San Juan weather in March

Weather in San Juan: March


	Average day temperature:	82.8°F
	Average night temperature:	70.4°F

	Number of sunny days:	22 days
	Day length:	11.8 - 12.7 hours

	Number of rainy days:	1 day
	Precipitation totals:	0.4 in.

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14 days
forecast

San Juan

weather in
April

San Juan

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2025

2024

2023

105

120

Day temperature

Night temperature

The highest day temperature during March of 2025 was 92°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during March were 78.8°F and 66.5°F.

	Sunny days
	Partly cloudy days
	Cloudy days

71%

23%

Mostly all days in March are sunny but cloudy days are also possible.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

0.1

0.2

0.3

0.4

0.5

Precipitation total value in San Juan in March is 0.4 in. Other months of the year show relatively similar values.

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.7

3.4

5.2

6.9

8.6

10.3

12.1

10.0

9.6

9.2

8.7

7.1

6.2

5.8

6.1

6.9

8.8

9.1

10.0

9.6

9.2

8.7

7.1

6.2

5.8

6.1

6.9

8.3

8.8

9.1

The average wind speed value in March is 8.3 mph

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

2.0

3.9

5.9

7.8

9.8

11.8

13.7

11.4

10.9

10.6

9.5

9.4

8.8

9.7

9.8

10.4

11.4

10.9

10.6

9.5

9.4

8.8

9.7

9.4

9.8

10.4

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 9.4.