March Weather in Sinnamary, French Guiana

Last updated: August 23, 2025

In March, the average temperature in Sinnamary, French Guiana hovers around 26°C (79°F). Expect lows of 24°C (76°F) and highs reaching up to 28°C (83°F). During this time, precipitation totals around 153 mm (6.0 in) over 25 days, paired with an average humidity of 66%. Perfect for those who enjoy a warm, yet occasionally rainy climate!

March Temperature in Sinnamary

In March in Sinnamary, the average temperature is 26°C (79°F). The maximum can reach 28°C (83°F), and the minimum can be as low as 24°C (76°F). This pleasant climate makes Sinnamary an ideal destination for travelers seeking warm weather and enjoyable outdoor activities.

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

The chart illustrates March 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, March typically has an average temperature of 26°C (79°F), with highs reaching up to 28°C (83°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.

March Precipitation in Sinnamary

In Sinnamary in March, the precipitation amount is 153 mm (6.0 in), which occurs over a span of 25 days.

March Precipitation Trends in Sinnamary

The chart displays monthly precipitation patterns in Sinnamary, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Sinnamary, March typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 25 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Sinnamary

In Sinnamary in March, humidity is 66%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket, making outdoor activities invigorating yet requiring occasional breaks in the shade to stay comfortable while traveling.

March Average Humidity in Sinnamary

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

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

March UV Index in Sinnamary

In Sinnamary in March, 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 March

The chart shows the monthly maximum UV Index (UVI) for Sinnamary in March, 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 March, the maximum UV index in Sinnamary typically reaches 16, which falls under the extreme exposure category.

Data source: Sinnamary March 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 March 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 March’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 March’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