Saint Helena, Saint Helena Climate

Weather: 20.11°C/68.2°F, Wind SW at 6.87 km/h, 71% Humidity, 0% Chance of rain

Saint Helena
(Photo by Alex Smith on Unsplash)
Contents

Saint Helena Climate Summary

Located at an elevation of 601.22 meters (1972.51 feet) above sea level, Saint Helena has a Tropical and subtropical desert climate climate (Classification: Bwh). The city’s yearly temperature is 21.34ºC (70.41ºF) and it is 0.84% higher than Saint Helena’s averages. Saint Helena typically receives about 18.26 millimeters (0.72 inches) of precipitation and has 76.45 rainy days (20.95% of the time) annually.

CountrySaint Helena
Longitude-5.7089241
Latitude-15.9650104
Attitude/Elevation601.22m (1972.51ft)
Local timeThursday 16:30
Annual high temperature22.66ºC (72.79ºF)
Annual low temperature20.02ºC (68.04ºF)
Average annual precip.18.26mm (0.72in)
Warmest monthFebruary (24.91ºC / 76.84ºF)
Coldest MonthSeptember (17.6ºC / 63.68ºF)
Wettest MonthJune (26.15mm / 1.03in)
Driest MonthNovember (14.32mm / 0.56in)
Number of days with rainfall (≥ 1.0 mm)76.45 days (20.95%)
Days with no rain288.55 days (79.05%)
Humidity77.48%

Climate Saint Helena: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)27.0(80.6)28.0(82.4)27.0(80.6)27.0(80.6)27.0(80.6)26.0(78.8)24.0(75.2)23.0(73.4)23.0(73.4)23.0(73.4)23.0(73.4)25.0(77.0)28.0(82.4)
Average high °C (°F)24.14(75.45)24.91(76.84)24.73(76.51)24.32(75.78)23.79(74.82)22.92(73.26)21.64(70.95)20.84(69.51)20.54(68.97)20.57(69.03)21.18(70.12)22.34(72.21)22.66(72.79)
Daily mean °C (°F)22.93(73.27)23.71(74.68)23.77(74.79)23.32(73.98)22.45(72.41)21.36(70.45)20.18(68.32)19.4(66.92)19.05(66.29)19.1(66.38)19.73(67.51)21.09(69.96)21.34(70.41)
Average low °C (°F)21.23(70.21)22.39(72.3)22.82(73.08)22.39(72.3)21.32(70.38)20.02(68.04)18.79(65.82)18.04(64.47)17.6(63.68)17.72(63.9)18.38(65.08)19.5(67.1)20.02(68.04)
Record low °C (°F)12.0(53.6)12.0(53.6)13.0(55.4)13.0(55.4)11.0(51.8)10.0(50.0)10.0(50.0)8.0(46.4)8.0(46.4)7.0(44.6)8.0(46.4)10.0(50.0)7.0(44.6)
Average precipitation mm (inches)16.39(0.65)17.76(0.7)20.14(0.79)16.45(0.65)15.82(0.62)26.15(1.03)21.47(0.85)22.42(0.88)17.11(0.67)15.21(0.6)14.32(0.56)15.85(0.62)18.26(0.72)
Average precipitation days (≥ 1.0 mm)4.456.187.095.366.011.08.739.825.093.644.184.916.37
Average relative humidity (%)79.3577.8477.2875.975.3573.1473.976.278.7381.7480.8579.5177.48
Mean monthly sunshine hours10.3410.069.649.518.117.589.057.917.559.0810.1110.89.14

Climate Graph

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

Saint Helena

Saint Helena Temperature by Month

March
23.77°C | 74.79°F
February
23.71°C | 74.68°F
April
23.32°C | 73.98°F
January
22.93°C | 73.27°F
May
22.45°C | 72.41°F
June
21.36°C | 70.45°F
December
21.09°C | 69.96°F
July
20.18°C | 68.32°F
November
19.73°C | 67.51°F
August
19.4°C | 66.92°F
October
19.1°C | 66.38°F
September
19.05°C | 66.29°F

Historical Data

Summary
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature26.0°C (78.8°F)24.72°C (76.5°F)24.0°C (75.2°F)
Avg Temperature24.0°C (75.2°F)23.38°C (74.08°F)22.0°C (71.6°F)
Min Temperature23.0°C (73.4°F)18.31°C (64.96°F)12.0°C (53.6°F)
Dew PointMaxAverageMin
Dew Point20.0°C (68.0°F)18.76°C (65.77°F)17.0°C (62.6°F)
PrecipitationMaxAverageMinSum
Precipitation1.6mm | 0.06in0.86mm | 0.03in0.1mm | 0.0in24.8mm | 0.98in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind31.0kmh | 19.26mph22.86kmh | 14.2mph11.0kmh | 6.84mph
Gust Wind43.0kmh | 26.72mph32.41kmh | 20.14mph17.0kmh | 10.56mph
Sea Level PressureMaxAverageMin
Sea Level Pressure1.6mb0.86mb0.1mb
Saint Helena

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
February° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-02-0122 | 71.619 | 66.27823 | 14.2930.0 | 10160.8 | 0.03
2020-02-0223 | 73.420 | 68.07722 | 13.6729.97 | 10150.6 | 0.02
2020-02-0323 | 73.419 | 66.27823 | 14.2930.0 | 10160.4 | 0.02
2020-02-0422 | 71.619 | 66.27822 | 13.6729.97 | 10150.5 | 0.02
2020-02-0523 | 73.419 | 66.27923 | 14.2929.97 | 10150.1 | 0.0
2020-02-0623 | 73.419 | 66.27924 | 14.9129.97 | 10150.6 | 0.02
2020-02-0724 | 75.220 | 68.07922 | 13.6729.97 | 10150.8 | 0.03
2020-02-0824 | 75.220 | 68.08023 | 14.2929.97 | 10151.2 | 0.05
2020-02-0924 | 75.220 | 68.07828 | 17.430.03 | 10171.1 | 0.04
2020-02-1023 | 73.419 | 66.27729 | 18.0230.03 | 10171.1 | 0.04
2020-02-1124 | 75.219 | 66.27525 | 15.5330.0 | 10161.6 | 0.06
2020-02-1223 | 73.419 | 66.27424 | 14.9130.0 | 10161.1 | 0.04
2020-02-1324 | 75.218 | 64.47227 | 16.7829.97 | 10151.3 | 0.05
2020-02-1424 | 75.219 | 66.27224 | 14.9129.94 | 10141.2 | 0.05
2020-02-1524 | 75.220 | 68.07525 | 15.5329.91 | 10131.1 | 0.04
2020-02-1623 | 73.420 | 68.07621 | 13.0529.94 | 10141.4 | 0.06
2020-02-1723 | 73.420 | 68.08031 | 19.2630.0 | 10161.0 | 0.04
2020-02-1824 | 75.218 | 64.47330 | 18.6430.0 | 10160.6 | 0.02
2020-02-1924 | 75.219 | 66.27227 | 16.7829.97 | 10151.1 | 0.04
2020-02-2024 | 75.219 | 66.27425 | 15.5329.94 | 10140.8 | 0.03
2020-02-2123 | 73.419 | 66.27625 | 15.5329.94 | 10140.5 | 0.02
2020-02-2223 | 73.419 | 66.27526 | 16.1629.97 | 10151.3 | 0.05
2020-02-2323 | 73.418 | 64.47420 | 12.4329.97 | 10151.0 | 0.04
2020-02-2424 | 75.218 | 64.47117 | 10.5629.94 | 10140.4 | 0.02
2020-02-2524 | 75.217 | 62.67016 | 9.9429.91 | 10130.4 | 0.02
2020-02-2623 | 73.417 | 62.67118 | 11.1829.91 | 10130.7 | 0.03
2020-02-2723 | 73.417 | 62.66816 | 9.9429.91 | 10130.3 | 0.01
2020-02-2823 | 73.417 | 62.67016 | 9.9429.91 | 10130.7 | 0.03
2020-02-2924 | 75.217 | 62.66711 | 6.8429.88 | 10121.1 | 0.04

Saint Helena 10 Year Historical Weather Data

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