Saint Helena, Saint Helena Climate

Weather: 17.75°C/63.95°F, Wind SW at 6.15 km/h, 60% Humidity, 0% Chance of rain

Saint Helena
(Photo by Alex Smith on Unsplash)

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 20:01
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

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