As of 18:21 AST

Río Grande, PR weather in May

87°

Río Grande, Saturday, 8 August, 18:21

Clear. Feels like 96°. High 91°, low 78°.

Pressure30.00 inHg

Wind11.9 mph E

Humidity69%

Visibility6.2 mi

Dew point76°

See detailed hourly forecast

In May, Río Grande, PR averages a high of 84° and a low of 74.6°. About 5.7 inches of precipitation fall over the month (23 wet days). The record high is 90° (2024) and the record low 66.9° (1986). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	83.3°	73.6°	63%	89.1° (1995)	67.5° (1974)
2	83.5°	73.8°	75%	88.9° (1995)	68.2° (1974)
3	83.7°	73.8°	68%	88.7° (1995)	70.3° (1975)
4	83.5°	73.9°	62%	87.8° (2013)	69.4° (1974)
5	83.8°	74.1°	68%	89.6° (1980)	70° (1962)
6	83.5°	74.1°	77%	89.4° (1969)	69.8° (1962)
7	83.5°	74.1°	67%	89.4° (1980)	71.1° (1986)
8	83.5°	73.9°	77%	89.4° (1980)	71.6° (1975)
9	83.5°	74.1°	83%	89.4° (1980)	70.9° (2014)
10	83.7°	74.3°	73%	89.4° (1998)	70° (1963)
11	83.5°	74.1°	78%	89.1° (1998)	66.9° (1986)
12	83.7°	74.1°	78%	90° (2024)	69.1° (2017)
13	83.7°	74.5°	83%	88° (2008)	71.2° (1965)
14	83.7°	74.7°	65%	89.2° (2008)	71.6° (1963)
15	83.8°	74.7°	67%	89.1° (2008)	71.8° (1970)
16	84°	74.5°	73%	87.3° (2001)	70.3° (1962)
17	84.2°	74.8°	73%	88.2° (2023)	71.4° (2025)
18	84.4°	74.8°	72%	87.8° (2006)	71.8° (1971)
19	84.4°	74.8°	72%	87.8° (1971)	71.6° (1971)
20	84.4°	74.8°	73%	88.2° (1971)	71.2° (1971)
21	84.2°	75°	63%	88.9° (2005)	71.8° (1979)
22	84.4°	75°	70%	88.2° (2024)	71.8° (1979)
23	84°	75.2°	77%	88.5° (1990)	72.3° (1992)
24	84.6°	75.2°	70%	88.2° (2020)	72.5° (1971)
25	84.7°	75.2°	63%	88.5° (1996)	72.3° (1964)
26	84.7°	75.2°	78%	89.8° (2023)	72.1° (1963)
27	84.4°	75.4°	77%	88.3° (2020)	72.7° (1989)
28	84.6°	75.2°	77%	88.7° (1973)	73° (1962)
29	84.6°	75.6°	75%	88° (2007)	72.9° (1982)
30	84.6°	75.4°	82%	88.2° (1973)	71.2° (1989)
31	84.6°	75.4°	78%	88.9° (2024)	72.5° (1989)