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Arima Weather in October
October in Arima sees daytime temperatures around 31°C (88°F) and lows of 25°C (77°F) at night. With around 162 mm (6.4 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Arima in October
You can expect rain on around 21 days based on historical patterns, with 162 mm (6.4 in) average for the month. This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Arima in October
In October, Arima gets very high temperatures, with highs of 31°C (88°F). Nights cool to around 25°C (77°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Arima in October
The month enjoys around 206 hours of sunshine, creating mostly sunny days with good weather conditions.
Average water temperature in October
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, October may not be the ideal month to visit Arima. Our weather planner can help you explore destinations with more pleasant weather conditions.
Arima Temperature in October
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Water Temperature
28°C (82°F) *
Chance of Rain
69%
Precipitation
162 mm (6.4 in)
Rainy days
21 days
Humidity
85% *
Sunshine
206 hours *
Percentage Sunshine
*
* Data from: Trinidad, Trinidad & Tobago (7 KM, 4 Miles).
Arima Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Arima - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Arima typically stay consistent throughout October, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in October
Historical weather records for Arima in October
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 October
Our historical data for Arima spans 2005 to 2025, revealing these weather extremes.
- On October 17, 2016, temperatures climbed to 36°C (97°F), marking the warmest October day on record.
- The coldest October day was on October 5, 2022, with a maximum of 25°C (77°F).
- Arima registered its coldest October night on October 22, 2011, with temperatures dropping to 21°C (70°F).
- The wettest October day on record brought 100 mm (3.9 in) of precipitation to Arima (October 6, 2022).
Best Places in Trinidad & Tobago in October
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 October →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Arima in October
Warm but pleasant conditions in Arima in October. 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. It's going to pour! Pack a good poncho and prepare for very wet conditions. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Arima in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming8/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Arima 3-Day Forecast
More climate data for Arima
Temperature Rainfall Sunshine Humidity Water Temp
See the full Arima climate overview or explore weather in Trinidad & Tobago.
Popular in October
Where to go in October - average daytime high across popular destinations.
Piarco
31°C (88°F) Castara29°C (84°F) Crown Point29°C (84°F) San Juan
30°C (86°F) Buccoo29°C (84°F) Scarborough29°C (84°F) Bon Accord Village29°C (84°F) Port-of-Spain30°C (86°F) Bucket list
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