Climate and monthly weather forecast
Morant Bay, Jamaica

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The climate of Morant Bay

Morant Bay, situated in Jamaica, is dominated by an Aw Köppen climate classification, which is characteristic of tropical wet and dry or savanna weather. This equatorial climate yields high temperatures throughout the year, with average monthly highs ranging from 26.2°C (79.2°F) in March to peak at 28.8°C (83.8°F) in August and September. Concurrently, monthly low temperatures fluctuate from 24.2°C (75.6°F) in March to reach their zenith at 26.9°C (80.4°F) in September.

The year is marked by relatively high humidity, with the lowest recorded monthly average being 77% in January and February, climbing to a maximum of 82% in June. A significant amount of rainfall is characteristic of this tropical location, with monthly averages spanning from 62mm (2.44") in February to 189mm (7.44") in August. The frequency of rainfall follows a similar pattern, with monthly average days of rainfall varying from 20.6 days in February to 27.3 days in August.

The surrounding sea's temperature also experiences slight modifications, fluctuating from a minimum average of 26.8°C (80.2°F) in February to a maximum average of 29.5°C (85.1°F) in August and September. Additionally, the duration of daylight averages at about 12 hours per day, with a slight variance of an hour between winter and summer months.

The best time to visit Morant Bay

The optimal time to visit Morant Bay would arguably be from November to February. During these months, the weather is relatively drier compared to other periods of the year. The average rainfall is 128mm (5.04") to 70mm (2.76"), and the average number of rainy days ranges from 23.3 days to 22.1 days. Additionally, the temperatures remain consistently pleasant, with average highs varying from 26.3°C (79.3°F) to 27.6°C (81.7°F), and lows from 24.6°C (76.3°F) to 26.2°C (79.2°F).

The worst time to visit Morant Bay

The least favorable period to visit Morant Bay is during the height of the rainy season, from May to October. Torrential rainfall is prevalent during this period, with monthly averages varying between 137mm (5.39") to 189mm (7.44") alongside a higher frequency of rainy days that range from 24.9 days to 27.3 days. However, this period also witnesses the highest temperatures, with monthly average highs ranging from 27.3°C (81.1°F) to 28.8°C (83.8°F), thus exacerbating the humidity levels as well.

Spring weather in Morant Bay

Spring in Morant Bay occurs between March and May. This season witnesses an ascending trend in temperature, cascading from an average high of 26.2°C (79.2°F) in March to 28.1°C (82.6°F) in May, while lows range from 24.2°C (75.6°F) to 26.5°C (79.7°F). Rainfall during this season increases significantly, with monthly averages fluctuating between 65mm (2.56") in March, escalating to 137mm (5.39") in May.

Summer weather in Morant Bay

Summer from June to August presents the most scorching months in Morant Bay, with average highs between 28.4°C (83.1°F) and 28.8°C (83.8°F) and lows ranging from 26.7°C (80.1°F) to 26.8°C (80.2°F). Coupled with this are elevated instances of rainfall, with monthly averages ranging from 137mm (5.39") to a peak of 189mm (7.44") in August. These climatic conditions prioritize the prominence of high humidity levels, reaching a peak of 82% in June.

Autumn weather in Morant Bay

Autumn, spanning September to November, continues the trend of high temperatures, with average highs fluctuating between 28.5°C (83.3°F) and 27.6°C (81.7°F) and lows from 26.9°C (80.4°F) to 26.2°C (79.2°F). The rainfall during this period remains substantially high, tapering slightly from 187mm (7.36") in September to 116mm (4.57") in November.

Winter weather in Morant Bay

Winter in Morant Bay, occurring from December to February, experiences a mild reduction in temperatures, with average monthly highs ranging from 26.9°C (80.4°F) to 26.3°C (79.3°F) and lows between 25.4°C (77.7°F) to 24.6°C (76.3°F). This period sees a welcome decrease in rainfall, with monthly averages declining to 128mm (5.04") in December and further to 70mm (2.76") in January, marking the driest period of the year.

Weather in January

Transitioning from the dry end of the year, a slight increase in humidity is seen in January, indicative of a more tropical climate in Morant Bay, Jamaica. Although, localized showers are sparse, it is not uncommon for the island to experience 22.1 days of rainfall amounting to 70mm (2.76"). Weather in January »

Weather in February

With meteorological patterns similar to January, the weather in Morant Bay in February begins to warm ever so slightly as the season continues to transition. It is worth highlighting that the country enjoys significantly longer daylight hours, up to 11.6 hours from last month's 11.2 hours. Weather in February »

Weather in March

The advancing warm weather in Morant Bay, with a high temperature of 26.2°C (79.2°F), signals the slow retreat of the winter season in March. While rainfall sees a nearly imperceptible rise to 65mm (2.56") and the number of rainy days averaging 22.9, the general outlook remains relatively sunny. Weather in March »

Weather in April

In Morant Bay, April implies the onset of a more prominent shift in weather patterns. A notable uplift in the temperature spectrum occurs this month, with highs reaching around 27°C (80.6°F). The month of April experiences a higher level of rainfall, 71mm (2.8") on average, and 23.1 rainfall days, which can feel refreshingly cooling. Weather in April »

Weather in May

May ushers in more extreme weather conditions in Morant Bay. There is a dramatic surge in rainfall, almost doubling with 137mm (5.39") and a higher frequency of 26.5 days, signifying the commencement of the region's wet season. Despite the surge in precipitation, sunshine hours maintain a high mark, ensuring that the days are warm and inviting. Weather in May »

Weather in June

While maintaining the rainy patterns of May, June oversees slight enhancements in weather conditions in Morant Bay. The increase in temperature is more pronounced, with the mercury often rising to 28.1°C (82.6°F), indicating a hotter climate. Weather in June »

Weather in July

July in Morant Bay bears witness to marginally lesser levels of relative humidity, although rainfall volumes intensify to a total of 149mm (5.87"). With the height of summer in Jamaica, temperatures often approach the upper twenties. Weather in July »

Weather in August

August is another warm month in Morant Bay with temperatures nearing the peak for the year, making its beaches particularly appealing. Contrasting the prevailing heat, average rainfall peaks this month at 189mm (7.44"), showing the most significant shift in the region's precipitation. Weather in August »

Weather in September

The tropical feel lingers in Morant Bay throughout September, despite a considerable reduction in rainfall to 129mm (5.08"). This month retains much of the warm temperatures from August, thus carrying forward the invitation for swimming and snorkeling. Weather in September »

Weather in October

The balmy weather persists in Morant Bay in October and is accompanied by another increase in rainfall, reaching up to 187mm (7.36"). The climatic conditions are favorable for engaging in both land and water activities. October is a fantastic time for vacationers seeking to experience Caribbean life firsthand. Weather in October »

Weather in November

Steering towards the closing stages of the year, November in Morant Bay promises a slowly receding warmth with temperatures moderating. A significant decline in rainfall occurs this month, with values dropping to 116mm (4.57") which marks the gradual transition to drier conditions. Weather in November »

Weather in December

Finalizing the year in Morant Bay, December's freshness in the air is palpable, although relative temperatures remain comfortably balmy. The decrease in average rainfall, down to 128mm (5.04"), signifies the onset of the winter season. Weather in December »
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Frequently asked questions

What is the least humid month in Morant Bay?

January is the least humid month in Morant Bay, with an average relative humidity of 77%.

How much does it rain in Morant Bay?

Throughout the year, there are 292.5 rainfall days, and 1440mm (56.69") of precipitation is accumulated.

When is the highest UV index in Morant Bay?

The months with the highest UV index in Morant Bay are January through December, with an average maximum UV index of 7.

What are the months with the lowest UV index in Morant Bay?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

What is the driest month in Morant Bay?

February is the month with the least rainfall in Morant Bay. Rain falls for 20.6 days and accumulates 62mm (2.44") of precipitation.

What month is the sea coldest in Morant Bay?

February is the month with the coldest seawater in Morant Bay, with an average sea temperature of 26.8°C (80.2°F).

What time of the year is the coldest in Morant Bay?

Morant Bay's coldest temperatures are experienced in March, with average high temperatures of 26.2°C (79.2°F) and lows of 24.2°C (75.6°F).

What is the month with the most sunshine in Morant Bay?

April and August, with an average of 10.3h of sunshine, are months with the most sunshine.

What is the most humid month in Morant Bay?

With an average relative humidity of 82%, June is the most humid month.

When are the longest days in Morant Bay?

June has the longest days of the year, with an average of 13h and 12min of daylight.

What is the warmest month in Morant Bay?

The peak of Morant Bay's temperatures is noted during August and September, averaging a high-temperature of 28.8°C (83.8°F).

What is the rainiest month in Morant Bay?

The month with the most rainfall is August, when the rain falls for 27.3 days and typically aggregates up to 189mm (7.44") of precipitation.

What months are the sea warmest in Morant Bay?

August and September, with an average sea temperature of 29.5°C (85.1°F), are months with the warmest seawater.

What is the month with the shortest days in Morant Bay?

With an average of 11h and 6min of daylight, December has the shortest days of the year in Morant Bay, Jamaica.

Is there Daylight Saving Time (DST) in Morant Bay?

Morant Bay, Jamaica, does not utilize Daylight Saving Time (DST). EST timezone is used over the entire year.

What is the month with the least sunshine in Morant Bay?

With an average of 6.3h of sunshine, December has the least sunshine of the year in Morant Bay.

Average temperature
Morant Bay, Jamaica

Average temperature - Morant Bay, Jamaica

The warmest months (with the highest average high temperature) are August and September (28.8°C).
The month with the lowest average high temperature is March (26.2°C).

The month with the highest average low temperature is September (26.9°C).
The coldest month (with the lowest average low temperature) is March (24.2°C).

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Average pressure
Morant Bay, Jamaica

Average pressure - Morant Bay, Jamaica

The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).

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Average wind speed
Morant Bay, Jamaica

Average wind speed - Morant Bay, Jamaica

The windiest month (with the highest average wind speed) is June (21.7km/h).
The calmest month (with the lowest average wind speed) is October (15.4km/h).

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Average humidity
Morant Bay, Jamaica

Average humidity - Morant Bay, Jamaica

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is January (77%).

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Average rainfall
Morant Bay, Jamaica

Average rainfall - Morant Bay, Jamaica

The wettest month (with the highest rainfall) is August (189mm).
The driest month (with the least rainfall) is February (62mm).

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Average rainfall days
Morant Bay, Jamaica

Average rainfall days - Morant Bay, Jamaica

The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is February (20.6 days).

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Average sea temperature
Morant Bay, Jamaica

Average sea temperature - Morant Bay, Jamaica

The best months for swimming (with the highest average sea temperature) are August and September (29.5°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).

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Average daylight / Average sunshine
Morant Bay, Jamaica

Average daylight / Average sunshine - Morant Bay, Jamaica

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

The months with the most sunshine are April and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).

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Average sunshine days
Morant Bay, Jamaica

Average sunshine days - Morant Bay, Jamaica

The month with the most sunshine days is January (5.7 days).
The month with the least sunshine days is August (1.3 days).

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Average UV index
Morant Bay, Jamaica

Average UV index - Morant Bay, Jamaica

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).

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Average visibility
Morant Bay, Jamaica

Average visibility - Morant Bay, Jamaica

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (10km).
The month with the lowest visibility is August (9km).

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Morant Bay, Jamaica

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