March weather forecastRincon, PR

March
Weather in March
March, marking the advent of spring, brings noticeable changes to the Rincon, Puerto Rico, climate profile. Even with the escalation in rainfall to 1.81" (46mm), outdoor activities hardly take a hit given the hastening warmth. Rising temperatures accompany more daylight, crossing the 12-hour mark for the first time in the year. In contrast to the previous month, March encounters an uptake in windy conditions, with a 10% increase observed in the wind speed. Despite the slight changes in the weather scheme, the tropical charm of Rincon, Puerto Rico continues to flourish, casting a vibrant panorama.Temperature
March tends to be the coldest month, with temperatures averaging a daily high of 80.2°F (26.8°C) and a low of 74.3°F (23.5°C).Humidity
The least humid month is March, with an average relative humidity of 75%.Rainfall
In Rincon, during March, the rain falls for 17.7 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Rincon, during the entire year, the rain falls for 235.5 days and collects up to 31.97" (812mm) of precipitation.Ocean temperature
In Rincon, the average seawater temperature in March is 79.3°F (26.3°C).Note: In water activities such as swimming and diving, temperatures from 77°F (25°C) to 84.2°F (29°C) are deemed highly pleasurable for extended periods without any unease.
Daylight
In Rincon, Puerto Rico, the average length of the day in March is 12h and 3min.On the first day of the month, sunrise is at 6:47 am and sunset at 6:35 pm. On the last day of March, sunrise is at 6:23 am and sunset at 6:42 pm AST.
Sunshine
In March, the average sunshine is 8.6h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In March, the UV index of 7 transforms into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Rincon, PR
- Average high temperature in March: 80.2°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 March: 74.3°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 March
Rincon, PR
- Average pressure in March: 30"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 March
Rincon, PR
- Average wind speed in March: 10.1mph
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 March
Rincon, PR
- Average humidity in March: 75%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall in March
Rincon, PR
- Average rainfall in March: 1.81"
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 March
Rincon, PR
- Average rainfall days in March: 17.7 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 March
Rincon, PR
- Average sea temperature in March: 79.3°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 March /
Average sunshine in March
Rincon, PR
- Average daylight in March: 12h and 6min
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 March: 8h and 36min
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 March
Rincon, PR
- Average sunshine days in March: 9.7 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 March
Rincon, PR
- Average UV index in March: 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 March
Rincon, PR
- Average cloud cover in March: 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 March
Rincon, PR
- Average visibility in March: 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).





