Georgetown, Ascension, Saint Helena Climate
Weather: 23.28°C/73.9°F, Wind SW at 6.62 km/h, 74% Humidity, 0% Chance of rain
Georgetown Climate Summary
Located at an elevation of 15.93 meters (52.26 feet) above sea level, Georgetown has a Tropical and subtropical desert climate climate (Classification: Bwh). The district’s yearly temperature is 26.38ºC (79.48ºF) and it is 5.88% higher than Saint Helena’s averages. Georgetown typically receives about 31.4 millimeters (1.24 inches) of precipitation and has 151.24 rainy days (41.44% of the time) annually.
Country | Saint Helena |
City | Ascension |
Longitude | -14.4112011 |
Latitude | -7.926223 |
Attitude/Elevation | 15.93m (52.26ft) |
Local time | Saturday 09:29 |
Annual high temperature | 26.83ºC (80.29ºF) |
Annual low temperature | 25.64ºC (78.15ºF) |
Average annual precip. | 31.4mm (1.24in) |
Warmest month | April (28.83ºC / 83.89ºF) |
Coldest Month | September (23.99ºC / 75.18ºF) |
Wettest Month | July (44.4mm / 1.75in) |
Driest Month | January (18.45mm / 0.73in) |
Number of days with rainfall (≥ 1.0 mm) | 151.24 days (41.44%) |
Days with no rain | 213.76 days (58.56%) |
Humidity | 82.52% |
Climate Georgetown: Weather By Month
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Record high °C (°F) | 28.52(83.34) | 29.58(85.24) | 30.63(87.13) | 30.63(87.13) | 29.58(85.24) | 29.58(85.24) | 28.52(83.34) | 27.46(81.43) | 26.41(79.54) | 26.41(79.54) | 26.41(79.54) | 27.46(81.43) | 30.63(87.13) |
Average high °C (°F) | 27.03(80.65) | 27.89(82.2) | 28.74(83.73) | 28.83(83.89) | 28.25(82.85) | 27.36(81.25) | 26.45(79.61) | 25.6(78.08) | 25.17(77.31) | 25.24(77.43) | 25.47(77.85) | 25.92(78.66) | 26.83(80.29) |
Daily mean °C (°F) | 26.52(79.74) | 27.4(81.32) | 28.22(82.8) | 28.43(83.17) | 27.84(82.11) | 26.94(80.49) | 25.95(78.71) | 25.17(77.31) | 24.69(76.44) | 24.76(76.57) | 25.07(77.13) | 25.48(77.86) | 26.38(79.48) |
Average low °C (°F) | 25.73(78.31) | 26.75(80.15) | 27.52(81.54) | 27.76(81.97) | 27.02(80.64) | 26.31(79.36) | 25.13(77.23) | 24.52(76.14) | 23.99(75.18) | 24.04(75.27) | 24.29(75.72) | 24.59(76.26) | 25.64(78.15) |
Record low °C (°F) | 15.84(60.51) | 16.9(62.42) | 17.96(64.33) | 17.96(64.33) | 19.01(66.22) | 16.9(62.42) | 15.84(60.51) | 14.79(58.62) | 13.73(56.71) | 13.73(56.71) | 14.79(58.62) | 14.79(58.62) | 13.73(56.71) |
Average precipitation mm (inches) | 18.45(0.73) | 19.19(0.76) | 29.03(1.14) | 35.91(1.41) | 30.08(1.18) | 36.36(1.43) | 44.4(1.75) | 43.22(1.7) | 37.77(1.49) | 33.27(1.31) | 26.38(1.04) | 22.74(0.9) | 31.4(1.24) |
Average precipitation days (≥ 1.0 mm) | 5.19 | 4.32 | 5.66 | 8.26 | 10.37 | 14.88 | 19.3 | 22.37 | 20.94 | 17.86 | 12.58 | 9.51 | 12.6 |
Average relative humidity (%) | 83.8 | 83.82 | 82.93 | 81.78 | 80.44 | 79.28 | 79.56 | 81.8 | 83.69 | 84.62 | 84.81 | 83.65 | 82.52 |
Mean monthly sunshine hours | 10.71 | 10.97 | 11.2 | 10.72 | 10.31 | 10.31 | 9.93 | 9.49 | 9.02 | 8.82 | 9.02 | 9.33 | 9.98 |
Climate Graph
The chart below shows the mean monthly temperature and precipitation of Georgetown in recent years.
Georgetown Temperature by Month
April |
|
28.43°C | 83.17°F |
March |
|
28.22°C | 82.8°F |
May |
|
27.84°C | 82.11°F |
February |
|
27.4°C | 81.32°F |
June |
|
26.94°C | 80.49°F |
January |
|
26.52°C | 79.74°F |
July |
|
25.95°C | 78.71°F |
December |
|
25.48°C | 77.86°F |
August |
|
25.17°C | 77.31°F |
November |
|
25.07°C | 77.13°F |
October |
|
24.76°C | 76.57°F |
September |
|
24.69°C | 76.44°F |
Historical Data
Temperature | Max | Average | Min | |
---|---|---|---|---|
Max Temperature | 25.35°C (77.63°F) | 24.86°C (76.75°F) | 24.29°C (75.72°F) | |
Avg Temperature | 24.29°C (75.72°F) | 23.94°C (75.09°F) | 23.24°C (73.83°F) | |
Min Temperature | 24.29°C (75.72°F) | 19.22°C (66.6°F) | 13.73°C (56.71°F) | |
Dew Point | Max | Average | Min | |
Dew Point | 21.13°C (70.03°F) | 20.14°C (68.25°F) | 19.01°C (66.22°F) | |
Precipitation | Max | Average | Min | Sum |
Precipitation | 2.43mm | 0.1in | 1.48mm | 0.06in | 0.85mm | 0.03in | 44.35mm | 1.75in |
Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
Wind | Max | Average | Min | |
Wind | 35.91kmh | 22.31mph | 29.58kmh | 18.38mph | 23.24kmh | 14.44mph | |
Gust Wind | 49.65kmh | 30.85mph | 40.42kmh | 25.12mph | 31.69kmh | 19.69mph | |
Sea Level Pressure | Max | Average | Min | |
Sea Level Pressure | 2.43mb | 1.48mb | 0.85mb |
Daily Observations
Time | Temperature | Dew Point | Humidity | Wind Speed | Pressure | Precipitation |
---|---|---|---|---|---|---|
September | ° C | ° F | ° C | ° F | % | Kph | Mph | Hg | Mb | Total (mm/in) |
2020-09-01 | 23.24 | 73.83 | 20.07 | 68.13 | 77 | 33.8 | 21.0 | 31.66 | 1072.14 | 1.69 | 0.07 |
2020-09-02 | 23.24 | 73.83 | 20.07 | 68.13 | 76 | 25.35 | 15.75 | 31.63 | 1071.09 | 1.9 | 0.07 |
2020-09-03 | 24.29 | 75.72 | 20.07 | 68.13 | 75 | 23.24 | 14.44 | 31.66 | 1072.14 | 1.16 | 0.05 |
2020-09-04 | 23.24 | 73.83 | 21.13 | 70.03 | 79 | 32.75 | 20.35 | 31.72 | 1074.26 | 1.27 | 0.05 |
2020-09-05 | 23.24 | 73.83 | 20.07 | 68.13 | 76 | 32.75 | 20.35 | 31.72 | 1074.26 | 1.48 | 0.06 |
2020-09-06 | 24.29 | 75.72 | 20.07 | 68.13 | 79 | 33.8 | 21.0 | 31.63 | 1071.09 | 1.58 | 0.06 |
2020-09-07 | 24.29 | 75.72 | 21.13 | 70.03 | 81 | 29.58 | 18.38 | 31.63 | 1071.09 | 2.11 | 0.08 |
2020-09-08 | 24.29 | 75.72 | 20.07 | 68.13 | 80 | 32.75 | 20.35 | 31.63 | 1071.09 | 1.16 | 0.05 |
2020-09-09 | 23.24 | 73.83 | 20.07 | 68.13 | 78 | 32.75 | 20.35 | 31.69 | 1073.2 | 1.48 | 0.06 |
2020-09-10 | 24.29 | 75.72 | 20.07 | 68.13 | 77 | 28.52 | 17.72 | 31.69 | 1073.2 | 1.16 | 0.05 |
2020-09-11 | 24.29 | 75.72 | 19.01 | 66.22 | 75 | 25.35 | 15.75 | 31.63 | 1071.09 | 1.27 | 0.05 |
2020-09-12 | 24.29 | 75.72 | 20.07 | 68.13 | 76 | 29.58 | 18.38 | 31.66 | 1072.14 | 1.58 | 0.06 |
2020-09-13 | 24.29 | 75.72 | 20.07 | 68.13 | 78 | 33.8 | 21.0 | 31.72 | 1074.26 | 1.27 | 0.05 |
2020-09-14 | 24.29 | 75.72 | 20.07 | 68.13 | 78 | 35.91 | 22.31 | 31.72 | 1074.26 | 1.58 | 0.06 |
2020-09-15 | 24.29 | 75.72 | 20.07 | 68.13 | 77 | 33.8 | 21.0 | 31.69 | 1073.2 | 2.11 | 0.08 |
2020-09-16 | 24.29 | 75.72 | 20.07 | 68.13 | 76 | 31.69 | 19.69 | 31.66 | 1072.14 | 1.58 | 0.06 |
2020-09-17 | 24.29 | 75.72 | 20.07 | 68.13 | 78 | 31.69 | 19.69 | 31.66 | 1072.14 | 2.43 | 0.1 |
2020-09-18 | 24.29 | 75.72 | 19.01 | 66.22 | 75 | 27.46 | 17.06 | 31.69 | 1073.2 | 1.16 | 0.05 |
2020-09-19 | 23.24 | 73.83 | 19.01 | 66.22 | 76 | 25.35 | 15.75 | 31.72 | 1074.26 | 1.69 | 0.07 |
2020-09-20 | 24.29 | 75.72 | 20.07 | 68.13 | 77 | 27.46 | 17.06 | 31.72 | 1074.26 | 0.95 | 0.04 |
2020-09-21 | 24.29 | 75.72 | 20.07 | 68.13 | 79 | 29.58 | 18.38 | 31.69 | 1073.2 | 1.27 | 0.05 |
2020-09-22 | 23.24 | 73.83 | 19.01 | 66.22 | 75 | 27.46 | 17.06 | 31.72 | 1074.26 | 0.85 | 0.03 |
2020-09-23 | 24.29 | 75.72 | 20.07 | 68.13 | 77 | 24.29 | 15.09 | 31.69 | 1073.2 | 1.48 | 0.06 |
2020-09-24 | 24.29 | 75.72 | 21.13 | 70.03 | 80 | 25.35 | 15.75 | 31.69 | 1073.2 | 1.48 | 0.06 |
2020-09-25 | 24.29 | 75.72 | 21.13 | 70.03 | 80 | 27.46 | 17.06 | 31.72 | 1074.26 | 1.48 | 0.06 |
2020-09-26 | 23.24 | 73.83 | 20.07 | 68.13 | 79 | 27.46 | 17.06 | 31.69 | 1073.2 | 1.48 | 0.06 |
2020-09-27 | 23.24 | 73.83 | 20.07 | 68.13 | 78 | 30.63 | 19.03 | 31.63 | 1071.09 | 1.48 | 0.06 |
2020-09-28 | 24.29 | 75.72 | 20.07 | 68.13 | 76 | 28.52 | 17.72 | 31.63 | 1071.09 | 1.58 | 0.06 |
2020-09-29 | 24.29 | 75.72 | 21.13 | 70.03 | 80 | 28.52 | 17.72 | 31.69 | 1073.2 | 1.27 | 0.05 |
2020-09-30 | 23.24 | 73.83 | 21.13 | 70.03 | 81 | 30.63 | 19.03 | 31.66 | 1072.14 | 1.37 | 0.05 |
Georgetown 11 Year Historical Weather Data
- Georgetown, Ascension weather in September 2010
- Georgetown, Ascension weather in September 2011
- Georgetown, Ascension weather in September 2012
- Georgetown, Ascension weather in September 2013
- Georgetown, Ascension weather in September 2014
- Georgetown, Ascension weather in September 2015
- Georgetown, Ascension weather in September 2016
- Georgetown, Ascension weather in September 2017
- Georgetown, Ascension weather in September 2018
- Georgetown, Ascension weather in September 2019
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