July weather forecastCelestún, Mexico
July
Weather in July
July, the same as June, in Celestún, Mexico, is another hot summer month, with an average temperature ranging between max 31.2°C (88.2°F) and min 25.5°C (77.9°F).Temperature
July notes an average high-temperature of a still hot 31.2°C (88.2°F), subtly differing from June's 31°C (87.8°F). The average temperature during July nights is registered at a warm 25.5°C (77.9°F).Heat index
During July, the heat index is calculated to be a blistering 40°C (104°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
In Celestún, the average relative humidity in July is 75%.Rainfall
In Celestún, in July, during 15.9 rainfall days, 40mm (1.57") of precipitation is typically accumulated. Throughout the year, there are 154.1 rainfall days, and 532mm (20.94") of precipitation is accumulated.Sea temperature
In Celestún, in July, the average water temperature is 28.3°C (82.9°F).Note: Surface water temperatures between 25°C (77°F) and 29°C (84.2°F) offer outstanding conditions for any water activity, providing extreme pleasure for extended periods.
Daylight
The average length of the day in July is 13h and 16min.On the first day of July, sunrise is at 5:24 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 6:40 pm CST.
Sunshine
The month with the most sunshine is July, with an average of 11.7h of sunshine.UV index
March through October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 7 in July leads to these recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Alert! UV radiation becomes sharper due to reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Celestún, Mexico
- Average high temperature in July: 31.2°C
The warmest month (with the highest average high temperature) is August (31.4°C).
The month with the lowest average high temperature is January (25.8°C).
- Average low temperature in July: 25.5°C
The month with the highest average low temperature is June (25.7°C).
The coldest month (with the lowest average low temperature) is January (20.7°C).
Average pressure in July
Celestún, Mexico
- Average pressure in July: 1014.1mbar
The month with the highest atmospheric pressure is January (1017.5mbar).
The month with the lowest atmospheric pressure is September (1011.8mbar).
Average wind speed in July
Celestún, Mexico
- Average wind speed in July: 17.8km/h
The windiest month (with the highest average wind speed) is March (20.9km/h).
The calmest month (with the lowest average wind speed) is September (15.9km/h).
Average humidity in July
Celestún, Mexico
- Average humidity in July: 75%
The month with the highest relative humidity is September (78%).
The months with the lowest relative humidity are March and April (71%).
Average rainfall in July
Celestún, Mexico
- Average rainfall in July: 40mm
The wettest month (with the highest rainfall) is June (103mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in July
Celestún, Mexico
- Average rainfall days in July: 15.9 days
The month with the highest number of rainy days is September (22.7 days).
The month with the least rainy days is February (4.8 days).
Average sea temperature in July
Celestún, Mexico
- Average sea temperature in July: 28.3°C
The best month for swimming (with the highest average sea temperature) is September (29.3°C).
The coldest month (with the lowest average sea temperature) is January (23.5°C).
Average daylight in July /
Average sunshine in July
Celestún, Mexico
- Average daylight in July: 13h and 18min
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 July: 11h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in July
Celestún, Mexico
- Average sunshine days in July: 10.3 days
The month with the most sunshine days is March (24.8 days).
The month with the least sunshine days is September (4.7 days).
Average UV index in July
Celestún, Mexico
- Average UV index in July: 7
The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in July
Celestún, Mexico
- Average cloud cover in July: 19
The month with the most cloud cover is January (Cloud cover 30).
The months with the least cloud cover are April and July (Cloud cover 19).
Average visibility in July
Celestún, Mexico
- Average visibility in July: 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).





