Climate and monthly weather forecast
Saint Ann's Bay, Jamaica

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The climate of Saint Ann's Bay

According to the Köppen climate classification, Saint Ann's Bay, Jamaica experiences Aw climate, also known as Tropical wet and dry or savanna climate. Geographically situated in the northern coast of Jamaica, the region is characterized by significant rainfall throughout the year.

The temperature swings in this area are minimal. In terms of the highest temperatures, it ranges from 26.5°C (79.7°F) to 29.7°C (85.5°F). The cooler periods are experienced from January to March when highs linger below 27°C (80.6°F). The warmer months stretch from May to September, with high temperatures fluctuating from 28.3°C (82.9°F) to 29.7°C (85.5°F). Night temperatures follow a similar pattern, with a bit cooler periods from 23.1°C (73.6°F) to 26.3°C (79.3°F).

Humidity remains relatively consistent throughout the year, hovering roughly at 78% to 79%. Rainfall figures depict quite a range, fluctuating from 27mm (1.06") to 98mm (3.86") in a month. A more considerable quantity of rain is noticed from May to October, with monthly averages peaking at 98mm (3.86") in October.

Interestingly, the amount of rainfall does not entirely align with the number of rainy days. Rainy days fluctuate from 15 days to 23.4 days in a month, with October witnessing the most. Heading towards the coastal side, the sea temperature exhibits minimal variation, ranging from 26.9°C (80.4°F) to 29.8°C (85.6°F).

The best time to visit Saint Ann's Bay

The ideal time for a visit to Saint Ann's Bay would largely depend on the individual's preferences. However, if a tourist is interested in maximizing sunshine hours, the period from April to September could serve as the best time. During this period, daily sunshine hours range from 10.9 hours to 11.3 hours.

Moreover, for those who are inclined towards exploring the natural beauty of the sea surrounding Saint Ann's Bay, the warmest sea temperatures are observed from June to October, reaching up to 29.8°C (85.6°F). The comparatively lower sea temperatures are experienced from January to March, but even then, they stay within the range of 26.9°C (80.4°F) to 27.3°C (81.1°F).

The worst time to visit Saint Ann's Bay

For travelers planning a visit to Saint Ann's Bay, the period from May to October could be considered challenging due to heavy rainfall. These months typically observe monthly rainfall averages from 49mm (1.93") to 98mm (3.86"). Specifically, the time from September to October sees the heaviest precipitation, with an average monthly rainfall reaching up to 98mm (3.86").

Spring weather in Saint Ann's Bay

Spring in Saint Ann's Bay, spanning March to May, presents a considerable increase in temperatures. Residents and visitors can expect average high temperatures to range from 26.5°C (79.7°F) to 28.3°C (82.9°F) while average low temperatures move from 23.1°C (73.6°F) to 25°C (77°F). While March and April witness a moderate amount of rain from 33mm (1.3") to 42mm (1.65"), by May rainfall significantly increases reaching up to 78mm (3.07").

Summer weather in Saint Ann's Bay

Summer in Saint Ann's Bay, which lasts from June to August, offers the warmest months of the year. Maximum temperatures hover from 29.2°C (84.6°F) to 29.7°C (85.5°F), while minimum temperatures stay within the range of 25.6°C (78.1°F) to 26.3°C (79.3°F). Despite the heat, these months also encounter a considerable amount of rain, reaching up to 56mm (2.2") in August.

Autumn weather in Saint Ann's Bay

In Autumn, from September to November, Saint Ann's Bay experiences marginally cooler temperatures. The average high temperatures range from 29°C (84.2°F) to 29.5°C (85.1°F) and average low temperatures from 25.9°C (78.6°F) to 26.3°C (79.3°F). These months also face the heaviest rain of the year, with rainfall hitting a peak at 98mm (3.86") in October.

Winter weather in Saint Ann's Bay

From December to February, winter in Saint Ann's Bay still sees relatively warm temperatures. Average high temperatures range between 26.6°C (79.9°F) and 27.2°C (81°F), while average low temperatures range between 23.3°C (73.9°F) and 24.2°C (75.6°F). Rainfall during this time is significantly lower compared to other seasons, from 35mm (1.38") in December to 27mm (1.06") in February.

Weather in January

Kicking off the calendar, Saint Ann's Bay welcomes January with warm temperatures and a moist atmosphere typical for the region. The month witnesses a maximum of 26.6°C (79.9°F), certainly lending a balmy touch to the environment. Weather in January »

Weather in February

The continuity in Saint Ann's Bay's warmth extends into February, much to the pleasure of the tourists. The average low drops mildly to 23.3°C (73.9°F) bestowing pleasant mornings and cool evenings on the city's residents. Relative humidity, rainfall, and wind speed remain consistent without any significant changes from the preceding month. Weather in February »

Weather in March

As spring blooms, the weather in Saint Ann's Bay in March subtly shifts but continues to remain consistent with the previous months. The month registers comparative insignificance in temperature fluctuations with a slight drop in maximum temperature to 26.5°C (79.7°F). Weather in March »

Weather in April

April sees the advent of slightly elevated temperature levels in Saint Ann's Bay, indicating the edge of the dry season. The month experiences a slight leap in the maximum temperature, surging to 27.6°C (81.7°F). While this rise might seem insignificant, it manages to impart a substantial change in the overall feel of the weather. Weather in April »

Weather in May

Signifying the onset of the wet season, the weather in May at Saint Ann's Bay takes a slightly dramatic turn. There's a stark and noticeable rise in the maximum temperature as it ascends to 28.3°C (82.9°F). Corresponding to this uptick, the rainfall becomes substantial, making May the beginning of the wet period of the year. Weather in May »

Weather in June

In June, the weather of Saint Ann's Bay brims with tropical warmth, maintaining the trend of the rising mercury. The glory of the wet season manifests in the significant leap in the maximum temperature, reaching 29.2°C (84.6°F). Weather in June »

Weather in July

July in Saint Ann's Bay is a symphony of tropical elements with the monsoon in full swing. A further intensification occurs in climatological elements as the maximum temperature climbs to 29.5°C (85.1°F). Amid this, Saint Ann's Bay continues to ensure that humidity and sea temperature remain steady. Weather in July »

Weather in August

August observes Saint Ann's Bay's weather reach the pinnacle of its thermal character. The highest temperature records spike at 29.7°C (85.5°F) for the year making this month feel particularly warm. Yet, despite the elevated mercury and consistent rain spells, the overall environment remains richly tropical. Weather in August »

Weather in September

September brings a slight relief from the soaring temperatures of previous months as it drops to 29.5°C (85.1°F) in Saint Ann's Bay. Despite the marginal reprieve in temperature, the rainfall hits its peak, making it the wettest month of the year. Weather in September »

Weather in October

October in Saint Ann's Bay witnesses a palpable shift in the weather as the transition towards the dry season commences. A setback in the maximum temperature to 29°C (84.2°F) makes it slightly cooler than September. While rainfall remains high, a slight plunge from the peak of the preceding months signifies the gradual retreat of the monsoon season. Weather in October »

Weather in November

With November, Saint Ann's Bay begins its journey into the dry season, leaving behind the monsoon months. The maximum temperature drops subtly to 27.8°C (82°F), providing a pleasant shift from the preceding hot and humid months. Weather in November »

Weather in December

As the year concludes, December brings along a noticeable change in the weather in Saint Ann's Bay. With a further decrease in temperature, the month registers a max of 27.2°C (81°F), drawing a sharp contrast to the warmer months of the year. Weather in December »
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Frequently asked questions

How much does it rain in Saint Ann's Bay?

In Saint Ann's Bay, during the entire year, the rain falls for 217.3 days and collects up to 649mm (25.55") of precipitation.

What are the months with the lowest UV index in Saint Ann's Bay?

January through March, with an average maximum UV index of 6, are months with the lowest UV index in Saint Ann's Bay, Jamaica.

What is the driest month in Saint Ann's Bay?

The month with the least rainfall in Saint Ann's Bay, Jamaica, is February, when the rain falls for 15 days and typically collects 27mm (1.06") of precipitation.

What month is the sea coldest in Saint Ann's Bay?

February is the month with the coldest seawater in Saint Ann's Bay, with an average sea temperature of 26.9°C (80.4°F).

What are the coldest months in Saint Ann's Bay?

With its average high temperature of 26.5°C (79.7°F) and a low of 23.1°C (73.6°F), March is regarded as the coldest month in Saint Ann's Bay, Jamaica.

What is the least humid month in Saint Ann's Bay?

With an average relative humidity of 77%, March is the least humid month.

When is the highest UV index in Saint Ann's Bay?

April through December, with an average maximum UV index of 7, are months with the highest UV index.

What is the most humid month in Saint Ann's Bay?

May, June, November and December, with an average relative humidity of 79%, are most humid months.

When are the longest days in Saint Ann's Bay?

The month with the longest days in Saint Ann's Bay, Jamaica, is June, with an average of 13h and 12min of daylight.

What part of the year is the hottest in Saint Ann's Bay?

The temperatures reach their highest averages in August, with highs of 29.7°C (85.5°F) and lows of 26.3°C (79.3°F).

When is the sea warmest in Saint Ann's Bay?

August and September, with an average sea temperature of 29.8°C (85.6°F), are months with the warmest seawater.

What month has the most sunshine in Saint Ann's Bay?

The month with the most sunshine in Saint Ann's Bay is August, with an average of 11.3h of sunshine.

What is the rainiest month in Saint Ann's Bay?

October is the month with the most rainfall in Saint Ann's Bay, Jamaica. Rain falls for 23.4 days and accumulates 98mm (3.86") of precipitation.

What are the months with the least sunshine in Saint Ann's Bay?

November and December, with an average of 6.6h of sunshine, are months with the least sunshine in Saint Ann's Bay.

What is the month with the shortest days in Saint Ann's Bay?

The month with the shortest days in Saint Ann's Bay is December, with an average of 11h and 0min of daylight.

Is there Daylight Saving Time (DST) in Saint Ann's Bay?

Saint Ann's Bay does not observe Daylight Saving Time (DST). EST timezone is used throughout the entire year.

Average temperature
Saint Ann's Bay, Jamaica

Average temperature - Saint Ann

The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is March (26.5°C).

The months with the highest average low temperature are August and September (26.3°C).
The coldest month (with the lowest average low temperature) is March (23.1°C).

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Average pressure
Saint Ann's Bay, Jamaica

Average pressure - Saint Ann

The month with the highest atmospheric pressure is January (1015.7mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).

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Average wind speed
Saint Ann's Bay, Jamaica

Average wind speed - Saint Ann

The windiest month (with the highest average wind speed) is June (17.9km/h).
The calmest month (with the lowest average wind speed) is September (13.1km/h).

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Average humidity
Saint Ann's Bay, Jamaica

Average humidity - Saint Ann

The months with the highest relative humidity are May, June, November and December (79%).
The month with the lowest relative humidity is March (77%).

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Average rainfall
Saint Ann's Bay, Jamaica

Average rainfall - Saint Ann

The wettest month (with the highest rainfall) is October (98mm).
The driest month (with the least rainfall) is February (27mm).

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Average rainfall days
Saint Ann's Bay, Jamaica

Average rainfall days - Saint Ann

The month with the highest number of rainy days is October (23.4 days).
The month with the least rainy days is February (15 days).

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Average sea temperature
Saint Ann's Bay, Jamaica

Average sea temperature - Saint Ann

The best months for swimming (with the highest average sea temperature) are August and September (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).

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Average daylight / Average sunshine
Saint Ann's Bay, Jamaica

Average daylight / Average sunshine - Saint Ann

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 0min).

The month with the most sunshine is August (Average sunshine: 11h and 18min).
The months with the least sunshine are November and December (Average sunshine: 6h and 36min).

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Average sunshine days
Saint Ann's Bay, Jamaica

Average sunshine days - Saint Ann

The month with the most sunshine days is January (9.6 days).
The months with the least sunshine days are May and September (3.3 days).

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Average UV index
Saint Ann's Bay, Jamaica

Average UV index - Saint Ann

The months with the highest UV index are April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February and March (UV index 6).

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Average visibility
Saint Ann's Bay, Jamaica

Average visibility - Saint Ann

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).

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Saint Ann's Bay, Jamaica

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