June weather forecast
Fortuné, French Guiana

June, the first month of the summer in Fortuné, is still a warm month, with an average temperature varying between 28.8°C (83.8°F) and 23.8°C (74.8°F).

Temperature

June's commencement is accompanied by an average high-temperature of a still warm 28.8°C (83.8°F), diverging marginally from May's 28.6°C (83.5°F). During the nights of June, Fortuné records an average temperature of 23.8°C (74.8°F), a minor drop from daytime peaks.

Heat index

The heat index value for June is calculated to be a fiery hot 35°C (95°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The average relative humidity in June is 84%.

Rainfall

In June, in Fortuné, the rain falls for 28.2 days. Throughout June, 234mm (9.21") of precipitation is accumulated. Throughout the year, in Fortuné, there are 277 rainfall days, and 1707mm (67.2") of precipitation is accumulated.

Daylight

With an average of 12h and 24min of daylight, June has the longest days of the year in Fortuné, French Guiana.
On the first day of the month, sunrise is at 06:16 and sunset at 18:38. On the last day of June, sunrise is at 06:21 and sunset at 18:44 -03.

Sunshine

In Fortuné, the average sunshine in June is 7.5h.

UV index

June through November, with an average maximum UV index of 7, are months with the highest UV index in Fortuné. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: During June, 7 as the daily maximum UV index converts into the following advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.