Weather in San Juan in may 2025

The weather in San Juan in the month of may comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.

Average weather throughout may

good weather UV index: 7

Weather at 6am
79°F

Moderate rain at times

24%

Clear/Sunny

17%

Cloudy

4%

Weather at 12pm
85°F

Clear/Sunny

39%

Moderate rain at times

14%

Heavy rain

4%

Weather at 6pm
81°F

Clear/Sunny

35%

Moderate rain at times

11%

Cloudy

5%

Weather at 3am
79°F

Partly Cloudy

46%

Clear/Sunny

28%

Moderate rain at times

23%

Cloudy

3%



Evolution of daily average temperature and precipitation in San Juan in may

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in San Juan in may.


The climate of San Juan in may is good

the weather in San Juan in may is wet (with 3.5in of precipitation over 6 days). The weather's not getting better compared to the previous month since in april there is an average of 1.9in of precipitation over 2 days.

The climate enjoyable around this city the month of may. The high seasonal norm is 85°F. The seasonal minimum is 79°F. Thus, the mean temperature average in may in San Juan is 83°F. Note that seasonal normals are in contrast with those observed in San Juan in may with a maximum record of 88°F in 2015 and a minimum record of 76°F in 2009. You can expect to have about 6 days with temperatures up to 86°F, or 19 of the month.

In may in San Juan, the days on average last 13:00. The sun rises at 05:51 and sunset is at 18:51.

With a correct weather, the month of may is okay (but not good) to go there.



Seasonal average climate and temperature of San Juan in may

Check below seasonal norms These statistics are set from the weather statements earlier years of the month of may.

May
Outside temperature
Average temperature 83°F
Highest temperature 85°F
Lowest temperature 79°F
Highest record temperature 88°F
(2015)
Lowest record temperature 76°F
(2009)
Number of days at +86°F 6 day(s)
(19%)
Number of days at +65°F 31 day(s)
(100%)
Sea temperature
Average sea temperature 82°F
Lowest sea temperature 80°F
Highest sea temperature 84°F
Wind
Wind speed 19km/h
Wind temperature 79°F
Precipitation (rainfall)
Rainfall 3.5in
Number of days with rainfall 6 day(s)
(19%)
Record daily rainfall 1.2in
(2020)
Other climate data
Humidity 81%
Visibility 9.71km
Cloud cover 33%
UV index 7
Daily sunshine hours 13
Sunrise and sunset
Time of sunrise 05:51
Time of sunset 18:51
Length of day 13:00
Our opinion about the weather in may
Our opinion at whereandwhen.net good



How was the weather last may?

Here is the day by day recorded weather in San Juan in may 2024:

01-05-2024
Light rain shower
77°F to 81°F
02-05-2024
Patchy rain nearby
77°F to 85°F
03-05-2024
Patchy rain nearby
77°F to 85°F
04-05-2024
Partly Cloudy
77°F to 83°F
05-05-2024
Patchy rain nearby
77°F to 81°F
06-05-2024
Light rain shower
77°F to 81°F
07-05-2024
Patchy rain nearby
77°F to 81°F
08-05-2024
Cloudy
77°F to 81°F
09-05-2024
Patchy light rain
77°F to 83°F
10-05-2024
Patchy rain nearby
76°F to 83°F
11-05-2024
Patchy rain nearby
76°F to 85°F
12-05-2024
Clear/Sunny
77°F to 86°F
13-05-2024
Clear/Sunny
77°F to 85°F
14-05-2024
Clear/Sunny
77°F to 85°F
15-05-2024
Patchy rain nearby
79°F to 85°F
16-05-2024
Patchy rain nearby
77°F to 86°F
17-05-2024
Patchy rain nearby
79°F to 86°F
18-05-2024
Patchy rain nearby
79°F to 86°F
19-05-2024
Patchy rain nearby
79°F to 86°F
20-05-2024
Patchy rain nearby
79°F to 86°F
21-05-2024
Patchy rain nearby
79°F to 86°F
22-05-2024
Patchy light rain
77°F to 83°F
23-05-2024
Patchy rain nearby
77°F to 79°F
24-05-2024
Patchy rain nearby
79°F to 86°F
25-05-2024
Clear/Sunny
79°F to 86°F
26-05-2024
Clear/Sunny
79°F to 86°F
27-05-2024
Patchy light rain in area with thunder
79°F to 85°F
28-05-2024
Patchy rain nearby
81°F to 86°F
29-05-2024
Clear/Sunny
79°F to 86°F
30-05-2024
Patchy rain nearby
79°F to 86°F
31-05-2024
Patchy rain nearby
79°F to 86°F

Map: other cities in Puerto Rico in may

Cities near San Juan:

Bayamón in maygood weather
Dorado in maytolerable weather
Carolina in maygood weather
Vega Alta in maytolerable weather
Caguas in maytolerable weather
Comerio in maytolerable weather
Cidra in maytolerable weather
Cayey in maytolerable weather
Aibonito in maytolerable weather
Manati in maytolerable weather
Luquillo in maygood weather
Humacao in maytolerable weather
Puerto Rico in may: See full list of cities

Click over cities on the map for information about the weather in may.

Legend: San Juan perfect weather good tolerable bad very bad


Weather data for San Juan in may:

Weather data for San Juan for may are derived from an average of the weather forecast since 2009 in San Juan. There is a margin of error and these forecasts are to be considered as general information only. The weather in San Juan can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to San Juan.


Weather in april in San Juan
Weather in june in San Juan
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