Flat Grass, Portland, Jamaica Climate

Weather: 26.66°C/79.99°F, Wind SW at 2.25 km/h, 54% Humidity, 0% Chance of rain

Jamaica
(Photo by Xianyu hao on Unsplash)
Contents

Flat Grass Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Flat Grass has a Tropical wet and dry or savanna climate (Classification: Aw). The district’s yearly temperature is 26.52ºC (79.74ºF) and it is -0.31% lower than Jamaica’s averages. Flat Grass typically receives about 284.89 millimeters (11.22 inches) of precipitation and has 305.2 rainy days (83.62% of the time) annually.

CountryJamaica
CityPortland
Longitude-76.4100267
Latitude18.0844274
Attitude/ElevationNonem (0ft)
Local timeMonday 09:49
Annual high temperature27.59ºC (81.66ºF)
Annual low temperature24.77ºC (76.59ºF)
Average annual precip.284.89mm (11.22in)
Warmest monthSeptember (29.03ºC / 84.25ºF)
Coldest MonthMarch (23.19ºC / 73.74ºF)
Wettest MonthOctober (412.22mm / 16.23in)
Driest MonthFebruary (158.11mm / 6.22in)
Number of days with rainfall (≥ 1.0 mm)305.2 days (83.62%)
Days with no rain59.80000000000001 days (16.38%)
Humidity80.03%

Climate Flat Grass: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)28.64(83.55)27.66(81.79)28.64(83.55)29.63(85.33)29.63(85.33)29.63(85.33)30.62(87.12)31.61(88.9)31.61(88.9)30.62(87.12)29.63(85.33)28.64(83.55)31.61(88.9)
Average high °C (°F)26.32(79.38)26.27(79.29)26.25(79.25)27.08(80.74)27.55(81.59)28.25(82.85)28.71(83.68)28.97(84.15)29.03(84.25)28.52(83.34)27.41(81.34)26.66(79.99)27.59(81.66)
Daily mean °C (°F)25.09(77.16)25.12(77.22)25.17(77.31)26.01(78.82)26.64(79.95)27.33(81.19)27.7(81.86)27.9(82.22)27.89(82.2)27.4(81.32)26.41(79.54)25.62(78.12)26.52(79.74)
Average low °C (°F)23.32(73.98)23.32(73.98)23.19(73.74)24.08(75.34)24.93(76.87)25.72(78.3)25.89(78.6)26.14(79.05)25.95(78.71)25.62(78.12)24.87(76.77)24.19(75.54)24.77(76.59)
Record low °C (°F)17.78(64.0)17.78(64.0)17.78(64.0)20.74(69.33)21.73(71.11)22.72(72.9)22.72(72.9)21.73(71.11)21.73(71.11)19.75(67.55)18.77(65.79)19.75(67.55)17.78(64.0)
Average precipitation mm (inches)174.74(6.88)158.11(6.22)173.0(6.81)216.65(8.53)382.62(15.06)298.64(11.76)306.73(12.08)371.79(14.64)330.87(13.03)412.22(16.23)348.65(13.73)244.69(9.63)284.89(11.22)
Average precipitation days (≥ 1.0 mm)23.8822.6324.6924.0627.2125.8625.3227.4826.2227.7426.1223.9725.43
Average relative humidity (%)78.8779.1778.9179.981.3881.780.3180.3979.780.3880.0179.6380.03
Mean monthly sunshine hours7.9510.6510.5212.2212.1212.1812.4712.2311.849.517.767.8210.61

Climate Graph

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

Flat Grass

Flat Grass Temperature by Month

August
27.9°C | 82.22°F
September
27.89°C | 82.2°F
July
27.7°C | 81.86°F
October
27.4°C | 81.32°F
June
27.33°C | 81.19°F
May
26.64°C | 79.95°F
November
26.41°C | 79.54°F
April
26.01°C | 78.82°F
December
25.62°C | 78.12°F
March
25.17°C | 77.31°F
February
25.12°C | 77.22°F
January
25.09°C | 77.16°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 Temperature30.62°C (87.12°F)28.83°C (83.89°F)26.67°C (80.01°F)
Avg Temperature28.64°C (83.55°F)27.56°C (81.61°F)26.67°C (80.01°F)
Min Temperature25.68°C (78.22°F)24.95°C (76.91°F)23.7°C (74.66°F)
Dew PointMaxAverageMin
Dew Point24.69°C (76.44°F)23.29°C (73.92°F)21.73°C (71.11°F)
PrecipitationMaxAverageMinSum
Precipitation49.09mm | 1.93in8.28mm | 0.33in0.0mm | 0in256.82mm | 10.11in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind23.7kmh | 14.73mph16.54kmh | 10.28mph9.88kmh | 6.14mph
Gust Wind32.59kmh | 20.25mph22.33kmh | 13.88mph12.84kmh | 7.98mph
Sea Level PressureMaxAverageMin
Sea Level Pressure49.09mb8.28mb0.0mb
Flat Grass

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
July° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2015-07-0127.66 | 81.7922.72 | 72.97920.74 | 12.8929.63 | 1003.51.28 | 0.05
2015-07-0227.66 | 81.7923.7 | 74.668021.73 | 13.529.6 | 1002.522.17 | 0.09
2015-07-0328.64 | 83.5522.72 | 72.97618.77 | 11.6629.6 | 1002.520.3 | 0.01
2015-07-0427.66 | 81.7922.72 | 72.97919.75 | 12.2729.6 | 1002.526.82 | 0.27
2015-07-0527.66 | 81.7923.7 | 74.667920.74 | 12.8929.63 | 1003.51.48 | 0.06
2015-07-0628.64 | 83.5523.7 | 74.668014.82 | 9.2129.63 | 1003.51.88 | 0.07
2015-07-0727.66 | 81.7923.7 | 74.668315.8 | 9.8229.63 | 1003.517.88 | 0.7
2015-07-0827.66 | 81.7923.7 | 74.668214.82 | 9.2129.63 | 1003.57.31 | 0.29
2015-07-0927.66 | 81.7923.7 | 74.668314.82 | 9.2129.6 | 1002.522.47 | 0.1
2015-07-1027.66 | 81.7923.7 | 74.668214.82 | 9.2129.6 | 1002.521.58 | 0.06
2015-07-1126.67 | 80.0123.7 | 74.668413.83 | 8.5929.6 | 1002.5226.47 | 1.04
2015-07-1226.67 | 80.0122.72 | 72.98416.79 | 10.4329.6 | 1002.5230.72 | 1.21
2015-07-1326.67 | 80.0122.72 | 72.98219.75 | 12.2729.6 | 1002.5227.75 | 1.09
2015-07-1426.67 | 80.0123.7 | 74.668315.8 | 9.8229.6 | 1002.5214.91 | 0.59
2015-07-1526.67 | 80.0123.7 | 74.668316.79 | 10.4329.6 | 1002.5213.73 | 0.54
2015-07-1627.66 | 81.7923.7 | 74.668113.83 | 8.5929.6 | 1002.522.57 | 0.1
2015-07-1726.67 | 80.0123.7 | 74.668519.75 | 12.2729.6 | 1002.5249.09 | 1.93
2015-07-1826.67 | 80.0123.7 | 74.668318.77 | 11.6629.63 | 1003.513.14 | 0.52
2015-07-1927.66 | 81.7922.72 | 72.9819.88 | 6.1429.63 | 1003.52.37 | 0.09
2015-07-2027.66 | 81.7921.73 | 71.11799.88 | 6.1429.6 | 1002.523.95 | 0.16
2015-07-2126.67 | 80.0122.72 | 72.98112.84 | 7.9829.6 | 1002.522.17 | 0.09
2015-07-2228.64 | 83.5522.72 | 72.97812.84 | 7.9829.6 | 1002.520.2 | 0.01
2015-07-2327.66 | 81.7924.69 | 76.448515.8 | 9.8229.63 | 1003.51.68 | 0.07
2015-07-2428.64 | 83.5523.7 | 74.668315.8 | 9.8229.63 | 1003.50.89 | 0.04
2015-07-2528.64 | 83.5523.7 | 74.668214.82 | 9.2129.6 | 1002.520.4 | 0.02
2015-07-2627.66 | 81.7923.7 | 74.668119.75 | 12.2729.58 | 1001.532.57 | 0.1
2015-07-2727.66 | 81.7922.72 | 72.98123.7 | 14.7329.6 | 1002.529.68 | 0.38
2015-07-2827.66 | 81.7923.7 | 74.668018.77 | 11.6629.58 | 1001.532.86 | 0.11
2015-07-2927.66 | 81.7922.72 | 72.98018.77 | 11.6629.6 | 1002.520.0 | 0
2015-07-3027.66 | 81.7922.72 | 72.98111.85 | 7.3629.6 | 1002.520.4 | 0.02
2015-07-3127.66 | 81.7922.72 | 72.97915.8 | 9.8229.6 | 1002.528.1 | 0.32

Flat Grass 11 Year Historical Weather Data

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