Climate and monthly weather forecastArouca, Trinidad and Tobago
Climate and monthly weather forecast
The climate of Arouca
Arouca, located in Trinidad and Tobago, experiences a tropical monsoon climate, according to the Köppen climate classification system. This type of climate is characterized by high temperatures throughout the year, coupled with significant rainfall, predominantly during the monsoon season.Year-round, one can expect daily high temperatures to remain fairly consistent, varying slightly from 27.9°C (82.2°F) to 30.1°C (86.2°F). Similarly, low temperatures show minor fluctuations, ranging from 24.8°C (76.6°F) to 26.6°C (79.9°F). During the course of the year, this minimal variation in temperature creates a consistent, warm climate that is characteristic of tropical regions.
Humidity plays a vital role in shaping Arouca's weather patterns, with relative humidity levels typically ranging from 75% to 79% throughout the year. The abundance of moisture in the air contributes to the high volumes of rainfall experienced annually. It is significant to note that rainfall rates fluctuate throughout the year, ranging from 14mm (0.55") in February to 115mm (4.53") during the month of October.
Visibility remains a constant 10km (6.2mi) regardless of the time of year. Wind speeds fluctuate from a mild 13.6km/h (8.5mph) to a modest 18.3km/h (11.4mph). Lastly, the cloud cover varies moderately across the year, ranging from 27% to 40%.
The best time to visit Arouca
Those desiring a warm tropical vacation with the least amount of rainfall should consider visiting Arouca between February and April. During these months, the rainfall amounts are at their lowest for the year, ranging from 14mm (0.55") to 17mm (0.67"). Additionally, relative humidity is manageable, staying between 75% to 75% respectively, which enhances tourists enjoyability. Therefore, these factors combined provide the perfect setting for outdoor activities and exploring the local attractions without many interruptions from the weather.The worst time to visit Arouca
In contrast to the above, the period from June to November should be avoided if the goal is to evade excessive rainfall. During these months, Arouca witnesses its highest rainfall margins, escalating from 48mm (1.89") in June to a peak of 115mm (4.53") in October. Consequently, the potential for weather disruptions to sightseeing and outdoor activities is heightened during this period.Spring weather in Arouca
During the spring months of March, April, and May, the weather in Arouca remains consistently warm with high temperatures around 29°C (84.2°F) and lows not falling below 25°C (77°F). Rainfall during this period is relatively low, varying from 16mm (0.63") to 22mm (0.87"), making it a good time for outdoor activities. Sunshine hours are ample providing around 10 hours per day and the UV index is a steady 7, suggesting a moderate risk of harm from unprotected sun exposure.Summer weather in Arouca
The summer months of June, July, and August are marked by slightly increased temperatures and substantial rainfall. The high temperatures during this season hover between 29.2°C (84.6°F) and 29.7°C (85.5°F), accompanied by humidity levels ranging from 78% to 79%. Rainfall in this period is relatively high, registering from 48mm (1.89") in June and surging to 110mm (4.33") in August.Autumn weather in Arouca
Autumn manifests as a blend of the previous seasons, with similar temperatures but a spike in rainfall levels. During September, October, and November, rainfall levels ascend drastically reaching a peak of 115mm (4.53") in October then falling back to 81mm (3.19") in November. However, despite the frequent rain, sunshine hours remain reasonably high, averaging at around 9 hours per day.Winter weather in Arouca
Winter weather in Arouca is mild and considerably warm for a winter season. High temperatures hold steady, from 29.1°C (84.4°F) in December to 28.5°C (83.3°F) in February, while lows range from 26.1°C (79°F) to 24.8°C (76.6°F). While rain levels decline considerably during these months, ranging from 44mm (1.73") to 23mm (0.91"), it is not entirely dry. Despite the presence of rainfall in these months, it isn't disruptive to outdoor activities, making it feasible to explore the region year-round.Weather in January
In terms of weather conditions, January in Arouca, Trinidad and Tobago is predominantly warm with slightly less humidity and rainfall, allowing for a lighter, more temperate start to the year in comparison to the latter months. Weather in January »Weather in February
With constant visibility and predictable climatic patterns, February in Arouca, Trinidad and Tobago presents an opportunity for various outdoor activities. Notably, the month's weather pattern undergoes a shift in wind speed, averaging 18.3km/h (11.4mph), slightly speeding up in comparison to January. Weather in February »Weather in March
As March delights with marginally warmer temperatures, the weather in Arouca, Trinidad and Tobago denotes a shift into the wet season. The rainfall increases to 16mm (0.63"), slightly higher than what has been observed in the previous months. Weather in March »Weather in April
Arouca, Trinidad and Tobago's weather in April presents a significant increase in average rainfall, spiking to a noteworthy 17mm (0.67"). It signifies the transition from the dry to the wet season with the increase in temperature and rainfall. Weather in April »Weather in May
May in Arouca, Trinidad and Tobago ushers an amplified switch into the wet season. The temperature pushes even higher with a low rise in humidity, changes only becoming more noticeable in the transition from May to June. Known for its vibrant outdoor life, this period might affect some activities due to an increase in rainfall. Weather in May »Weather in June
June packs considerable rainfall peaking at 48mm (1.89"), a noticeable surge compared to previous months. Arouca, Trinidad and Tobago’s weather takes a significant, wet shift starting from June, characterized by longer days, and increased rainfall. Weather in June »Weather in July
Known for being the wettest month, Arouca, Trinidad and Tobago's weather in July reaches a considerable climatic crescendo with rainfall escalating up to a significant 72mm (2.83"). While temperatures and humidity remain steadily high, this Caribbean island's full-blown wet season undeniably reigns in full force during this month. Weather in July »Weather in August
Arouca, Trinidad and Tobago's weather in August presents the year's highest temperature, hitting a peak at 30.1°C (86.2°F). Even though the temperatures rise, rainfall immensely drops to 110mm (4.33"), marking a transition from July while leading into drier conditions as September approaches. Weather in August »Weather in September
The weather in Arouca, Trinidad and Tobago during September clocks in with slightly lower temperatures, signalling the onset of a steady decline as we head towards the end of the year. A slight drop in rainfall down to 78mm (3.07") accompanies this change, easing up on the previously dominating wet conditions. Weather in September »Weather in October
October brings noticeable relief as rainfall in Arouca, Trinidad and Tobago returns to a heightened level, averaging 115mm (4.53"). Despite the shift towards wetter conditions, the cloud coverage remains relatively low, guaranteeing lavishly sunny days and shorter daylight hours. Weather in October »Weather in November
November, the last month of the autumn in Arouca, is also a moderately hot month, with an average temperature fluctuating between 26.1°C (79°F) and 29.1°C (84.4°F). As October transitions into November, the average high-temperature rests at a still warm 29.1°C (84.4°F), maintaining a close resemblance to the previous month. Weather in November »Weather in December
In Arouca, Trinidad and Tobago, December's climate introduces a gentler end to the year, characterized by a significant reduction in rainfall, spiralling down to 44mm (1.73"). The change in weather brings with it a soothing end to the year's climatic chapter. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Arouca, Trinidad and Tobago
The warmest month (with the highest average high temperature) is September (30.1°C).
The month with the lowest average high temperature is January (27.9°C).
The month with the highest average low temperature is October (26.6°C).
The coldest months (with the lowest average low temperature) are January and February (24.8°C).
Average pressure
Arouca, Trinidad and Tobago
- Average pressure in January:
1013.6mbar - Average pressure in February:
1013.5mbar - Average pressure in March:
1013.3mbar - Average pressure in April:
1013mbar - Average pressure in May:
1013.1mbar - Average pressure in June:
1013.8mbar
- Average pressure in July:
1013.6mbar - Average pressure in August:
1012.7mbar - Average pressure in September:
1011.9mbar - Average pressure in October:
1010.8mbar - Average pressure in November:
1010.4mbar - Average pressure in December:
1012.3mbar
The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed
Arouca, Trinidad and Tobago
- Average wind speed in January:
17.3km/h - Average wind speed in February:
18.3km/h - Average wind speed in March:
17.7km/h - Average wind speed in April:
17.3km/h - Average wind speed in May:
17.6km/h - Average wind speed in June:
17.7km/h
- Average wind speed in July:
15.9km/h - Average wind speed in August:
13.6km/h - Average wind speed in September:
13.7km/h - Average wind speed in October:
14.5km/h - Average wind speed in November:
15.2km/h - Average wind speed in December:
17.1km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is August (13.6km/h).
Average humidity
Arouca, Trinidad and Tobago
The month with the highest relative humidity is July (79%).
The months with the lowest relative humidity are February, March and April (75%).
Average rainfall
Arouca, Trinidad and Tobago
The wettest month (with the highest rainfall) is October (115mm).
The driest month (with the least rainfall) is February (14mm).
Average rainfall days
Arouca, Trinidad and Tobago
- Average rainfall days in January:
14.5 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
12.6 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
20.4 days - Average rainfall days in August:
22.2 days - Average rainfall days in September:
19.9 days - Average rainfall days in October:
20 days - Average rainfall days in November:
18.6 days - Average rainfall days in December:
18.3 days
The month with the highest number of rainy days is August (22.2 days).
The months with the least rainy days are February and April (10.3 days).
Average daylight / Average sunshine
Arouca, Trinidad and Tobago
- Average daylight in January:
11h and 36min - Average daylight in February:
11h and 48min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 24min - Average daylight in May:
12h and 36min - Average daylight in June:
12h and 42min
- Average daylight in July:
12h and 42min - Average daylight in August:
12h and 30min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 36min - Average daylight in December:
11h and 30min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in January:
8h and 18min - Average sunshine in February:
8h and 48min - Average sunshine in March:
8h and 42min - Average sunshine in April:
10h and 6min - Average sunshine in May:
10h and 30min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
11h and 6min - Average sunshine in September:
11h and 0min - Average sunshine in October:
8h and 48min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days
Arouca, Trinidad and Tobago
- Average sunshine days in January:
11.2 days - Average sunshine days in February:
13 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
15.9 days - Average sunshine days in May:
15 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
8.1 days - Average sunshine days in August:
6.8 days - Average sunshine days in September:
7.4 days - Average sunshine days in October:
8.7 days - Average sunshine days in November:
9.5 days - Average sunshine days in December:
8.7 days
The months with the most sunshine days are March and April (15.9 days).
The month with the least sunshine days is August (6.8 days).
Average UV index
Arouca, Trinidad and Tobago
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Arouca, Trinidad and Tobago
The month with the most cloud cover is June (Cloud cover 40).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility
Arouca, Trinidad and Tobago
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





