Isabela Weather in April

April in Isabela brings high temperatures, with daytime highs of 29°C (84°F) and nights around 23°C (73°F). Quite a bit of rainfall is expected, around 87 mm (3.4 in), so pack an umbrella.

Rainfall in Isabela in April

Historically, approximately 13 days this month are expected to have rain, averaging 87 mm (3.4 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Isabela in April

April is one of the better months to visit Isabela. Expect 29°C (84°F) during the day and 23°C (73°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights stay warm at around 23°C (73°F), so light bedding and good ventilation are worth thinking about.

If you're inclined towards comfortable temperatures and drier conditions, April is a good time to visit Isabela.

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• January
• February
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• May
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• September
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For a detailed overview over the year and the best time to visit Puerto Rico, check out our Isabela's climate page.

Isabela Temperature in April

Min Temperature 23°C (73°F)  

Max Temperature 29°C (84°F)  

Chance of Rain 43%  

Precipitation 87 mm (3.4 in)  

Rainy days 13 days  

Daily Historical Temperatures

48-year average (1977-2025)

Based on our historical records, temperatures in Isabela typically stay consistent throughout April, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 22°C (72°F).

Average temperatures in April

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Historical weather for Isabela in April

Browse day-by-day weather records for Isabela spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Isabela historical weather extremes in April

According to our 47 years of weather records for Isabela, the following extremes were recorded between 1979 and 2026.

• The warmest day in April was on April 28, 2008, with a maximum of 37°C (99°F).
• The coldest April day was on April 11, 1980, with a maximum of 22°C (72°F).
• The coldest night in April in Isabela was on April 1, 1979, with a minimum of 16°C (61°F).

What to Wear in Isabela in April

Warm temperatures in April make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Isabela in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Puerto Rico, check out our Isabela's climate page.

More climate data for Isabela

Temperature Rainfall

See the full Isabela climate overview or explore weather in Puerto Rico.