July weather forecast
Roche Serpent, French Guiana

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Weather in July

July, the same as June, is another warm summer month in Roche Serpent, French Guiana, with an average temperature varying between 29.5°C (85.1°F) and 24.3°C (75.7°F).

Temperature

Roche Serpent's average high-temperature in July is a still warm 29.5°C (85.1°F), marking an insignificant difference from the 28.8°C (83.8°F) of June. Roche Serpent, in July, witnesses an average low-temperature of 24.3°C (75.7°F).

Heat index

Throughout July, the heat index is computed to be a sweltering 36°C (96.8°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When body temperature rises due to excess heat gain beyond its removal capability, one might experience heat-related disorders.

Humidity

In July, the average relative humidity in Roche Serpent, French Guiana, is 81%.

Rainfall

In Roche Serpent, in July, during 27.4 rainfall days, 146mm (5.75") of precipitation is typically accumulated. Throughout the year, there are 288 rainfall days, and 1773mm (69.8") of precipitation is accumulated.

Daylight

In Roche Serpent, the average length of the day in July is 12h and 22min.
On the first day of the month, sunrise is at 06:24 and sunset at 18:47. On the last day of July, in Roche Serpent, sunrise is at 06:29 and sunset at 18:48 -03.

Sunshine

In July, the average sunshine in Roche Serpent is 8.4h.

UV index

July through November, with an average maximum UV index of 7, are months with the highest UV index in Roche Serpent. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In July, the average maximum UV index of 7 translates into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

How hot does it get in Roche Serpent in July?

An average high-temperature, in July, in Roche Serpent, is 29.5°C (85.1°F) and the average low-temperature is 24.3°C (75.7°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is computed to be 36°C (96.8°F).

What is the average humidity in July in Roche Serpent?

In Roche Serpent, French Guiana, the average relative humidity in July is 81%.

How much does it rain in Roche Serpent in July?

In Roche Serpent, in July, during 27.4 rainfall days, 146mm (5.75") of precipitation is typically accumulated.

How many hours of daylight does Roche Serpent have in July?

The average day length in July in Roche Serpent, French Guiana, is 12h and 22min.

When are sunrise and sunset in July in Roche Serpent?

On the first day of July, sunrise is at 06:24 and sunset at 18:47. On the last day of the month, sunrise is at 06:29 and sunset at 18:48 -03.

How many hours of sunshine does Roche Serpent have in July?

The average sunshine duration in July is 8.4h.

What is the month with the highest UV index in Roche Serpent?

July through November, with an average maximum UV index of 7, are months with the highest UV index in Roche Serpent, French Guiana.

What is the UV index intensity in July in Roche Serpent?

In Roche Serpent, the average daily maximum UV index in July is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in July
Roche Serpent, French Guiana

Average temperature in July - Roche Serpent, French Guiana
  • Average high temperature in July: 29.5°C

The warmest months (with the highest average high temperature) are September and October (30.9°C).
The month with the lowest average high temperature is February (27.5°C).

  • Average low temperature in July: 24.3°C

The month with the highest average low temperature is November (25.1°C).
The coldest month (with the lowest average low temperature) is January (24.2°C).

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Average pressure in July
Roche Serpent, French Guiana

Average pressure in July - Roche Serpent, French Guiana
  • Average pressure in July: 1013.1mbar

The months with the highest atmospheric pressure are June and July (1013.1mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

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Average wind speed in July
Roche Serpent, French Guiana

Average wind speed in July - Roche Serpent, French Guiana
  • Average wind speed in July: 9.7km/h

The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).

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Average humidity in July
Roche Serpent, French Guiana

Average humidity in July - Roche Serpent, French Guiana
  • Average humidity in July: 81%

The months with the highest relative humidity are February and May (84%).
The months with the lowest relative humidity are September and October (77%).

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Average rainfall in July
Roche Serpent, French Guiana

Average rainfall in July - Roche Serpent, French Guiana
  • Average rainfall in July: 146mm

The wettest month (with the highest rainfall) is May (279mm).
The driest month (with the least rainfall) is September (29mm).

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Average rainfall days in July
Roche Serpent, French Guiana

Average rainfall days in July - Roche Serpent, French Guiana
  • Average rainfall days in July: 27.4 days

The month with the highest number of rainy days is May (29.6 days).
The months with the least rainy days are September and October (14.3 days).

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Average daylight in July /
Average sunshine in July
Roche Serpent, French Guiana

Average daylight in July / Average sunshine in July - Roche Serpent, French Guiana
  • Average daylight in July: 12h and 2min

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 July: 8h and 2min

The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

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Average sunshine days in July
Roche Serpent, French Guiana

Average sunshine days in July - Roche Serpent, French Guiana
  • Average sunshine days in July: 1.5 days

The month with the most sunshine days is October (13.2 days).
The month with the least sunshine days is May (0.6 days).

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Average UV index in July
Roche Serpent, French Guiana

Average UV index in July - Roche Serpent, French Guiana
  • Average UV index in July: 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).

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Average cloud cover in July
Roche Serpent, French Guiana

Average cloud cover in July - Roche Serpent, French Guiana
  • Average cloud cover in July: 38

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in July
Roche Serpent, French Guiana

Average visibility in July - Roche Serpent, French Guiana
  • Average visibility in July: 9km

The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).

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Roche Serpent, French Guiana

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