May weather forecastValle de Chalco, Mexico
May
Weather in May
Intensifying the trends from April, May marks a significant escalation in both temperatures and rainfall. A significant feature about May's weather is the sizable leap in rainfall to an average of 89mm (3.5"). This increment also brings about a rise in humidity, setting the stage for the onset of the wetter months ahead. Concurrently, daylight hours reach their almost peak span, lighting up Valle de Chalco for an extended period. Furthermore, this month experiences a slight slackening of the wind speeds, further enhancing the overall warm feel.Temperature
The advent of May in Valle de Chalco presents an average high-temperature of a still warm 25.2°C (77.4°F), maintaining a close correlation with the preceding month. Throughout the month of May, Valle de Chalco observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 13°C (55.4°F).Humidity
The average relative humidity in May in Valle de Chalco is 52%.Rainfall
In Valle de Chalco, Mexico, in May, it is raining for 19.2 days, with typically 89mm (3.5") of accumulated precipitation. Throughout the year, in Valle de Chalco, there are 195.2 rainfall days, and 1088mm (42.83") of precipitation is accumulated.Daylight
In Valle de Chalco, the average length of the day in May is 13h and 3min.On the first day of the month, sunrise is at 6:06 am and sunset at 6:58 pm. On the last day of May, in Valle de Chalco, sunrise is at 5:57 am and sunset at 7:10 pm CST.
Sunshine
The average sunshine in May is 10.5h.UV index
The months with the highest UV index in Valle de Chalco are February through July, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In May, an average UV index of 5 transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Valle de Chalco, Mexico
- Average high temperature in May: 25.2°C
The warmest month (with the highest average high temperature) is April (25.3°C).
The month with the lowest average high temperature is January (19.3°C).
- Average low temperature in May: 13°C
The month with the highest average low temperature is May (13°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).
Average pressure in May
Valle de Chalco, Mexico
- Average pressure in May: 1014.2mbar
The month with the highest atmospheric pressure is January (1018.4mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed in May
Valle de Chalco, Mexico
- Average wind speed in May: 5.5km/h
The windiest months (with the highest average wind speed) are March and April (6.8km/h).
The calmest month (with the lowest average wind speed) is July (4.8km/h).
Average humidity in May
Valle de Chalco, Mexico
- Average humidity in May: 52%
The month with the highest relative humidity is September (80%).
The month with the lowest relative humidity is April (43%).
Average rainfall in May
Valle de Chalco, Mexico
- Average rainfall in May: 89mm
The wettest month (with the highest rainfall) is July (230mm).
The driest month (with the least rainfall) is December (5mm).
Average rainfall days in May
Valle de Chalco, Mexico
- Average rainfall days in May: 19.2 days
The months with the highest number of rainy days are July and August (29.7 days).
The month with the least rainy days is December (4.3 days).
Average daylight in May /
Average sunshine in May
Valle de Chalco, Mexico
- Average daylight in May: 13h and 6min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in May: 10h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in May
Valle de Chalco, Mexico
- Average sunshine days in May: 6.5 days
The month with the most sunshine days is December (24.9 days).
The months with the least sunshine days are July and August (0.5 days).
Average UV index in May
Valle de Chalco, Mexico
- Average UV index in May: 5
The months with the highest UV index are February, March, April, May, June and July (UV index 5).
The months with the lowest UV index are January, August, September, October, November and December (UV index 4).
Average cloud cover in May
Valle de Chalco, Mexico
- Average cloud cover in May: 18
The months with the most cloud cover are July and September (Cloud cover 37).
The months with the least cloud cover are February and December (Cloud cover 10).
Average visibility in May
Valle de Chalco, Mexico
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are July, August and September (8km).





