San Juan, Puerto Rico weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Fair
Best time to visit: December – April
What is the weather like in San Juan, Puerto Rico in June?
In June, San Juan, Puerto Rico is hot: daytime highs average 31 °C, and even at night it stays warm at around 25 °C. The sea averages 28.1 °C – lovely and warm for swimming. The sun shines for around 9 hours a day. Rain is frequent, with about 13 rainy days and 62 mm in total. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a so-so month for a holiday in San Juan, Puerto Rico.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 13 h 14 min05:48 – 19:01
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or more
- Wind
- 20 km/haverage daily peak
- Cloud cover
- 60 %on average
- Hot days
- 26 days30 °C or more
- Time zone
- UTC−4America/Puerto_Rico
How the score comes together
- Temperatureweight 50 %45 %
- Sunshineweight 20 %93 %
- Few rainy daysweight 30 %37 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in June
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
San Juan, Puerto Rico in June: quick answers
Is San Juan, Puerto Rico hot in June?
Yes. In June, San Juan, Puerto Rico is hot: daytime highs average 31 °C and nights stay around 25 °C. On about 26 days the thermometer climbs to 30 °C or more.
Can you swim in San Juan, Puerto Rico in June?
Yes. In June the sea averages 28.1 °C – lovely and warm for swimming.
Does it rain much in San Juan, Puerto Rico in June?
Rain is frequent, with about 13 rainy days and 62 mm in total.
San Juan, Puerto Rico month by month
The whole year in San Juan, Puerto RicoAll destinations: Puerto RicoWhere to go in JuneSea temperature in June
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)