May weather forecastOpichén, Mexico
May
Weather in May
May, the last month of the spring in Opichén, is also a fiery hot month, with temperature in the range of an average low of 24°C (75.2°F) and an average high of 35.4°C (95.7°F).Temperature
In Opichén, May is the warmest month, with temperatures averaging a high of 35.4°C (95.7°F) and a low of 24°C (75.2°F).Heat index
In May, the heat index is appraised at a life-threatening hot 48°C (118.4°F). Attention: Heat exhaustion and heat cramps are anticipated. Prolonged effort can result in heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. 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.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.
Humidity
The months with the lowest humidity in Opichén are April and May, with an average relative humidity of 63%.Rainfall
In Opichén, during May, the rain falls for 12.5 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 167.3 rainfall days, and 536mm (21.1") of precipitation is accumulated.Daylight
In Opichén, the average length of the day in May is 13h and 7min.On the first day of May, sunrise is at 5:28 am and sunset at 6:23 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 6:36 pm CST.
Sunshine
With an average of 11.1h of sunshine, May has the most sunshine of the year.UV index
The months with the highest UV index are February through October, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 7 suggests these recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Opichén, Mexico
- Average high temperature in May: 35.4°C
The warmest month (with the highest average high temperature) is May (35.4°C).
The month with the lowest average high temperature is January (28.1°C).
- Average low temperature in May: 24°C
The month with the highest average low temperature is June (24.3°C).
The coldest month (with the lowest average low temperature) is January (18.6°C).
Average pressure in May
Opichén, Mexico
- Average pressure in May: 1012.3mbar
The month with the highest atmospheric pressure is January (1017.6mbar).
The month with the lowest atmospheric pressure is September (1011.9mbar).
Average wind speed in May
Opichén, Mexico
- Average wind speed in May: 15.2km/h
The windiest month (with the highest average wind speed) is March (16.1km/h).
The calmest month (with the lowest average wind speed) is September (10.6km/h).
Average humidity in May
Opichén, Mexico
- Average humidity in May: 63%
The months with the highest relative humidity are September and October (78%).
The months with the lowest relative humidity are April and May (63%).
Average rainfall in May
Opichén, Mexico
- Average rainfall in May: 43mm
The wettest month (with the highest rainfall) is June (99mm).
The driest months (with the least rainfall) are February and March (12mm).
Average rainfall days in May
Opichén, Mexico
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is September (20.4 days).
The months with the least rainy days are February and March (7.2 days).
Average daylight in May /
Average sunshine in May
Opichén, Mexico
- Average daylight in May: 13h and 6min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in May: 11h and 6min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in May
Opichén, Mexico
- Average sunshine days in May: 15.2 days
The month with the most sunshine days is March (21.8 days).
The month with the least sunshine days is October (8.5 days).
Average UV index in May
Opichén, Mexico
- Average UV index in May: 7
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, November and December (UV index 6).
Average cloud cover in May
Opichén, Mexico
- Average cloud cover in May: 26
The month with the most cloud cover is January (Cloud cover 36).
The months with the least cloud cover are March and April (Cloud cover 25).
Average visibility in May
Opichén, Mexico
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May and June (10km).
The month with the lowest visibility is September (8km).





