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San Juan weather in April

Weather in San Juan: April

Average day temperature: 73.5°F
Average night temperature: 60.9°F
Number of sunny days: 26 days
Day length: 10.9 - 11.7 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 in.

Air temperature in April, °F

Show year:
2026
2025
2024

The highest day temperature during April of 2026 was 83°F. At the same time the lowest night temperature was 45°F. Daily and nightly averages during April were 71.6°F and 60.6°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in April, in.

Precipitation total value in San Juan in April is 0.1 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 7.3 mph It makes April one of the least windy months of the year.

Average sunny hours

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 April is: 9.6.

Best time for vacation in San Juan

Sunniest months:
July 28 days
August 27 days
September 27 days
Warmest months:
January 89.2 °F
December 87.7 °F
February 86.7 °F
Coldest months:
July 58.8 °F
June 59.5 °F
August 63.4 °F
Rainiest months:
October 1 day
March 1 day
August 0 days
Windiest months:
December 10.1 mph
November 9.8 mph
October 9.5 mph

San Juan on a weather map

San Juan
+54°F
N 16 mph
Feels like: +48°F
Precip.: 16%
24 Hours Forecast
San Juan
Local time: 08:16
August 06, thursday
0900
54°F
N
16 mph
1200
57°F
N
24 mph
1500
61°F
N
17 mph
1800
59°F
N
17 mph
2100
54°F
N
10 mph
August 07, friday
0000
50°F
N
6 mph
0300
46°F
N
4 mph
0600
45°F
NW
2 mph
Units of measurement: °C / °F