Climate and monthly weather forecastMana, French Guiana

The climate of Mana

Noted for its tropical rainforest climate as classified by the Köppen scale, Mana in French Guiana sustains similar conditions throughout the year. Owing to its equatorial position, temperature fluctuations are relatively modest, while humidity bears a significant influence on perceived weather conditions. Over the year, temperatures vary between 22.2°C (72°F) and 33.1°C (91.6°F), reflecting a consistency typical to tropical zones.

Examining precipitation patterns, one observes a significant shift in rainfall, ranging from a low of 23mm (0.91") during October to a high of 137mm (5.39") in May. The number of rainfall days follows a parallel trend with upwards of 28 days bearing precipitation in May, tapering to almost half at approximately 11.6 days in October. Despite such variations, humidity maintains a fairly high average, balancing between 77% and 88% over the year.

Winds also exhibit slight variations, averaging wind speeds range from 6.4km/h (4mph) to 9.5km/h (5.9mph). Likewise, the amount of sunlight seen in Mana shows a moderate range, increasing from 5.1 hours per day in February to a peak of 9.1 hours per day in September. The cloud cover follows an inverse trend to sunlight hours, oscillating between 34% and 62% during the same phase.

The best time to visit Mana

For sun-seekers and those wishing to maximise time outdoors, September proves to be an optimal choice. With an average of 9.1 hours of sunshine per day, combined with a low rainfall of 26mm (1.02"), conditions align optimally for outdoor pursuits. A relatively low cloud cover of 34% ensures clear skies throughout much of the day. Moreover, the maximum temperature of 32.7°C (90.9°F), paired with a sea temperature of 28.2°C (82.8°F), lends itself to beach activities and water sports.

The worst time to visit Mana

Those wary of heavy rainfall and high humidity may want to avoid the months of May and June. While these months sustain relatively high temperatures, with maximum averages hovering around 29.5°C (85.1°F), these periods register the highest rainfall with 137mm (5.39") and 135mm (5.31"), respectively. Coupled with a high range of humidity, from 86% to 88%, and more than 24 days of rainfall, these conditions might deter those seeking a predominantly dry and sunny climate.

Spring weather in Mana

In Mana, springtime spans from March to May. Despite the monotonous nature of its tropical climate, spring does bring about noticeable changes. April witnesses an intense rise in rainfall, jumping to 91mm (3.58") from the preceding month’s 46mm (1.81"). Correspondingly, rainfall days increase to 24.6 days, compared to 25.3 days in March. A slight but noticeable inching up of temperature parallels these changes, with averages moving from 29.5°C (85.1°F) to 23.1°C (73.6°F).

Summer weather in Mana

The summer months from June to August in Mana are characterised by a mild drop in precipitation rates, falling from 135mm (5.31") in June to 66mm (2.6") in August. A noticeable rise in sunshine hours also graces this period, increasing steadily from 7.1 hours in June to 8.7 hours by August. Moisture content remains on the higher end, however, with relative humidity fluctuating from 86% to 82%.

Autumn weather in Mana

September commences the autumn season in Mana, a period that extends until November. September witnesses a further drop in rainfall, plunging to 26mm (1.02") coupled with a decrease in the average number of rainfall days to 11.6. A substantial increase in the sunlight hours becomes evident, peaking at 9.1 hours per day in September, and gradually receding to 8.7 hours per day in November. Temperature averages display a mild increase, peaking at 33.1°C (91.6°F) in October.

Winter weather in Mana

Winter months, spanning from December to February, manifest a distinct shift in weather conditions in Mana. Rainfall takes an upward turn once again, rising to 84mm (3.31") in December from 58mm (2.28") in November. A proportional increase in rainfall days accompanies the increase in precipitation. Conversely, sunlight hours witness a slight reduction, settling at an average of 6.6 hours per day by December. Average temperatures during winter months remain fairly constant, hovering around 29 to 30°C (86°F).

Weather in January

Compared to the rest of the year, January in Mana, French Guiana showcases a stable weather pattern. Despite the continuous hovering of the thermometer in the 29.4°C (84.9°F) range, a relative humidity of 82% signifies a humid start of the year. Weather in January »

Weather in February

It is quite a brief transition from January to February in Mana, French Guiana, as the temperatures do not diverge significantly, reaching a maximum of 29.1°C (84.4°F). Cloud cover increases slightly to 62%, creating more shelter from the sun. Weather in February »

Weather in March

March ushers in an incrementally higher temperature in Mana, maxing at 29.5°C (85.1°F). The gradual hike in temperature brings in the scent of the oncoming warmer months. Despite minor shifts in weather components, the overall weather of the city remains composed and customary. Weather in March »

Weather in April

While the temperature peaks slightly higher at 29.7°C (85.5°F) in April, the overall weather in Mana significantly mirrors its March counterpart. A slight uptick in cloud cover percentage at 59% subtly shades the city under a semi-clouded sky. Weather in April »

Weather in May

The weather in May indicates a transition period, as the maximum temperature slightly dips to 29.5°C (85.1°F). Mana encounters higher rainfall, resulting in more wet days compared to April. A stroll along the beach might be a little bluster as the town experiences decreased wind speed at 8.2km/h (5.1mph). Weather in May »

Weather in June

June marks the beginning of a new chapter in Mana's annual weather outline. With 88% relative humidity, the city is notably more humid. The rain embraces the city quite frequently, providing a much-needed break from the increasingly scorching sun. Weather in June »

Weather in July

The city of Mana in July experiences a slight uptick in temperatures, with the mercury reaching 30.6°C (87.1°F). The level of humidity drops but remains moderately high, creating a noticeably muggy ambiance. A decrease in rainfall days marks the month of July. Weather in July »

Weather in August

August brings with it warm days in Mana, as the temperature climbs to 32°C (89.6°F). The month witnesses a decline in the number of rainy days as compared to those in July. A drop in relative humidity to 82% breaks the constant pattern of high humidity. Weather in August »

Weather in September

Peak heat is expected in Mana in September, with temperatures soaring to a high of 32.7°C (90.9°F)—the hottest month of the year. A dip in the rainfall reading can make outdoor activities more appealing. Coastal winds maintain a steady pace, allowing for a pleasant evening by the water. Weather in September »

Weather in October

October in Mana brings a slight relief as the temperature drops to 33.1°C (91.6°F). A pleasant breeze and decrease in rainfall offers residents a gentle break from the peak season heat. The overall environmental outline subtly indicates the upcoming transition to cooler months. Weather in October »

Weather in November

Mana experiences a slight drop in temperature in November, with thermometer readings averaging 32.4°C (90.3°F). The weather in Mana remains consistent throughout the month, with a marginal dip in relative humidity to 79%. A relatively uniform weather pattern is observed, providing continuity from October. Weather in November »

Weather in December

December brings a cooler weather pattern to Mana, with temperatures falling to 30.2°C (86.4°F), marking a distinct transition from November. Despite the drop in temperature, Mana remains humid with an average relative humidity of 83%. Weather in December »