Day
29 °C
Night
22 °C
Sea
26 °C
Precipitation
83 mm
in month
Rainy days
10 days
in month
Daylight
11 hours
average
Sunshine
7 hours
average
Humidity
77 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Nestled in the heart of Antigua and Barbuda, Jolly Harbour boasts a tropical climate that delightfully oscillates between warm balmy days and temperate nights. Daily temperatures pleasantly span from 29 °C (83 °F) in the cooler month of January to a peak of 31 °C (88 °F) in the sultry month of August. Sea temperatures mirror the inviting ambience, ranging from 26 °C (79 °F) in the refreshing month of February to a zenith of 29 °C (83 °F) as September unfolds. The most tranquil night temperatures make their presence felt in August at 25 °C (78 °F), while February ushers in the cooler spectrums at 22 °C (72 °F). Notably, March sees the scantiest rainfall with a mere 7 of precipitation, while October's skies open to the most rainfall, characterised by 13 of downpour.
The lowest daytime temperature, settling at 29 °C (83 °F), graces Jolly Harbour in January, as the sea temperature begins its gentle decline, reaching 26 °C (79 °F). Rainfall dwindles, as does the number of rainy days. A noteworthy rise in cloudless sun hours commences, registering 7 hours, with the gentle dip in nighttime temperatures observable at 22 °C (72 °F).
With sea temperature touching its annual nadir of 26 °C (79 °F) in Jolly Harbour and nightlife embracing its coolest air in February, the decrease in rainfall volume is notable, as well as the reduction in the count of rainy days.
A distinct minimum in rainy days, 7 days, punctuates March in Jolly Harbour, coupled with the lowest relative humidity of 76 % observed. The ascent of cloud-free sun hours is marked, registering 8 hours.
An ascent in sea temperature to 27 °C (80 °F) and an accompanying rise in daytime warmth to 30 °C (85 °F) commence in April at Jolly Harbour, alongside increasing rainfall patterns. Night temperatures gently climb as well.
Jolly Harbour experiences an uplift in day temperatures, rising to 30 °C (87 °F), while the sea keeps warming to 27 °C (81 °F). Rainy day frequency notably rises in May, with rainfall intensity on the upswing. Night warmth is also palpable, distributed at 24 °C (76 °F), and sun hours see a subtle decrement.
June in Jolly Harbour signals the initial decline in rainfall, with a discernible increment in nocturnal temperatures, indicated at 25 °C (77 °F). Daylight duration hits its zenith this month.
July's Jolly Harbour weather predicates a minor rise in rainy days to 10 days, accompanied by a slight increase in rainfall. The apogee of sun exposure is clear, manifesting 8 hours. The wind reaches its most vigorous at 6.
August bears witness to an uptick in the number of rainy days to 12 days and a commensurate rise in precipitation volume in Jolly Harbour, while both day and night temperatures touch their maximums at 31 °C (88 °F) and 25 °C (78 °F) respectively.
September's decline in sunlight duration commences in Jolly Harbour as the sea basks in its warmest at 29 °C (83 °F).
October peaks with the highest number of rainy days, deepened to 13 days in Jolly Harbour, and is coupled with an escalation in rainfall. Wind speed minimizes to 4, while humidity soars, reaching an apex at 81 %.
The commencement of temperature drop is noticeable in Jolly Harbour during November, with day warmth retracting to 30 °C (86 °F) and the sea's embrace cooling slightly.
December's continuity in descending temperatures is clear, with Jolly Harbour's daytime readings easing to 29 °C (84 °F), and the sea's touch mellowing comparably. Nighttime temperatures also taper off, and minimum sun hours are recorded.
In January, Jolly Harbour rests at a cozy average night temperature of about 22 °C (72 °F).
Expect a modest average rainfall of 46 mm (1.81 in) for the month of February in Jolly Harbour.
March in Jolly Harbour offers a relatively lower humidity level of 76 %, making for a comfortably dry climate suitable for outdoor activities.
The sea temperature in Jolly Harbour during April begins to rise, reaching an agreeable 27 °C (80 °F).
The evening air in May in Jolly Harbour warms up, averaging at a temperate 24 °C (76 °F).
In June, daylight extends to its longest throughout the year in Jolly Harbour, averaging 13 hours.
July experiences the strongest winds of the year in Jolly Harbour, blowing at an average of 6.
August stands out in Jolly Harbour for having the warmest days and nights of the year, peaking at 31 °C (88 °F) and 25 °C (78 °F) respectively.
The sea in Jolly Harbour is at its warmest in September, ideal for swimming, with temperatures averaging 29 °C (83 °F).
Expect high humidity in Jolly Harbour during October, which peaks at around 81 %.
November sees Jolly Harbour's daytime temperature gently retreating, with an average high of 30 °C (86 °F).
As December rolls in, Jolly Harbour witnesses a slight chill with reduced daytime temperatures averaging 29 °C (84 °F) and decreased sea temperatures.