperatures maxing out at 26°C (79°F).
- The lowest overnight temperature recorded in May was 20°C (68°F) (May 5, 2011).
Best Places in Trinidad & Tobago in May
Find out more about the weather in Trinidad & Tobago and which places have the best travel conditions in this month. See all of Trinidad & Tobago in May →
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What to Wear in Port-of-Spain in May
Warm but pleasant conditions in Port-of-Spain in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Port-of-Spain in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Trinidad & Tobago, check out our Port-of-Spain's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Port-of-Spain climate overview or explore weather in Trinidad & Tobago.
