World Resorts Puerto Rico Isabella Weather

Isabella weather in May

Weather in Isabella: May

Average day temperature: 83.1°F
Average night temperature: 75.2°F
Sea water temperature: 81.9°F
Number of sunny days: 9 days
Day length: 12.8 - 13.2 hours
Number of rainy days: 10 days
Precipitation totals: 6.0 in.

Air temperature in May, °F

Show year:
2025
2024
2023

The highest day temperature during May of 2025 was 86°F. At the same time the lowest night temperature was 68°F. Daily and nightly averages during May were 82.2°F and 72.6°F.

Sea water temperature in Isabella in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 82.5°F. The highest and lowest sea temperatures during the month were 83.3°F and 81.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Isabella in May is 7.3 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 9.1 mph It makes May one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 7.4.

Best time for vacation in Isabella

Sunniest months:
January 13 days
December 12 days
February 11 days
Warmest months:
August 86.3 °F
September 85.7 °F
July 85.6 °F
Warmest sea temp:
October 84.9 °F
September 84.9 °F
August 84.2 °F
Coldest months:
January 80.5 °F
February 80.6 °F
March 80.9 °F
Rainiest months:
May 10 days
June 9 days
August 8 days
Windiest months:
July 13.4 mph
February 13.0 mph
December 12.9 mph

Isabella on a weather map

Isabella
+75°F
W 11 mph
Feels like: +79°F
Precip.: 0%
Places in Puerto Rico:
Name
°F
+73°F
+73°F
+75°F
+73°F
+73°F
+79°F
24 Hours Forecast
Isabella
Local time: 01:26
December 05, friday
0300
73°F
W
9 mph
0600
73°F
W
9 mph
0900
79°F
W
11 mph
1200
79°F
W
14 mph
1500
79°F
SW
19 mph
1800
75°F
W
19 mph
2100
75°F
W
16 mph
December 06, saturday
0000
75°F
W
12 mph
Units of measurement: °C / °F