April weather forecast
Bienvenue, French Guiana

Weather in April

April, like March, in Bienvenue, French Guiana, is another warm spring month, with temperature in the range of an average high of 28.8°C (83.8°F) and an average low of 22.4°C (72.3°F).

Temperature

In April, the average high-temperature remains the same as in March - a still warm 28.8°C (83.8°F). In April, the average low-temperature is 22.4°C (72.3°F).

Heat index

In April, the average heat index is calculated to be a sweltering 36°C (96.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like pregnancy, differences in body mass, height, and shape, metabolic differences, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Bienvenue, the average relative humidity in April is 90%.

Rainfall

In Bienvenue, during April, the rain falls for 26.5 days and regularly aggregates up to 142mm (5.59") of precipitation. In Bienvenue, French Guiana, 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 April is 12h and 11min.
On the first day of April, sunrise is at 06:30 and sunset at 18:39. On the last day of the month, sunrise is at 06:21 and sunset at 18:34 -03.

Sunshine

In Bienvenue, French Guiana, the average sunshine in April is 4.8h.

UV index

January through July, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 6 in April interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in April in Bienvenue?

In Bienvenue, French Guiana, in April, the average high-temperature is 28.8°C (83.8°F), and the average low-temperature is 22.4°C (72.3°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in April is calculated to be 36°C (96.8°F).

What is the average humidity in April in Bienvenue?

The average relative humidity in April in Bienvenue, French Guiana, is 90%.

How many days does it rain in April in Bienvenue?

In Bienvenue, in April, during 26.5 rainfall days, 142mm (5.59") of precipitation is typically accumulated.

What is the average length of the day in April in Bienvenue?

The average day length in April is 12h and 11min.

What time are sunrise and sunset in April in Bienvenue?

On the first day of April, sunrise is at 06:30 and sunset at 18:39. On the last day of the month, sunrise is at 06:21 and sunset at 18:34 -03.

How long on average sun shines in April in Bienvenue?

In April, the average sunshine duration in Bienvenue, French Guiana, is 4.8h.

What are the months with the lowest UV index in Bienvenue?

January through July, November and December, with an average maximum UV index of 6, are months with the lowest UV index.

How high is the UV index in April in Bienvenue?

In Bienvenue, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.

Average temperature in April
Bienvenue, French Guiana

Average temperature in April - Bienvenue, French Guiana
  • Average high temperature in April: 28.8°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 April: 22.4°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 April
Bienvenue, French Guiana

Average pressure in April - Bienvenue, French Guiana
  • Average pressure in April: 1011.8mbar

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 April
Bienvenue, French Guiana

Average wind speed in April - Bienvenue, French Guiana
  • Average wind speed in April: 5.3km/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 April
Bienvenue, French Guiana

Average humidity in April - Bienvenue, French Guiana
  • Average humidity in April: 90%

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 April
Bienvenue, French Guiana

Average rainfall in April - Bienvenue, French Guiana
  • Average rainfall in April: 142mm

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 April
Bienvenue, French Guiana

Average rainfall days in April - Bienvenue, French Guiana
  • Average rainfall days in April: 26.5 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 April /
Average sunshine in April
Bienvenue, French Guiana

Average daylight in April / Average sunshine in April - Bienvenue, French Guiana
  • Average daylight in April: 12h and 11min

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 57min).

  • Average sunshine in April: 4h and 48min

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 April
Bienvenue, French Guiana

Average sunshine days in April - Bienvenue, French Guiana
  • Average sunshine days in April: 2.7 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 April
Bienvenue, French Guiana

Average UV index in April - Bienvenue, French Guiana
  • Average UV index in April: 6

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 April
Bienvenue, French Guiana

Average cloud cover in April - Bienvenue, French Guiana
  • Average cloud cover in April: 75

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 April
Bienvenue, French Guiana

Average visibility in April - Bienvenue, French Guiana
  • Average visibility in April: 6km

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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