Search Menu

The weather in May in Río Grande

It's hot in May in Río Grande with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 22°C and 23°C.

Looking for sun? May isn’t a good month to be in Río Grande. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Río Grande, El Salvador. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 37°C in 2023, Río Grande reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 25°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 26°C.

Rainfall amount

In May, there is an average of 196 mm of precipitation, spread over 21 days. The wind speed is around 3 Bft, mostly coming from the Southeast.

Daily weather in May for Río Grande

Click on any day in May to get detailed info about the usual weather on that day in Río Grande. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Río Grande New York
Average temperature 31°C 22°C
Max. temperature 32°C 28°C
Min. temperature 22°C -5°C
Total precipitation 196 mm 105 mm
Rainy days 21 days 14 days

Start of May

The month of May starts in Río Grande with hot temps, averaging around 32°C during the day and nights around 23°C.

Mid May

By mid-May, daytime temps stay steady at around 32°C, with nights around 23°C. There’s a high chance of precipitation during this time.

End of May

By the end of May, the average daytime temperature in Río Grande is around 31°C, while nighttime temps are about 23°C. There’s a significant chance of many days with precipitation.

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

The hurricane season in Río Grande runs from June to November.

Check out the climate of Río Grande for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in May in Río Grande, El Salvador. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Río Grande

Temperature in May in Río Grande over the years

Precipitation charts

These charts show the average amount of precipitation in May in Río Grande, El Salvador. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in May in Río Grande

Total precipitation in May in Río Grande over the years

Daily UV index in May in Río Grande

This chart shows the average daily UV index in May in Río Grande, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in May in Río Grande

Have you been to Río Grande in May?

Share your weather experience in May in Río Grande.

Your email will not be shown in the review and will not be shared with others.

Average weather in Río Grande by month

Click on a month below to see detailed weather info for Río Grande. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.