Discover French Guiana
Very few tourists make it to this small South American country. It's a shame, because nature in French Guiana is still pure and unspoiled.
December in Saint Georges typically sees daytime highs of 31°C (88°F) and nighttime lows of 23°C (73°F). December falls within the rainy season, so heavy rainfall is to be expected.
December in Saint Georges has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Pick a month to see the average temperature, rainfall and sunshine in Saint Georges - and find the best time to visit.
43-year average (1977-2025)
Based on our historical records, temperatures in Saint Georges typically stay consistent throughout December, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 23°C (73°F).
Browse day-by-day weather records for Saint Georges spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 25 years of weather records for Saint Georges, the following extremes were recorded between 2000 and 2025.
Find out more about the weather in French Guiana and which places have the best travel conditions in this month. See all of French Guiana in December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Saint Georges climate overview or explore weather in French Guiana.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Discover French Guiana
Very few tourists make it to this small South American country. It's a shame, because nature in French Guiana is still pure and unspoiled.
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