St. John'S, Saint John, Antigua And Barbuda Climate

Weather: 24.63°C/76.33°F, Wind SW at 3.09 km/h, 66% Humidity, 0% Chance of rain

(Photo by JJ Shev on Unsplash)

St. John's Climate Summary

Located at an elevation of 7.25 meters (23.79 feet) above sea level, St. John's has a Tropical rainforest climate (Classification: Af). The district’s yearly temperature is 28.26ºC (82.87ºF) and it is 1.12% higher than Antigua and Barbuda’s averages. St. John's typically receives about 151.47 millimeters (5.96 inches) of precipitation and has 261.08 rainy days (71.53% of the time) annually.

CountryAntigua and Barbuda
CitySaint John
Longitude-61.846772
Latitude17.1274104
Attitude/Elevation7.25m (23.79ft)
Local timeSunday 05:43
Annual high temperature28.53ºC (83.35ºF)
Annual low temperature27.81ºC (82.06ºF)
Average annual precip.151.47mm (5.96in)
Warmest monthSeptember (29.99ºC / 85.98ºF)
Coldest MonthFebruary (26.34ºC / 79.41ºF)
Wettest MonthOctober (256.6mm / 10.1in)
Driest MonthMarch (57.37mm / 2.26in)
Number of days with rainfall (≥ 1.0 mm)261.08 days (71.53%)
Days with no rain103.92000000000002 days (28.47%)
Humidity79.51%

Climate St. John's: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)28.13(82.63)28.13(82.63)29.17(84.51)29.17(84.51)30.21(86.38)30.21(86.38)30.21(86.38)31.25(88.25)31.25(88.25)31.25(88.25)30.21(86.38)29.17(84.51)31.25(88.25)
Average high °C (°F)27.33(81.19)27.08(80.74)27.02(80.64)27.62(81.72)28.42(83.16)29.18(84.52)29.37(84.87)29.74(85.53)29.99(85.98)29.72(85.5)28.95(84.11)28.02(82.44)28.53(83.35)
Daily mean °C (°F)27.05(80.69)26.82(80.28)26.75(80.15)27.31(81.16)28.14(82.65)28.92(84.06)29.11(84.4)29.45(85.01)29.68(85.42)29.43(84.97)28.69(83.64)27.8(82.04)28.26(82.87)
Average low °C (°F)26.58(79.84)26.34(79.41)26.34(79.41)26.92(80.46)27.68(81.82)28.48(83.26)28.69(83.64)29.0(84.2)29.24(84.63)28.94(84.09)28.19(82.74)27.32(81.18)27.81(82.06)
Record low °C (°F)19.79(67.62)19.79(67.62)21.88(71.38)23.96(75.13)21.88(71.38)21.88(71.38)22.92(73.26)23.96(75.13)22.92(73.26)21.88(71.38)19.79(67.62)20.83(69.49)19.79(67.62)
Average precipitation mm (inches)76.44(3.01)63.81(2.51)57.37(2.26)103.36(4.07)165.2(6.5)113.27(4.46)171.07(6.74)221.52(8.72)229.41(9.03)256.6(10.1)224.22(8.83)135.47(5.33)151.47(5.96)
Average precipitation days (≥ 1.0 mm)19.718.1815.0518.5622.6421.8826.0424.3323.6823.223.9623.8721.76
Average relative humidity (%)77.6477.8578.5879.6481.1780.7881.0181.079.7379.0979.2978.3779.51
Mean monthly sunshine hours9.2411.6411.5512.8213.0613.1713.0912.9712.559.838.498.5711.42

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Saint John in recent years.

St. John's Temperature by Month

September
29.68°C | 85.42°F
August
29.45°C | 85.01°F
October
29.43°C | 84.97°F
July
29.11°C | 84.4°F
June
28.92°C | 84.06°F
November
28.69°C | 83.64°F
May
28.14°C | 82.65°F
December
27.8°C | 82.04°F
April
27.31°C | 81.16°F
January
27.05°C | 80.69°F
February
26.82°C | 80.28°F
March
26.75°C | 80.15°F

Historical Data

Summary
TemperatureMaxAverageMin
Max Temperature28.13°C (82.63°F)27.49°C (81.48°F)27.08°C (80.74°F)
Avg Temperature28.13°C (82.63°F)27.16°C (80.89°F)27.08°C (80.74°F)
Min Temperature27.08°C (80.74°F)27.01°C (80.62°F)26.04°C (78.87°F)
Dew PointMaxAverageMin
Dew Point22.92°C (73.26°F)22.14°C (71.85°F)20.83°C (69.49°F)
PrecipitationMaxAverageMinSum
Precipitation9.9mm | 0.39in2.7mm | 0.11in0.21mm | 0.01in75.52mm | 2.97in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind35.42kmh | 22.01mph25.08kmh | 15.58mph8.33kmh | 5.18mph
Gust Wind48.96kmh | 30.42mph33.97kmh | 21.11mph11.46kmh | 7.12mph
Sea Level PressureMaxAverageMin
Sea Level Pressure9.9mb2.7mb0.21mb

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
February° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2015-02-0127.08 | 80.7421.88 | 71.387520.83 | 12.9431.28 | 1059.418.02 | 0.32
2015-02-0227.08 | 80.7422.92 | 73.267728.13 | 17.4831.32 | 1060.459.9 | 0.39
2015-02-0327.08 | 80.7422.92 | 73.267622.92 | 14.2431.32 | 1060.451.77 | 0.07
2015-02-0427.08 | 80.7422.92 | 73.267722.92 | 14.2431.28 | 1059.412.81 | 0.11
2015-02-0527.08 | 80.7421.88 | 71.387422.92 | 14.2431.25 | 1058.372.08 | 0.08
2015-02-0627.08 | 80.7421.88 | 71.387617.71 | 11.031.22 | 1057.332.4 | 0.09
2015-02-0727.08 | 80.7421.88 | 71.387516.67 | 10.3631.19 | 1056.283.96 | 0.16
2015-02-0827.08 | 80.7421.88 | 71.387621.88 | 13.631.22 | 1057.330.21 | 0.01
2015-02-0927.08 | 80.7421.88 | 71.387420.83 | 12.9431.19 | 1056.280.52 | 0.02
2015-02-1027.08 | 80.7421.88 | 71.387522.92 | 14.2431.16 | 1055.240.21 | 0.01
2015-02-1128.13 | 82.6322.92 | 73.267820.83 | 12.9431.16 | 1055.240.31 | 0.01
2015-02-1227.08 | 80.7422.92 | 73.26778.33 | 5.1831.22 | 1057.337.81 | 0.31
2015-02-1327.08 | 80.7422.92 | 73.267717.71 | 11.031.25 | 1058.373.85 | 0.15
2015-02-1428.13 | 82.6322.92 | 73.267623.96 | 14.8931.28 | 1059.410.83 | 0.03
2015-02-1527.08 | 80.7421.88 | 71.387221.88 | 13.631.28 | 1059.410.21 | 0.01
2015-02-1627.08 | 80.7421.88 | 71.387419.79 | 12.331.28 | 1059.410.52 | 0.02
2015-02-1727.08 | 80.7421.88 | 71.387430.21 | 18.7731.28 | 1059.411.04 | 0.04
2015-02-1827.08 | 80.7422.92 | 73.267532.29 | 20.0631.28 | 1059.412.29 | 0.09
2015-02-1927.08 | 80.7421.88 | 71.387430.21 | 18.7731.22 | 1057.331.46 | 0.06
2015-02-2027.08 | 80.7422.92 | 73.267630.21 | 18.7731.25 | 1058.371.98 | 0.08
2015-02-2127.08 | 80.7421.88 | 71.387433.33 | 20.7131.28 | 1059.413.54 | 0.14
2015-02-2227.08 | 80.7421.88 | 71.387431.25 | 19.4231.28 | 1059.418.85 | 0.35
2015-02-2327.08 | 80.7421.88 | 71.387328.13 | 17.4831.28 | 1059.412.08 | 0.08
2015-02-2427.08 | 80.7420.83 | 69.497222.92 | 14.2431.25 | 1058.370.63 | 0.02
2015-02-2527.08 | 80.7421.88 | 71.387228.13 | 17.4831.28 | 1059.413.23 | 0.13
2015-02-2627.08 | 80.7420.83 | 69.497235.42 | 22.0131.28 | 1059.411.15 | 0.05
2015-02-2727.08 | 80.7421.88 | 71.387234.38 | 21.3631.32 | 1060.451.88 | 0.07
2015-02-2827.08 | 80.7421.88 | 71.387335.42 | 22.0131.35 | 1061.491.98 | 0.08

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