October weather forecastJohn, French Guiana
October weather for John, French Guiana: The month with the least rainfall in John, French Guiana, is October, when the rain falls for 11.6 days and typically collects 23mm (0.91") of precipitation. October, the same as September, in John, French Guiana, is another tropical autumn month, with an average temperature fluctuating between 33.1°C (91.6°F) and 22.8°C (73°F).
October
Weather in October
October, the same as September, in John, French Guiana, is another tropical autumn month, with an average temperature fluctuating between 33.1°C (91.6°F) and 22.8°C (73°F).Temperature
The warmest month is October, with an average high-temperature of 33.1°C (91.6°F) and an average low-temperature of 22.8°C (73°F).Heat index
In October, the heat index is evaluated at a burning hot 47°C (116.6°F). Be alert: Heat exhaustion along with heat cramps are probable. Heatstroke is a threat with sustained physical activity.When referencing the heat index, its values are suitable for shady environments and light breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
With an average relative humidity of 77%, October is the least humid month.Rainfall
October is the month with the least rainfall in John, French Guiana. Rain falls for 11.6 days and accumulates 23mm (0.91") of precipitation.Daylight
In October, the average length of the day in John is 12h and 1min.On the first day of October, sunrise is at 06:21 and sunset at 18:25. On the last day of the month, sunrise is at 06:19 and sunset at 18:16 -03.
Sunshine
In John, French Guiana, the average sunshine in October is 8.7h.UV index
The months with the highest UV index are July through November, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: During October, 7 as the daily maximum UV index converts into the following advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
John, French Guiana
- Average high temperature in October: 33.1°C
The warmest month (with the highest average high temperature) is October (33.1°C).
The month with the lowest average high temperature is February (29.1°C).
- Average low temperature in October: 22.8°C
The month with the highest average low temperature is May (23.3°C).
The coldest month (with the lowest average low temperature) is July (22.2°C).
Average pressure in October
John, French Guiana
- Average pressure in October: 1010.3mbar
The months with the highest atmospheric pressure are June and July (1012.9mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).
Average wind speed in October
John, French Guiana
- Average wind speed in October: 8.2km/h
The windiest months (with the highest average wind speed) are February and March (9.5km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).
Average humidity in October
John, French Guiana
- Average humidity in October: 77%
The month with the highest relative humidity is June (88%).
The month with the lowest relative humidity is October (77%).
Average rainfall in October
John, French Guiana
- Average rainfall in October: 23mm
The wettest month (with the highest rainfall) is May (137mm).
The driest month (with the least rainfall) is October (23mm).
Average rainfall days in October
John, French Guiana
- Average rainfall days in October: 11.6 days
The month with the highest number of rainy days is May (28 days).
The month with the least rainy days is September (11.5 days).
Average daylight in October /
Average sunshine in October
John, 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 48min).
- Average sunshine in October: 8h and 42min
The month with the most sunshine is September (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in October
John, French Guiana
- Average sunshine days in October: 16 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is May (1.8 days).
Average UV index in October
John, French Guiana
- Average UV index in October: 7
The months with the highest UV index are July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).
Average cloud cover in October
John, French Guiana
- Average cloud cover in October: 35
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in October
John, French Guiana
- Average visibility in October: 8km
The months with the highest visibility are February, March and April (9km).
The months with the lowest visibility are June, July and August (7km).
