French Guiana Weather by Month: Temperature & Rainfall Guide

In January the weather in French Guiana ranges from less favorable in Saint Georges to good in Maripasoula. In Kourou you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 24°C (75°F).

Find more detailed climate information for French Guiana in January here.

In February the weather in French Guiana ranges from less favorable in Saint Georges to good in Maripasoula. In Kourou you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 24°C (75°F).

Find more detailed climate information for French Guiana in February here.

In March the weather in French Guiana ranges from less favorable in Saint Georges to good in Kourou. In Kourou you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 25°C (77°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for French Guiana in March here.

In April the weather in French Guiana is generally less favorable. In Kourou you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 25°C (77°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for French Guiana in April here.

In May the weather in French Guiana is generally less favorable. In Kourou you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 25°C (77°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for French Guiana in May here.

In June the weather in French Guiana is generally less favorable. In Kourou you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 24°C (75°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for French Guiana in June here.

In July the weather in French Guiana ranges from less favorable in Kourou to good in Maripasoula. In Kourou you can expect very warm maximum average daytime temperatures around 30°C (86°F) and nighttime temperatures around 24°C (75°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for French Guiana in July here.

In August the weather in French Guiana ranges from good in Kourou to very good in Maripasoula. The average maximum daytime temperatures are very high and range from 31°C (88°F) in Kourou to 33°C (91°F) in Maripasoula. These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for French Guiana in August here.

In September the weather in French Guiana ranges from good in Maripasoula to very good in Kourou. The average maximum daytime temperatures are very high and range from 31°C (88°F) in Kourou to 34°C (93°F) in Maripasoula. These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for French Guiana in September here.

In October the weather in French Guiana ranges from mixed in Maripasoula to very good in Kourou. The average maximum daytime temperatures are very high and range from 31°C (88°F) in Kourou to 35°C (95°F) in Maripasoula. These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for French Guiana in October here.

In November the weather in French Guiana is generally good. The average maximum daytime temperatures are very high and range from 30°C (86°F) in Kourou to 34°C (93°F) in Maripasoula. These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for French Guiana in November here.

In December the weather in French Guiana ranges from less favorable in Kourou to good in Maripasoula. The temperatures range from high in Kourou with 29°C (84°F) to very high in Maripasoula with 32°C (90°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for French Guiana in December here.