Climate and monthly weather forecastMorant Bay, Jamaica
Climate and monthly weather forecast
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 »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the least humid month in Morant Bay, with an average relative humidity of 77%.
Throughout the year, there are 292.5 rainfall days, and 1440mm (56.69") of precipitation is accumulated.
The months with the highest UV index in Morant Bay are January through December, with an average maximum UV index of 7.
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
February is the month with the least rainfall in Morant Bay. Rain falls for 20.6 days and accumulates 62mm (2.44") of precipitation.
February is the month with the coldest seawater in Morant Bay, with an average sea temperature of 26.8°C (80.2°F).
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).
April and August, with an average of 10.3h of sunshine, are months with the most sunshine.
With an average relative humidity of 82%, June is the most humid month.
June has the longest days of the year, with an average of 13h and 12min of daylight.
The peak of Morant Bay's temperatures is noted during August and September, averaging a high-temperature of 28.8°C (83.8°F).
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.
August and September, with an average sea temperature of 29.5°C (85.1°F), are months with the warmest seawater.
With an average of 11h and 6min of daylight, December has the shortest days of the year in Morant Bay, Jamaica.
Morant Bay, Jamaica, does not utilize Daylight Saving Time (DST). EST timezone is used over the entire year.
With an average of 6.3h of sunshine, December has the least sunshine of the year in Morant Bay.
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).
Average pressure
Morant Bay, Jamaica
- Average pressure in January:
1015.6mbar - Average pressure in February:
1015.5mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1013.7mbar - Average pressure in June:
1014.2mbar
- Average pressure in July:
1014.7mbar - Average pressure in August:
1013.5mbar - Average pressure in September:
1012.4mbar - Average pressure in October:
1011.6mbar - Average pressure in November:
1012.4mbar - Average pressure in December:
1014.4mbar
The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).
Average wind speed
Morant Bay, Jamaica
- Average wind speed in January:
19.2km/h - Average wind speed in February:
18.8km/h - Average wind speed in March:
18.3km/h - Average wind speed in April:
17.3km/h - Average wind speed in May:
18.6km/h - Average wind speed in June:
21.7km/h
- Average wind speed in July:
20.1km/h - Average wind speed in August:
18.7km/h - Average wind speed in September:
15.5km/h - Average wind speed in October:
15.4km/h - Average wind speed in November:
17.1km/h - Average wind speed in December:
19.3km/h
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).
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%).
Average rainfall
Morant Bay, Jamaica
- Average rainfall in January:
70mm - Average rainfall in February:
62mm - Average rainfall in March:
65mm - Average rainfall in April:
71mm - Average rainfall in May:
137mm - Average rainfall in June:
137mm
- Average rainfall in July:
149mm - Average rainfall in August:
189mm - Average rainfall in September:
129mm - Average rainfall in October:
187mm - Average rainfall in November:
116mm - Average rainfall in December:
128mm
The wettest month (with the highest rainfall) is August (189mm).
The driest month (with the least rainfall) is February (62mm).
Average rainfall days
Morant Bay, Jamaica
- Average rainfall days in January:
22.1 days - Average rainfall days in February:
20.6 days - Average rainfall days in March:
22.9 days - Average rainfall days in April:
23.1 days - Average rainfall days in May:
26.5 days - Average rainfall days in June:
25.3 days
- Average rainfall days in July:
24.9 days - Average rainfall days in August:
27.3 days - Average rainfall days in September:
24.8 days - Average rainfall days in October:
27.2 days - Average rainfall days in November:
23.3 days - Average rainfall days in December:
24.5 days
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).
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).
Average daylight / Average sunshine
Morant Bay, Jamaica
- Average daylight in January:
11h and 12min - Average daylight in February:
11h and 36min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 36min - Average daylight in May:
13h and 0min - Average daylight in June:
13h and 12min
- Average daylight in July:
13h and 6min - Average daylight in August:
12h and 42min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 42min - Average daylight in November:
11h and 18min - Average daylight in December:
11h and 6min
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).
- Average sunshine in January:
6h and 24min - Average sunshine in February:
8h and 18min - Average sunshine in March:
8h and 24min - Average sunshine in April:
10h and 18min - Average sunshine in May:
9h and 42min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
10h and 18min - Average sunshine in September:
10h and 6min - Average sunshine in October:
7h and 36min - Average sunshine in November:
6h and 24min - Average sunshine in December:
6h and 18min
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).
Average sunshine days
Morant Bay, Jamaica
- Average sunshine days in January:
5.7 days - Average sunshine days in February:
4.9 days - Average sunshine days in March:
5.1 days - Average sunshine days in April:
4.6 days - Average sunshine days in May:
2.8 days - Average sunshine days in June:
2.3 days
- Average sunshine days in July:
2.9 days - Average sunshine days in August:
1.3 days - Average sunshine days in September:
2.5 days - Average sunshine days in October:
3 days - Average sunshine days in November:
4.9 days - Average sunshine days in December:
3.7 days
The month with the most sunshine days is January (5.7 days).
The month with the least sunshine days is August (1.3 days).
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).
Average cloud cover
Morant Bay, Jamaica
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 35).
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).
