May weather forecastRío Grande, Mexico
May
Weather in May
May, the last month of the spring in Río Grande, is another warm month, with an average temperature ranging between max 26.3°C (79.3°F) and min 12.1°C (53.8°F).Temperature
Río Grande's warmest month, May, registers temperatures that range from a high of 26.3°C (79.3°F) to a low of 12.1°C (53.8°F).Humidity
In May, the average relative humidity in Río Grande is 35%.Rainfall
In Río Grande, during May, the rain falls for 8.2 days and regularly aggregates up to 19mm (0.75") of precipitation. Throughout the year, there are 119.9 rainfall days, and 489mm (19.25") of precipitation is accumulated.Snowfall
In Río Grande, snow does not fall in January, February, April through December.Daylight
In May, the average length of the day is 13h and 18min.On the first day of May in Río Grande, sunrise is at 6:17 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 7:35 pm CST.
Sunshine
February, May, June and November, with an average of 9.6h of sunshine, are months with the most sunshine in Río Grande.UV index
May is the month with the highest UV index, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 6 in May transforms into the following instructions:
Deflect overexposure. Sun protection is a necessity. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Río Grande, Mexico
- Average high temperature in May: 26.3°C
The warmest month (with the highest average high temperature) is May (26.3°C).
The month with the lowest average high temperature is January (17.7°C).
- Average low temperature in May: 12.1°C
The month with the highest average low temperature is June (14.5°C).
The coldest month (with the lowest average low temperature) is January (4.2°C).
Average pressure in May
Río Grande, Mexico
- Average pressure in May: 1013.2mbar
The month with the highest atmospheric pressure is January (1018.1mbar).
The month with the lowest atmospheric pressure is June (1013.1mbar).
Average wind speed in May
Río Grande, Mexico
- Average wind speed in May: 11.8km/h
The windiest month (with the highest average wind speed) is April (14.3km/h).
The calmest month (with the lowest average wind speed) is October (9.1km/h).
Average humidity in May
Río Grande, Mexico
- Average humidity in May: 35%
The month with the highest relative humidity is September (72%).
The month with the lowest relative humidity is April (30%).
Average rainfall in May
Río Grande, Mexico
- Average rainfall in May: 19mm
The wettest month (with the highest rainfall) is September (109mm).
The driest month (with the least rainfall) is March (6mm).
Average rainfall days in May
Río Grande, Mexico
- Average rainfall days in May: 8.2 days
The month with the highest number of rainy days is September (21.5 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in May
Río Grande, Mexico
- Average snowfall in May: 0mm
The month with the highest snowfall is March (2mm).
The months with the least snowfall are January, February, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Río Grande, Mexico
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is March (0.2 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Río Grande, Mexico
- Average daylight in May: 13h and 18min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).
- Average sunshine in May: 9h and 36min
The months with the most sunshine are February, May, June and November (Average sunshine: 9h and 36min).
The month with the least sunshine is September (Average sunshine: 9h and 0min).
Average sunshine days in May
Río Grande, Mexico
- Average sunshine days in May: 20.5 days
The months with the most sunshine days are March and December (26.2 days).
The month with the least sunshine days is September (4.5 days).
Average UV index in May
Río Grande, Mexico
- Average UV index in May: 6
The month with the highest UV index is May (UV index 6).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in May
Río Grande, Mexico
- Average cloud cover in May: 14
The month with the most cloud cover is September (Cloud cover 33).
The months with the least cloud cover are March and April (Cloud cover 13).
Average visibility in May
Río Grande, Mexico
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, August, November and December (10km).
The months with the lowest visibility are July, September and October (9km).





