July weather forecast
Guenouillet, French Guiana

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Weather in July

July, the same as June, is a moderately hot summer month in Guenouillet, French Guiana, with an average temperature fluctuating between 29.8°C (85.6°F) and 23.8°C (74.8°F).

Temperature

Guenouillet marks the arrival of July with an average high-temperature of a still warm 29.8°C (85.6°F), hardly different from June's 28.8°C (83.8°F). In July, the nighttime temperature lowers to an average of 23.8°C (74.8°F).

Heat index

During July, the heat index is evaluated at a fiery hot 37°C (98.6°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Consider that heat index readings are for situations in the shade and light wind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

In Guenouillet, the average relative humidity in July is 81%.

Rainfall

In Guenouillet, during July, the rain falls for 26.6 days and regularly aggregates up to 133mm (5.24") of precipitation. In Guenouillet, during the entire year, the rain falls for 277 days and collects up to 1707mm (67.2") of precipitation.

Daylight

In July, the average length of the day in Guenouillet, French Guiana, is 12h and 22min.
On the first day of July, sunrise is at 06:21 and sunset at 18:45. On the last day of the month, sunrise is at 06:26 and sunset at 18:46 -03.

Sunshine

In Guenouillet, the average sunshine in July is 8.3h.

UV index

June through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 7 in July interprets into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

How hot is July in Guenouillet?

The average high-temperature and low-temperature in Guenouillet during July are 29.8°C (85.6°F) and 23.8°C (74.8°F) respectively. In July, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 37°C (98.6°F).

What is the average humidity in July in Guenouillet?

The average relative humidity in July in Guenouillet, French Guiana, is 81%.

How many days does it rain in July in Guenouillet?

In July, the rain falls for 26.6 days. Throughout July, 133mm (5.24") of precipitation is accumulated.

How many hours of daylight does Guenouillet have in July?

In Guenouillet, French Guiana, the average day length in July is 12h and 22min.

When is the sunrise / sunset in July in Guenouillet?

On the first day of July, sunrise is at 06:21 and sunset at 18:45. On the last day of the month, sunrise is at 06:26 and sunset at 18:46 -03.

How long on average sun shines in July in Guenouillet?

In Guenouillet, the average sunshine duration in July is 8.3h.

When is the highest UV index in Guenouillet?

The months with the highest UV index in Guenouillet are June through November, with an average maximum UV index of 7.

How high is the UV index in July in Guenouillet?

In Guenouillet, the average daily maximum UV index in July is 7. A UV Index reading of 6 to 7 represents a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in July
Guenouillet, French Guiana

Average temperature in July - Guenouillet, French Guiana
  • Average high temperature in July: 29.8°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 July: 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).

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Average pressure in July
Guenouillet, French Guiana

Average pressure in July - Guenouillet, French Guiana
  • Average pressure in July: 1013.2mbar

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 July
Guenouillet, French Guiana

Average wind speed in July - Guenouillet, French Guiana
  • Average wind speed in July: 8.3km/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).

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Average humidity in July
Guenouillet, French Guiana

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

The month with the highest relative humidity is May (86%).
The months with the lowest relative humidity are September and October (76%).

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Average rainfall in July
Guenouillet, French Guiana

Average rainfall in July - Guenouillet, French Guiana
  • Average rainfall in July: 133mm

The wettest month (with the highest rainfall) is May (293mm).
The driest month (with the least rainfall) is September (23mm).

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Average rainfall days in July
Guenouillet, French Guiana

Average rainfall days in July - Guenouillet, French Guiana
  • Average rainfall days in July: 26.6 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).

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Average daylight in July /
Average sunshine in July
Guenouillet, French Guiana

Average daylight in July / Average sunshine in July - Guenouillet, 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 48min).

  • Average sunshine in July: 8h and 2min

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).

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Average sunshine days in July
Guenouillet, French Guiana

Average sunshine days in July - Guenouillet, French Guiana
  • Average sunshine days in July: 2.3 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).

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Average UV index in July
Guenouillet, French Guiana

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

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Average cloud cover in July
Guenouillet, French Guiana

Average cloud cover in July - Guenouillet, French Guiana
  • Average cloud cover in July: 39

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in July
Guenouillet, French Guiana

Average visibility in July - Guenouillet, French Guiana
  • Average visibility in July: 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).

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Guenouillet, French Guiana

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