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Usual weather in French Guiana

Do you need to know, when is the best time to go to French Guiana? Then you should take a look here, what weather you can expect there during the year.

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What weather to expect in French Guiana

When speaking about the usual weather in this state, the information is relevant for example for these popular places: Cayenne, Kourou, Saint Georges, Saint Laurent du Maroni.

Let's look now what weather you can expect in the area around the capital and in many other cities. The warmest month here is September, the average maximum temperature is 32.8 ℃ (91.04 ℉). The average minimum temperature in this month is 22 ℃ (71.6 ℉). The coldest month here is February, the average maximum temperature is 29.1 ℃ (84.38 ℉). The average minimum temperature in this month is 23.2 ℃ (73.76 ℉).

Please, keep in mind, that this is not a weather forecast, but the information about the usual weather (average). This should help you to decide, when is the best time to go to French Guiana. Read more details about the typical weather there in all individual months below:

January - February - March - April - May - June - July - August - September - October - November - December

January

Typical (usual) weather in French Guiana in January is this: The average highest temperature in French Guiana in January is 29.5 ℃ (85.1 ℉). The average lowest temperature is 24 ℃ (75.2 ℉). At the beginning of January you can expect lower temperatures, the average highest temperature is around 29.5 ℃ (85.1 ℉). At the end of January you can expect lower temperatures, the average highest temperature is around 29.3 ℃ (84.74 ℉). The average rainfall is 431.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:50 (hours and minutes), in the middle of the month 11:52 and at the end of the month 11:54.These numbers above are valid primarily for the capital and the area around it.

February

Typical (usual) weather in French Guiana in February is this: The average highest temperature in French Guiana in February is 29.1 ℃ (84.38 ℉). The average lowest temperature is 23.2 ℃ (73.76 ℉). At the beginning of February you can expect higher temperatures, the average highest temperature is around 29.3 ℃ (84.74 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 29.75 ℃ (85.55 ℉). The average rainfall is 302.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:54 (hours and minutes), in the middle of the month 11:57 and at the end of the month 12:01.These numbers above are valid primarily for the capital and the area around it.

March

Typical (usual) weather in French Guiana in March is this: The average highest temperature in French Guiana in March is 30.4 ℃ (86.72 ℉). The average lowest temperature is 24.2 ℃ (75.56 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 29.75 ℃ (85.55 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 30.65 ℃ (87.17 ℉). The average rainfall is 392.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:01 (hours and minutes), in the middle of the month 12:05 and at the end of the month 12:09.These numbers above are valid primarily for the capital and the area around it.

April

Typical (usual) weather in French Guiana in April is this: The average highest temperature in French Guiana in April is 30.9 ℃ (87.62 ℉). The average lowest temperature is 23.2 ℃ (73.76 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 30.65 ℃ (87.17 ℉). At the end of April you can expect lower temperatures, the average highest temperature is around 30.55 ℃ (86.99 ℉). The average rainfall is 409.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:09 (hours and minutes), in the middle of the month 12:13 and at the end of the month 12:17.These numbers above are valid primarily for the capital and the area around it.

May

Typical (usual) weather in French Guiana in May is this: The average highest temperature in French Guiana in May is 30.2 ℃ (86.36 ℉). The average lowest temperature is 24.1 ℃ (75.38 ℉). At the beginning of May you can expect higher temperatures, the average highest temperature is around 30.55 ℃ (86.99 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 30.55 ℃ (86.99 ℉). The average rainfall is 592.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:17 (hours and minutes), in the middle of the month 12:20 and at the end of the month 12:22.These numbers above are valid primarily for the capital and the area around it.

June

Typical (usual) weather in French Guiana in June is this: The average highest temperature in French Guiana in June is 30.9 ℃ (87.62 ℉). The average lowest temperature is 23.4 ℃ (74.12 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 30.55 ℃ (86.99 ℉). At the end of June you can expect lower temperatures, the average highest temperature is around 30.9 ℃ (87.62 ℉). The average rainfall is 453.5 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:22 (hours and minutes), in the middle of the month 12:23 and at the end of the month 12:23.These numbers above are valid primarily for the capital and the area around it.

July

Typical (usual) weather in French Guiana in July is this: The average highest temperature in French Guiana in July is 30.9 ℃ (87.62 ℉). The average lowest temperature is 22 ℃ (71.6 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 30.9 ℃ (87.62 ℉). At the end of July you can expect higher temperatures, the average highest temperature is around 31.25 ℃ (88.25 ℉). The average rainfall is 238.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:23 (hours and minutes), in the middle of the month 12:22 and at the end of the month 12:20.These numbers above are valid primarily for the capital and the area around it.

August

Typical (usual) weather in French Guiana in August is this: The average highest temperature in French Guiana in August is 31.6 ℃ (88.88 ℉). The average lowest temperature is 22.4 ℃ (72.32 ℉). At the beginning of August you can expect lower temperatures, the average highest temperature is around 31.25 ℃ (88.25 ℉). At the end of August you can expect higher temperatures, the average highest temperature is around 32.2 ℃ (89.96 ℉). The average rainfall is 165.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:20 (hours and minutes), in the middle of the month 12:17 and at the end of the month 12:13.These numbers above are valid primarily for the capital and the area around it.

September

Typical (usual) weather in French Guiana in September is this: The average highest temperature in French Guiana in September is 32.8 ℃ (91.04 ℉). The average lowest temperature is 22 ℃ (71.6 ℉). At the beginning of September you can expect lower temperatures, the average highest temperature is around 32.2 ℃ (89.96 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 32.7 ℃ (90.86 ℉). The average rainfall is 74 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:13 (hours and minutes), in the middle of the month 12:09 and at the end of the month 12:05.These numbers above are valid primarily for the capital and the area around it.

October

Typical (usual) weather in French Guiana in October is this: The average highest temperature in French Guiana in October is 32.6 ℃ (90.68 ℉). The average lowest temperature is 21.9 ℃ (71.42 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 32.7 ℃ (90.86 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 32 ℃ (89.6 ℉). The average rainfall is 79.8 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:05 (hours and minutes), in the middle of the month 12:01 and at the end of the month 11:58.These numbers above are valid primarily for the capital and the area around it.

November

Typical (usual) weather in French Guiana in November is this: The average highest temperature in French Guiana in November is 31.4 ℃ (88.52 ℉). The average lowest temperature is 23 ℃ (73.4 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 32 ℃ (89.6 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 30.45 ℃ (86.81 ℉). The average rainfall is 153.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:58 (hours and minutes), in the middle of the month 11:54 and at the end of the month 11:52.These numbers above are valid primarily for the capital and the area around it.

December

Typical (usual) weather in French Guiana in December is this: The average highest temperature in French Guiana in December is 29.5 ℃ (85.1 ℉). The average lowest temperature is 23.5 ℃ (74.3 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 30.45 ℃ (86.81 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around 29.5 ℃ (85.1 ℉). The average rainfall is 357.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:52 (hours and minutes), in the middle of the month 11:50 and at the end of the month 11:50.These numbers above are valid primarily for the capital and the area around it.

Below are average values, so you can consider them typical weather in French Guiana in these places. The sign '-' means we don't have enough data for this item.

Martin de Vivi!estemperature: 16.4 ℃ (61.52 ℉)highest temperature: 18.6 ℃ (65.48 ℉)lowest temperature: 13.6 ℃ (56.48 ℉)rainfall: 81.9mmrainy days: -
Port aux Francaistemperature: 6.8 ℃ (44.24 ℉)highest temperature: 10.6 ℃ (51.08 ℉)lowest temperature: 3.7 ℃ (38.66 ℉)rainfall: 56.6mmrainy days: -
St. Laurent Du Maronitemperature: 26.2 ℃ (79.16 ℉)highest temperature: 30.7 ℃ (87.26 ℉)lowest temperature: 23.2 ℃ (73.76 ℉)rainfall: 242.2mmrainy days: -
Cayennetemperature: 26.4 ℃ (79.52 ℉)highest temperature: 29.5 ℃ (85.1 ℉)lowest temperature: 23.5 ℃ (74.3 ℉)rainfall: 357.2mmrainy days: -
St. Georges De LOyapocktemperature: 25.8 ℃ (78.44 ℉)highest temperature: 30.4 ℃ (86.72 ℉)lowest temperature: 22.5 ℃ (72.5 ℉)rainfall: 347.6mmrainy days: -
Maripasoulatemperature: 27.5 ℃ (81.5 ℉)highest temperature: 31.2 ℃ (88.16 ℉)lowest temperature: 21.8 ℃ (71.24 ℉)rainfall: 201.7mmrainy days: -




When you read about the number of mm of rainfall, you should know this: Light rain is when the precipitation rate is less than 2.5 mm (0.1 in) per hour. For moderate rain this number is between 2.5 mm and 10 mm (0.4 in), for heavy rain it is 10 mm - 50 mm (2.0 in). Violent rain has this number higher than 50 mm per hour.