Climate and monthly weather forecastGreenwich, Jamaica
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot winter month in Greenwich, Jamaica, with an average temperature varying between 20.5°C (68.9°F) and 28.4°C (83.1°F). Temperature records mark January as the coldest month, with highs averaging 28.4°C (83.1°F) and lows at 20.5°C (68.9°F). The heat index value for January is appraised at a hot 33°C (91.4°F). Weather in January »Weather in February
February, the last month of the winter in Greenwich, is another warm month, with temperature in the range of an average low of 20.6°C (69.1°F) and an average high of 28.8°C (83.8°F). February's onset brings an average high-temperature of a still moderately hot 28.8°C (83.8°F), showing a minute difference from January's 28.4°C (83.1°F). Weather in February »Weather in March
The first month of the spring, March, is also a moderately hot month in Greenwich, Jamaica, with temperature in the range of an average high of 29°C (84.2°F) and an average low of 20.7°C (69.3°F). Greenwich's entry into March measures an average high-temperature of a still moderately hot 29°C (84.2°F), closely parallel to the preceding month. Weather in March »Weather in April
April, like March, in Greenwich, Jamaica, is another warm spring month, with an average temperature ranging between min 21.7°C (71.1°F) and max 29.9°C (85.8°F). The transition into April marks the average high-temperature at a still moderately hot 29.9°C (85.8°F), differing minimally from March's 29°C (84.2°F). Weather in April »Weather in May
May, the last month of the spring in Greenwich, is a hot month, with temperature in the range of an average high of 30.3°C (86.5°F) and an average low of 22.5°C (72.5°F). May's arrival shows an average high-temperature of a hot 30.3°C (86.5°F), hardly different from the previous month. Weather in May »Weather in June
June, the first month of the summer in Greenwich, is still a tropical month, with an average temperature varying between 30.8°C (87.4°F) and 23°C (73.4°F). The arrival of June coincides with an average high-temperature of a still tropical 30.8°C (87.4°F), indicating a minimal shift from May's 30.3°C (86.5°F). Weather in June »Weather in July
July, the same as June, in Greenwich, Jamaica, is another tropical summer month, with temperature in the range of an average low of 23.5°C (74.3°F) and an average high of 31.7°C (89.1°F). Greenwich's warmest season falls during July and August, averaging a high-temperature of 31.7°C (89.1°F). The heat index value during July is appraised at a scorching 42°C (107.6°F). Weather in July »Weather in August
August, the last month of the summer in Greenwich, is also a hot month, with temperature in the range of an average low of 23.8°C (74.8°F) and an average high of 31.7°C (89.1°F). The months of July and August see the peak of Greenwich's temperatures, averaging a high of 31.7°C (89.1°F). The average heat index in August is appraised at an extremely hot 42°C (107.6°F). Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in Greenwich, Jamaica, with temperature in the range of an average low of 23.3°C (73.9°F) and an average high of 31.4°C (88.5°F). During September, the average high-temperature is a still tropical 31.4°C (88.5°F), maintaining a close resemblance to that of the preceding month. Weather in September »Weather in October
October, the same as September, in Greenwich, Jamaica, is a hot autumn month, with temperature in the range of an average low of 23.1°C (73.6°F) and an average high of 30.3°C (86.5°F). Greenwich signifies an average high-temperature of a still hot 30.3°C (86.5°F) in October, closely mirroring the 31.4°C (88.5°F) of September. Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Greenwich, Jamaica, with temperature in the range of an average low of 22.5°C (72.5°F) and an average high of 29.7°C (85.5°F). The advent of November observes an average high-temperature of a warm 29.7°C (85.5°F), nearly identical to October's 30.3°C (86.5°F). Weather in November »Weather in December
December, the first month of the winter in Greenwich, is still a warm month, with an average temperature varying between 21.5°C (70.7°F) and 28.9°C (84°F). The transition from November to December brings an average high-temperature of a still warm 28.9°C (84°F), barely different from November's 29.7°C (85.5°F). 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
With average high and low temperatures of 28.4°C (83.1°F) and 20.5°C (68.9°F) respectively, January is Greenwich's coldest month.
The month with the least rainfall in Greenwich is January, when the rain falls for 19.4 days and typically collects 26mm (1.02") of precipitation.
In Greenwich, during the entire year, the rain falls for 265.1 days and collects up to 806mm (31.73") of precipitation.
The months with the lowest UV index in Greenwich, Jamaica, are January through April, September, November and December, with an average maximum UV index of 6.
The months with the lowest humidity in Greenwich are March, July and August, with an average relative humidity of 77%.
May through August and October, with an average maximum UV index of 7, are months with the highest UV index.
With an average of 13h and 12min of daylight, June has the longest days of the year in Greenwich.
In Greenwich, the warmest period comes during July and August, when the average high-temperature touches 31.7°C (89.1°F).
August has the most sunshine of the year in Greenwich, with an average of 11h of sunshine.
October through December, with an average relative humidity of 81%, are most humid months in Greenwich.
October is the month with the most rainfall in Greenwich, Jamaica. Rain falls for 26.5 days and accumulates 123mm (4.84") of precipitation.
December has the shortest days of the year in Greenwich, with an average of 11h and 6min of daylight.
Greenwich, Jamaica, does not utilize Daylight Saving Time (DST). EST timezone is used throughout the entire year.
With an average of 6.7h of sunshine, December has the least sunshine of the year in Greenwich.
Average temperature
Greenwich, Jamaica
The warmest months (with the highest average high temperature) are July and August (31.7°C).
The month with the lowest average high temperature is January (28.4°C).
The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is January (20.5°C).
Average pressure
Greenwich, Jamaica
- Average pressure in January:
1015.5mbar - Average pressure in February:
1015.4mbar - Average pressure in March:
1015.2mbar - Average pressure in April:
1014.2mbar - Average pressure in May:
1013.6mbar - Average pressure in June:
1014.1mbar
- Average pressure in July:
1014.6mbar - Average pressure in August:
1013.4mbar - Average pressure in September:
1012.3mbar - Average pressure in October:
1011.5mbar - Average pressure in November:
1012.4mbar - Average pressure in December:
1014.4mbar
The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is October (1011.5mbar).
Average wind speed
Greenwich, Jamaica
- Average wind speed in January:
7.8km/h - Average wind speed in February:
7.6km/h - Average wind speed in March:
7.4km/h - Average wind speed in April:
7.3km/h - Average wind speed in May:
7.8km/h - Average wind speed in June:
9km/h
- Average wind speed in July:
8.8km/h - Average wind speed in August:
7.8km/h - Average wind speed in September:
6.8km/h - Average wind speed in October:
6.7km/h - Average wind speed in November:
6.6km/h - Average wind speed in December:
7.3km/h
The windiest month (with the highest average wind speed) is June (9km/h).
The calmest month (with the lowest average wind speed) is November (6.6km/h).
Average humidity
Greenwich, Jamaica
The months with the highest relative humidity are October, November and December (81%).
The months with the lowest relative humidity are March, July and August (77%).
Average rainfall
Greenwich, Jamaica
The wettest month (with the highest rainfall) is October (123mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days
Greenwich, Jamaica
- Average rainfall days in January:
19.4 days - Average rainfall days in February:
19.2 days - Average rainfall days in March:
20.7 days - Average rainfall days in April:
21.9 days - Average rainfall days in May:
25.4 days - Average rainfall days in June:
20.5 days
- Average rainfall days in July:
21.2 days - Average rainfall days in August:
24.9 days - Average rainfall days in September:
23.1 days - Average rainfall days in October:
26.5 days - Average rainfall days in November:
22.4 days - Average rainfall days in December:
19.9 days
The month with the highest number of rainy days is October (26.5 days).
The month with the least rainy days is February (19.2 days).
Average daylight / Average sunshine
Greenwich, 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 54min - Average sunshine in February:
8h and 36min - Average sunshine in March:
8h and 30min - Average sunshine in April:
10h and 24min - Average sunshine in May:
10h and 24min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
11h and 0min - Average sunshine in September:
10h and 54min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 48min - Average sunshine in December:
6h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days
Greenwich, Jamaica
- Average sunshine days in January:
6 days - Average sunshine days in February:
3.4 days - Average sunshine days in March:
5.8 days - Average sunshine days in April:
4.4 days - Average sunshine days in May:
2.6 days - Average sunshine days in June:
3.5 days
- Average sunshine days in July:
3 days - Average sunshine days in August:
1.7 days - Average sunshine days in September:
1.7 days - Average sunshine days in October:
1.5 days - Average sunshine days in November:
3.6 days - Average sunshine days in December:
4.6 days
The month with the most sunshine days is January (6 days).
The month with the least sunshine days is October (1.5 days).
Average UV index
Greenwich, Jamaica
The months with the highest UV index are May, June, July, August and October (UV index 7).
The months with the lowest UV index are January, February, March, April, September, November and December (UV index 6).
Average cloud cover
Greenwich, Jamaica
The month with the most cloud cover is June (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Greenwich, Jamaica
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
