Arima, Trinidad and Tobago experiences average highs of 30°C (86°F) and lows of 24°C (75°F) throughout the year. Rainfall is frequent, averaging about 19 rainy days per month. Sunshine is abundant, averaging about 11 hours per day. High humidity combined with warm temperatures produces a tropical feel year-round. Average highs have cooled by 0.6°C (1.1°F) across the available records.
Arima, Trinidad and Tobago Weather & Climate 2026
Monthly climate averages for Arima, Trinidad and Tobago. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Jun–Nov At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.1/10
Best: January, February, March, December
UV Index
8
High
Temperature 30°C / 24°C
Feels Like 34°C / 28°C
Rainy Days 19
Rainfall 118 mm
Sunshine 11 h
Humidity 80%
Wind Speed 15 km/h
Dew Point 23°C
Hottest Month
31°C
April
Avg Low25°C
Rain10days
Coldest Month
23°C
January
Avg High28°C
Rain13days
Driest Month
10days
February
Avg High29°C
Avg Low24°C
Windiest Month
17 km/h
February (Gusts 44)
Worst Time to Visit
Consider avoiding August, September, October due to extreme heat, heavy rainfall, oppressive humidity.
Sun Position
Sunrise 05:45
Daylight 12.7h
Sunset 18:29
Live conditions—
Arima on the map · live conditions
Arima, Trinidad and Tobago
- Continent
- Americas
- Country
- Trinidad and Tobago
- City
- Arima
- Population
- 35K
- Coordinates
- 10.64°, -61.28°
Seasonal Breakdown
Spring
Mar–May
Avg High 30°C
Avg Low 24°C
Rain 12 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 30°C
Avg Low 25°C
Rain 26 days/mo
Autumn
Sep–Nov
Avg High 30°C
Avg Low 25°C
Rain 24 days/mo
Winter
Dec–Feb
Avg High 29°C
Avg Low 24°C
Rain 14 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 28°C / 23°C . Feb: 29°C / 24°C . Mar: 30°C / 24°C . Apr: 31°C / 25°C . May: 30°C / 25°C . Jun: 29°C / 25°C . Jul: 29°C / 24°C . Aug: 30°C / 25°C . Sep: 30°C / 25°C . Oct: 30°C / 25°C . Nov: 29°C / 25°C . Dec: 28°C / 24°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 50 mm. Feb: 29 mm. Mar: 38 mm. Apr: 59 mm. May: 83 mm. Jun: 165 mm. Jul: 175 mm. Aug: 187 mm. Sep: 147 mm. Oct: 194 mm. Nov: 181 mm. Dec: 108 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 78%. Feb: 74%. Mar: 73%. Apr: 73%. May: 77%. Jun: 82%. Jul: 84%. Aug: 84%. Sep: 83%. Oct: 84%. Nov: 85%. Dec: 83%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 17 km/h . Mar: 17 km/h . Apr: 16 km/h . May: 17 km/h . Jun: 16 km/h . Jul: 14 km/h . Aug: 12 km/h . Sep: 11 km/h . Oct: 13 km/h . Nov: 13 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 11h. Feb: 11h. Mar: 11h. Apr: 11h. May: 11h. Jun: 10h. Jul: 11h. Aug: 11h. Sep: 11h. Oct: 10h. Nov: 10h. Dec: 10h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 8. Mar: UV 9. Apr: UV 9. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 9. Sep: UV 9. Oct: UV 8. Nov: UV 8. Dec: UV 7.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have cooled by 0.6°C (1.1°F) across the available records. Average rainfall is trending wetter by about 25 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Oct 2025 · 31°C | Apr · 31°C |
| Coldest month | Jan 2025 · 24°C | Jan · 23°C |
| Wettest month | Jun 2025 · 192 mm | Oct · 194 mm |
| Windiest month | Feb 2025 · 18 km/h | Feb · 17 km/h |
Month-by-Month Weather Table
January best
Fair 
February best
Fair March best
Fair April
Fair May
Poor June
Wet July
Wet August
Wet September
Wet October
Wet November
Wet December best
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 28°C / 23°C | 32°C / 26°C | 13days (50 mm) Wet | 10.6h Excellent | 78% Humid | 7.6 Very High | Fair | View Details |
| February best | 29°C / 24°C | 32°C / 26°C | 10days (29 mm) Wet | 10.7h Excellent | 74% Muggy | 8.4 Very High | Fair | View Details |
| March best | 30°C / 24°C | 33°C / 27°C | 11days (38 mm) Wet | 11h Excellent | 73% Muggy | 8.9 Very High | Fair | View Details |
| April | 31°C / 25°C | 34°C / 28°C | 10days (59 mm) Wet | 11.2h Excellent | 73% Muggy | 8.8 Very High | Fair | View Details |
| May | 30°C / 25°C | 35°C / 29°C | 16days (83 mm) Wet | 11.1h Excellent | 77% Humid | 8.2 Very High | Poor | View Details |
| June | 29°C / 25°C | 34°C / 28°C | 24days (165 mm) Wet | 10.4h Excellent | 82% Humid | 8.1 Very High | Wet | View Details |
| July | 29°C / 24°C | 35°C / 29°C | 27days (175 mm) Wet | 10.7h Excellent | 84% Humid | 8.4 Very High | Wet | View Details |
| August | 30°C / 25°C | 36°C / 29°C | 27days (187 mm) Wet | 10.8h Excellent | 84% Humid | 8.6 Very High | Wet | View Details |
| September | 30°C / 25°C | 37°C / 30°C | 23days (147 mm) Wet | 10.7h Excellent | 83% Humid | 8.6 Very High | Wet | View Details |
| October | 30°C / 25°C | 36°C / 29°C | 24days (194 mm) Wet | 10.1h Excellent | 84% Humid | 8.1 Very High | Wet | View Details |
| November | 29°C / 25°C | 34°C / 29°C | 24days (181 mm) Wet | 9.9h Good | 85% Humid | 7.5 Very High | Wet | View Details |
| December best | 28°C / 24°C | 33°C / 27°C | 19days (108 mm) Wet | 10.1h Excellent | 83% Humid | 7.1 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Arima are January, February, March, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Arima, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Arima is April, with average daytime highs of 31°C (87°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Arima is January, with average overnight lows of 23°C (74°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Arima is October, averaging 194mm of precipitation across 24 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Arima runs through July, August, June, October, with the heaviest rainfall in July. Based on 10-year averages for Arima.
Arima receives approximately 127 sunshine hours per year. The sunniest month is April with around 11 hours. Based on climate data for Arima.
The least favorable months to visit Arima are August, September, October, primarily due to extreme heat, heavy rainfall, oppressive humidity. For the best conditions, consider January, February, March, December instead.
The annual average UV index in Arima is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Arima is 80%, classified as humid. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Arima are 15 km/h (9 mph). The windiest month is February with peak winds reaching 17 km/h (11 mph) (gusts up to 44 km/h / 27 mph).
Arima averages 1 clear-sky days per month with overall cloud cover around 63%. The clearest skies occur in January.
The annual average dew point in Arima is 23°C (73°F), which feels muggy and uncomfortable. Expect heavy perspiration during warmer months — stay hydrated and take breaks in air-conditioned spaces.
Arima has a Tropical Monsoon climate, classified as Am under the Köppen system. Tropical climates are warm year-round with high rainfall and temperatures rarely dropping below 18°C (64°F).
The 'feels like' temperature in Arima ranges from 28°C (82°F) to 34°C (93°F) on average. Humidity and radiant heat mean it often feels warmer than the thermometer reads, especially in summer months.
June is not the best time to visit Arima, with a climate score of 4.3/10. Consider visiting during January, February, March, December instead for better conditions.
For June in Arima, pack Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). With average highs of 29°C (85°F) and 24 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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