October weather forecastSimon, French Guiana
October
Weather in October
October, the same as September, in Simon, French Guiana, is a hot autumn month, with temperature in the range of an average low of 24.8°C (76.6°F) and an average high of 31.6°C (88.9°F).Temperature
October is the month when Simon experiences its warmest temperatures, averaging a high of 31.6°C (88.9°F) and a low of 24.8°C (76.6°F).Heat index
October's average heat index is computed to be a scorching 41°C (105.8°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
The months with the lowest humidity in Simon are September and October, with an average relative humidity of 76%.Rainfall
In October, in Simon, French Guiana, the rain falls for 11.6 days. Throughout October, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 277 rainfall days, and 1707mm (67.2") of precipitation is accumulated.Daylight
In Simon, the average length of the day in October is 12h and 1min.On the first day of October, sunrise is at 06:17 and sunset at 18:22. On the last day of the month, sunrise is at 06:15 and sunset at 18:13 -03.
Sunshine
The average sunshine in October in Simon is 9.1h.UV index
The months with the highest UV index in Simon, French Guiana, are June through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In October, the average maximum UV index of 7 translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Simon, French Guiana
- Average high temperature in October: 31.6°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 October: 24.8°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 October
Simon, French Guiana
- Average pressure in October: 1010.6mbar
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 October
Simon, French Guiana
- Average wind speed in October: 11.1km/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 October
Simon, French Guiana
- Average humidity in October: 76%
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 October
Simon, French Guiana
- Average rainfall in October: 26mm
The wettest month (with the highest rainfall) is May (293mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in October
Simon, French Guiana
- Average rainfall days in October: 11.6 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 October /
Average sunshine in October
Simon, French Guiana
- Average daylight in October: 12h and 0min
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 October: 9h and 6min
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 October
Simon, French Guiana
- Average sunshine days in October: 16.5 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 October
Simon, French Guiana
- Average UV index in October: 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 October
Simon, French Guiana
- Average cloud cover in October: 28
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 October
Simon, French Guiana
- Average visibility in October: 10km
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).





