Saint John's weather and climate
Saint John's weather and climate
Day
30 °C
Night
24 °C
Sea
27 °C
Precipitation
94 mm
in month
Rainy days
10 days
in month
Daylight
13 hours
average
Sunshine
8 hours
average
Humidity
78 %
Day
30 °C
Night
24 °C
Sea
27 °C
Precipitation
94 mm
in month
Rainy days
10 days
in month
Daylight
13 hours
average
Sunshine
8 hours
average
Humidity
78 %
Overview: Saint John's
Weather charts for Saint John's
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Weather overview for Saint John's
Weather overview
The tropical haven of Saint John's, located in the picturesque Antigua and Barbuda, is renowned for its predominantly warm climate that offers a comforting escape across the seasons. During the day, the city experiences temperate conditions ranging from a balmy 28 °C (83 °F) in the tranquil month of February up to a toasty 31 °C (88 °F) in the zestful month of August. As nightfall brings respite from the sun's embrace, temperatures gently cool to a mild 22 °C (72 °F) in February and reach a pleasant 25 °C (78 °F) in August. Wanderers of the waters would find the sea temperatures most enticing in September, peaking at 29 °C (83 °F), while February may challenge the aquatically inclined with its cooler 26 °C (79 °F). The parched month of March boasts merely 7 days of precipitation, starkly contrasted to the deluge of October, which summons 13 days of rainfall.
January weather
In Saint John's, the trend of fewer rainy days continues, mirroring the previous month's pattern. The night and sea temperatures are observed to decline, recorded at 23 °C (73 °F) and 26 °C (79 °F), respectively. Meanwhile, the number of sunny hours begins its ascent, boasting a figure of 7 hours.
February weather
A noticeable dip to the year's lowest sea temperature occurs in Saint John's, settling at 26 °C (79 °F), with the daytime temperature also at its annual minimum. The rainfall frequency continues its decline, totaling 8 days, while the precipitation amount hits its yearly nadir, measured at 43 mm (1.69 in). The ambient night temperature is also at its lowest, recorded at 22 °C (72 °F).
March weather
Saint John's observes its lowest rainfall frequency with a mere 7 days. Rising day temperatures signify the commencement of warmth in March. A drop in humidity becomes apparent with a level of 76 %. The duration of sunshine sees a modest increase, amounting to 8 hours.
April weather
Daytime temperatures in Saint John's climb once more, reaching 30 °C (85 °F), while the sea temperature follows suit, touching 27 °C (80 °F). The rainy days' tally begins to increase, registering 9 days, along with rising precipitation. The nocturnal temperature displays an uptick as well in April.
May weather
The sea temperature's upward trend proceeds, hitting 27 °C (81 °F) in Saint John's. The daytime warmth continues to escalate, reaching 30 °C (86 °F). The count of rainy days displays a parallel increase, noted at 10 days, and the climb in rainfall volume is also discernible with 94 mm (3.71 in). A mild rise in the nocturnal temperatures can be observed, settling at 24 °C (76 °F). Sunlight hours dwindle, measured at 8 hours.
June weather
The initiation of a decrease in Saint John's rainy days is evident with a total of 8 days, paralleled by a subtle decline in precipitation at 83 mm (3.28 in). The overnight temperatures continue their ascent, noted at 25 °C (77 °F). The length of the day peaks, reaching 13 hours.
July weather
Rising rainfall patterns are noticed in July, with the count of rainy days climbing to 10 days and rainfall quantities similarly increasing. The zenith of sunlight hours is achieved in this month, reflecting the abundance of clear skies.
August weather
Saint John's swelters with the year's highest daytime temperature at 31 °C (88 °F) and the nighttime warmth peaking as well in August. The trend of more frequent rainy days persists, indicated by 12 days, and the precipitation volume continuously intensifies, logged at 125 mm (4.91 in).
September weather
September sees the sea temperature soar to its zenith at 29 °C (83 °F) in Saint John's. A downward trend in the number of sunny hours commences, reflected by 7 hours. Rainfall peaks concurrently.
October weather
In Saint John's, October sees the rainy days reaching their maximum at 13 days. The humidity also climbs to its peak, noted at 81 %. An all-time low in wind speed is observed, recorded at a gentle 4 m/s.
November weather
Saint John's experiences a downturn in daytime temperatures to 30 °C (85 °F), alongside a decrease in sea temperatures which are reflected at 28 °C (82 °F). The decline in overnight temperatures is also noted, landing at 24 °C (75 °F).
December weather
The decline in both daytime and sea temperatures is evident in Saint John's, marked at 27 °C (81 °F) for the oceanic waters. Rainfall patterns begin their descent, with the frequency of wet days noted at 12 days, and rainfall figures moderately reducing to 97 mm (3.81 in). Evening temperatures also follow a downward trajectory, stabilizing at 23 °C (74 °F). The scanty sunlight hours reach their minimum, identified at 7 hours.
FAQs
How many days with rain are expected in January in Saint John's?
January in Saint John's typically has about 10 days rainy days, or about 34 % of the month.
What are the sea conditions like in February in Saint John's?
With 26 °C (79 °F) sea temperatures expected in February, bathers in Saint John's will experience refreshing conditions, varying in comfort across individual preferences.
Is March characterized by high rainfall in Saint John's?
Contrary to a wet season, March in Saint John's greets you with only 7 days of rain throughout the month.
What weather should one expect when visiting Saint John's in April?
April offers favorable weather for a trip to Saint John's, with enjoyable daily temperatures averaging 30 °C (85 °F), temperate seas at 27 °C (80 °F), and a minuscule 9 days chance of rain.
What daytime temperatures can one anticipate in May in Saint John's?
Expect to encounter an average daytime temperature around 30 °C (86 °F) in May, ideal for basking by the sea or poolside.
How warm does it get in June in Saint John's?
June in Saint John's brings warm conditions with still pleasant evenings, ensuring a comfortable climate.
What amount of sunshine will July bring in Saint John's?
July promises an average of 8 hours of daily sunshine in Saint John's, offering ample opportunities for sun lovers.
Does August mark a dry period in Saint John's?
Contrary to being dry, August in Saint John's is marked by an estimated 12 days rain-likely days in the month.
September in Saint John's, how does the humidity feel?
In Saint John's, the humidity in September averages at 80 %, which is high but typically bearable unless you're particularly sensitive.
In October, how frequent is rain expected to be in Saint John's?
Expect the highest occurrence of rainy days in October, with about 13 days of the month experiencing rainfall.
Describe the wind conditions for Saint John's in November?
Saint John's in November can expect a moderate breeze with wind speeds averaging 5 m/s.
What nighttime temperatures are typical for Saint John's in December?
In December, expect an agreeably moderate average nighttime temperature of 23 °C (74 °F) in Saint John's, conducive to a range of nocturnal activities.