June weather forecast
Celestún, Mexico

June, the first month of the summer in Celestún, is still a hot month, with temperature in the range of an average low of 25.7°C (78.3°F) and an average high of 31°C (87.8°F).

Temperature

June notes an average high-temperature of a still hot 31°C (87.8°F), subtly differing from May's 31.3°C (88.3°F). In Celestún, June is marked by an average low-temperature of 25.7°C (78.3°F).

Heat index

June's heat index is appraised at a blisteringly hot 40°C (104°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The average relative humidity in June is 76%.

Rainfall

The month with the most rainfall in Celestún is June, when the rain falls for 17.5 days and typically aggregates up to 103mm (4.06") of precipitation.

Sea temperature

In Celestún, Mexico, in June, the average water temperature is 28.2°C (82.8°F).
Note: Water activities including swimming and diving are pleasurable in temperatures between 25°C (77°F) and 29°C (84.2°F), ensuring comfort and enjoyment for extended time frames.

Daylight

The month with the longest days in Celestún is June, with an average of 13h and 24min of daylight.
On the first day of June, sunrise is at 5:19 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 5:24 am and sunset at 6:46 pm CST.

Sunshine

In Celestún, the average sunshine in June is 10.8h.

UV index

March through October, with an average maximum UV index of 7, are months with the highest UV index in Celestún. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 7 during June translates into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. 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.