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Rio Grande (NJ) Weather and Climate: A Comprehensive Guide

The temperature in Rio Grande can vary greatly throughout the year. The temperatures shift from warm to cold. It also experiences much rain/snowfall throughout the year. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to chilly in Rio Grande. Average daytime temperatures reach a comfortable 30°C in July. In February, the coolest month of the year, temperatures drop to a chilly 6°C.

At night, you can expect cooler temperatures, with averages dropping to around -3°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Rio Grande has a relatively rain/snowy climate with high precipitation levels, averaging 1122 mm of rain/snowfall annually. Rio Grande experiences moderate seasonal variation in rainfall, with monthly averages ranging from 127 mm in December, the wettest month, and 71 mm in May, the driest month.

The mean monthly precipitation over the year, including rain, hail and snow

Average water temperature

The mean water temperature over the year ranges from 4°C in February to 24°C in August.

Water temperature over the year

Data from: Cape May, the United States of America (9 KM, 5 Miles).

Forecast for Rio Grande (NJ)

Sun   Dec 22
-2°C | -8°C
N 5 m/s
clear and no rain

clear and no rain

Mon   Dec 23
1°C | -9°C
SW 2 m/s
almost clear and no rain

almost clear and no rain

Tue   Dec 24
5°C | 0°C
W 4 m/s
0.3 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

The best time of year to visit Rio Grande in the United States of America

During the months of May and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is summer in Rio Grande?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Rio Grande?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Rio Grande?
    The coldest month is February with an average maximum temperature of 6°C.
  • Which is the wettest month in Rio Grande?
    December tops the wettest month list with 127 mm of rainfall.
  • Which is the driest month in Rio Grande?
    May is the driest month with 71 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.