Weather in San Juan in June 2025
Average weather
Average temperature in San Juan in June
Going from a maximum of +95°F during the day to a minimum of +77°F during the night, the temperature in June averages around +91°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +91°F to +91°F.
Is San Juan warm or cold in June?
San Juan is typically hot in June.
Maximum temperatures go up compared to the previous month from +86°F to +88°F. The minimum temperature also goes up from +75°F to +77°F.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
Take a look at how June is compared to other months in San Juan:
Water temperature in San Juan in June
Water in San Juan in June is Very warm. It varies from +81°F to +84°F, with an average of +83°F. This is almost similar to the air temperature, which averages +88°F.
In June, water temperatures are average relative to the rest of the year:
Can you swim in San Juan in June?
Climate in San Juan in June
| May | June | July | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +86°F | +88°F | +88°F | ||||
| Min. temperature | ||||||
| +46°F | +72°F | +73°F | ||||
| Max. temperature | ||||||
| +91°F | +95°F | +95°F | ||||
| Rainfall | ||||||
| 146 mm | 79 mm | 84 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +81°F | +83°F | +83°F | ||||
| Humidity | ||||||
| 77% | 77% | 78% | ||||
| Air pressure | ||||||
| 1015 HPa | 1016 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 1 | 2 | 1 | ||||
| Cloudy days | ||||||
| 4 | 5 | 5 | ||||
| Rainy days | ||||||
| 22 | 20 | 21 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
June weather is still as ok as in May. It’s getting warmer as June arrives. The average maximum temperature goes up from +86°F to +88°F during the day. As June arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 146 mm to 79 mm. Humidity levels don’t change as the month goes on, averaging around 77%. The average wind speed doesn’t change much during June, staying around 3 m/s. The good news is there are likely to be more sunny days in June, from 1 to 2.
July brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in San Juan is gradually increasing during June, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last June in San Juan?
Climate Change Over the Years
The climate in San Juan in June has not changed that much over the last 43 years.
The average temperature was the lowest in 2008 (+84°F) and the highest in 2013 (+87°F). The driest year was 1994 with only 675 mm of rainfall, and the wettest year was 2023 with 2338 mm.
FAQ
Is June a good time to visit San Juan?
Can you sunbathe in San Juan in June?
Can you swim in San Juan in June?
Is San Juan rainy in June?
Is it sunny in San Juan in June?
Monthly weather in San Juan
Source of the data
For this page, we’ve looked at the typical weather in San Juan, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.