Weather & Climate at Fort Allen Army Base

Juana Diaz, PR

Summary of the weather and climate in Juana Diaz, PR:

The average high is 89°F and the average low is 70.6°F.
The hottest month is August with a high of 91.5°F.
The coldest month is February with a low of 66.5°F.
Annual rainfall is 38.47 inches; the rainiest month is September (6.37 in).

Source: NOAA climate normals.

Temperatures through the year

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Bars span each month's average low to average high (60°F – 100°F scale).

Monthly averages

Month	High (°F)	Low (°F)	Rain (in)	Snow (in)
January	87	67.1	0.91	0
February	86.9	66.5	1.27	0
March	87.1	67.2	1.83	0
April	88	69.3	2.53	0
May	88.8	71.9	4.64	0
June	90.2	73.6	2.33	0
July	91.2	73.5	2.62	0
August	91.5	73.6	4.16	0
September	90.8	72.9	6.37	0
October	89.9	72.4	6.1	0
November	88.9	70.5	4.32	0
December	87.6	68.1	1.39	0