Temperatures in June
It's pleasantly warm in June in San Juan with an average temperature of 22°C. Temperatures this month range from a low of 20°C to a high of 24°C. At night, you can expect temperatures between 9°C and 17°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for San Juan in June. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of June
The month of June starts in San Juan with warm temperatures, averaging around 22°C during the day and nights close to 14°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-June
By mid-June, the average daytime temperature stays the same at 22°C, with nights close to 12°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of June
By the end of June, the average daytime temperature in San Juan will be around 23°C, with nights close to 15°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
Precipitation in June
In June, there is an average of 113 mm of precipitation, spread over 7 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The average precipitation chance is 22% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in June for San Juan. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
San Juan in June |
London | ||
|---|---|---|---|
 Average Temperature |
22°C | 22°C | |
 High Temp |
24°C | 24°C | |
| Low Temp |
20°C | 18°C | |
 Total Precipitation |
113 mm | 57 mm | |
| Rainy Days |
7 days | 10 days | |
May
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is June a good time to visit San Juan?
After some sun? Then June isn’t the best time to be in San Juan. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for San Juan in June
With 31°C, San Juan hit the highest temperature in the last 10 years in June 2015. The lowest daytime temperature in this month was 10°C in 2023. The extreme night temperatures ranged from a low of 2°C to a high of 23°C.
Check out the climate of San Juan for all months and discover the best travel time
Daily Temperature in June in San Juan
This chart shows the average daily temperatures, both day and night, for each day in June in San Juan, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in June in San Juan
The chart below shows the average daily precipitation in June for San Juan, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for June, you can expect around 7 days of rain in San Juan.
Daily UV Index in June in San Juan
This chart shows the average daily UV index in June in San Juan, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in June in San Juan Over the Years
This chart shows the average temperature in June in San Juan, measured in degrees Celsius, over the past years.
Total Precipitation in June in San Juan Over the Years
This chart shows the average precipitation in June in San Juan, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in June for San Juan
Click on a specific day in June for detailed info on the typical weather on that day in San Juan. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in June in San Juan
Have you been to San Juan in June?
Share your weather experience in June in San Juan.
Average Weather in San Juan by Month
Click on a month below to see detailed weather info for San Juan. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
