Climate and monthly weather forecast
Scarborough, Trinidad and Tobago

Geographically situated in the Caribbean region, Scarborough boasts a Tropical Monsoon climate, otherwise classified as an 'Am' Köppen climate type. This distinctive climate is noted for its consistent high temperatures and significant durations of daylight throughout the year combined with a prevailing monsoon season.

Temperature fluctuations across the twelve months remain marginal, with the highest average temperature reaching 31°C (87.8°F) and the lowest average temperature not falling beneath 22°C (71.6°F). A regular feature of this climate type is the narrow temperature range - offering warm temperatures year-long. Scarborough's sea temperature is also noteworthy, offering warm waters fit for swimming, with the average annual temperature remaining at or above 27.6°C (81.7°F).

In terms of rainfall, Scarborough experiences a predictable pattern with its regular monsoon season. The rainiest period is predominantly between October and January, receiving up to 221mm (8.7") of rainfall. However, it should be mentioned that rainfall does occur throughout the year with the driest month being Min-March still receiving 43mm (1.69") rain.

Daylight hours are generously long in Scarborough with an annual range from 11.5 hours to 12.8 hours. The amplitude of this cyclical pattern aligns with the latitude of the town, ensuring plenty of sunshine regardless of the time of year.

Considering combined factors of temperature, sea temperature, daylight hours, and rainfall, the period of February to April emerges as a potentially favorable time to visit Scarborough. Rainfall is relatively less compared to other months, sitting between 43mm (1.69") and 64mm (2.52"). Daylight hours are gradually increasing leading up to the highest at 12.8 hours in June from 11.8 hours in February. With temperatures still reaching up to 31°C (87.8°F) and sea temperature favorable at 27.3°C (81.1°F) - 28.2°C (82.8°F), visitors can enjoy Scarborough's tropical weather and rich outdoor environments comfortably.

Despite Scarborough's warm temperatures persisting year-round, it is advisable to reconsider planning a trip during October to January, especially for those with a preference for drier weather. This period is when Scarborough experiences its wettest months, recording average rainfall from 160mm (6.3") to 221mm (8.7"). While temperatures remain welcoming and daylight hours adequately long, the heavy downpours might be a setback to fully enjoying outdoor activities or a stroll on the beaches.

Meteorological definition of Spring in Scarborough occurs from March to May. Average temperatures stay put from 31°C (87.8°F) to 31°C (87.8°F) and minimum temperatures increase slightly from 23°C (73.4°F) to 24°C (75.2°F). Steady volumes of daylight are recognized, increasing from 12.1 hours to 12.6 hours. Rainfall sees an upswing from 43mm (1.69") in March to 147mm (5.79") in May. The sea also gradually warms, hitting the year’s highest average of 28.2°C (82.8°F) in May, perfect for aquatic enjoyment.

As Summer takes its hold from June to August, Scarborough maintains a regular high temperature of 31°C (87.8°F) while the minimum temperature remains steady at 24°C (75.2°F). Daylight hours peak at 12.8 in June, before receding to 12.5 by the end of August. Rainfall increases significantly from 147mm (5.79") in June to 188mm (7.4") in August. The sea temperature, remaining constant at 28.3°C (82.9°F) in June, then reaches its peak at 29.4°C (84.9°F) in August.

Entering Autumn, from September to November, Scarborough's high temperatures register between 31°C (87.8°F) and 30°C (86°F) with low temperatures at a steady 24°C (75.2°F). Daylight hours gradually decrease from 12.2 to 11.6. Rainfall reaches the highest average measurements, peaking in October with 221mm (8.7"), before closing November at 206mm (8.11"). Average sea temperature drops slightly from 29.4°C (84.9°F) in September to 28.4°C (83.1°F) in November.

In Winter, from December to February, Scarborough's high temperature range declines slightly from 29°C (84.2°F) to 30°C (86°F), while low temperatures remain constant at 22°C (71.6°F) in December and January, and increase to 23°C (73.4°F) in February. Daylight hours are at the year’s lower range between 11.5 to 11.8 hours. In terms of rainfall, December records an amount of 160mm (6.3"), falling to 48mm (1.89") by February. The sea's average temperature experiences a mild decline alongside these changes, from 28°C (82.4°F) in December to 27.3°C (81.1°F) in February.

Scarborough, Trinidad and Tobago, welcomes the new year with warm weather. The temperatures are soothing, making it a pleasant time for visitors. Climatologically, January is one of the cooler months in Scarborough yet the Atlantic Ocean remains pleasantly warm enabling remarkable watersport opportunities. Weather in January »

Surging into February, Scarborough sustains January’s warm character, but notes a slight uptick in temperature. There is slight escalation in sea temperature as well, further facilitating aquatic activities for tourists and locals. Weather in February »

March in Scarborough presents a noticeable upturn in the mercury levels. The daylight extends marginally, bathing the city in sunlight for longer span. An addition of precipitation could be noted indicating a subtle transition towards the wetter half of the year, which is a familiar pattern in tropical coastal locations. Weather in March »

April emerges in Scarborough with temperatures almost identical to March, yet sea temperatures rise further. The routine downpours persist, further enriching the tropical characteristics of the region. Despite the slight increase in rain, the weather stays favourable for outdoor activities, as temperature and daylight patterns show little change from March. Weather in April »

May, acting as the gateway to summer, marks an escalation in both high and low temperatures and a pronounced upsurge in rain. Between April and May, the daylight hours also show a slight enhancement. May's weather script encompasses lengthier daylight hours, amplified temperatures and heavier showers. Weather in May »

June in Scarborough sees a transition from moderate to heavy rainfall, marking the official commencement of the wet season. There is negligible fluctuation in sea and air temperatures from May, ensuring the persistence of a balmy atmosphere. Weather in June »

July, right in the middle of the year, also finds itself in the heart of the rainy season in Scarborough. However, the temperature stays consistent with the past month, meeting the expectation of holidaymakers. The increased rainfall caters not just to the thriving biodiversity, but also to the agriculture sector of Scarborough. Weather in July »

As August unfolds in Scarborough, a modest increase in the sea temperature to 29.4°C (84.9°F) is noted, adding warmth to aquatic adventures. There is a slight decrease in rainfall, but it stays well within distinct wet season parameters, exerting a significant influence on the overall weather. Weather in August »

Transitioning into September, the wet season in Scarborough continues with relentless showers and persistently high temperatures. A marginal dip can be noticed in the sea temperature from August, but it stays warm enough for water activities. Weather in September »

October accompanies the peak of the wet season with the maximum rainfall accumulation for the year. Sea and air temperatures exhibit little variability from their preceding month, maintaining the tropical ambiance. Despite the sustained rainfall, sea temperatures and hours of daylight stay quite stable, providing significant time for outdoor and sea-based activities. Weather in October »

November in Scarborough witnesses a decline in the rainfall magnitude from the preceding month, signalling the approaching end of the wet season. Daylight hours start to shorten, and air temperatures register a minor decline, indicating a shift in Scarborough’s weather cycle. Weather in November »

The final month of the year, December in Scarborough brings with it a notable decrease in rainfall, marking the official end of the wet season. With respect to daylight hours and temperatures, marginal differences from November can be observed. Weather in December »