Port of Spain is rarely comfortable to be outside at midday. It comes closest in mid February, and even then it is too hot. For sun, aim for late November to June.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
The sun season here runs from late November to June. It peaks in late January, at 79. The weakest stretch is in September, when it drops to 26, mostly because it is too hot. The clearest skies come in January, when the sky is typically 51% covered at midday (partly cloudy).
Being outside is not what Port of Spain is for: the Easy outdoors rating tops out at 33, mostly because it is too hot.
Walking is not what Port of Spain is for: the Active outdoors rating tops out at 6, mostly because it is too warm.
The year, measured
The average temperature in Port of Spain over the whole year is 27°C. September is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 23°C. The rainy (wet) season in Port of Spain runs from June to December, peaking in June with a 25% chance of rain on a given day. The dry season is January to May; March is the driest month, at 7%. Winds in Port of Spain are highest in May, averaging 3.9 m/s (14 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the E. The clearest skies in Port of Spain come in February, when the sky is typically 39% covered; May is the cloudiest month, at 47%.
Month by month Port of Spain climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 29°C | 23°C | 30°C | 13% | 39% | 3.1 m/s | 17 | 78 | 0 |
| February | 30°C | 23°C | 29°C | 9% | 39% | 3.6 m/s | 27 | 78 | 1 |
| March | 30°C | 24°C | 30°C | 7% | 41% | 3.6 m/s | 18 | 76 | 0 |
| April | 31°C | 25°C | 31°C | 9% | 43% | 3.8 m/s | 8 | 72 | 0 |
| May | 31°C | 25°C | 31°C | 14% | 47% | 3.9 m/s | 7 | 61 | 2 |
| June | 30°C | 25°C | 31°C | 25% | 47% | 3.5 m/s | 6 | 60 | 0 |
| July | 30°C | 25°C | 32°C | 25% | 43% | 2.8 m/s | 3 | 50 | 0 |
| August | 31°C | 25°C | 34°C | 22% | 42% | 2.2 m/s | 1 | 37 | 0 |
| September | 31°C | 25°C | 34°C | 18% | 41% | 2.1 m/s | 3 | 28 | 1 |
| October | 31°C | 25°C | 34°C | 21% | 41% | 2.4 m/s | 3 | 37 | 0 |
| November | 30°C | 25°C | 32°C | 21% | 43% | 2.4 m/s | 3 | 54 | 0 |
| December | 30°C | 24°C | 31°C | 18% | 43% | 2.8 m/s | 10 | 70 | 0 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Port of Spain weather by season
Year round, Port of Spain has days of about 29°C at their warmest in January, its coolest month, and 31°C in September, its warmest; the coolest hours of the day run from 23°C to 25°C through the year, and the average temperature over the year is 27°C around the clock. Rain is most likely around June and least likely around March. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Port of Spain weather in winterDecember to February
Winter in Port of Spain has typical daily highs of about 29°C and lows of about 24°C, with a 13% chance of rain on a given day.
Port of Spain weather in springMarch to May
Spring in Port of Spain has typical daily highs of about 30°C and lows of about 25°C, with a 10% chance of rain on a given day.
Port of Spain weather in summerJune to August
Summer in Port of Spain has typical daily highs of about 30°C and lows of about 25°C, with a 24% chance of rain on a given day.
Port of Spain weather in autumnSeptember to November
Autumn in Port of Spain has typical daily highs of about 31°C and lows of about 25°C, with a 20% chance of rain on a given day.
When is the rainy season in Port of Spain?
The rainy (wet) season in Port of Spain runs from June to December, peaking in June with a 25% chance of rain on a given day. The dry season is January to May; March is the driest month, at 7%.
What time of year is Port of Spain windiest?
Winds in Port of Spain are highest in May, averaging 3.9 m/s (14 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the E.
What is the average temperature in Port of Spain year round?
The average temperature in Port of Spain over the whole year is 27°C. September is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 23°C.
Where to go instead in mid July, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.