June weather forecastSimon, French Guiana
June
Weather in June
The first month of the summer, June, is still a warm month in Simon, French Guiana, with an average temperature fluctuating between 28.8°C (83.8°F) and 23.8°C (74.8°F).Temperature
The commencement of June records an average high-temperature of a still warm 28.8°C (83.8°F), barely varying from May's 28.6°C (83.5°F). Simon's nocturnal June readings average at a still warm 23.8°C (74.8°F), showing little variation from the daytime temperatures.Heat index
June's mean heat index is computed to be a fiery hot 35°C (95°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
In June, the average relative humidity in Simon is 84%.Rainfall
In Simon, in June, during 28.2 rainfall days, 234mm (9.21") of precipitation is typically accumulated. In Simon, during the entire year, the rain falls for 277 days and collects up to 1707mm (67.2") of precipitation.Daylight
The month with the longest days in Simon is June, with an average of 12h and 24min of daylight.On the first day of the month, sunrise is at 06:17 and sunset at 18:39. On the last day of June, in Simon, sunrise is at 06:23 and sunset at 18:45 -03.
Sunshine
The average sunshine in June is 7.5h.UV index
The months with the highest UV index in Simon are June through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 7 in June translates into these instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Simon, French Guiana
- Average high temperature in June: 28.8°C
The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is February (27.7°C).
- Average low temperature in June: 23.8°C
The months with the highest average low temperature are October and November (24.8°C).
The coldest months (with the lowest average low temperature) are June and July (23.8°C).
Average pressure in June
Simon, French Guiana
- Average pressure in June: 1013.1mbar
The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in June
Simon, French Guiana
- Average wind speed in June: 8.5km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is July (8.3km/h).
Average humidity in June
Simon, French Guiana
- Average humidity in June: 84%
The month with the highest relative humidity is May (86%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall in June
Simon, French Guiana
- Average rainfall in June: 234mm
The wettest month (with the highest rainfall) is May (293mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in June
Simon, French Guiana
- Average rainfall days in June: 28.2 days
The month with the highest number of rainy days is May (28.9 days).
The month with the least rainy days is October (11.6 days).
Average daylight in June /
Average sunshine in June
Simon, French Guiana
- Average daylight in June: 12h and 24min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in June: 7h and 30min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in June
Simon, French Guiana
- Average sunshine days in June: 0.9 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (0.9 days).
Average UV index in June
Simon, French Guiana
- Average UV index in June: 7
The months with the highest UV index are June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May and December (UV index 6).
Average cloud cover in June
Simon, French Guiana
- Average cloud cover in June: 46
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in June
Simon, French Guiana
- Average visibility in June: 9km
The months with the highest visibility are January, February, March, August, September, October and November (10km).
The months with the lowest visibility are April, May, June, July and December (9km).
