The climate is warm and humid; temperatures average about 27°C (81 F). Even at night, the temperature rarely drops below 24°C (75 F). At mid-day during the dry seasons the temperature may reach 36°C (96 F) in the shade.
The constant trade winds bring some cooling relief. September and October are the warmest months, the coolest are January and February.
Although not fully predictable, the year is divided into two dry seasons and two rainy seasons:
| Short dry season | beginning of February through April | | Long rainy season | May to mid-August
| Long dry season
| mid-August through November | Short rainy season
| December through January
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Suriname time is two hours later than Eastern Standard Time (EST) in the USA and three hours earlier than Greenwich Mean Time (GMT) in Europe.
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