May weather forecastCopainalá, Mexico
May
Weather in May
The last month of the spring, May, is another hot month in Copainalá, Mexico, with an average temperature ranging between min 20°C (68°F) and max 31.4°C (88.5°F).Temperature
May's weather records an average high-temperature of a still tropical 31.4°C (88.5°F), showing little deviation from April. The nighttime temperature dips to a pleasant 20°C (68°F) on average during May.Heat index
During May, the heat index is calculated to be a torrid 38°C (100.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.In reference to the heat index, it's for places in shade and with a slight wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives a temperature feeling by integrating air temperature and humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
In Copainalá, the average relative humidity in May is 69%.Rainfall
In Copainalá, in May, it is raining for 21.9 days, with typically 86mm (3.39") of accumulated precipitation. Throughout the year, in Copainalá, there are 233.9 rainfall days, and 1153mm (45.39") of precipitation is accumulated.Daylight
In May, the average length of the day is 12h and 56min.On the first day of May in Copainalá, sunrise is at 5:46 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 6:43 pm CST.
Sunshine
May has the most sunshine of the year in Copainalá, with an average of 11.1h of sunshine.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In May, an average UV index of 6 transforms into the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Copainalá, Mexico
- Average high temperature in May: 31.4°C
The warmest month (with the highest average high temperature) is April (32°C).
The month with the lowest average high temperature is January (24.9°C).
- Average low temperature in May: 20°C
The month with the highest average low temperature is May (20°C).
The coldest month (with the lowest average low temperature) is January (14.4°C).
Average pressure in May
Copainalá, Mexico
- Average pressure in May: 1011.6mbar
The month with the highest atmospheric pressure is January (1016.2mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).
Average wind speed in May
Copainalá, Mexico
- Average wind speed in May: 4.7km/h
The windiest month (with the highest average wind speed) is January (6.2km/h).
The calmest month (with the lowest average wind speed) is June (3.8km/h).
Average humidity in May
Copainalá, Mexico
- Average humidity in May: 69%
The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is April (63%).
Average rainfall in May
Copainalá, Mexico
- Average rainfall in May: 86mm
The wettest month (with the highest rainfall) is August (226mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in May
Copainalá, Mexico
- Average rainfall days in May: 21.9 days
The month with the highest number of rainy days is August (28.5 days).
The month with the least rainy days is February (10.4 days).
Average daylight in May /
Average sunshine in May
Copainalá, Mexico
- Average daylight in May: 12h and 54min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- 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 October (Average sunshine: 6h and 30min).
Average sunshine days in May
Copainalá, Mexico
- Average sunshine days in May: 6 days
The month with the most sunshine days is December (15.8 days).
The month with the least sunshine days is August (1.3 days).
Average UV index in May
Copainalá, Mexico
- Average UV index in May: 6
The month with the highest UV index is April (UV index 7).
The months with the lowest UV index are January, August, October and December (UV index 5).
Average cloud cover in May
Copainalá, Mexico
- Average cloud cover in May: 32
The month with the most cloud cover is September (Cloud cover 56).
The month with the least cloud cover is April (Cloud cover 22).
Average visibility in May
Copainalá, Mexico
- Average visibility in May: 9km
The months with the highest visibility are March and April (10km).
The month with the lowest visibility is October (6km).





