October weather forecast
Mario, French Guiana

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Weather in October

October, the same as September, in Mario, French Guiana, is another hot autumn month, with temperature in the range of an average high of 34.3°C (93.7°F) and an average low of 22.2°C (72°F).

Temperature

Mario's warmest month, October, generally records average temperatures ranging from a high of 34.3°C (93.7°F) to a low of 22.2°C (72°F).

Heat index

During October, the heat index is estimated at a blazing hot 51°C (123.8°F). Stay wary: Heat exhaustion and heat cramps are possible. Heatstroke can ensue from extended effort.
Heat index readings emphasize conditions of light breezes and shaded spots. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to 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.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

With an average relative humidity of 75%, October is the least humid month.

Rainfall

In Mario, during October, the rain falls for 12 days and regularly aggregates up to 22mm (0.87") of precipitation. In Mario, during the entire year, the rain falls for 270.6 days and collects up to 1131mm (44.53") of precipitation.

Daylight

The average length of the day in October is 12h and 3min.
On the first day of the month, sunrise is at 06:16 and sunset at 18:21. On the last day of October, sunrise is at 06:12 and sunset at 18:13 -03.

Sunshine

The average sunshine in October is 8.7h.

UV index

August through October, with an average maximum UV index of 7, are months with the highest UV index in Mario. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the maximum UV index of 7 transforms into these recommendations:
Shun overexposure. Protection from sun ravages is indispensable. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What time of the year is the hottest in Mario?

In Mario, October is the warmest month, with temperatures averaging a high of 34.3°C (93.7°F) and a low of 22.2°C (72°F).

How hot is it in Mario in October?

Mario in October has an average high-temperature of 34.3°C (93.7°F) and an average low-temperature of 22.2°C (72°F). In October, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 51°C (123.8°F).

What is the least humid month in Mario?

The least humid month in Mario, French Guiana, is October, with an average relative humidity of 75%.

What is the average humidity in October in Mario?

In Mario, the average relative humidity in October is 75%.

How much does it rain in Mario in October?

In Mario, French Guiana, in October, during 12 rainfall days, 22mm (0.87") of precipitation is typically accumulated.

How many hours of daylight does Mario have in October?

The average day length in October in Mario is 12h and 3min.

When is the sunrise / sunset in October in Mario?

On the first day of October, sunrise is at 06:16 and sunset at 18:21. On the last day of the month, sunrise is at 06:12 and sunset at 18:13 -03.

How long on average sun shines in October in Mario?

In Mario, French Guiana, the average sunshine duration in October is 8.7h.

When is the highest UV index in Mario?

The months with the highest UV index are August through October, with an average maximum UV index of 7.

What is the UV index intensity in October in Mario?

In October, the average daily maximum UV index in Mario is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Mario, French Guiana

Average temperature in October - Mario, French Guiana
  • Average high temperature in October: 34.3°C

The warmest month (with the highest average high temperature) is October (34.3°C).
The month with the lowest average high temperature is February (27.9°C).

  • Average low temperature in October: 22.2°C

The month with the highest average low temperature is April (22.4°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).

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Average pressure in October
Mario, French Guiana

Average pressure in October - Mario, 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).

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Average wind speed in October
Mario, French Guiana

Average wind speed in October - Mario, French Guiana
  • Average wind speed in October: 6.1km/h

The windiest month (with the highest average wind speed) is October (6.1km/h).
The calmest month (with the lowest average wind speed) is June (4.2km/h).

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Average humidity in October
Mario, French Guiana

Average humidity in October - Mario, French Guiana
  • Average humidity in October: 75%

The month with the highest relative humidity is May (91%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in October
Mario, French Guiana

Average rainfall in October - Mario, French Guiana
  • Average rainfall in October: 22mm

The wettest month (with the highest rainfall) is May (195mm).
The driest month (with the least rainfall) is September (21mm).

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Average rainfall days in October
Mario, French Guiana

Average rainfall days in October - Mario, French Guiana
  • Average rainfall days in October: 12 days

The month with the highest number of rainy days is May (28.9 days).
The month with the least rainy days is October (12 days).

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Average daylight in October /
Average sunshine in October
Mario, French Guiana

Average daylight in October / Average sunshine in October - Mario, French Guiana
  • Average daylight in October: 12h and 0min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in October: 8h and 4min

The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

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Average sunshine days in October
Mario, French Guiana

Average sunshine days in October - Mario, French Guiana
  • Average sunshine days in October: 16.3 days

The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is May (1.8 days).

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Average UV index in October
Mario, French Guiana

Average UV index in October - Mario, French Guiana
  • Average UV index in October: 7

The months with the highest UV index are August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, November and December (UV index 6).

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Average cloud cover in October
Mario, French Guiana

Average cloud cover in October - Mario, French Guiana
  • Average cloud cover in October: 46

The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is October (Cloud cover 46).

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Average visibility in October
Mario, French Guiana

Average visibility in October - Mario, French Guiana
  • Average visibility in October: 7km

The months with the highest visibility are September and October (7km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, November and December (6km).

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Mario, French Guiana

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