June weather forecast
Joanna, Guyana

The first month of the summer, June, is also a moderately hot month in Joanna, Guyana, with temperature in the range of an average high of 28.8°C (83.8°F) and an average low of 25.1°C (77.2°F).

Temperature

Welcoming June, Joanna notes an average high-temperature of a still warm 28.8°C (83.8°F), nearly consistent with May's 28.8°C (83.8°F). Night temperatures in June exhibit a subtle decrease, settling at an average of 25.1°C (77.2°F).

Heat index

The average heat index in June is computed to be a sweltering 35°C (95°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Take into consideration that the heat index values are calculated for shade 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 'apparent temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. 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 essentially critical for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

June is the most humid month, with an average relative humidity of 82%.

Rainfall

June is the month with the most rainfall. Rain falls for 28.8 days and accumulates 314mm (12.36") of precipitation.

Daylight

The month with the longest days is June, with an average of 12h and 30min of daylight.
On the first day of June, sunrise is at 05:33 and sunset at 18:00. On the last day of the month, sunrise is at 05:38 and sunset at 18:07 -04.

Sunshine

In June, the average sunshine is 7.9h.

UV index

January, February, April, June through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 7 during June translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.