Humacao Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Humacao.

Climate overview of Humacao

The climate in Humacao, Puerto Rico, is remarkably consistent, with temperatures year-round averaging 29°C (84°F). The warmest month is September at 30°C (86°F), and the coolest is February at 27°C (81°F).

The city has a wet climate, receiving around 1450 mm (57 in) of rainfall per year. September is the wettest month. March is the sunniest month, averaging 9.5 hours of sunshine per day.

Humacao Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Humacao - and find the best time to visit.

Monthly Temperature in Humacao

In Humacao temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 30°C (86°F) in September to a comfortable 27°C (81°F) in February.

Nighttime temperatures range from 25°C (77°F) in September to 23°C (73°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Humacao

Humacao experiences significant rainfall throughout the year, averaging 1450 mm (57 in) of precipitation annually. The seasons in Humacao bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 192 mm (7.6 in) of precipitation. This rainfall is distributed across 18 rainy days.

In contrast, the driest month, February, experiences much less rainfall, totaling 61 mm (2.4 in) over 15 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Humacao Precipitation page.

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

Sunshine Hours in Humacao

Humacao enjoys sunny spells year-round. March sees up to 9.5 hours of daily sunshine, perfect for a sunny trip. November, the least sunny month, still offers a generous 6.8 hours of sun despite this cloudier time of the year.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: San Juan, Puerto Rico (36 KM, 22 Miles).

Daily hours of sunshine

Data from: San Juan, Puerto Rico (36 KM, 22 Miles).

Humidity in Humacao by Month

Best Time to Visit Humacao

The most comfortable overall weather for exploring Humacao is usually found in January, February, March, April and December. Conditions are generally least comfortable in September.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: January, February, March, April and December
  • Warmest weather: May, June, July, August, September, October and November
  • Most sunshine: March and July
  • Fewer rainy days: February, March, April, May and June

Frequently asked questions about the climate in Humacao

What is the best time to visit Humacao?

January, February, March, April and December typically offer the most optimal weather in Humacao. In contrast, September tends to have less optimal conditions.

What temperatures can I expect in Humacao?

Daytime highs range from 27°C (81°F) in February to 30°C (86°F) in September. Nighttime lows range from 23°C (73°F) to 25°C (77°F). Temperatures stay relatively stable year-round.

How much rain does Humacao get?

Annual rainfall is around 1450 mm (57 in). September is the wettest month with 192 mm (7.6 in), while February is the driest with 61 mm (2.4 in).

How sunny is Humacao?

Humacao receives around 2,966 hours of sunshine per year. March is the sunniest month with 284 hours, while November is the cloudiest with just 203 hours. Overall, Humacao enjoys abundant sunshine.

Humacao 3-Day Forecast

Humacao 3-Day Forecast

Humacao on the map

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