Planning a trip to San Juan in March? You are in luck! The weather is generally good, with an average maximum temperature of +82°F and approximately 3 sunny days. Just be prepared for some rain, as there are usually around 21 rainy days and 49 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Good to know:
March is usually the driest month of the year in San Juan
Average weather
☀️
+82°F
Avg. max. temperature
+68°F
Min.
+91°F
Max.
49 mm
Total precipitation
73%
Avg. humidity
3 m/s
Avg. wind
3 ☀️
Sunny Days
7 ⛅️
Cloudy
21 🌦
Rainy
Our opinion: San Juan has good weather in March.
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Average temperature in San Juan in March
Here are the expected maximum, average and minimum temperatures in San Juan for March based on the historical data.
Last Year
Historical Data
Going from a maximum of +88°F during the day to a minimum of +68°F during the night, the temperature in March averages around +82°F.
The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +82°F to +84°F.
Is San Juan warm or cold in March?
San Juan is typically warm in March.
Maximum temperatures go up compared to the previous month from +82°F to +82°F. The minimum temperature also goes up from +72°F to +73°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
March is one of the coolest months in San Juan, here is the comparison with other months:
Water temperature in San Juan in March
Water in San Juan in March is Warm. It varies from +78°F to +80°F, with an average of +79°F.This is almost similar to the air temperature, which averages +82°F.
The water temperature in March is one of the coldest of the entire year:
The warmest water temperatures in San Juan are reached in September, when the average sea temperature rises to +85°F. The coldest water temperatures are in February, with an average of +79°F.
Can you swim in San Juan in March?
You can absolutely swim in San Juan in March, the water is warm (+79°F in average), similar to heated pools. Suitable for most people, including children and the elderly.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Bring your swimming suit, sunscreen and your favorite inflatable pink flamingo.
Climate in San Juan in March
San Juan weather looks like this, on average, in March and the surrounding months.
February
March
April
Avg. temperature
+82°F
+82°F
+84°F
Min. temperature
+66°F
+68°F
+70°F
Max. temperature
+90°F
+91°F
+91°F
Rainfall
38 mm
49 mm
94 mm
Wind
3 m/s
3 m/s
3 m/s
Avg. water temperature
+79°F
+79°F
+80°F
Humidity
75%
73%
74%
Air pressure
1016 HPa
1015 HPa
1015 HPa
Sunny days
2
3
2
Cloudy days
7
7
5
Rainy days
19
21
23
Snowy days
0
0
0
March weather is still as good as in February.The temperature levels stay the same in the area of +82°F for average maximum temperature during the day.Prepare for more rain. Average rainfall goes from 38 mm to 49 mm.It feels drier, as humidity decreases from 75% to 73%.The average wind speed doesn’t change much during March, staying around 3 m/s.The good news is there are likely to be more sunny days in March, from 2 to 3.
April brings much the same weather, it remains good.
Wind speed in San Juan in March based on historical data.
Last Year
Historical Data
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 March, going from 3 m/s to 5 m/s over the course of the month.
Rain
Amount of rainfall in mm during March in San Juan based on historical data.
Last Year
Historical Data
Typically, there is a 32% chance of rain on an average day in March, with total rainfall of approximately 28 mm. The maximum amount of rainfall per day is around 7 mm, which is considered light rain.March is a pretty wet month with over 10 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how March is compared with other months in the amount of precipitation, total mm:
San Juan wettest month is October, where a typical day has a 68% chance of precipitation and 151 mm of rainfall per day. January, on the other hand, is the driest month with a mere 68% chance of precipitation and 38 mm of rainfall per day.
How was the weather last March in San Juan?
This is the weather in San Juan in March 2023:
1 March
☁️
+82°F
2 March
☁️
+81°F
3 March
☁️
+82°F
4 March
☁️
+83°F
5 March
☀️
+81°F
6 March
☁️
+83°F
7 March
☁️
+84°F
8 March
☀️
+83°F
9 March
☁️
+82°F
10 March
☁️
+81°F
11 March
☁️
+82°F
12 March
☁️
+84°F
13 March
☀️
+85°F
14 March
☁️
+83°F
15 March
🌧️
+81°F
16 March
☀️
+85°F
17 March
☁️
+79°F
18 March
☁️
+80°F
19 March
☁️
+83°F
20 March
☁️
+86°F
21 March
☁️
+84°F
22 March
☁️
+83°F
23 March
☁️
+82°F
24 March
☁️
+83°F
25 March
☁️
+83°F
26 March
☁️
+84°F
27 March
☁️
+82°F
28 March
☁️
+83°F
29 March
☁️
+82°F
30 March
☁️
+88°F
31 March
☁️
+83°F
In March 2023 San Juan had 4 sunny days, 26 cloudy days, and 1 rainy days. The average maximum temperature was +82°F, with an absolute maximum of +88°F and a minimum of +79°F. The average humidity was 76%, with a maximum of 97% and a minimum of 56%. The average wind speed was 4 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in March?
Climate Change Over the Years
This is how San Juan climate has changed over the last 43 years.
The climate in San Juan in March 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
Frequently asked questions about the weather in San Juan in March:
Is March a good time to visit San Juan?
March is a really good time to go to San Juan. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit San Juan.
Can you sunbathe in San Juan in March?
March is warm in San Juan. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Can you swim in San Juan in March?
Yes, you can swim in San Juan in March, the water temperature averaging at +79°F. This temperature is considered warm and comfortable for most swimmers.
Is San Juan rainy in March?
San Juan is usually dry in March. Plan your packing around outdoor activities and exploring.
Is it sunny in San Juan in March?
Usually, it’s not very sunny in San Juan in March, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
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.
