Isabela, Puerto Rico Climate

Weather: 23.85°C/74.93°F, Wind SW at 6.23 km/h, 93% Humidity, 1.2% Chance of rain

Puerto Rico
(Photo by AL Seveni on Unsplash)

Isabela Climate Summary

Located at an elevation of 119.77 meters (392.95 feet) above sea level, Isabela has a Tropical monsoon climate (Classification: Am). The city’s yearly temperature is 26.86ºC (80.35ºF) and it is -0.1% lower than Puerto Rico’s averages. Isabela typically receives about 201.44 millimeters (7.93 inches) of precipitation and has 222.27 rainy days (60.9% of the time) annually.

CountryPuerto Rico
Longitude-67.0242062
Latitude18.4703856
Attitude/Elevation119.77m (392.95ft)
Local timeSaturday 20:00
Annual high temperature28.21ºC (82.78ºF)
Annual low temperature24.72ºC (76.5ºF)
Average annual precip.201.44mm (7.93in)
Warmest monthSeptember (29.52ºC / 85.14ºF)
Coldest MonthMarch (23.11ºC / 73.6ºF)
Wettest MonthMay (361.73mm / 14.24in)
Driest MonthJanuary (61.89mm / 2.44in)
Number of days with rainfall (≥ 1.0 mm)222.27 days (60.9%)
Days with no rain142.73 days (39.1%)
Humidity78.04%

Climate Isabela: Monthly Averages

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)31.0(87.8)30.0(86.0)31.0(87.8)35.0(95.0)33.0(91.4)33.0(91.4)32.0(89.6)33.0(91.4)33.0(91.4)34.0(93.2)32.0(89.6)30.0(86.0)35.0(95.0)
Average high °C (°F)26.86(80.35)26.97(80.55)26.82(80.28)27.61(81.7)28.35(83.03)28.98(84.16)29.2(84.56)29.49(85.08)29.52(85.14)29.33(84.79)28.18(82.72)27.23(81.01)28.21(82.78)
Daily mean °C (°F)25.41(77.74)25.42(77.76)25.38(77.68)26.2(79.16)26.96(80.53)27.71(81.88)27.95(82.31)28.25(82.85)28.21(82.78)27.94(82.29)26.89(80.4)25.95(78.71)26.86(80.35)
Average low °C (°F)23.4(74.12)23.17(73.71)23.11(73.6)23.76(74.77)24.65(76.37)25.35(77.63)25.77(78.39)26.08(78.94)26.16(79.09)25.9(78.62)25.06(77.11)24.17(75.51)24.72(76.5)
Record low °C (°F)19.0(66.2)20.0(68.0)20.0(68.0)21.0(69.8)20.0(68.0)24.0(75.2)23.0(73.4)24.0(75.2)23.0(73.4)19.0(66.2)19.0(66.2)20.0(68.0)19.0(66.2)
Average precipitation mm (inches)61.89(2.44)63.31(2.49)114.95(4.53)167.7(6.6)361.73(14.24)221.98(8.74)229.22(9.02)275.81(10.86)323.32(12.73)272.99(10.75)253.04(9.96)71.29(2.81)201.44(7.93)
Average precipitation days (≥ 1.0 mm)11.0910.5514.3618.5525.9120.4519.4522.5523.3623.3620.012.6418.52
Average relative humidity (%)77.2976.6876.4177.2178.7779.7279.2679.1878.3677.6578.4777.4878.04
Mean monthly sunshine hours10.5410.7410.3710.6812.6513.0412.0811.0811.0410.438.268.8210.81

Climate Graph

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

Isabela

Isabela Temperature by Month

August
28.25°C | 82.85°F
September
28.21°C | 82.78°F
July
27.95°C | 82.31°F
October
27.94°C | 82.29°F
June
27.71°C | 81.88°F
May
26.96°C | 80.53°F
November
26.89°C | 80.4°F
April
26.2°C | 79.16°F
December
25.95°C | 78.71°F
February
25.42°C | 77.76°F
January
25.41°C | 77.74°F
March
25.38°C | 77.68°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 Temperature31.0°C (87.8°F)29.61°C (85.3°F)29.0°C (84.2°F)
Avg Temperature29.0°C (84.2°F)28.1°C (82.58°F)27.0°C (80.6°F)
Min Temperature26.0°C (78.8°F)25.13°C (77.23°F)24.0°C (75.2°F)
Dew PointMaxAverageMin
Dew Point23.0°C (73.4°F)22.77°C (72.99°F)22.0°C (71.6°F)
PrecipitationMaxAverageMinSum
Precipitation23.7mm | 0.93in5.56mm | 0.22in0.0mm | 0in172.5mm | 6.79in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind30.0kmh | 18.64mph20.52kmh | 12.75mph12.0kmh | 7.46mph
Gust Wind43.0kmh | 26.72mph30.1kmh | 18.7mph18.0kmh | 11.18mph
Sea Level PressureMaxAverageMin
Sea Level Pressure23.7mb5.56mb0.0mb
Isabela

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
July° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-07-0127 | 80.622 | 71.67922 | 13.6730.0 | 10160.1 | 0.0
2018-07-0227 | 80.623 | 73.48215 | 9.3229.97 | 10151.7 | 0.07
2018-07-0328 | 82.423 | 73.47819 | 11.8130.0 | 10160.3 | 0.01
2018-07-0428 | 82.423 | 73.47925 | 15.5330.03 | 10170.0 | 0.0
2018-07-0528 | 82.423 | 73.47925 | 15.5330.06 | 10180.0 | 0.0
2018-07-0628 | 82.422 | 71.67623 | 14.2930.03 | 10170.7 | 0.03
2018-07-0728 | 82.422 | 71.67625 | 15.5330.03 | 10170.0 | 0.0
2018-07-0828 | 82.423 | 73.47930 | 18.6430.03 | 10170.2 | 0.01
2018-07-0928 | 82.423 | 73.48024 | 14.9130.0 | 10165.9 | 0.23
2018-07-1029 | 84.223 | 73.47718 | 11.1830.0 | 10160.7 | 0.03
2018-07-1129 | 84.223 | 73.47720 | 12.4330.03 | 10170.0 | 0.0
2018-07-1228 | 82.422 | 71.67623 | 14.2930.06 | 10180.0 | 0.0
2018-07-1328 | 82.422 | 71.67618 | 11.1830.06 | 10182.5 | 0.1
2018-07-1428 | 82.423 | 73.47923 | 14.2930.06 | 10181.8 | 0.07
2018-07-1528 | 82.423 | 73.48024 | 14.9130.03 | 10170.4 | 0.02
2018-07-1629 | 84.223 | 73.47821 | 13.0530.06 | 101823.7 | 0.93
2018-07-1728 | 82.423 | 73.48021 | 13.0530.09 | 10190.7 | 0.03
2018-07-1828 | 82.423 | 73.47826 | 16.1630.03 | 10170.2 | 0.01
2018-07-1929 | 84.223 | 73.47922 | 13.6730.0 | 101616.2 | 0.64
2018-07-2029 | 84.223 | 73.47720 | 12.4330.03 | 10170.3 | 0.01
2018-07-2128 | 82.423 | 73.47618 | 11.1830.03 | 10170.2 | 0.01
2018-07-2228 | 82.422 | 71.67615 | 9.3229.97 | 101515.6 | 0.61
2018-07-2328 | 82.422 | 71.67615 | 9.3230.0 | 10167.4 | 0.29
2018-07-2428 | 82.423 | 73.47712 | 7.4630.03 | 10173.7 | 0.15
2018-07-2528 | 82.423 | 73.47914 | 8.730.03 | 101722.3 | 0.88
2018-07-2628 | 82.423 | 73.47913 | 8.0830.06 | 10189.2 | 0.36
2018-07-2728 | 82.423 | 73.47916 | 9.9430.06 | 101813.6 | 0.54
2018-07-2828 | 82.423 | 73.47818 | 11.1830.03 | 101717.1 | 0.67
2018-07-2928 | 82.423 | 73.47821 | 13.0530.03 | 101721.8 | 0.86
2018-07-3028 | 82.423 | 73.48126 | 16.1630.03 | 10176.2 | 0.24
2018-07-3128 | 82.423 | 73.47824 | 14.9130.03 | 10170.0 | 0.0

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