April Weather in Sinnamary, French Guiana

Last updated: August 23, 2025

In April, the average temperature in Sinnamary, French Guiana hovers around 26°C (80°F), with minimums dipping to 24°C (76°F) and maximums peaking at 29°C (84°F). This month also brings about 334 mm (13.2 in) of precipitation over 27 days, contributing to an average humidity of 66%—perfect for those who thrive in a tropical atmosphere!

April Temperature in Sinnamary

In April in Sinnamary, the average temperature is 26°C (80°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 24°C (76°F). This makes it an ideal time for travelers who enjoy warm and pleasant weather.

April Weather in Sinnamary: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Sinnamary, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sinnamary, April typically has an average temperature of 26°C (80°F), with highs reaching up to 29°C (84°F) and lows dropping to around 24°C (76°F).

Data source: Temperature data for Sinnamary generated using information from the Copernicus Climate Change Service.

April Precipitation in Sinnamary

In Sinnamary in April, the precipitation amount is 334 mm (13.2 in) over the course of 27 days.

April Precipitation Trends in Sinnamary

The chart displays monthly precipitation patterns in Sinnamary, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Sinnamary, April typically receives around 334 mm (13.2 inches) of precipitation spread over approximately 27 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Sinnamary

In Sinnamary in April humidity is 66%. With an average temperature of 26°C (80°F), this humidity feels like a warm, sticky embrace, making travel a bit challenging as you might find yourself needing frequent breaks to cool down and stay hydrated.

April Average Humidity in Sinnamary

This chart illustrates the average monthly humidity levels in Sinnamary, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Sinnamary is approximately 66%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Sinnamary

In Sinnamary in April, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Sinnamary.

Maximum UV Index Levels in Sinnamary for April

The chart shows the monthly maximum UV Index (UVI) for Sinnamary in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Sinnamary typically reaches 16, which falls under the extreme exposure category.

Data source: Sinnamary April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Sinnamary Compares to Other Months

Weather in Sinnamary varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Sinnamary, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sinnamary, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	169 mm (6.7 inches)	70%	extreme
February Weather	26°C (79°F)	135 mm (5.3 inches)	66%	extreme
March Weather	26°C (79°F)	153 mm (6.0 inches)	66%	extreme
April Weather	26°C (80°F)	334 mm (13.2 inches)	66%	extreme
May Weather	26°C (80°F)	475 mm (18.7 inches)	68%	extreme
June Weather	26°C (80°F)	423 mm (16.6 inches)	86%	extreme
July Weather	26°C (80°F)	242 mm (9.5 inches)	76%	extreme
August Weather	27°C (81°F)	103 mm (4.1 inches)	65%	extreme
September Weather	27°C (82°F)	68 mm (2.7 inches)	62%	extreme
October Weather	27°C (82°F)	70 mm (2.8 inches)	63%	extreme
November Weather	27°C (81°F)	202 mm (8.0 inches)	74%	extreme
December Weather	26°C (79°F)	294 mm (11.6 inches)	79%	extreme