Temperatures in March
It's hot in March in San Juan with an average temperature of 31°C. Temperatures this month range from a low of 28°C to a high of 33°C. At night, you can expect temperatures between 19°C and 22°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for San Juan in March. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of March
The month of March starts in San Juan with hot temperatures, averaging around 32°C during the day and nights close to 22°C. Plenty of days with a chance of precipitation.
Mid-March
By mid-March, the average daytime temperature drops to around 31°C, with nights close to 22°C. The chance of precipitation is high during this period.
End of March
By the end of March, the average daytime temperature in San Juan will be around 30°C, with nights close to 20°C. There’s a significant chance of many days with precipitation.
As it gets cooler in the evening, it’s best to wear layers.
Precipitation in March
In March, there is an average of 229 mm of precipitation, spread over 9 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The average precipitation chance is 29% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in March 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 March |
London | ||
|---|---|---|---|
 Average Temperature |
31°C | 11°C | |
 High Temp |
33°C | 14°C | |
| Low Temp |
28°C | 8°C | |
 Total Precipitation |
229 mm | 55 mm | |
| Rainy Days |
9 days | 9 days | |
February
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 March a good time to visit San Juan?
After some sun? Then March 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 March
With 39°C, San Juan hit the highest temperature in the last 10 years in March 2020. The lowest daytime temperature in this month was 20°C in 2016. The extreme night temperatures ranged from a low of 10°C to a high of 27°C.
Check out the climate of San Juan for all months and discover the best travel time
Daily Temperature in March in San Juan
This chart shows the average daily temperatures, both day and night, for each day in March 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 March in San Juan
The chart below shows the average daily precipitation in March 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 March, you can expect around 9 days of rain in San Juan.
Daily UV Index in March in San Juan
This chart shows the average daily UV index in March 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 March in San Juan Over the Years
This chart shows the average temperature in March in San Juan, measured in degrees Celsius, over the past years.
Total Precipitation in March in San Juan Over the Years
This chart shows the average precipitation in March 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 March for San Juan
Click on a specific day in March 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 March in San Juan
Have you been to San Juan in March?
Share your weather experience in March 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.
