Climate and monthly weather forecastConstant Spring, Jamaica
Climate and monthly weather forecast
The climate of Constant Spring
Situated in Jamaica, Constant Spring falls under the Köppen climate classification of 'Aw', meaning it possesses a tropical wet and dry or savanna climate. The area experiences high temperatures throughout the year, coupled with substantial humidity and frequent rainfall. Meanwhile, wind speeds tend to remain moderate, and visibility remains at around 10km (6.2mi) all year round.Taking into account the monthly averages, the year is marked by highs of 27.3°C (81.1°F) to 30.3°C (86.5°F) and lows between 21.6°C (70.9°F) and 24.3°C (75.7°F). An interesting point in the climatology of Constant Spring is that the relative humidity varies minimally ranging from 78% to 82%. Rainfall throughout the year fluctuates noticeably, with the least volume in February at 44mm (1.73"), to a maximum in October accumulating up to 184mm (7.24"). Furthermore, Days of rainfall have an increasing trend till October, only to decrease until it reaches February.
Pressure changes are not pronounced, hovering between 1011.5 mb and 1015.5 mb throughout the year. This equability is also seen in the areas of cloud cover and UV index, which remain relatively steady, varying only between 29% and 38%, and 6 and 7 respectively.
The best time to visit Constant Spring
In terms of temperature, the warmer months of July to September offer the highest averages and are ideal for those who enjoy basking in tropical warmth. August is particularly good, with the maximum temperature reaching up to 30.3°C (86.5°F). This period also sees impressive daylight hours from 12.7 hours to 13.2 hours per day, and consistent sunshine hours varying between 9.7 hours to 10.8 hours. Expect rainfall during these months but lesser than the months of May and October, making it overall an attractive time for a visit.The worst time to visit Constant Spring
The months with least favorable weather, particularly in terms of rainfall, are May and October. These two months see the heaviest rain, with rainfall averaging 154mm (6.06") and 184mm (7.24") respectively. Additionally, the number of rainfall days also peak in these months, October having up to 28.7 days on an average dedicated to rainfall. Despite this, if visitors don’t mind the tropical rains, these months can still offer a unique experience with the lush greenery and temperatures still comfortably within the tropical range.Spring weather in Constant Spring
The months between March to May in Constant Spring welcome what can be referred to as 'spring weather'. High temperatures during this time range from 27.7°C (81.9°F) to 28.7°C (83.7°F) and low temperatures fluctuate from 21.7°C (71.1°F) to 23.2°C (73.8°F). An increase in rainfall volume from 59mm (2.32") to 154mm (6.06") is observed along with a minor increase in humidity. A peak in daylight hours occurs in May at 13 hours per day. Joyously, this period also tends to offer an increase in sunshine hours, particularly in May, boasting an average of 10.1 hours per day.Summer weather in Constant Spring
Defined by the hottest temperatures of the year, the summer season in Constant Spring lasts from June to August. Temperatures during this period range from 29.3°C (84.7°F) to 30.3°C (86.5°F) at the high end and 24°C (75.2°F) to 24.3°C (75.7°F) at the lower end. Rainfall remains considerable during these months ranging from 120mm (4.72") to 131mm (5.16"). Amidst this, the area enjoys the highest daylight hours up to 13.2 hours in June and more than 9.7 hours of sunshine each day, creating an authentic tropical summer.Autumn weather in Constant Spring
The months between September and November encompass 'autumn weather'. During these months, temperature highs decrease from 30.1°C (86.2°F) to 28.6°C (83.5°F), with the lows varying from 24.1°C (75.4°F) to 23.4°C (74.1°F). Rainfall notably spikes in October to 184mm (7.24"), to then decrease to 112mm (4.41") in November. Despite October’s excessive precipitation, this season still charms with reasonably high sunshine hours, daylight averaging more than 11.7 hours per day, and temperatures remaining in comfortable tropical ranges.Winter weather in Constant Spring
With milder temperatures and decreasing rainfall, winter in Constant Spring from December through February offers a pleasant climate. Average temperatures fluctuate from a high of 27.3°C (81.1°F) to 27.8°C (82°F) and lows between 21.7°C (71.1°F) to 22.4°C (72.3°F). Even during the coldest month of the year, February, temperatures remain comfortably warm. Rainfall during this period minimizes from 76mm (2.99") in December to 52mm (2.05") in February, creating a drier environment. Despite lesser daylight hours (from 11.3 hours to 11.1 hours), the area continues to benefit from approximately 6.5 hours of sunshine during the day, providing fairly ample opportunities for outdoor activities.Weather in January
January in Constant Spring, Jamaica, marks the commencement of the year with pleasant climatic conditions. The temperature in January fluctuates between 21.7°C (71.1°F) and 27.3°C (81.1°F). It promises to be a suitable period for outdoor activities as the delightful weather, coupled with an average daylight of 11.2 hours, ensures ample time for sightseeing. Weather in January »Weather in February
February experiences marginally warmer and drier conditions compared to January. The temperature ranges from 21.6°C (70.9°F) to 27.3°C (81.1°F), with a relative humidity of 79%. As the month proceeds, the weather turns towards March’s slightly warmer conditions. Weather in February »Weather in March
March in Constant Spring, Jamaica, brings about an incremental rise in the temperature, moving from 21.7°C (71.1°F) to 27.7°C (81.9°F). Even though the temperatures start to rise, there is sufficient sunshine with 12.1 hours of daylight on average, giving plenty of time to explore and enjoy the city. Weather in March »Weather in April
April is among the more comfortable months in Constant Spring, Jamaica, with a temperature varying between 22.6°C (72.7°F) and 28.7°C (83.7°F). Despite an increase in rainfall to 78mm (3.07") across 24.4 days, it does not considerably impact the outdoor activities due to long daylight hours - a notable 12.6 hours on average. Weather in April »Weather in May
May signifies the arrival of the warmest period in Constant Spring, Jamaica, with temperatures oscillating between 23.2°C (73.8°F) and 28.7°C (83.7°F). An attention-grabbing feature of the month is remarkably high rainfall at 154mm (6.06") across 27.5 days which produces intensely lush green surroundings. Weather in May »Weather in June
June mirrors the weather conditions of May but sees the highest average low temperature at 24°C (75.2°F) and a small escalation in the high temperature to 29.3°C (84.7°F). This month, along with a nominal decrease in rainfall to 122mm (4.8") across 26.1 days contributes to the wet and hot reputation of Constant Spring, Jamaica. Weather in June »Weather in July
July bears the brunt of the Jamaican heat, with the temperature peaking at 30°C (86°F) while the low being registered at 24.3°C (75.7°F). This month experiences a marginal decline in rainfall compared to June at 120mm (4.72") over 26.2 days. Weather in July »Weather in August
August shares similar weather conditions to July but with a slight drop in temperature from 30°C (86°F) to 30.3°C (86.5°F). Interestingly, despite higher daytime temperatures, the rainfall increases to 131mm (5.16") over 27.8 days, providing a brief respite from the intense summer heat. Weather in August »Weather in September
September in Constant Spring, Jamaica enjoys relatively cooler climatic conditions ranging from 24.1°C (75.4°F) to 30.1°C (86.2°F). Notably, September handles the maximum rainfall of the year, 154mm (6.06") over 27.1 days, making the vegetation lush and vibrant. Weather in September »Weather in October
October continues the trend of lower temperatures, from 24°C (75.2°F) to 29.2°C (84.6°F), and high precipitation in Constant Spring, Jamaica. It registers the maximum rainfall of the year at 184mm (7.24") across 28.7 days, creating a lush landscape around the city. Weather in October »Weather in November
November sees a considerable fall in both temperature and rainfall in Constant Spring, Jamaica. The city experiences temperatures between 23.4°C (74.1°F) and 28.6°C (83.5°F). Witnessing a sharp decrease, rainfall drops to 112mm (4.41") over 26 days, from October's 184mm (7.24"), indicating the arrival of the drier season. Weather in November »Weather in December
December in Constant Spring, Jamaica, ushers in cooler temperatures ranging from 22.4°C (72.3°F) to 27.8°C (82°F). With a significant decrease in rainfall to 76mm (2.99") across 25.7 days, the drier season sets in, making it an opportune time for outdoor activities. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Constant Spring, Jamaica
The warmest month (with the highest average high temperature) is August (30.3°C).
The months with the lowest average high temperature are January and February (27.3°C).
The month with the highest average low temperature is July (24.3°C).
The coldest month (with the lowest average low temperature) is February (21.6°C).
Average pressure
Constant Spring, 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
Constant Spring, Jamaica
- Average wind speed in January:
10.5km/h - Average wind speed in February:
10.3km/h - Average wind speed in March:
9.7km/h - Average wind speed in April:
9.8km/h - Average wind speed in May:
10.8km/h - Average wind speed in June:
12.8km/h
- Average wind speed in July:
12.1km/h - Average wind speed in August:
10.8km/h - Average wind speed in September:
8.9km/h - Average wind speed in October:
8.8km/h - Average wind speed in November:
8.6km/h - Average wind speed in December:
10km/h
The windiest month (with the highest average wind speed) is June (12.8km/h).
The calmest month (with the lowest average wind speed) is November (8.6km/h).
Average humidity
Constant Spring, Jamaica
The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is March (78%).
Average rainfall
Constant Spring, Jamaica
- Average rainfall in January:
52mm - Average rainfall in February:
44mm - Average rainfall in March:
59mm - Average rainfall in April:
78mm - Average rainfall in May:
154mm - Average rainfall in June:
122mm
- Average rainfall in July:
120mm - Average rainfall in August:
131mm - Average rainfall in September:
154mm - Average rainfall in October:
184mm - Average rainfall in November:
112mm - Average rainfall in December:
76mm
The wettest month (with the highest rainfall) is October (184mm).
The driest month (with the least rainfall) is February (44mm).
Average rainfall days
Constant Spring, Jamaica
- Average rainfall days in January:
23.9 days - Average rainfall days in February:
22.1 days - Average rainfall days in March:
25.4 days - Average rainfall days in April:
24.4 days - Average rainfall days in May:
27.5 days - Average rainfall days in June:
26.1 days
- Average rainfall days in July:
26.2 days - Average rainfall days in August:
27.8 days - Average rainfall days in September:
27.1 days - Average rainfall days in October:
28.7 days - Average rainfall days in November:
26 days - Average rainfall days in December:
25.7 days
The month with the highest number of rainy days is October (28.7 days).
The month with the least rainy days is February (22.1 days).
Average daylight / Average sunshine
Constant Spring, 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 48min - Average sunshine in February:
8h and 30min - Average sunshine in March:
8h and 36min - Average sunshine in April:
10h and 18min - Average sunshine in May:
10h and 6min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
10h and 48min - Average sunshine in September:
10h and 48min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 36min - Average sunshine in December:
6h and 30min
The months with the most sunshine are August and September (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days
Constant Spring, Jamaica
- Average sunshine days in January:
3.4 days - Average sunshine days in February:
3.1 days - Average sunshine days in March:
2.7 days - Average sunshine days in April:
2.4 days - Average sunshine days in May:
1.6 days - Average sunshine days in June:
1.1 days
- Average sunshine days in July:
1.1 days - Average sunshine days in August:
0.3 days - Average sunshine days in September:
0.8 days - Average sunshine days in October:
0.8 days - Average sunshine days in November:
1.7 days - Average sunshine days in December:
1.8 days
The month with the most sunshine days is January (3.4 days).
The month with the least sunshine days is August (0.3 days).
Average UV index
Constant Spring, Jamaica
The months with the highest UV index are June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, November and December (UV index 6).
Average cloud cover
Constant Spring, Jamaica
The month with the most cloud cover is June (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Constant Spring, Jamaica
The months with the highest visibility are January, February, March, April, June, July, November and December (10km).
The months with the lowest visibility are May, August, September and October (9km).





