June Weather in Sinnamary, French Guiana

Last updated: August 23, 2025

In June, the average temperature in Sinnamary, French Guiana hovers around 26°C (80°F), with a comfortable minimum of 24°C (76°F) and a refreshing maximum of 29°C (85°F). However, be prepared for a wet month, as 423 mm (16.6 in) of rain is expected over 29 days, contributing to an average humidity level of 86%. Whether you enjoy the warmth or the showers, this month brings a blend of tropical vibes!

June Temperature in Sinnamary

In June in Sinnamary, the average temperature is 26°C (80°F). Maximums can reach 29°C (85°F), and minimums can be as low as 24°C (76°F). This weather makes it an ideal time for travelers to enjoy outdoor activities and explore the local attractions comfortably.

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

The chart illustrates June 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, June typically has an average temperature of 26°C (80°F), with highs reaching up to 29°C (85°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.

June Precipitation in Sinnamary

In Sinnamary in June, the total precipitation amount is 423 mm (16.6 in) over a span of 29 days.

June Precipitation Trends in Sinnamary

The chart displays monthly precipitation patterns in Sinnamary, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Sinnamary, June typically receives around 423 mm (16.6 inches) of precipitation spread over approximately 29 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Sinnamary

In Sinnamary in June humidity is 86%. With an average temperature of 26°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel exhausting and sticky, as sweat clings to your skin and every step becomes a laborious task in the sweltering conditions.

June Average Humidity in Sinnamary

This chart illustrates the average monthly humidity levels in Sinnamary, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Sinnamary is approximately 86%, offering insight into how humid the weather typically is during this month.

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

June UV Index in Sinnamary

In Sinnamary in June, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Sinnamary.

Maximum UV Index Levels in Sinnamary for June

The chart shows the monthly maximum UV Index (UVI) for Sinnamary in June, 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 June, the maximum UV index in Sinnamary typically reaches 13, which falls under the extreme exposure category.

Data source: Sinnamary June 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 June 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 June’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 June’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