Altamont, Portland, Jamaica Climate

Weather: 26.62°C/79.92°F, Wind SW at 0.79 km/h, 87% Humidity, 0% Chance of rain

Jamaica
(Photo by Mike Ackerman on Unsplash)
Contents

Altamont Climate Summary

Located at an elevation of 85.93 meters (281.92 feet) above sea level, Altamont has a Tropical wet and dry or savanna climate (Classification: Aw). The district’s yearly temperature is 28.8ºC (83.84ºF) and it is 1.97% higher than Jamaica’s averages. Altamont typically receives about 309.44 millimeters (12.18 inches) of precipitation and has 331.49 rainy days (90.82% of the time) annually.

CountryJamaica
CityPortland
Longitude-76.7868838
Latitude18.0031099
Attitude/Elevation85.93m (281.92ft)
Local timeMonday 05:07
Annual high temperature29.96ºC (85.93ºF)
Annual low temperature26.91ºC (80.44ºF)
Average annual precip.309.44mm (12.18in)
Warmest monthSeptember (31.53ºC / 88.75ºF)
Coldest MonthMarch (25.19ºC / 77.34ºF)
Wettest MonthOctober (447.73mm / 17.63in)
Driest MonthFebruary (171.73mm / 6.76in)
Number of days with rainfall (≥ 1.0 mm)331.49 days (90.82%)
Days with no rain33.50999999999999 days (9.18%)
Humidity86.93%

Climate Altamont: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)31.11(88.0)30.04(86.07)31.11(88.0)32.18(89.92)32.18(89.92)32.18(89.92)33.26(91.87)34.33(93.79)34.33(93.79)33.26(91.87)32.18(89.92)31.11(88.0)34.33(93.79)
Average high °C (°F)28.59(83.46)28.54(83.37)28.52(83.34)29.42(84.96)29.92(85.86)30.68(87.22)31.19(88.14)31.47(88.65)31.53(88.75)30.98(87.76)29.77(85.59)28.95(84.11)29.96(85.93)
Daily mean °C (°F)27.25(81.05)27.28(81.1)27.33(81.19)28.25(82.85)28.93(84.07)29.68(85.42)30.08(86.14)30.31(86.56)30.3(86.54)29.76(85.57)28.69(83.64)27.83(82.09)28.8(83.84)
Average low °C (°F)25.33(77.59)25.33(77.59)25.19(77.34)26.15(79.07)27.08(80.74)27.94(82.29)28.12(82.62)28.4(83.12)28.18(82.72)27.83(82.09)27.01(80.62)26.27(79.29)26.91(80.44)
Record low °C (°F)19.31(66.76)19.31(66.76)19.31(66.76)22.53(72.55)23.6(74.48)24.67(76.41)24.67(76.41)23.6(74.48)23.6(74.48)21.46(70.63)20.38(68.68)21.46(70.63)19.31(66.76)
Average precipitation mm (inches)189.8(7.47)171.73(6.76)187.9(7.4)235.32(9.26)415.58(16.36)324.37(12.77)333.16(13.12)403.82(15.9)359.38(14.15)447.73(17.63)378.69(14.91)265.78(10.46)309.44(12.18)
Average precipitation days (≥ 1.0 mm)25.9424.5826.8226.1329.5628.0927.5129.8528.4830.1328.3826.0427.62
Average relative humidity (%)85.6686.085.7186.7988.3988.7487.2387.3286.5687.386.9186.4986.93
Mean monthly sunshine hours8.6411.5611.4313.2713.1613.2313.5513.2812.8610.338.438.511.52

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Altamont in recent years.

Altamont

Altamont Temperature by Month

August
30.31°C | 86.56°F
September
30.3°C | 86.54°F
July
30.08°C | 86.14°F
October
29.76°C | 85.57°F
June
29.68°C | 85.42°F
May
28.93°C | 84.07°F
November
28.69°C | 83.64°F
April
28.25°C | 82.85°F
December
27.83°C | 82.09°F
March
27.33°C | 81.19°F
February
27.28°C | 81.1°F
January
27.25°C | 81.05°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 Temperature28.97°C (84.15°F)27.89°C (82.2°F)26.82°C (80.28°F)
Avg Temperature27.89°C (82.2°F)26.82°C (80.28°F)25.75°C (78.35°F)
Min Temperature26.82°C (80.28°F)25.56°C (78.01°F)24.67°C (76.41°F)
Dew PointMaxAverageMin
Dew Point23.6°C (74.48°F)22.95°C (73.31°F)21.46°C (70.63°F)
PrecipitationMaxAverageMinSum
Precipitation30.68mm | 1.21in10.38mm | 0.41in3.22mm | 0.13in290.63mm | 11.44in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind23.6kmh | 14.66mph16.78kmh | 10.43mph10.73kmh | 6.67mph
Gust Wind33.26kmh | 20.67mph24.87kmh | 15.45mph15.02kmh | 9.33mph
Sea Level PressureMaxAverageMin
Sea Level Pressure30.68mb10.38mb3.22mb
Altamont

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
February° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-02-0126.82 | 80.2823.6 | 74.488617.16 | 10.6632.19 | 1089.9612.55 | 0.49
2018-02-0226.82 | 80.2823.6 | 74.488311.8 | 7.3332.19 | 1089.964.83 | 0.19
2018-02-0326.82 | 80.2823.6 | 74.488317.16 | 10.6632.19 | 1089.966.87 | 0.27
2018-02-0426.82 | 80.2823.6 | 74.488415.02 | 9.3332.19 | 1089.9613.41 | 0.53
2018-02-0526.82 | 80.2822.53 | 72.558110.73 | 6.6732.22 | 1091.043.22 | 0.13
2018-02-0627.89 | 82.223.6 | 74.488418.24 | 11.3332.25 | 1092.113.65 | 0.14
2018-02-0726.82 | 80.2823.6 | 74.488519.31 | 12.032.25 | 1092.115.47 | 0.22
2018-02-0826.82 | 80.2823.6 | 74.488312.87 | 8.032.25 | 1092.113.97 | 0.16
2018-02-0926.82 | 80.2823.6 | 74.488316.09 | 10.032.22 | 1091.048.9 | 0.35
2018-02-1026.82 | 80.2823.6 | 74.488422.53 | 14.032.22 | 1091.0415.77 | 0.62
2018-02-1126.82 | 80.2823.6 | 74.488321.46 | 13.3332.25 | 1092.1114.91 | 0.59
2018-02-1226.82 | 80.2822.53 | 72.558220.38 | 12.6632.28 | 1093.1815.56 | 0.61
2018-02-1327.89 | 82.222.53 | 72.557817.16 | 10.6632.35 | 1095.334.18 | 0.16
2018-02-1426.82 | 80.2822.53 | 72.558221.46 | 13.3332.31 | 1094.2620.17 | 0.79
2018-02-1526.82 | 80.2822.53 | 72.558219.31 | 12.032.31 | 1094.2619.1 | 0.75
2018-02-1626.82 | 80.2822.53 | 72.558016.09 | 10.032.28 | 1093.184.4 | 0.17
2018-02-1726.82 | 80.2823.6 | 74.488216.09 | 10.032.28 | 1093.186.44 | 0.25
2018-02-1826.82 | 80.2823.6 | 74.488516.09 | 10.032.25 | 1092.1118.99 | 0.75
2018-02-1926.82 | 80.2822.53 | 72.558018.24 | 11.3332.25 | 1092.114.18 | 0.16
2018-02-2027.89 | 82.222.53 | 72.558020.38 | 12.6632.31 | 1094.263.43 | 0.14
2018-02-2127.89 | 82.222.53 | 72.557923.6 | 14.6632.31 | 1094.266.97 | 0.27
2018-02-2226.82 | 80.2822.53 | 72.558016.09 | 10.032.31 | 1094.266.87 | 0.27
2018-02-2326.82 | 80.2822.53 | 72.558017.16 | 10.6632.28 | 1093.186.76 | 0.27
2018-02-2425.75 | 78.3522.53 | 72.558315.02 | 9.3332.25 | 1092.1130.68 | 1.21
2018-02-2525.75 | 78.3522.53 | 72.558110.73 | 6.6732.25 | 1092.1113.52 | 0.53
2018-02-2626.82 | 80.2821.46 | 70.637910.73 | 6.6732.25 | 1092.113.86 | 0.15
2018-02-2725.75 | 78.3522.53 | 72.558413.95 | 8.6732.22 | 1091.0420.6 | 0.81
2018-02-2825.75 | 78.3522.53 | 72.558415.02 | 9.3332.19 | 1089.9611.37 | 0.45

Altamont 11 Year Historical Weather Data

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