Arima Weather in May
May in Arima brings very high temperatures around 31°C (88°F) during the day, dropping to 25°C (77°F) at night, with quite a bit of rainfall expected, averaging around 78 mm (3.1 in) for the month.
Rainfall in Arima in May
You can expect rain on around 19 days based on historical patterns, with 78 mm (3.1 in) average for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Arima in May
In May, Arima gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 25°C (77°F). It's usually most comfortable outside during the morning and later in the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Arima in May
There are approximately 233 hours of sunshine this month, resulting in mostly clear days.
Average water temperature in May
The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.If you prefer dry days with pleasant temperatures, January and February 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 Arima's climate page.
Arima Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Water Temperature
28°C (82°F) *
Chance of Rain
64%
Precipitation
78 mm (3.1 in)
Rainy days
19 days
Humidity
79% *
Sunshine
233 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Arima typically stay consistent throughout May, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in May
Historical weather for Arima in May
Browse day-by-day weather records for Arima spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Arima historical weather extremes in May
The extremes listed below come from historical weather data collected in Arima from 2001 through 2025.
- On May 4, 2010, temperatures climbed to 35°C (95°F), marking the warmest May day on record.
- Arima experienced its chilliest May day on May 4, 2021, reaching only 26°C (79°F).
- Arima registered its coldest May night on May 5, 2011, with temperatures dropping to 19°C (66°F).
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 Arima in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple 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 Arima 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 Arima's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Arima climate overview or explore weather in Trinidad & Tobago.
