Gampaha, Western, Sri Lanka Climate

Weather: 29.6°C/85.28°F, Wind SW at 2.8 km/h, 71% Humidity, 0% Chance of rain

Sri Lanka
(Photo by Jake Allison on Unsplash)

Gampaha Climate Summary

Located at an elevation of 19.92 meters (65.35 feet) above sea level, Gampaha has a Tropical rainforest climate (Classification: Af). The district’s yearly temperature is 27.89ºC (82.2ºF) and it is 0.43% higher than Sri Lanka’s averages. Gampaha typically receives about 318.11 millimeters (12.52 inches) of precipitation and has 268.59 rainy days (73.59% of the time) annually.

CountrySri Lanka
CityWestern
Longitude80.0098314
Latitude7.0840484
Attitude/Elevation19.92m (65.35ft)
Local timeFriday 09:22
Annual high temperature29.83ºC (85.69ºF)
Annual low temperature24.72ºC (76.5ºF)
Average annual precip.318.11mm (12.52in)
Warmest monthMarch (31.61ºC / 88.9ºF)
Coldest MonthJanuary (23.13ºC / 73.63ºF)
Wettest MonthJune (559.98mm / 22.05in)
Driest MonthJanuary (74.18mm / 2.92in)
Number of days with rainfall (≥ 1.0 mm)268.59 days (73.59%)
Days with no rain96.41000000000003 days (26.41%)
Humidity77.03%

Climate Gampaha: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)35.2(95.36)38.13(100.63)36.17(97.11)34.22(93.6)33.24(91.83)31.29(88.32)30.31(86.56)31.29(88.32)31.29(88.32)33.24(91.83)32.26(90.07)34.22(93.6)38.13(100.63)
Average high °C (°F)30.51(86.92)31.2(88.16)31.61(88.9)31.29(88.32)30.03(86.05)28.77(83.79)28.45(83.21)28.52(83.34)28.72(83.7)29.37(84.87)29.83(85.69)29.62(85.32)29.83(85.69)
Daily mean °C (°F)27.77(81.99)28.3(82.94)28.93(84.07)29.18(84.52)28.58(83.44)27.58(81.64)27.18(80.92)27.21(80.98)27.27(81.09)27.69(81.84)27.74(81.93)27.3(81.14)27.89(82.2)
Average low °C (°F)23.13(73.63)23.57(74.43)24.82(76.68)25.85(78.53)26.06(78.91)25.47(77.85)25.08(77.14)24.93(76.87)24.83(76.69)24.89(76.8)24.38(75.88)23.57(74.43)24.72(76.5)
Record low °C (°F)18.58(65.44)18.58(65.44)22.49(72.48)23.46(74.23)21.51(70.72)21.51(70.72)20.53(68.95)19.55(67.19)17.6(63.68)17.6(63.68)17.6(63.68)16.62(61.92)16.62(61.92)
Average precipitation mm (inches)74.18(2.92)92.25(3.63)109.62(4.32)236.55(9.31)511.44(20.14)559.98(22.05)498.42(19.62)483.64(19.04)406.23(15.99)354.63(13.96)293.79(11.57)196.8(7.75)318.12(12.52)
Average precipitation days (≥ 1.0 mm)9.5111.8217.8624.3527.3827.8228.2728.2724.8826.0523.7318.6622.38
Average relative humidity (%)72.0572.8673.9375.3178.2480.6180.7979.9479.1777.5777.1576.877.03
Mean monthly sunshine hours10.8510.6810.7810.9511.1411.1510.149.4810.19.918.798.6610.22

Climate Graph

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

Gampaha

Gampaha Temperature by Month

April
29.18°C | 84.52°F
March
28.93°C | 84.07°F
May
28.58°C | 83.44°F
February
28.3°C | 82.94°F
January
27.77°C | 81.99°F
November
27.74°C | 81.93°F
October
27.69°C | 81.84°F
June
27.58°C | 81.64°F
December
27.3°C | 81.14°F
September
27.27°C | 81.09°F
August
27.21°C | 80.98°F
July
27.18°C | 80.92°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 Temperature30.31°C (86.56°F)28.52°C (83.34°F)26.4°C (79.52°F)
Avg Temperature28.35°C (83.03°F)26.99°C (80.58°F)25.42°C (77.76°F)
Min Temperature25.42°C (77.76°F)24.51°C (76.12°F)23.46°C (74.23°F)
Dew PointMaxAverageMin
Dew Point24.44°C (75.99°F)23.59°C (74.46°F)23.46°C (74.23°F)
PrecipitationMaxAverageMinSum
Precipitation16.43mm | 0.65in7.53mm | 0.3in0.49mm | 0.02in225.95mm | 8.9in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind15.64kmh | 9.72mph11.7kmh | 7.27mph4.89kmh | 3.04mph
Gust Wind24.44kmh | 15.19mph17.11kmh | 10.63mph6.84kmh | 4.25mph
Sea Level PressureMaxAverageMin
Sea Level Pressure16.43mb7.53mb0.49mb
Gampaha

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
September° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2017-09-0128.35 | 83.0324.44 | 75.99824.89 | 3.0429.1 | 985.525.08 | 0.2
2017-09-0227.38 | 81.2824.44 | 75.99836.84 | 4.2529.1 | 985.5213.98 | 0.55
2017-09-0326.4 | 79.5223.46 | 74.23868.8 | 5.4729.13 | 986.513.79 | 0.54
2017-09-0427.38 | 81.2824.44 | 75.99869.78 | 6.0829.13 | 986.54.99 | 0.2
2017-09-0526.4 | 79.5223.46 | 74.238411.73 | 7.2929.16 | 987.4812.22 | 0.48
2017-09-0626.4 | 79.5223.46 | 74.238611.73 | 7.2929.13 | 986.513.79 | 0.54
2017-09-0726.4 | 79.5223.46 | 74.238810.75 | 6.6829.13 | 986.510.36 | 0.41
2017-09-0825.42 | 77.7623.46 | 74.23899.78 | 6.0829.13 | 986.514.67 | 0.58
2017-09-0926.4 | 79.5223.46 | 74.238713.69 | 8.5129.1 | 985.5213.39 | 0.53
2017-09-1026.4 | 79.5223.46 | 74.238610.75 | 6.6829.1 | 985.527.14 | 0.28
2017-09-1127.38 | 81.2824.44 | 75.998411.73 | 7.2929.13 | 986.54.2 | 0.17
2017-09-1227.38 | 81.2823.46 | 74.238413.69 | 8.5129.13 | 986.54.89 | 0.19
2017-09-1326.4 | 79.5223.46 | 74.238412.71 | 7.929.16 | 987.4815.35 | 0.6
2017-09-1427.38 | 81.2823.46 | 74.23818.8 | 5.4729.19 | 988.450.49 | 0.02
2017-09-1527.38 | 81.2823.46 | 74.238210.75 | 6.6829.16 | 987.480.49 | 0.02
2017-09-1627.38 | 81.2823.46 | 74.238214.67 | 9.1229.16 | 987.482.15 | 0.08
2017-09-1726.4 | 79.5223.46 | 74.238614.67 | 9.1229.22 | 989.4311.34 | 0.45
2017-09-1827.38 | 81.2823.46 | 74.238510.75 | 6.6829.22 | 989.433.13 | 0.12
2017-09-1927.38 | 81.2823.46 | 74.238211.73 | 7.2929.19 | 988.450.98 | 0.04
2017-09-2027.38 | 81.2823.46 | 74.238413.69 | 8.5129.19 | 988.455.67 | 0.22
2017-09-2127.38 | 81.2823.46 | 74.238312.71 | 7.929.16 | 987.484.4 | 0.17
2017-09-2227.38 | 81.2823.46 | 74.238211.73 | 7.2929.16 | 987.483.13 | 0.12
2017-09-2327.38 | 81.2823.46 | 74.238010.75 | 6.6829.16 | 987.480.78 | 0.03
2017-09-2427.38 | 81.2823.46 | 74.238011.73 | 7.2929.19 | 988.453.52 | 0.14
2017-09-2526.4 | 79.5223.46 | 74.238513.69 | 8.5129.16 | 987.4816.43 | 0.65
2017-09-2626.4 | 79.5223.46 | 74.238613.69 | 8.5129.13 | 986.510.75 | 0.42
2017-09-2726.4 | 79.5223.46 | 74.238315.64 | 9.7229.16 | 987.4810.46 | 0.41
2017-09-2827.38 | 81.2823.46 | 74.238414.67 | 9.1229.16 | 987.4813.88 | 0.55
2017-09-2927.38 | 81.2823.46 | 74.238012.71 | 7.929.16 | 987.480.98 | 0.04
2017-09-3027.38 | 81.2823.46 | 74.238311.73 | 7.2929.16 | 987.483.52 | 0.14

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