San Juan in may: average Weather, Temperature and Climate
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
Partly Cloudy
54% of time
24%
17%
4%
Weather at 12pm
85°F
Partly Cloudy
41% of time
39%
14%
4%
Weather at 6pm
81°F
Partly Cloudy
47% of time
35%
11%
5%
Weather at 3am
79°F
46%
28%
23%
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:
77°F to 81°F
77°F to 85°F
77°F to 85°F
77°F to 83°F
77°F to 81°F
77°F to 81°F
77°F to 81°F
77°F to 81°F
77°F to 83°F
76°F to 83°F
76°F to 85°F
77°F to 86°F
77°F to 85°F
77°F to 85°F
79°F to 85°F
77°F to 86°F
79°F to 86°F
79°F to 86°F
79°F to 86°F
79°F to 86°F
79°F to 86°F
77°F to 83°F
77°F to 79°F
79°F to 86°F
79°F to 86°F
79°F to 86°F
79°F to 85°F
81°F to 86°F
79°F to 86°F
79°F to 86°F
79°F to 86°F
Map: other cities in Puerto Rico in may
Cities near San Juan:
| Bayamón in may | good weather |
| Dorado in may | tolerable weather |
| Carolina in may | good weather |
| Vega Alta in may | tolerable weather |
| Caguas in may | tolerable weather |
| Comerio in may | tolerable weather |
| Cidra in may | tolerable weather |
| Cayey in may | tolerable weather |
| Aibonito in may | tolerable weather |
| Manati in may | tolerable weather |
| Luquillo in may | good weather |
| Humacao in may | tolerable weather |
Click over cities on the map for information about the weather in may.
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.