PhilippinesAverage weather for San Juan in May
It's hot in May in San Juan with an average temperature of 34°C. Temperatures this month range from a low of 33°C to a high of 35°C. At night, you can expect temperatures between 26°C and 28°C.
Start of May
The month of May starts in San Juan with hot temps, averaging around 35°C during the day and nights around 27°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid May
By mid-May, daytime temps stay steady at around 35°C, with nights around 28°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of May
By the end of May, the average daytime temperature in San Juan is around 34°C, while nighttime temps are about 27°C. There’s a significant chance of many days with precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
In May, there is an average of 203 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
San Juan in May |
New York | ||
|---|---|---|---|
 Average temperature |
34°C | 22°C | |
 Max. temperature |
35°C | 28°C | |
| Min. temperature |
33°C | -5°C | |
 Total precipitation |
203 mm | 105 mm | |
| Rainy days |
17 days | 14 days | |
April
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is May a good time to visit San Juan?
Looking for sun? May isn’t a good month to be in San Juan. The temperature is nice, but there’s too much chance of rain.
The typhoon season in San Juan runs from June to November.
Temperature records
With 38°C in 2014, San Juan reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 28°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 30°C.
Check out the climate of San Juan for all months and discover the best travel time
Daily Temperature in May in San Juan
This chart shows the average daily high and low temperatures in May for San Juan, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in San Juan
The chart below shows the average daily precipitation in May for San Juan, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 17 days of precipitation in San Juan.
Daily UV index in May in San Juan
This chart shows the average daily UV index in May 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 May in San Juan over the years
This chart shows the average temperature in May in San Juan, measured in degrees Celsius, over the past few years.
Total precipitation in May in San Juan over the years
This chart shows the average precipitation in May in San Juan, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in May for San Juan
Click on any day in May to get detailed info about the usual 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 May in San Juan
Have you been to San Juan in May?
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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.
