April weather forecastRincon, PR

April
Weather in April
April presents itself as a slightly unpredictable month in Rincon, Puerto Rico, with an ascent in rainfall count to 2.17" (55mm). Frequent windy days become a tad less dominant, giving room for calmer weather spells. Inhabitants and visitors alike might witness increased sea temperatures paired with amplifying daylight hours, nurturing an enticing beach milieu. The sealing moment comes with the annual lowest values in sunlight hours, only nine a day, possibly contributing to April's unique freshness. Look forward to a twist of milder days and cooler nights, enabling a delightful mix of the season’s moods.Temperature
April is marked by an average high-temperature of a still warm 81.5°F (27.5°C), almost identical to the preceding month. Rincon registers a gentle descent to an average nighttime low of 75.7°F (24.3°C) in April from its daytime highs.Heat index
During April, the heat index is evaluated at a hot 86°F (30°C). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In April, the average relative humidity is 76%.Rainfall
In April, the rain falls for 18.8 days. Throughout April, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 235.5 rainfall days, and 31.97" (812mm) of precipitation is accumulated.Ocean temperature
In April, the average ocean temperature is 80.4°F (26.9°C).Note: For any water activity, having surface water temperatures from 77°F (25°C) to 84.2°F (29°C) is considered outstanding and highly delightful for lengthened periods.
Daylight
The average length of the day in April is 12h and 34min.On the first day of April, sunrise is at 6:22 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 6:50 pm AST.
Sunshine
In Rincon, Puerto Rico, the average sunshine in April is 9h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 7 during April leads to these advisories:
Resist extreme sun exposure. Guarding against solar damage is essential. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rincon, PR
- Average high temperature in April: 81.5°F
The warmest month (with the highest average high temperature) is September (84.9°F).
The month with the lowest average high temperature is March (80.2°F).
- Average low temperature in April: 75.7°F
The month with the highest average low temperature is August (79.9°F).
The coldest month (with the lowest average low temperature) is March (74.3°F).
Average pressure in April
Rincon, PR
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.02"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).
Average wind speed in April
Rincon, PR
- Average wind speed in April: 9.4mph
The windiest month (with the highest average wind speed) is December (11.2mph).
The calmest month (with the lowest average wind speed) is October (7.7mph).
Average humidity in April
Rincon, PR
- Average humidity in April: 76%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in April
Rincon, PR
- Average rainfall in April: 2.17"
The wettest month (with the highest rainfall) is September (3.9").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in April
Rincon, PR
- Average rainfall days in April: 18.8 days
The month with the highest number of rainy days is May (24.5 days).
The month with the least rainy days is February (14.4 days).
Average sea temperature in April
Rincon, PR
- Average sea temperature in April: 80.4°F
The best month for swimming (with the highest average sea temperature) is September (84.9°F).
The coldest month (with the lowest average sea temperature) is February (79.2°F).
Average daylight in April /
Average sunshine in April
Rincon, PR
- Average daylight in April: 12h and 36min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in April: 9h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in April
Rincon, PR
- Average sunshine days in April: 8.3 days
The month with the most sunshine days is January (11.5 days).
The month with the least sunshine days is May (5.1 days).
Average UV index in April
Rincon, PR
- Average UV index in April: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in April
Rincon, PR
- Average cloud cover in April: 26
The month with the most cloud cover is May (Cloud cover 29).
The months with the least cloud cover are January and February (Cloud cover 21).
Average visibility in April
Rincon, PR
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





