June weather forecast
Mana, French Guiana

June marks the beginning of a new chapter in Mana's annual weather outline. With 88% relative humidity, the city is notably more humid. The rain embraces the city quite frequently, providing a much-needed break from the increasingly scorching sun. Residents and visitors alike must not forget their raincoats when stepping out. With June departing and July approaching, the city finds itself in the crux of the rainy period.

Temperature

The commencement of June in Mana, French Guiana, records an average high-temperature of a still moderately hot 29.5°C (85.1°F), identical to May. Throughout the month of June, Mana witnesses an average temperature of 22.8°C (73°F).

Heat index

The heat index for June is evaluated at a very hot 38°C (100.4°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital 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.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

The most humid month is June, with an average relative humidity of 88%.

Rainfall

In Mana, during June, the rain falls for 25.6 days and regularly aggregates up to 135mm (5.31") of precipitation. In Mana, during the entire year, the rain falls for 253 days and collects up to 878mm (34.57") of precipitation.

Sea temperature

In Mana, in June, the average water temperature is 28.1°C (82.6°F).
Note: For any water activity, surface water temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed perfect and extremely pleasing for enduring enjoyment.

Daylight

June has the longest days of the year in Mana, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 06:20 and sunset at 18:46. On the last day of June, in Mana, French Guiana, sunrise is at 06:25 and sunset at 18:52 -03.

Sunshine

The average sunshine in June in Mana is 7.1h.

UV index

January through June and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in June interprets into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be attentive! The UV exposure is heightened with reflections from sand and water.