San Sebastian in may: average Weather, Temperature and Climate
Weather in San Sebastian in may 2025
The weather in San Sebastian 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
tolerable weather UV index: 7
Weather at 6am
79°F
Clear/Sunny
52% of time
42%
5%
2%
Weather at 12pm
85°F
Moderate rain at times
28% of time
27%
25%
15%
Weather at 6pm
79°F
Moderate rain at times
34% of time
29%
19%
17%
Weather at 3am
77°F
52%
30%
14%
3%
Evolution of daily average temperature and precipitation in San Sebastian in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in San Sebastian in may.
The climate of San Sebastian in may is tolerable
the weather in San Sebastian in may is wet (with 8.5in of precipitation over 13 days). The situation is deteriorating compared to the previous month since in april there is an average of 4.4in of precipitation over 7 days.
The climate comfortable in that locality this month. The thermometer averaged maximum of 85°F. The seasonal minimum is 79°F. Thus, the mean temperature average on this month of may in San Sebastian is 83°F. These temperatures are far removed from those records observed in San Sebastian in may with a maximum record of 92°F in 2015 and a minimum record of 72°F in 2020. You can plan to have about 9 days with temperatures above 86°F, or 29 of the month.
Day length in San Sebastian in may is 12:59. The sun rises at 05:55 and sets at 18:54.
With a correct weather, the month of may is okay (but not good) to go in this locality.
San Sebastian: another month?
If you can push the dates of your trip to San Sebastian forward, the month of june has a better weather forecast than may. more information
May: another location in Puerto Rico?
If you want to go to Puerto Rico in may, there are destinations with better weather than San Sebastian:
In may, San Juan, Bayamón, Vieques, Adjuntas, Boqueron and Cabo Rojo have good weather.
Seasonal average climate and temperature of San Sebastian in may
Check below seasonal norms These datas are generated from the weather statements of the last years of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 83°F | ||||
| Highest temperature | 85°F | ||||
| Lowest temperature | 79°F | ||||
| Highest record temperature | 92°F (2015) | ||||
| Lowest record temperature | 72°F (2020) | ||||
| Number of days at +86°F | 9 day(s) (29%) | ||||
| 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 | 83°F | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 79°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 8.5in | ||||
| Number of days with rainfall | 13 day(s) (40%) | ||||
| Record daily rainfall | 2.5in (2013) | ||||
| Other climate data | |||||
| Humidity | 80% | ||||
| Visibility | 9.37km | ||||
| Cloud cover | 29% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:55 | ||||
| Time of sunset | 18:54 | ||||
| Length of day | 12:59 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last may?
Here is the day by day recorded weather in San Sebastian in may 2024:
74°F to 83°F
74°F to 86°F
74°F to 85°F
76°F to 83°F
74°F to 85°F
76°F to 83°F
74°F to 83°F
74°F to 85°F
74°F to 85°F
74°F to 85°F
74°F to 85°F
76°F to 88°F
76°F to 86°F
74°F to 88°F
74°F to 88°F
74°F to 86°F
76°F to 88°F
76°F to 88°F
76°F to 88°F
76°F to 88°F
76°F to 88°F
74°F to 79°F
74°F to 76°F
77°F to 83°F
77°F to 85°F
76°F to 88°F
79°F to 85°F
77°F to 83°F
76°F to 86°F
76°F to 86°F
76°F to 86°F
Map: other cities in Puerto Rico in may
Cities near San Sebastian:
| Quebradillas in may | tolerable weather |
| Anasco in may | tolerable weather |
| Isabela in may | tolerable weather |
| Aguadilla in may | tolerable weather |
| Mayagüez in may | tolerable weather |
| Hatillo in may | tolerable weather |
| Hormigueros in may | good weather |
| Rincon in may | tolerable weather |
| San German in may | good weather |
| Arecibo in may | tolerable weather |
| Utuado in may | tolerable weather |
| Cabo Rojo in may | good weather |
Click over cities on the map for information about the weather in may.
San Sebastian
perfect weather
good
tolerable
bad
very bad
Weather data for San Sebastian in may:
Weather data for San Sebastian for may are derived from an average of the weather forecast since 2009 in San Sebastian. There is a margin of error and these forecasts are to be considered as general information only. The weather in San Sebastian 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 Sebastian.