Port of Spain weather in March

March in Port of Spain: hot, dry, with clean air — one of the best months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Port of Spain🇹🇹 Trinidad and Tobago · Southern Caribbean · City77
  1. 75Jan
  2. 77Feb
  3. 77Mar
  4. 74Apr
  5. 71May
  6. 65Jun
  7. 63Jul
  8. 64Aug
  9. 66Sep
  10. 63Oct
  11. 65Nov
  12. 70Dec

#2 of 12 months in Port of Spain · #637 of 1413 destinations to visit in March · comfort 77/100 (tier B)

Days
30°C
Nights
24°C
Wet days
6
Sun
11 h
Humidity
75%
Daylight
12 h
Port of Spain, Trinidad and Tobago
Photo: DizzyNN · CC BY-SA 4.0

Traveller notes on Port of Spain in March

Notes from nearby Tobago (102 km away)

Port of Spain doesn't have its own notes for March yet — these are about Tobago, close enough to share the season.

Tobago forum threads describe March as sitting at the tail end of the high season - the stretch from just before Christmas through mid-March when the island is busiest and pricier, coinciding with the driest, sunniest weather. Posters were candid that this dry stretch also means the landscape looks less lush than during the rainy season, when everything turns lush and green instead. A recurring theme across threads: weather patterns here have become noticeably less predictable over the past couple of decades, with some dry-season years bringing real rain and some wet-season years staying surprisingly dry. The sea was described as generally calming down after the Christmas period, though that's not guaranteed either.
TrinidadTobagoRegular · March · 1 month ago · about Tobago · Read more on Tripadvisor ↗

Other months in Port of Spain

Detailed July-specific trip reports for Port of Spain are relatively thin on the forum, with more discussion focused on rainy-season logistics generally than granular July detail. Posters discussing the broader Trinidad and Tobago rainy season, which runs roughly June through December, describe frequent, often heavy but typically short-lived downpours rather than sustained all-day rain, consistent with the wet-season pattern across this part of the southern Caribbean. Given the limited destination-specific detail for this exact month, this note leans on that broader seasonal cue: July sits within the wetter half of the year for Port of Spain, with hot, humid conditions and a real, near-daily chance of rain that visitors should plan flexible outdoor time around.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗
Forum coverage of Port of Spain's January weather specifically is thin, with one poster's thread title itself suggesting rain is a real enough possibility to plan a visit around potentially rainy days. Given the limited detailed trip reports available, the broader Caribbean January pattern - the drier, cooler half of the year across most of the region - is the most useful general guide, though Trinidad's position further south and closer to the South American coast means its climate runs a bit more humid and rain-prone year-round than islands further north in the Caribbean chain. Posters generally recommend having backup indoor plans in case a January day in Port of Spain does turn rainy.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Port of Spain's card on the map.

Port of Spain climate normals — March

Daytime high30°C / 86°F🥵 hot
Nighttime low24°C / 74°F
Feels like (high)32°C / 90°F
Sea temperature28°C / 82°F😎 warm sea
Rainfall18 mm / 0.7 in☀️ dry
Rainy days6 days
Humidity75%💧 humid
Dew point22°C / 71°F
Sunshine11 h/day
Daylight12.1 h
Wind28 km/h / 17 mph
Air quality (US AQI)44🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Port of Spain in March

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusyTrinidad Carnival, school holidays in 2 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Port of Spain's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherPort of Spain's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

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What's on in Port of Spain in March

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Dry season

    1 Jan – 31 May · usually

    The northern range dries out and the tracks up to Maracas and the waterfalls are walkable. It is also when the bush fires get going on the hillsides above the city and the afternoons turn hazy.

  • Festival

    Trinidad Carnival

    6 Jan – 10 Mar · usuallyCrowdedBook early

    The season runs from just after Christmas — panyards rehearsing nightly, Panorama, the fetes — to J'ouvert before dawn on Carnival Monday and the Parade of the Bands on Tuesday. Rooms are taken a year out and priced accordingly. Source ↗

  • Nature

    Leatherback nesting

    1 Mar – 31 Aug · usuallyTurtle nesting

    Trinidad has one of the densest leatherback rookeries anywhere, on the north-coast beaches at Grande Riviere and Matura. Both are a long drive from the capital and both need a permit and a guide after dark. Source ↗

What's on around the world in March →

Nearby, and something's on

Within 300 km of Port of Spain — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Port of Spain?

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Port of Spain in March — FAQ

Is March a good time to visit Port of Spain?
March in Port of Spain: hot, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for Port of Spain on SeasonMap's comfort score (77/100).
What is the weather like in Port of Spain in March?
In March, Port of Spain averages a daily high of 29.9°C and a low of 23.6°C, with about 18 mm of rain over roughly 5.6 rainy days.
What is the air quality in Port of Spain in March?
Port of Spain has a mean US Air Quality Index of about 44 in March.

Within 300 km: Tobago's Leatherback nesting around 1 Mar – 31 Aug.