Saint Thomas, Us Virgin Islands Climate

Weather: 27.66°C/81.79°F, Wind SW at 2.53 km/h, 76% Humidity, 0.28% Chance of rain

(Photo by JJ Shev on Unsplash)
Contents

Saint Thomas Climate Summary

Located at an elevation of 52.41 meters (171.95 feet) above sea level, Saint Thomas has a Tropical monsoon climate (Classification: Am). The city’s yearly temperature is 27.09ºC (80.76ºF) and it is -0.05% lower than US Virgin Islands’s averages. Saint Thomas typically receives about 161.78 millimeters (6.37 inches) of precipitation and has 238.0 rainy days (65.21% of the time) annually.

CountryUS Virgin Islands
Longitude-64.8940946
Latitude18.3380965
Attitude/Elevation52.41m (171.95ft)
Local timeSunday 06:52
Annual high temperature27.68ºC (81.82ºF)
Annual low temperature26.26ºC (79.27ºF)
Average annual precip.161.78mm (6.37in)
Warmest monthSeptember (29.15ºC / 84.47ºF)
Coldest MonthMarch (24.73ºC / 76.51ºF)
Wettest MonthNovember (264.96mm / 10.43in)
Driest MonthFebruary (71.77mm / 2.83in)
Number of days with rainfall (≥ 1.0 mm)238.0 days (65.21%)
Days with no rain127.0 days (34.79%)
Humidity76.35%

Climate Saint Thomas: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)28.0(82.4)28.0(82.4)28.0(82.4)29.0(84.2)29.0(84.2)30.0(86.0)30.0(86.0)30.0(86.0)30.0(86.0)30.0(86.0)30.0(86.0)29.0(84.2)30.0(86.0)
Average high °C (°F)26.47(79.65)26.21(79.18)26.13(79.03)26.77(80.19)27.55(81.59)28.25(82.85)28.52(83.34)28.94(84.09)29.15(84.47)28.98(84.16)28.14(82.65)27.09(80.76)27.68(81.82)
Daily mean °C (°F)25.89(78.6)25.64(78.15)25.57(78.03)26.1(78.98)26.88(80.38)27.65(81.77)27.95(82.31)28.29(82.92)28.52(83.34)28.4(83.12)27.55(81.59)26.6(79.88)27.09(80.76)
Average low °C (°F)25.06(77.11)24.82(76.68)24.73(76.51)25.32(77.58)26.05(78.89)26.86(80.35)27.17(80.91)27.52(81.54)27.69(81.84)27.54(81.57)26.62(79.92)25.7(78.26)26.26(79.27)
Record low °C (°F)18.0(64.4)19.0(66.2)19.0(66.2)19.0(66.2)20.0(68.0)21.0(69.8)21.0(69.8)20.0(68.0)21.0(69.8)21.0(69.8)20.0(68.0)19.0(66.2)18.0(64.4)
Average precipitation mm (inches)82.35(3.24)71.77(2.83)100.03(3.94)89.83(3.54)185.92(7.32)116.22(4.58)159.27(6.27)249.99(9.84)264.03(10.39)246.5(9.7)264.96(10.43)110.53(4.35)161.78(6.37)
Average precipitation days (≥ 1.0 mm)19.0917.015.016.019.3616.2720.8221.9123.0924.024.5520.9119.83
Average relative humidity (%)74.8375.0775.2976.1478.1378.5278.3577.9676.4875.1975.474.876.35
Mean monthly sunshine hours10.2411.1410.8411.6812.5912.7412.7911.5310.869.128.088.1110.81

Climate Graph

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

Saint Thomas Temperature by Month

September
28.52°C | 83.34°F
October
28.4°C | 83.12°F
August
28.29°C | 82.92°F
July
27.95°C | 82.31°F
June
27.65°C | 81.77°F
November
27.55°C | 81.59°F
May
26.88°C | 80.38°F
December
26.6°C | 79.88°F
April
26.1°C | 78.98°F
January
25.89°C | 78.6°F
February
25.64°C | 78.15°F
March
25.57°C | 78.03°F

Historical Data

Summary
Go
TemperatureMaxAverageMin
Max Temperature27.0°C (80.6°F)25.9°C (78.62°F)25.0°C (77.0°F)
Avg Temperature26.0°C (78.8°F)25.55°C (77.99°F)24.0°C (75.2°F)
Min Temperature26.0°C (78.8°F)25.1°C (77.18°F)24.0°C (75.2°F)
Dew PointMaxAverageMin
Dew Point23.0°C (73.4°F)20.55°C (68.99°F)16.0°C (60.8°F)
PrecipitationMaxAverageMinSum
Precipitation4.7mm | 0.19in1.13mm | 0.04in0.0mm | 0in34.9mm | 1.37in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind29.0kmh | 18.02mph19.19kmh | 11.92mph10.0kmh | 6.21mph
Gust Wind41.0kmh | 25.48mph26.29kmh | 16.34mph14.0kmh | 8.7mph
Sea Level PressureMaxAverageMin
Sea Level Pressure4.7mb1.13mb0.0mb

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
March° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-03-0125 | 77.020 | 68.07316 | 9.9430.03 | 10170.5 | 0.02
2018-03-0225 | 77.019 | 66.26915 | 9.3230.0 | 10160.8 | 0.03
2018-03-0325 | 77.019 | 66.26812 | 7.4629.91 | 10130.0 | 0.0
2018-03-0425 | 77.020 | 68.07223 | 14.2929.83 | 10102.8 | 0.11
2018-03-0524 | 75.219 | 66.26921 | 13.0529.88 | 10122.7 | 0.11
2018-03-0625 | 77.016 | 60.86016 | 9.9430.0 | 10160.0 | 0.0
2018-03-0725 | 77.018 | 64.46621 | 13.0530.06 | 10180.0 | 0.0
2018-03-0825 | 77.022 | 71.68120 | 12.4330.03 | 10171.1 | 0.04
2018-03-0926 | 78.823 | 73.48421 | 13.0530.06 | 10181.1 | 0.04
2018-03-1026 | 78.823 | 73.48128 | 17.430.06 | 10180.5 | 0.02
2018-03-1126 | 78.822 | 71.67829 | 18.0230.06 | 10180.5 | 0.02
2018-03-1226 | 78.821 | 69.87627 | 16.7830.0 | 10160.1 | 0.0
2018-03-1326 | 78.822 | 71.67718 | 11.1830.03 | 10170.1 | 0.0
2018-03-1426 | 78.822 | 71.68021 | 13.0530.03 | 10170.5 | 0.02
2018-03-1526 | 78.821 | 69.87519 | 11.8130.03 | 10170.8 | 0.03
2018-03-1626 | 78.822 | 71.67719 | 11.8130.03 | 10170.4 | 0.02
2018-03-1726 | 78.822 | 71.67717 | 10.5630.0 | 10160.8 | 0.03
2018-03-1826 | 78.821 | 69.87413 | 8.0829.94 | 10144.7 | 0.19
2018-03-1926 | 78.820 | 68.07110 | 6.2129.91 | 10130.7 | 0.03
2018-03-2026 | 78.821 | 69.87319 | 11.8129.97 | 10150.0 | 0.0
2018-03-2126 | 78.822 | 71.67824 | 14.9130.03 | 10170.1 | 0.0
2018-03-2226 | 78.822 | 71.67820 | 12.4330.03 | 10174.4 | 0.17
2018-03-2326 | 78.822 | 71.67617 | 10.5630.0 | 10164.0 | 0.16
2018-03-2426 | 78.820 | 68.07311 | 6.8430.0 | 10160.9 | 0.04
2018-03-2526 | 78.820 | 68.07416 | 9.9430.0 | 10160.2 | 0.01
2018-03-2626 | 78.821 | 69.87617 | 10.5630.0 | 10161.2 | 0.05
2018-03-2725 | 77.020 | 68.07514 | 8.729.97 | 10153.6 | 0.14
2018-03-2825 | 77.021 | 69.87522 | 13.6729.97 | 10150.9 | 0.04
2018-03-2925 | 77.019 | 66.27026 | 16.1630.0 | 10160.4 | 0.02
2018-03-3025 | 77.018 | 64.46824 | 14.9130.0 | 10160.2 | 0.01
2018-03-3125 | 77.019 | 66.26819 | 11.8129.94 | 10140.9 | 0.04

Saint Thomas 10 Year Historical Weather Data

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