April weather forecast
Nationale, French Guiana

April

Weather in April

April, the same as March, is a moderately hot spring month in Nationale, French Guiana, with temperature in the range of an average low of 24.7°C (76.5°F) and an average high of 28.5°C (83.3°F).

Temperature

April's arrival registers an average high-temperature of a still warm 28.5°C (83.3°F), closely aligning with the temperature of the previous month. During April, Nationale's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a still warm 24.7°C (76.5°F).

Heat index

The heat index value for April is appraised at a tropical 34°C (93.2°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

In Nationale, the average relative humidity in April is 84%.

Rainfall

In Nationale, in April, during 27.2 rainfall days, 208mm (8.19") of precipitation is typically accumulated. Throughout the year, there are 277 rainfall days, and 1707mm (67.2") of precipitation is accumulated.

Daylight

In Nationale, the average length of the day in April is 12h and 13min.
On the first day of the month, sunrise is at 06:29 and sunset at 18:39. On the last day of April, in Nationale, sunrise is at 06:19 and sunset at 18:36 -03.

Sunshine

In April, the average sunshine in Nationale is 6.2h.

UV index

The months with the lowest UV index are January through May and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 6 during April leads to these instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

How hot does it get in Nationale in April?
In Nationale, in April, the average high-temperature is 28.5°C (83.3°F), and the average low-temperature is 24.7°C (76.5°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 April is appraised at 34°C (93.2°F).
What is the average humidity in April in Nationale?
The average relative humidity in April in Nationale is 84%.
How much does it rain in Nationale in April?
In Nationale, in April, during 27.2 rainfall days, 208mm (8.19") of precipitation is typically accumulated.
What is the average length of the day in April in Nationale?
In Nationale, the average day length in April is 12h and 13min.
When is the sunrise / sunset in April in Nationale?
In April, on the first day of the month, sunrise is at 06:29 and sunset at 18:39. On the last day of the month, in Nationale, sunrise is at 06:19 and sunset at 18:36 -03.
How many hours of sunshine does Nationale have in April?
In April, the average sunshine duration in Nationale is 6.2h.
What is the month with the lowest UV index in Nationale?
January through May and December, with an average maximum UV index of 6, are months with the lowest UV index in Nationale, French Guiana.
What is the UV index reading in April in Nationale?
The average daily maximum UV index in April in Nationale, French Guiana, is 6. A UV Index of 6 to 7 symbolizes a high health risk 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 April
Nationale, French Guiana
  • Average high temperature in April: 28.5°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 April: 24.7°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).

Average pressure in April
Nationale, French Guiana
  • Average pressure in April: 1011.9mbar

The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).

Average wind speed in April
Nationale, French Guiana
  • Average wind speed in April: 11.7km/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).

Average humidity in April
Nationale, French Guiana
  • Average humidity in April: 84%

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

Average rainfall in April
Nationale, French Guiana
  • Average rainfall in April: 208mm

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

Average rainfall days in April
Nationale, French Guiana
  • Average rainfall days in April: 27.2 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).

Average daylight in April /
Average sunshine in April
Nationale, French Guiana
  • Average daylight in April: 12h and 1min

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 April: 6h and 1min

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).

Average sunshine days in April
Nationale, French Guiana
  • Average sunshine days in April: 1.5 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).

Average UV index in April
Nationale, French Guiana
  • Average UV index in April: 6

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).

Average cloud cover in April
Nationale, French Guiana
  • Average cloud cover in April: 57

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

Average visibility in April
Nationale, French Guiana
  • Average visibility in April: 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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