Half Tree Hollow, Saint Helena, Saint Helena Climate

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

Saint Helena
(Photo by Zach Plank on Unsplash)
Contents

Half Tree Hollow Climate Summary

Located at an elevation of 310.26 meters (1017.91 feet) above sea level, Half Tree Hollow has a Tropical and subtropical desert climate climate (Classification: Bwh). The district’s yearly temperature is 22.0ºC (71.6ºF) and it is 1.5% higher than Saint Helena’s averages. Half Tree Hollow typically receives about 18.83 millimeters (0.74 inches) of precipitation and has 78.83 rainy days (21.6% of the time) annually.

Country Saint Helena
City Saint Helena
Longitude -5.7207683
Latitude -15.9339725
Attitude/Elevation 310.26m (1017.91ft)
Local time Thursday 12:47
Annual high temperature 23.36ºC (74.05ºF)
Annual low temperature 20.64ºC (69.15ºF)
Average annual precip. 18.83mm (0.74in)
Warmest month February (25.68ºC / 78.22ºF)
Coldest Month September (18.15ºC / 64.67ºF)
Wettest Month June (26.96mm / 1.06in)
Driest Month November (14.77mm / 0.58in)
Number of days with rainfall (≥ 1.0 mm) 78.83 days (21.6%)
Days with no rain 286.17 days (78.4%)
Humidity 79.89%

Climate Half Tree Hollow: Weather By Month

Month Jan Feb Mar Apr May Jun Jul Aug Sep Nov Oct Dec Year
Record high °C (°F) 27.84(82.11) 28.87(83.97) 27.84(82.11) 27.84(82.11) 27.84(82.11) 26.81(80.26) 24.75(76.55) 23.72(74.7) 23.72(74.7) 23.72(74.7) 23.72(74.7) 25.78(78.4) 28.87(83.97)
Average high °C (°F) 24.89(76.8) 25.68(78.22) 25.5(77.9) 25.08(77.14) 24.53(76.15) 23.63(74.53) 22.31(72.16) 21.49(70.68) 21.18(70.12) 21.21(70.18) 21.84(71.31) 23.03(73.45) 23.36(74.05)
Daily mean °C (°F) 23.64(74.55) 24.45(76.01) 24.51(76.12) 24.05(75.29) 23.15(73.67) 22.02(71.64) 20.81(69.46) 20.0(68.0) 19.64(67.35) 19.69(67.44) 20.34(68.61) 21.75(71.15) 22.0(71.6)
Average low °C (°F) 21.89(71.4) 23.09(73.56) 23.53(74.35) 23.09(73.56) 21.98(71.56) 20.64(69.15) 19.37(66.87) 18.6(65.48) 18.15(64.67) 18.27(64.89) 18.95(66.11) 20.11(68.2) 20.64(69.15)
Record low °C (°F) 12.37(54.27) 12.37(54.27) 13.4(56.12) 13.4(56.12) 11.34(52.41) 10.31(50.56) 10.31(50.56) 8.25(46.85) 8.25(46.85) 7.22(45.0) 8.25(46.85) 10.31(50.56) 7.22(45.0)
Average precipitation mm (inches) 16.9(0.67) 18.31(0.72) 20.77(0.82) 16.96(0.67) 16.31(0.64) 26.96(1.06) 22.14(0.87) 23.12(0.91) 17.64(0.69) 15.68(0.62) 14.77(0.58) 16.34(0.64) 18.83(0.74)
Average precipitation days (≥ 1.0 mm) 4.59 6.37 7.31 5.53 6.19 11.34 9.0 10.13 5.25 3.75 4.31 5.06 6.57
Average relative humidity (%) 81.82 80.26 79.68 78.26 77.69 75.41 76.2 78.57 81.18 84.28 83.36 81.98 79.89
Mean monthly sunshine hours 10.66 10.37 9.94 9.81 8.36 7.82 9.33 8.16 7.78 9.36 10.42 11.14 9.42

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Half Tree Hollow in recent years.

Half Tree Hollow Temperature by Month

March
24.51°C | 76.12°F
February
24.45°C | 76.01°F
April
24.05°C | 75.29°F
January
23.64°C | 74.55°F
May
23.15°C | 73.67°F
June
22.02°C | 71.64°F
December
21.75°C | 71.15°F
July
20.81°C | 69.46°F
November
20.34°C | 68.61°F
August
20.0°C | 68.0°F
October
19.69°C | 67.44°F
September
19.64°C | 67.35°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
Temperature Max Average Min
Max Temperature 23.72°C (74.7°F) 21.88°C (71.38°F) 20.62°C (69.12°F)
Avg Temperature 21.65°C (70.97°F) 20.62°C (69.12°F) 19.59°C (67.26°F)
Min Temperature 20.62°C (69.12°F) 19.59°C (67.26°F) 18.56°C (65.41°F)
Dew Point Max Average Min
Dew Point 17.53°C (63.55°F) 15.54°C (59.97°F) 12.37°C (54.27°F)
Precipitation Max Average Min Sum
Precipitation 0.82mm | 0.03in 0.34mm | 0.01in 0.0mm | 0in 10.61mm | 0.42in
Snowdepth 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in 0.0mm | 0in
Wind Max Average Min
Wind 40.21kmh | 24.99mph 25.15kmh | 15.63mph 8.25kmh | 5.13mph
Gust Wind 57.74kmh | 35.88mph 35.56kmh | 22.1mph 11.34kmh | 7.05mph
Sea Level Pressure Max Average Min
Sea Level Pressure 0.82mb 0.34mb 0.0mb

Daily Observations

Time Temperature Dew Point Humidity Wind Speed Pressure Precipitation
July ° C | ° F ° C | ° F % Kph | Mph Hg | Mb Total (mm/in)
2019-07-01 21.65 | 70.97 16.5 | 61.7 73 40.21 | 24.99 31.09 | 1052.75 0.62 | 0.02
2019-07-02 20.62 | 69.12 16.5 | 61.7 75 35.06 | 21.79 31.03 | 1050.69 0.62 | 0.02
2019-07-03 20.62 | 69.12 16.5 | 61.7 76 35.06 | 21.79 31.03 | 1050.69 0.72 | 0.03
2019-07-04 20.62 | 69.12 16.5 | 61.7 78 39.18 | 24.35 31.06 | 1051.72 0.72 | 0.03
2019-07-05 20.62 | 69.12 16.5 | 61.7 78 40.21 | 24.99 31.06 | 1051.72 0.82 | 0.03
2019-07-06 20.62 | 69.12 15.47 | 59.85 75 33.0 | 20.51 31.06 | 1051.72 0.62 | 0.02
2019-07-07 20.62 | 69.12 15.47 | 59.85 73 27.84 | 17.3 31.03 | 1050.69 0.52 | 0.02
2019-07-08 19.59 | 67.26 14.44 | 57.99 73 19.59 | 12.17 31.06 | 1051.72 0.21 | 0.01
2019-07-09 20.62 | 69.12 15.47 | 59.85 74 17.53 | 10.89 31.06 | 1051.72 0.0 | 0
2019-07-10 19.59 | 67.26 14.44 | 57.99 72 14.44 | 8.97 31.03 | 1050.69 0.0 | 0
2019-07-11 20.62 | 69.12 14.44 | 57.99 71 20.62 | 12.81 31.03 | 1050.69 0.31 | 0.01
2019-07-12 20.62 | 69.12 14.44 | 57.99 70 21.65 | 13.45 31.06 | 1051.72 0.21 | 0.01
2019-07-13 20.62 | 69.12 15.47 | 59.85 69 23.72 | 14.74 31.03 | 1050.69 0.82 | 0.03
2019-07-14 20.62 | 69.12 14.44 | 57.99 70 23.72 | 14.74 31.03 | 1050.69 0.62 | 0.02
2019-07-15 20.62 | 69.12 14.44 | 57.99 68 19.59 | 12.17 31.03 | 1050.69 0.1 | 0.0
2019-07-16 20.62 | 69.12 15.47 | 59.85 72 20.62 | 12.81 31.06 | 1051.72 0.1 | 0.0
2019-07-17 20.62 | 69.12 15.47 | 59.85 75 24.75 | 15.38 31.06 | 1051.72 0.1 | 0.0
2019-07-18 20.62 | 69.12 16.5 | 61.7 79 21.65 | 13.45 31.03 | 1050.69 0.0 | 0
2019-07-19 20.62 | 69.12 17.53 | 63.55 79 18.56 | 11.53 31.03 | 1050.69 0.0 | 0
2019-07-20 20.62 | 69.12 17.53 | 63.55 80 16.5 | 10.25 31.0 | 1049.66 0.0 | 0
2019-07-21 20.62 | 69.12 16.5 | 61.7 76 20.62 | 12.81 31.03 | 1050.69 0.0 | 0
2019-07-22 20.62 | 69.12 16.5 | 61.7 75 30.93 | 19.22 31.06 | 1051.72 0.31 | 0.01
2019-07-23 20.62 | 69.12 15.47 | 59.85 74 37.12 | 23.07 31.06 | 1051.72 0.62 | 0.02
2019-07-24 20.62 | 69.12 15.47 | 59.85 72 33.0 | 20.51 31.06 | 1051.72 0.62 | 0.02
2019-07-25 20.62 | 69.12 15.47 | 59.85 70 27.84 | 17.3 31.06 | 1051.72 0.31 | 0.01
2019-07-26 20.62 | 69.12 14.44 | 57.99 67 18.56 | 11.53 31.03 | 1050.69 0.1 | 0.0
2019-07-27 20.62 | 69.12 12.37 | 54.27 61 8.25 | 5.13 31.0 | 1049.66 0.0 | 0
2019-07-28 21.65 | 70.97 15.47 | 59.85 68 11.34 | 7.05 30.97 | 1048.63 0.1 | 0.0
2019-07-29 20.62 | 69.12 16.5 | 61.7 75 24.75 | 15.38 31.03 | 1050.69 0.41 | 0.02
2019-07-30 20.62 | 69.12 14.44 | 57.99 70 28.87 | 17.94 31.06 | 1051.72 0.41 | 0.02
2019-07-31 20.62 | 69.12 15.47 | 59.85 72 24.75 | 15.38 31.06 | 1051.72 0.62 | 0.02

Half Tree Hollow 11 Year Historical Weather Data

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