May weather forecastPiedras Negras, Mexico
May
Weather in May
The last month of the spring, May, is another tropical month in Piedras Negras, Mexico, with an average temperature ranging between min 21.7°C (71.1°F) and max 33°C (91.4°F).Temperature
Piedras Negras signifies an average high-temperature of a still hot 33°C (91.4°F) in May, closely mirroring the 30.1°C (86.2°F) of April. Piedras Negras observes an average nighttime low-temperature of 21.7°C (71.1°F) during the month of May.Heat index
The average heat index in May is appraised at a torrid 39°C (102.2°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
The average relative humidity in May is 58%.Rainfall
The month with the most rainfall in Piedras Negras, Mexico, is May, when the rain falls for 11.8 days and typically aggregates up to 75mm (2.95") of precipitation.Snowfall
In Piedras Negras, Mexico, snow does not fall in January through November.Daylight
In Piedras Negras, the average length of the day in May is 13h and 35min.On the first day of May in Piedras Negras, sunrise is at 6:00 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 7:35 pm CST.
Sunshine
In Piedras Negras, the average sunshine in May is 9.3h.UV index
In Piedras Negras, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 7 in May translates into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Piedras Negras, Mexico
- Average high temperature in May: 33°C
The warmest month (with the highest average high temperature) is August (37.2°C).
The month with the lowest average high temperature is January (18.3°C).
- Average low temperature in May: 21.7°C
The month with the highest average low temperature is August (26.3°C).
The coldest month (with the lowest average low temperature) is January (8.3°C).
Average pressure in May
Piedras Negras, Mexico
- Average pressure in May: 1011.6mbar
The month with the highest atmospheric pressure is January (1020.7mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).
Average wind speed in May
Piedras Negras, Mexico
- Average wind speed in May: 18.6km/h
The windiest month (with the highest average wind speed) is June (18.8km/h).
The calmest month (with the lowest average wind speed) is December (12.4km/h).
Average humidity in May
Piedras Negras, Mexico
- Average humidity in May: 58%
The month with the highest relative humidity is November (60%).
The month with the lowest relative humidity is August (47%).
Average rainfall in May
Piedras Negras, Mexico
- Average rainfall in May: 75mm
The wettest month (with the highest rainfall) is May (75mm).
The driest months (with the least rainfall) are January and February (8mm).
Average rainfall days in May
Piedras Negras, Mexico
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is September (13.8 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in May
Piedras Negras, Mexico
- Average snowfall in May: 0mm
The month with the highest snowfall is December (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Piedras Negras, Mexico
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January, February and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Piedras Negras, Mexico
- Average daylight in May: 13h and 36min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).
Average sunshine days in May
Piedras Negras, Mexico
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is January (25.6 days).
The month with the least sunshine days is September (14.7 days).
Average UV index in May
Piedras Negras, Mexico
- Average UV index in May: 7
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in May
Piedras Negras, Mexico
- Average cloud cover in May: 32
The month with the most cloud cover is May (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in May
Piedras Negras, Mexico
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
