Sunheron logoSunheron
About SunheronFAQContact
Find destination...
° C
  • About Sunheron
  • FAQ
  • Contact
  • ° C

    Antigua and Barbuda

    Saint John's weather and climate

    Antigua and Barbuda

    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 %

    Weather charts for Saint John's

    JanFebMarAprMayJunJulAugSepOctNovDecTemperature (° C)15202530Precipitation (mm)0140
    Weather overview
    JanFebMarAprMayJunJulAugSepOctNovDecTemperature (° C)15202530Precipitation (mm)0140
    Wet days chart
    JanFebMarAprMayJunJulAugSepOctNovDecWet days4681012141646810121416
    Sunhours per day chart
    JanFebMarAprMayJunJulAugSepOctNovDecSunhours per day46810124681012
    Wind chart
    JanFebMarAprMayJunJulAugSepOctNovDecWind024682468
    Humidity chart
    JanFebMarAprMayJunJulAugSepOctNovDecHumidity %70758085907075808590
    Data backed by 40 years of history

    We make the most from 40 years of historical weather data to predict the best weather conditions.

    Selection of world's favourite destinations

    Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.

    16 500 000 weather records

    We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.

    Port in Saint John's in sunny weather with few clouds

    Destinations with similar weather to Saint John's

    Other destinations in Antigua and Barbuda


    Weather overview for Saint John's

    Weather overview

    Saint John's (Antigua and Barbuda) in general has a tropical climate. Temperatures during the day are in the range from 28.4 °C (83.1 °F) in February to 31.2 °C (88.2 °F) in August. Temperatures during the night go from 22.3 °C (72.1 °F) in February to 25.3 °C (77.5 °F) in August. The highest sea temperatures in Saint John's are in September with 28.5 °C (83.3 °F) and the lowest in February with 26.0 °C (78.7 °F). The driest month is March with just 7 days of rain, on the contrary, the month when it rains the most is October with 13 days of rain.

    January weather

    The number of rainy days continues to descent in Saint John's, and the rainfall amount descents similarly to the previous month too, its value is 77 mm (3.02 in). The descent of the night temperature can be observed, with its value being 22.5 °C (72.5 °F), and the descent of the sea temperature can be observed too, with its value being 26.3 °C (79.4 °F). The beginning of the rise of the number of sun hours (without clouds) could be noticed, with its value of 7 hours.

    February weather

    The minimum of the sea temperature can be noticed, with its value being 26.0 °C (78.7 °F) in Saint John's, and the day temperature is on its minimum as well in this month. The number of rainy days continues to descent, with its value being 8 days, while the rainfall amount reaches its minimum, the value of this measure is 43 mm (1.69 in). The night temperature is on its minimum, with its value of 22.3 °C (72.1 °F).

    March weather

    The number of rainy days is on its minimum, with its value being 7 days in Saint John's. The day temperature rise's start could be observed in March. The minimum of the humidity can be noticed, the value of this measure is 76 %. The number of sun hours (without clouds) starts to rise, its value is 8 hours.

    April weather

    The day temperature rises similarly to the previous month, the value of this measure is 29.5 °C (85.1 °F) in Saint John's, while the sea temperature starts to rise, its value is 26.6 °C (79.8 °F). The beginning of the rise of the number of rainy days could be noticed, with its value being 9 days, and the rainfall amount starts to rise too. The beginning of the rise of the night temperature could be noticed in this month.

    May weather

    The sea temperature rises similarly to the previous month, its value is 27.3 °C (81.1 °F) in Saint John's, and the rise of the day temperature can be observed too, the value of this measure is 30.1 °C (86.2 °F). The number of rainy days rises similarly to the previous month, its value is 10 days, and the rise of the rainfall amount can be observed as well, the value of this measure is 94 mm (3.71 in). The rise of the night temperature can be observed, with its value being 24.2 °C (75.6 °F). The number of sun hours (without clouds) starts to descent, with its value being 8 hours.

    June weather

    The number of rainy days descent's start could be observed, with its value being 8 days in Saint John's, and the rainfall amount starts to descent as well, its value is 83 mm (3.28 in). The night temperature rises similarly to the previous month, with its value of 25.0 °C (77.0 °F). The day length is on its maximum, with its value of 13 hours.

    July weather

    The beginning of the rise of the number of rainy days could be noticed, with its value of 10 days in Saint John's, and the rainfall amount starts to rise too in July. The number of sun hours (without clouds) is on its maximum in July. The maximum of the wind speed is observable in this month.

    August weather

    The day temperature reaches its maximum, with its value of 31.2 °C (88.2 °F) in Saint John's, and the night temperature is on its maximum as well in August. The number of rainy days rises similarly to the previous month, its value is 12 days, and the rainfall amount continues to rise as well, its value is 125 mm (4.91 in).

    September weather

    The sea temperature is on its maximum, with its value being 28.5 °C (83.3 °F) in Saint John's. The beginning of the descent of the number of sun hours (without clouds) could be noticed, its value is 7 hours. The rainfall amount reaches its maximum.

    October weather

    The number of rainy days reaches its maximum, its value is 13 days in Saint John's. The humidity is on its maximum, with its value of 81 %. The minimum of the wind speed is observable, the value of this measure is 4.1.

    November weather

    The day temperature starts to descent, the value of this measure is 29.7 °C (85.5 °F) in Saint John's, and the beginning of the descent of the sea temperature could be noticed too, with its value being 28.0 °C (82.4 °F). The beginning of the descent of the night temperature could be noticed, with its value of 24.0 °C (75.2 °F).

    December weather

    The day temperature descents similarly to the previous month in Saint John's, and the sea temperature continues to descent as well, with its value of 27.1 °C (80.8 °F). The number of rainy days starts to descent, its value is 12 days, and the rainfall amount descent's start could be observed as well, its value is 97 mm (3.81 in). The night temperature descents similarly to the previous month, with its value being 23.3 °C (73.9 °F). The minimum of the number of sun hours (without clouds) is observable, the value of this measure is 7 hours.

    FAQs

    How many rainy days can I expect in January in Saint John's?

    In Saint John's in January, we can expect 10 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.4 days of the week, or in general - 34 % days.

    What is the sea temperature in February in Saint John's?

    The sea will reach 26.0 °C (78.7 °F) in February in Saint John's. It will be comfortable for you to spend even a long time in a sea warm like this, there will be people for whom this temperature will be too low or too high.

    Is March part of the wet season in Saint John's?

    No, there is no wet season in March in Saint John's - you can expect 7 days of rain during the month.

    Is April a good month to visit Saint John's?

    In Saint John's in April, there are ideal conditions for a vacation. The daily temperatures in this month reach pleasant 29.5 °C (85.1 °F). The temperature of the sea will be perfect at 26.6 °C (79.8 °F). At night, temperatures hover around a pleasant 23.3 °C (73.9 °F). You can expect just 9 days of rain during the month, taking an umbrella is not necessary.

    What temperature can I expect during the day in May in Saint John's?

    The average daily temperature in Saint John's in May is 30.1 °C (86.2 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.

    Is it hot in June in Saint John's?

    In Saint John's in June, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

    How many sunny hours can I expect in July in Saint John's?

    There is an average length of sunshine of 8 hours per day in Saint John's in July.

    Is there a dry season in Saint John's in August?

    No, August is not a dry month in Saint John's, expect rain approximately 12 days in a month.

    How humid is Saint John's in September?

    Humidity in Saint John's in September is 80 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.

    How windy is it in Saint John's in November?

    An average wind scale that can be expected in November in Saint John's is 4.6.

    What is the night temperature in Saint John's in December?

    The average night temperature in December in Saint John's is 23.3 °C (73.9 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.