April weather forecast
Barthélemy, French Guiana

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Weather in April

An interesting shift takes place in Barthélemy's weather in April, with rainfall shooting up to 208mm (8.19"), a sharp increase from the previous month's 128mm (5.04"). Simultaneously, the lower temperature limit rises to 24.7°C (76.5°F), the highest so far in the year. This period brings longer daylight hours, with the city basking in 12.2 hours of light each day. The tropical character of Barthélemy's weather becomes increasingly prominent in April, displaying a blend of warm temperatures, high precipitation, and ample daylight hours.

Temperature

The arrival of April in Barthélemy brings an average high-temperature of a still moderately hot 28.5°C (83.3°F), subtly diverging from March's 28.3°C (82.9°F). Barthélemy registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 24.7°C (76.5°F) during April.

Heat index

During April, the heat index is evaluated at a hot 34°C (93.2°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

In April, the average relative humidity is 84%.

Rainfall

In Barthélemy, during April, the rain falls for 27.2 days and regularly aggregates up to 208mm (8.19") of precipitation. In Barthélemy, during the entire year, the rain falls for 277 days and collects up to 1707mm (67.2") of precipitation.

Daylight

The average length of the day in April in Barthélemy is 12h and 13min.
On the first day of April in Barthélemy, sunrise is at 06:28 and sunset at 18:38. On the last day of the month, sunrise is at 06:19 and sunset at 18:35 -03.

Sunshine

In April, the average sunshine 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 risk from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in April transforms into the following instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

How hot is it in Barthélemy in April?

The average high-temperature, in April, in Barthélemy, is 28.5°C (83.3°F), while the average low-temperature is 24.7°C (76.5°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in April is evaluated at 34°C (93.2°F).

What is the average humidity in April in Barthélemy?

In April, the average relative humidity is 84%.

How much does it rain in Barthélemy in April?

In Barthélemy, French Guiana, in April, during 27.2 rainfall days, 208mm (8.19") of precipitation is typically accumulated.

How many hours of daylight does Barthélemy have in April?

In April, the average day length in Barthélemy is 12h and 13min.

When are sunrise and sunset in April in Barthélemy?

In April, on the first day of the month, sunrise is at 06:28 and sunset at 18:38. On the last day of the month, in Barthélemy, French Guiana, sunrise is at 06:19 and sunset at 18:35 -03.

How many hours of sunshine does Barthélemy have in April?

The average sunshine duration in April in Barthélemy, French Guiana, is 6.2h.

When is the lowest UV index in Barthélemy?

January through May and December, with an average maximum UV index of 6, are months with the lowest UV index in Barthélemy.

What is the UV index intensity in April in Barthélemy?

In April, the average daily maximum UV index in Barthélemy is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

Average temperature in April
Barthélemy, French Guiana

Average temperature in April - Barthélemy, 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
Barthélemy, French Guiana

Average pressure in April - Barthélemy, 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
Barthélemy, French Guiana

Average wind speed in April - Barthélemy, 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
Barthélemy, French Guiana

Average humidity in April - Barthélemy, 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
Barthélemy, French Guiana

Average rainfall in April - Barthélemy, 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
Barthélemy, French Guiana

Average rainfall days in April - Barthélemy, 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
Barthélemy, French Guiana

Average daylight in April / Average sunshine in April - Barthélemy, 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
Barthélemy, French Guiana

Average sunshine days in April - Barthélemy, 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
Barthélemy, French Guiana

Average UV index in April - Barthélemy, 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
Barthélemy, French Guiana

Average cloud cover in April - Barthélemy, 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
Barthélemy, French Guiana

Average visibility in April - Barthélemy, 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).

Barthélemy, French Guiana

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