Adelphi, Saint Thomas, Us Virgin Islands Climate
Weather: 27.48°C/81.46°F, Wind SW at 2.57 km/h, 84% Humidity, 0% Chance of rain
Adelphi Climate Summary
Located at an elevation of 85.5 meters (280.51 feet) above sea level, Adelphi has a Tropical monsoon climate (Classification: Am). The district’s yearly temperature is 26.9ºC (80.42ºF) and it is -0.24% lower than US Virgin Islands’s averages. Adelphi typically receives about 160.66 millimeters (6.33 inches) of precipitation and has 236.35 rainy days (64.75% of the time) annually.
| Country | US Virgin Islands |
| City | Saint Thomas |
| Longitude | -64.9834807 |
| Latitude | 18.3482891 |
| Attitude/Elevation | 85.5m (280.51ft) |
| Local time | Wednesday 14:50 |
| Annual high temperature | 27.49ºC (81.48ºF) |
| Annual low temperature | 26.08ºC (78.94ºF) |
| Average annual precip. | 160.66mm (6.33in) |
| Warmest month | September (28.95ºC / 84.11ºF) |
| Coldest Month | March (24.56ºC / 76.21ºF) |
| Wettest Month | November (263.13mm / 10.36in) |
| Driest Month | February (71.27mm / 2.81in) |
| Number of days with rainfall (≥ 1.0 mm) | 236.35 days (64.75%) |
| Days with no rain | 128.65 days (35.25%) |
| Humidity | 75.82% |
Climate Adelphi: Weather By Month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high °C (°F) | 27.81(82.06) | 27.81(82.06) | 27.81(82.06) | 28.8(83.84) | 28.8(83.84) | 29.79(85.62) | 29.79(85.62) | 29.79(85.62) | 29.79(85.62) | 29.79(85.62) | 29.79(85.62) | 28.8(83.84) | 29.79(85.62) |
| Average high °C (°F) | 26.29(79.32) | 26.03(78.85) | 25.95(78.71) | 26.59(79.86) | 27.36(81.25) | 28.06(82.51) | 28.32(82.98) | 28.74(83.73) | 28.95(84.11) | 28.78(83.8) | 27.95(82.31) | 26.9(80.42) | 27.49(81.48) |
| Daily mean °C (°F) | 25.71(78.28) | 25.46(77.83) | 25.39(77.7) | 25.92(78.66) | 26.69(80.04) | 27.46(81.43) | 27.76(81.97) | 28.09(82.56) | 28.32(82.98) | 28.2(82.76) | 27.36(81.25) | 26.42(79.56) | 26.9(80.42) |
| Average low °C (°F) | 24.89(76.8) | 24.65(76.37) | 24.56(76.21) | 25.15(77.27) | 25.87(78.57) | 26.67(80.01) | 26.98(80.56) | 27.33(81.19) | 27.5(81.5) | 27.35(81.23) | 26.44(79.59) | 25.52(77.94) | 26.08(78.94) |
| Record low °C (°F) | 17.88(64.18) | 18.87(65.97) | 18.87(65.97) | 18.87(65.97) | 19.86(67.75) | 20.86(69.55) | 20.86(69.55) | 19.86(67.75) | 20.86(69.55) | 20.86(69.55) | 19.86(67.75) | 18.87(65.97) | 17.88(64.18) |
| Average precipitation mm (inches) | 81.78(3.22) | 71.27(2.81) | 99.34(3.91) | 89.21(3.51) | 184.64(7.27) | 115.42(4.54) | 158.17(6.23) | 248.27(9.77) | 262.21(10.32) | 244.8(9.64) | 263.13(10.36) | 109.77(4.32) | 160.66(6.33) |
| Average precipitation days (≥ 1.0 mm) | 18.96 | 16.88 | 14.9 | 15.89 | 19.23 | 16.16 | 20.68 | 21.76 | 22.93 | 23.83 | 24.38 | 20.77 | 19.69 |
| Average relative humidity (%) | 74.31 | 74.55 | 74.77 | 75.61 | 77.59 | 77.98 | 77.81 | 77.42 | 75.95 | 74.67 | 74.88 | 74.28 | 75.82 |
| Mean monthly sunshine hours | 10.17 | 11.06 | 10.77 | 11.6 | 12.5 | 12.65 | 12.7 | 11.45 | 10.79 | 9.06 | 8.02 | 8.05 | 10.74 |
Climate Graph
The chart below shows the mean monthly temperature and precipitation of Adelphi in recent years.
Adelphi Temperature by Month
| September |
|
28.32°C | 82.98°F |
| October |
|
28.2°C | 82.76°F |
| August |
|
28.09°C | 82.56°F |
| July |
|
27.76°C | 81.97°F |
| June |
|
27.46°C | 81.43°F |
| November |
|
27.36°C | 81.25°F |
| May |
|
26.69°C | 80.04°F |
| December |
|
26.42°C | 79.56°F |
| April |
|
25.92°C | 78.66°F |
| January |
|
25.71°C | 78.28°F |
| February |
|
25.46°C | 77.83°F |
| March |
|
25.39°C | 77.7°F |
Historical Data
| Temperature | Max | Average | Min | |
|---|---|---|---|---|
| Max Temperature | 27.81°C (82.06°F) | 26.84°C (80.31°F) | 25.82°C (78.48°F) | |
| Avg Temperature | 26.81°C (80.26°F) | 26.27°C (79.29°F) | 25.82°C (78.48°F) | |
| Min Temperature | 26.81°C (80.26°F) | 25.85°C (78.53°F) | 24.83°C (76.69°F) | |
| Dew Point | Max | Average | Min | |
| Dew Point | 22.84°C (73.11°F) | 21.24°C (70.23°F) | 18.87°C (65.97°F) | |
| Precipitation | Max | Average | Min | Sum |
| Precipitation | 29.5mm | 1.16in | 4.99mm | 0.2in | 0.0mm | 0in | 154.74mm | 6.09in |
| Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
| Wind | Max | Average | Min | |
| Wind | 39.72kmh | 24.68mph | 24.73kmh | 15.37mph | 8.94kmh | 5.56mph | |
| Gust Wind | 54.62kmh | 33.94mph | 34.18kmh | 21.24mph | 12.91kmh | 8.02mph | |
| Sea Level Pressure | Max | Average | Min | |
| Sea Level Pressure | 29.5mb | 4.99mb | 0.0mb |
Daily Observations
| Time | Temperature | Dew Point | Humidity | Wind Speed | Pressure | Precipitation |
|---|---|---|---|---|---|---|
| December | ° C | ° F | ° C | ° F | % | Kph | Mph | Hg | Mb | Total (mm/in) |
| 2011-12-01 | 26.81 | 80.26 | 20.86 | 69.55 | 70 | 14.9 | 9.26 | 29.71 | 1006.01 | 0.3 | 0.01 |
| 2011-12-02 | 26.81 | 80.26 | 21.85 | 71.33 | 75 | 17.88 | 11.11 | 29.74 | 1007.0 | 0.0 | 0 |
| 2011-12-03 | 26.81 | 80.26 | 21.85 | 71.33 | 73 | 22.84 | 14.19 | 29.71 | 1006.01 | 0.0 | 0 |
| 2011-12-04 | 26.81 | 80.26 | 21.85 | 71.33 | 76 | 21.85 | 13.58 | 29.65 | 1004.02 | 2.58 | 0.1 |
| 2011-12-05 | 26.81 | 80.26 | 21.85 | 71.33 | 76 | 13.9 | 8.64 | 29.62 | 1003.03 | 13.31 | 0.52 |
| 2011-12-06 | 26.81 | 80.26 | 21.85 | 71.33 | 76 | 13.9 | 8.64 | 29.62 | 1003.03 | 15.0 | 0.59 |
| 2011-12-07 | 26.81 | 80.26 | 21.85 | 71.33 | 75 | 20.86 | 12.96 | 29.68 | 1005.02 | 18.27 | 0.72 |
| 2011-12-08 | 26.81 | 80.26 | 22.84 | 73.11 | 78 | 17.88 | 11.11 | 29.71 | 1006.01 | 10.63 | 0.42 |
| 2011-12-09 | 26.81 | 80.26 | 22.84 | 73.11 | 79 | 30.79 | 19.13 | 29.68 | 1005.02 | 29.5 | 1.16 |
| 2011-12-10 | 26.81 | 80.26 | 22.84 | 73.11 | 78 | 30.79 | 19.13 | 29.68 | 1005.02 | 24.83 | 0.98 |
| 2011-12-11 | 25.82 | 78.48 | 21.85 | 71.33 | 76 | 15.89 | 9.87 | 29.65 | 1004.02 | 10.13 | 0.4 |
| 2011-12-12 | 25.82 | 78.48 | 20.86 | 69.55 | 72 | 8.94 | 5.56 | 29.68 | 1005.02 | 0.3 | 0.01 |
| 2011-12-13 | 25.82 | 78.48 | 21.85 | 71.33 | 75 | 9.93 | 6.17 | 29.68 | 1005.02 | 0.0 | 0 |
| 2011-12-14 | 26.81 | 80.26 | 21.85 | 71.33 | 75 | 13.9 | 8.64 | 29.65 | 1004.02 | 1.59 | 0.06 |
| 2011-12-15 | 25.82 | 78.48 | 20.86 | 69.55 | 73 | 32.77 | 20.36 | 29.68 | 1005.02 | 5.96 | 0.23 |
| 2011-12-16 | 25.82 | 78.48 | 19.86 | 67.75 | 70 | 28.8 | 17.9 | 29.74 | 1007.0 | 1.59 | 0.06 |
| 2011-12-17 | 25.82 | 78.48 | 19.86 | 67.75 | 69 | 25.82 | 16.04 | 29.77 | 1008.0 | 1.19 | 0.05 |
| 2011-12-18 | 25.82 | 78.48 | 18.87 | 65.97 | 68 | 24.83 | 15.43 | 29.77 | 1008.0 | 0.5 | 0.02 |
| 2011-12-19 | 25.82 | 78.48 | 18.87 | 65.97 | 64 | 25.82 | 16.04 | 29.8 | 1008.99 | 0.4 | 0.02 |
| 2011-12-20 | 25.82 | 78.48 | 20.86 | 69.55 | 73 | 33.77 | 20.98 | 29.82 | 1009.98 | 2.48 | 0.1 |
| 2011-12-21 | 25.82 | 78.48 | 20.86 | 69.55 | 72 | 38.73 | 24.07 | 29.82 | 1009.98 | 1.89 | 0.07 |
| 2011-12-22 | 25.82 | 78.48 | 19.86 | 67.75 | 70 | 39.72 | 24.68 | 29.85 | 1010.98 | 0.79 | 0.03 |
| 2011-12-23 | 25.82 | 78.48 | 20.86 | 69.55 | 71 | 36.74 | 22.83 | 29.82 | 1009.98 | 0.79 | 0.03 |
| 2011-12-24 | 25.82 | 78.48 | 20.86 | 69.55 | 74 | 32.77 | 20.36 | 29.82 | 1009.98 | 1.29 | 0.05 |
| 2011-12-25 | 25.82 | 78.48 | 20.86 | 69.55 | 74 | 26.81 | 16.66 | 29.82 | 1009.98 | 1.39 | 0.05 |
| 2011-12-26 | 25.82 | 78.48 | 20.86 | 69.55 | 73 | 22.84 | 14.19 | 29.82 | 1009.98 | 1.69 | 0.07 |
| 2011-12-27 | 25.82 | 78.48 | 20.86 | 69.55 | 72 | 25.82 | 16.04 | 29.85 | 1010.98 | 0.1 | 0.0 |
| 2011-12-28 | 25.82 | 78.48 | 21.85 | 71.33 | 75 | 26.81 | 16.66 | 29.85 | 1010.98 | 0.89 | 0.04 |
| 2011-12-29 | 26.81 | 80.26 | 21.85 | 71.33 | 76 | 28.8 | 17.9 | 29.85 | 1010.98 | 3.18 | 0.13 |
| 2011-12-30 | 26.81 | 80.26 | 21.85 | 71.33 | 77 | 29.79 | 18.51 | 29.85 | 1010.98 | 1.29 | 0.05 |
| 2011-12-31 | 26.81 | 80.26 | 21.85 | 71.33 | 76 | 31.78 | 19.75 | 29.85 | 1010.98 | 2.88 | 0.11 |
Adelphi 11 Year Historical Weather Data
- Adelphi, Saint Thomas weather in December 2010
- Adelphi, Saint Thomas weather in December 2012
- Adelphi, Saint Thomas weather in December 2013
- Adelphi, Saint Thomas weather in December 2014
- Adelphi, Saint Thomas weather in December 2015
- Adelphi, Saint Thomas weather in December 2016
- Adelphi, Saint Thomas weather in December 2017
- Adelphi, Saint Thomas weather in December 2018
- Adelphi, Saint Thomas weather in December 2019
- Adelphi, Saint Thomas weather in December 2020
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