ClimateForecastDecemberJanuary >>

Isabela Climate by Month

Isabela maintains a fairly consistent warm average temperature. It also has a relatively rainy climate with high levels of precipitation. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

The temperature in Isabela remains steady throughout the year, providing a consistently very warm climate. On average, daytime temperatures range from a very warm 31°C in August to a comfortable 28°C in February. Nighttime temperatures can drop, with averages reaching 23°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Isabela has a relatively rainy climate with high precipitation levels, averaging 1118 mm of rainfall annually. The seasons in Isabela, bring significant changes in precipitation. The wettest month, September, receives high rainfall, with an average of 156 mm of precipitation. This rainfall is distributed across 17 rainy days.

In contrast, the driest month, February, experiences much less rainfall, totaling 43 mm over 14 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

The mean monthly precipitation over the year, including rain, hail and snow

The best time of year to visit Isabela in Puerto Rico

The best time to visit is during the drier months: January, February, March and December.

Other facts from our historical weather data:
  • Which is the hottest month in Isabela?
    August has an average maximum temperature of 31°C and is the hottest month of the year.
  • Which is the coolest month in Isabela?
    The coolest month is March with an average maximum temperature of 28°C.
  • Which is the wettest month in Isabela?
    September tops the wettest month list with 156 mm of rainfall.
  • Which is the driest month in Isabela?
    February is the driest month with 43 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Isabela

    Sun   Dec 15
    29°C | 22°C
    SW 7 km/h
    2.4 mm
    partly cloudy and thunder

    partly cloudy and thunder

    Mon   Dec 16
    29°C | 22°C
    NE 14 km/h
    4 mm
    partly cloudy and thunder

    partly cloudy and thunder

    Tue   Dec 17
    29°C | 22°C
    NE 22 km/h
    2.2 mm
    partly cloudy and rain

    partly cloudy and rain