July weather forecast
Wempi, French Guiana

July

Weather in July

Summer is in full swing in Wempi in July. The precipitation continues its downward trend from the previous month, totaling 97mm (3.82"). This reduction in rainfall ushers in a much drier period for the city. However, it remains warm and humid. The sunshine hours significantly increase, reaching 7.5h and the mild winds provide the perfect summer atmosphere.

Temperature

Wempi's weather in July indicates an average high-temperature of a still hot 31.1°C (88°F), nearly consistent with the 30.3°C (86.5°F) of June. Throughout the month of July, Wempi sees a steady low-temperature average of 20.8°C (69.4°F).

Heat index

For most parts of July, the heat index is appraised at an extremely hot 43°C (109.4°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In July, the average relative humidity is 85%.

Rainfall

In Wempi, in July, it is raining for 24.6 days, with typically 97mm (3.82") of accumulated precipitation. Throughout the year, there are 265.5 rainfall days, and 1078mm (42.44") of precipitation is accumulated.

Daylight

The average length of the day in July is 12h and 18min.
On the first day of the month, sunrise is at 06:30 and sunset at 18:49. On the last day of July, sunrise is at 06:34 and sunset at 18:50 -03.

Sunshine

The average sunshine in July is 7.5h.

UV index

In Wempi, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during July leads to these advisories:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

How hot is it in July?
In July, in Wempi, the average high-temperature is 31.1°C (88°F), and the average low-temperature is 20.8°C (69.4°F). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 43°C (109.4°F).
What is the average humidity in July?
In Wempi, French Guiana, the average relative humidity in July is 85%.
How much does it rain in July?
In July, the rain falls for 24.6 days. Throughout July, 97mm (3.82") of precipitation is accumulated.
What is the average length of the day in July?
The average day length in July is 12h and 18min.
When are sunrise and sunset in July?
On the first day of July, sunrise is at 06:30 and sunset at 18:49. On the last day of the month, sunrise is at 06:34 and sunset at 18:50 -03.
How long on average sun shines in July?
In July, the average sunshine duration is 7.5h.
How high is the UV index in July?
In Wempi, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in July - Wempi, French Guiana
Average temperature in July
Wempi, French Guiana
  • Average high temperature in July: 31.1°C

The warmest month (with the highest average high temperature) is October (34.9°C).
The month with the lowest average high temperature is February (29.3°C).

  • Average low temperature in July: 20.8°C

The month with the highest average low temperature is May (21.9°C).
The coldest months (with the lowest average low temperature) are August and September (20.5°C).

Average pressure in July - Wempi, French Guiana
Average pressure in July
Wempi, French Guiana
  • Average pressure in July: 1013mbar

The months with the highest atmospheric pressure are June and July (1013mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).

Average wind speed in July - Wempi, French Guiana
Average wind speed in July
Wempi, French Guiana
  • Average wind speed in July: 4.2km/h

The windiest months (with the highest average wind speed) are February, March and November (5.3km/h).
The calmest month (with the lowest average wind speed) is July (4.2km/h).

Average humidity in July - Wempi, French Guiana
Average humidity in July
Wempi, French Guiana
  • Average humidity in July: 85%

The month with the highest relative humidity is May (90%).
The month with the lowest relative humidity is October (72%).

Average rainfall in July - Wempi, French Guiana
Average rainfall in July
Wempi, French Guiana
  • Average rainfall in July: 97mm

The wettest month (with the highest rainfall) is May (192mm).
The driest month (with the least rainfall) is October (21mm).

Average rainfall days in July - Wempi, French Guiana
Average rainfall days in July
Wempi, French Guiana
  • Average rainfall days in July: 24.6 days

The months with the highest number of rainy days are January and March (26.8 days).
The month with the least rainy days is October (10.4 days).

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

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 July: 7h and 3min

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

Average sunshine days in July - Wempi, French Guiana
Average sunshine days in July
Wempi, French Guiana
  • Average sunshine days in July: 4.3 days

The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is February (1.8 days).

Average UV index in July - Wempi, French Guiana
Average UV index in July
Wempi, French Guiana
  • Average UV index in July: 6

The months with the highest UV index are August, September, October and November (UV index 7).
The months with the lowest UV index are January, March and December (UV index 5).

Average cloud cover in July - Wempi, French Guiana
Average cloud cover in July
Wempi, French Guiana
  • Average cloud cover in July: 63

The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is October (Cloud cover 44).

Average visibility in July - Wempi, French Guiana
Average visibility in July
Wempi, French Guiana
  • Average visibility in July: 6km

The month with the highest visibility is October (8km).
The month with the lowest visibility is May (5km).

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