Portsmouth, Saint John, Dominica Climate
Weather: 26.77°C/80.19°F, Wind SW at 3.09 km/h, 89% Humidity, 0% Chance of rain
Portsmouth Climate Summary
Located at an elevation of 23.8 meters (78.08 feet) above sea level, Portsmouth has a Tropical rainforest climate (Classification: Af). The district’s yearly temperature is 28.22ºC (82.8ºF) and it is 0.91% higher than Dominica’s averages. Portsmouth typically receives about 58.94 millimeters (2.32 inches) of precipitation and has 152.04 rainy days (41.65% of the time) annually.
Country | Dominica |
City | Saint John |
Longitude | -61.45814 |
Latitude | 15.5561791 |
Attitude/Elevation | 23.8m (78.08ft) |
Local time | Saturday 13:58 |
Annual high temperature | 28.73ºC (83.71ºF) |
Annual low temperature | 27.23ºC (81.01ºF) |
Average annual precip. | 58.94mm (2.32in) |
Warmest month | September (30.01ºC / 86.02ºF) |
Coldest Month | February (25.43ºC / 77.77ºF) |
Wettest Month | September (88.53mm / 3.49in) |
Driest Month | February (26.5mm / 1.04in) |
Number of days with rainfall (≥ 1.0 mm) | 152.04 days (41.65%) |
Days with no rain | 212.96 days (58.35%) |
Humidity | 78.14% |
Climate Portsmouth: Weather By Month
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Record high °C (°F) | 28.9(84.02) | 28.9(84.02) | 29.93(85.87) | 30.97(87.75) | 30.97(87.75) | 30.97(87.75) | 30.97(87.75) | 32.0(89.6) | 32.0(89.6) | 32.0(89.6) | 30.97(87.75) | 30.97(87.75) | 32.0(89.6) |
Average high °C (°F) | 27.23(81.01) | 27.1(80.78) | 27.56(81.61) | 28.16(82.69) | 28.93(84.07) | 29.38(84.88) | 29.47(85.05) | 29.84(85.71) | 30.01(86.02) | 29.8(85.64) | 29.06(84.31) | 28.22(82.8) | 28.73(83.71) |
Daily mean °C (°F) | 26.7(80.06) | 26.51(79.72) | 26.99(80.58) | 27.65(81.77) | 28.44(83.19) | 28.97(84.15) | 28.99(84.18) | 29.3(84.74) | 29.5(85.1) | 29.32(84.78) | 28.61(83.5) | 27.7(81.86) | 28.22(82.8) |
Average low °C (°F) | 25.71(78.28) | 25.43(77.77) | 26.07(78.93) | 26.69(80.04) | 27.44(81.39) | 27.91(82.24) | 28.03(82.45) | 28.31(82.96) | 28.58(83.44) | 28.23(82.81) | 27.53(81.55) | 26.76(80.17) | 27.23(81.01) |
Record low °C (°F) | 17.55(63.59) | 17.55(63.59) | 18.58(65.44) | 19.61(67.3) | 21.68(71.02) | 21.68(71.02) | 21.68(71.02) | 22.71(72.88) | 20.64(69.15) | 20.64(69.15) | 19.61(67.3) | 19.61(67.3) | 17.55(63.59) |
Average precipitation mm (inches) | 35.84(1.41) | 26.5(1.04) | 27.99(1.1) | 49.65(1.95) | 64.42(2.54) | 41.56(1.64) | 70.44(2.77) | 88.01(3.46) | 88.53(3.49) | 86.96(3.42) | 78.88(3.11) | 48.47(1.91) | 58.94(2.32) |
Average precipitation days (≥ 1.0 mm) | 8.83 | 8.54 | 7.79 | 13.05 | 13.6 | 9.95 | 14.36 | 16.33 | 15.11 | 17.27 | 15.48 | 11.73 | 12.67 |
Average relative humidity (%) | 76.93 | 76.71 | 77.05 | 78.01 | 79.0 | 78.97 | 79.29 | 79.25 | 77.98 | 78.13 | 78.73 | 77.53 | 78.14 |
Mean monthly sunshine hours | 9.12 | 11.2 | 11.01 | 12.43 | 12.53 | 12.4 | 12.45 | 12.43 | 12.17 | 10.53 | 8.22 | 8.27 | 11.07 |
Climate Graph
The chart below shows the mean monthly temperature and precipitation of Saint John in recent years.
Portsmouth Temperature by Month
September | 29.5°C | 85.1°F | |
October | 29.32°C | 84.78°F | |
August | 29.3°C | 84.74°F | |
July | 28.99°C | 84.18°F | |
June | 28.97°C | 84.15°F | |
November | 28.61°C | 83.5°F | |
May | 28.44°C | 83.19°F | |
December | 27.7°C | 81.86°F | |
April | 27.65°C | 81.77°F | |
March | 26.99°C | 80.58°F | |
January | 26.7°C | 80.06°F | |
February | 26.51°C | 79.72°F |
Historical Data
Temperature | Max | Average | Min | |
---|---|---|---|---|
Max Temperature | 27.87°C (82.17°F) | 27.76°C (81.97°F) | 26.84°C (80.31°F) | |
Avg Temperature | 27.87°C (82.17°F) | 27.5°C (81.5°F) | 26.84°C (80.31°F) | |
Min Temperature | 27.87°C (82.17°F) | 27.13°C (80.83°F) | 26.84°C (80.31°F) | |
Dew Point | Max | Average | Min | |
Dew Point | 23.74°C (74.73°F) | 22.86°C (73.15°F) | 21.68°C (71.02°F) | |
Precipitation | Max | Average | Min | Sum |
Precipitation | 0.1mm | 0.0in | 0.0mm | 0in | 0.0mm | 0in | 0.1mm | 0.0in |
Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
Wind | Max | Average | Min | |
Wind | 37.16kmh | 23.09mph | 21.23kmh | 13.19mph | 7.23kmh | 4.49mph | |
Gust Wind | 50.58kmh | 31.43mph | 29.45kmh | 18.3mph | 9.29kmh | 5.77mph | |
Sea Level Pressure | Max | Average | Min | |
Sea Level Pressure | 0.1mb | 0.0mb | 0.0mb |
Daily Observations
Time | Temperature | Dew Point | Humidity | Wind Speed | Pressure | Precipitation |
---|---|---|---|---|---|---|
February | ° C | ° F | ° C | ° F | % | Kph | Mph | Hg | Mb | Total (mm/in) |
2010-02-01 | 27.87 | 82.17 | 21.68 | 71.02 | 73 | 32.0 | 19.88 | 30.94 | 1047.68 | 0.0 | 0 |
2010-02-02 | 27.87 | 82.17 | 22.71 | 72.88 | 74 | 37.16 | 23.09 | 30.91 | 1046.65 | 0.0 | 0 |
2010-02-03 | 27.87 | 82.17 | 22.71 | 72.88 | 77 | 30.97 | 19.24 | 30.91 | 1046.65 | 0.1 | 0.0 |
2010-02-04 | 26.84 | 80.31 | 22.71 | 72.88 | 75 | 20.64 | 12.83 | 30.91 | 1046.65 | 0.0 | 0 |
2010-02-05 | 26.84 | 80.31 | 21.68 | 71.02 | 75 | 18.58 | 11.55 | 30.91 | 1046.65 | 0.0 | 0 |
2010-02-06 | 26.84 | 80.31 | 22.71 | 72.88 | 75 | 23.74 | 14.75 | 30.88 | 1045.62 | 0.0 | 0 |
2010-02-07 | 27.87 | 82.17 | 22.71 | 72.88 | 75 | 17.55 | 10.91 | 30.88 | 1045.62 | 0.0 | 0 |
2010-02-08 | 27.87 | 82.17 | 23.74 | 74.73 | 79 | 21.68 | 13.47 | 30.91 | 1046.65 | 0.0 | 0 |
2010-02-09 | 27.87 | 82.17 | 23.74 | 74.73 | 80 | 26.84 | 16.68 | 30.91 | 1046.65 | 0.0 | 0 |
2010-02-10 | 27.87 | 82.17 | 22.71 | 72.88 | 76 | 19.61 | 12.19 | 30.85 | 1044.59 | 0.0 | 0 |
2010-02-11 | 26.84 | 80.31 | 21.68 | 71.02 | 73 | 10.32 | 6.41 | 30.85 | 1044.59 | 0.0 | 0 |
2010-02-12 | 26.84 | 80.31 | 21.68 | 71.02 | 74 | 12.39 | 7.7 | 30.85 | 1044.59 | 0.0 | 0 |
2010-02-13 | 26.84 | 80.31 | 21.68 | 71.02 | 73 | 22.71 | 14.11 | 30.85 | 1044.59 | 0.0 | 0 |
2010-02-14 | 27.87 | 82.17 | 22.71 | 72.88 | 77 | 23.74 | 14.75 | 30.88 | 1045.62 | 0.0 | 0 |
2010-02-15 | 27.87 | 82.17 | 23.74 | 74.73 | 79 | 28.9 | 17.96 | 30.91 | 1046.65 | 0.0 | 0 |
2010-02-16 | 27.87 | 82.17 | 23.74 | 74.73 | 77 | 29.93 | 18.6 | 30.91 | 1046.65 | 0.0 | 0 |
2010-02-17 | 27.87 | 82.17 | 23.74 | 74.73 | 79 | 27.87 | 17.32 | 30.88 | 1045.62 | 0.0 | 0 |
2010-02-18 | 27.87 | 82.17 | 23.74 | 74.73 | 79 | 22.71 | 14.11 | 30.91 | 1046.65 | 0.0 | 0 |
2010-02-19 | 26.84 | 80.31 | 22.71 | 72.88 | 75 | 18.58 | 11.55 | 30.94 | 1047.68 | 0.0 | 0 |
2010-02-20 | 26.84 | 80.31 | 21.68 | 71.02 | 73 | 19.61 | 12.19 | 30.94 | 1047.68 | 0.0 | 0 |
2010-02-21 | 26.84 | 80.31 | 22.71 | 72.88 | 75 | 17.55 | 10.91 | 30.91 | 1046.65 | 0.0 | 0 |
2010-02-22 | 26.84 | 80.31 | 21.68 | 71.02 | 75 | 19.61 | 12.19 | 30.88 | 1045.62 | 0.0 | 0 |
2010-02-23 | 27.87 | 82.17 | 22.71 | 72.88 | 78 | 27.87 | 17.32 | 30.82 | 1043.55 | 0.0 | 0 |
2010-02-24 | 27.87 | 82.17 | 23.74 | 74.73 | 80 | 20.64 | 12.83 | 30.85 | 1044.59 | 0.0 | 0 |
2010-02-25 | 27.87 | 82.17 | 23.74 | 74.73 | 80 | 7.23 | 4.49 | 30.85 | 1044.59 | 0.0 | 0 |
2010-02-26 | 27.87 | 82.17 | 23.74 | 74.73 | 81 | 7.23 | 4.49 | 30.85 | 1044.59 | 0.0 | 0 |
2010-02-27 | 27.87 | 82.17 | 23.74 | 74.73 | 80 | 12.39 | 7.7 | 30.88 | 1045.62 | 0.0 | 0 |
2010-02-28 | 27.87 | 82.17 | 23.74 | 74.73 | 79 | 16.52 | 10.27 | 30.88 | 1045.62 | 0.0 | 0 |
Portsmouth 11 Year Historical Weather Data
- Portsmouth, Saint John weather in February 2011
- Portsmouth, Saint John weather in February 2012
- Portsmouth, Saint John weather in February 2013
- Portsmouth, Saint John weather in February 2014
- Portsmouth, Saint John weather in February 2015
- Portsmouth, Saint John weather in February 2016
- Portsmouth, Saint John weather in February 2017
- Portsmouth, Saint John weather in February 2018
- Portsmouth, Saint John weather in February 2019
- Portsmouth, Saint John weather in February 2020
Nearby locations
- Glanvillia 1.09 km ( 0.68 mi)
- Lagon 3.60 km ( 2.23 mi)
- Bornes 3.60 km ( 2.23 mi)
- Cocoyer 3.60 km ( 2.23 mi)
- Guillet 3.60 km ( 2.23 mi)
- Dos D'Ane 4.65 km ( 2.89 mi)
- Tanetane 5.46 km ( 3.39 mi)
- Toucari 5.91 km ( 3.67 mi)
- Cottage 6.64 km ( 4.13 mi)
- Morne Soleil 6.75 km ( 4.19 mi)
- Clifton 7.49 km ( 4.65 mi)
- Capucin 8.34 km ( 5.18 mi)
- View all
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