Climate and monthly weather forecastFarnous, French Guiana
Climate and monthly weather forecast
The climate of Farnous
Farnous, French Guiana is characterized by an Af or Tropical rainforest climate according to the Köppen climate classification. This classification symbolizes an environment where all twelve months receive a minimum mean rainfall of 60mm (2.36"). The town's location near the equator also provides stable and consistent weather patterns year-round.Given the tropical nature of Farnous, the town experiences high temperatures throughout the year, with a minimal fluctuation from 27.7°C (81.9°F) to 31.6°C (88.9°F). No month witnesses a sharp plunge or rise in temperature, therefore providing comfortable warmth all year round. The lowest temperatures recorded hover between 23.8°C (74.8°F) and 24.8°C (76.6°F), affirming the consistency in temperature patterns in Farnous.
Rainfall in Farnous presents a different story. Majority of the year, the town is a recipient of abundant rainfall, peaking at a staggering 293mm (11.54") in May. A significant reduction in rain does occur around September when it dips to 23mm (0.91"), marking the driest month. The number of rainfall days also registers a substantial decline during this period, with only 12.2 days of rainfall compared to the rain-drenched month of May with 28.9 days.
The levels of humidity in Farnous remain quite constant throughout the year, holding steady around the mid-80s percentage. The relative humidity peaks at 86% in May and dips slightly to 76% during September and October. These figures exemplify Farnous' moist and humid environment derived from its tropical climate.
The best time to visit Farnous
Visitors looking to maximize their enjoyment of sun-soaked activities should consider visiting Farnous between July and October. Over these months, the number of sunshine hours goes beyond 8 hours a day, with September offering an impressive 9.2 hours. The reduction in rain and humidity during these months compliments the generous sunshine, making them an enticing period for travelers.The worst time to visit Farnous
Rain enthusiasts might have differing views but for the majority, the months from February to June might not be the best time for a visit. This period is characterized by a considerable increase in rainfall, with May standing as the wettest month, receiving up to 293mm (11.54") of rainfall.Spring weather in Farnous
Due to its location at the equator, Farnous does not experience a conventional spring season. However, if we look at the period from March to May as a comparable period, it features increasing rainfall culminating in May. The temperatures remain similar to other months, reaching highs between 28.3°C (82.9°F) and 28.6°C (83.5°F) and lows of approximately 24.2°C (75.6°F) to 24.7°C (76.5°F).Summer weather in Farnous
Like spring, Farnous does not have a typical summer season according to temperate standards. Yet, for a similar period from June to August, sunshine hours show an ample increase, making these months appear 'summer-like'. The temperatures during these months are somewhat higher, ranging from 28.8°C (83.8°F) to 30.9°C (87.6°F) and bottoming out from 23.8°C (74.8°F) to 23.9°C (75°F) at night.Autumn weather in Farnous
In lieu of a traditional autumn season, the months of September to November can be analyzed. This time frame shines through as the best period to visit. Rainfall sees a significant decrease, humidity levels fall, and sunshine hours climb to a year-high of 9.2 in September. Daily temperature varies from 30.8°C (87.4°F) to 31.6°C (88.9°F) and nighttime temperature registers from 24.5°C (76.1°F) to 24.8°C (76.6°F).Winter weather in Farnous
Tropical climates do not have winters in the conventional sense. Despite this, drawing parallels, we can consider December to February as the winters of Farnous that retain high temperatures with highs ranging from 28°C (82.4°F) to 28.8°C (83.8°F) and lows averaging around 24°C (75.2°F). Rainfall and humidity levels too remain high, keeping the environment humid and moist.Weather in January
In January, Farnous, French Guiana experiences a moderate weather pattern when compared to the rest of the year. Daylight is ample, averaging 11.9 hours per day, but sunshine accounts for about 57% of this time. The month sees the year's lowest values in terms of UV index recorded at 6 units. Weather in January »Weather in February
When considering the climatic conditions of Farnous in February, there is a relative increase in rainfall from 154mm (6.06") to 163mm (6.42"), compared to the month of January. The temperature ranges remain almost identical to the previous month with nights as mild as 23.9°C (75°F). Weather in February »Weather in March
March heralds minor changes in the weather conditions, including a slight uptick in the city's lowest recorded temperatures to 24.2°C (75.6°F). This marginally warmer weather corresponds with a small dip in the number of daylight hours to 12.1 hours. Weather in March »Weather in April
April brings along distinct changes in weather patterns in Farnous. It welcomes heavy rains, which increase from 128mm (5.04") in March to 208mm (8.19") in April. The daylight hours stretch slightly longer at 12.2 hours, despite the uptick in precipitation. Weather in April »Weather in May
May is characterized by the heaviest rainfall observed in Farnous, with it reaching to a yearly highest of 293mm (11.54"). This exceptional volume of rain comes along with continuous cloud coverage, causing a decrease in the number of sunshine hours despite an increase in daylight hours to 12.4 hours. Weather in May »Weather in June
The city experiences a significant easing off from the heavy rains as June rolls in, with rainfall dipping dramatically to 234mm (9.21") from May's 293mm (11.54"). The daylight hours remain consistent while there is a slight increase to 7.5 sunshine hours from 6.9 in May. Weather in June »Weather in July
July is a significant month for Farnous' weather as it witnesses the highest temperature peak in the year by reaching up to 29.8°C (85.6°F). In contrast to June, this period sees a marked decrease in rainfall and cloud coverage at 39%. Weather in July »Weather in August
August brings in slightly more intense weather conditions in Farnous, as temperatures peak just below 31°C (87.8°F), the highest recorded throughout the year. It also heralds the driest period of the year, with rainfall dropping to a measly 68mm (2.68"), the lowest the city will see all year. Weather in August »Weather in September
Weather conditions take a turn in September as there is a drop in temperature to 31.5°C (88.7°F) from 31.6°C (88.9°F) in August. This is accompanied by a relative increase in rainfall, though still maintaining lower rainfall numbers at 23mm (0.91"). Weather in September »Weather in October
October continues to maintain steady weather with temperatures going down a notch to 31.6°C (88.9°F) from 31.5°C (88.7°F) in September. As the month proceeds, rain makes a bit of a comeback, rising from 23mm (0.91") in September to 26mm (1.02") in October. Weather in October »Weather in November
November brings about shifting weather patterns as temperatures decrease noticeably to 30.8°C (87.4°F) from the previous month's 31.6°C (88.9°F). A marked increase in rainfall to 73mm (2.87"), nearly thrice October's total, paves way for wetter days. Weather in November »Weather in December
December is set apart by its increase in rainfall from November's 73mm (2.87") to 204mm (8.03"), marking it as one of the wetter months for Farnous. The temperature drops further, with the maximum temperature recorded to be 28.8°C (83.8°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Farnous, French Guiana
The warmest month (with the highest average high temperature) is October (31.6°C).
The month with the lowest average high temperature is February (27.7°C).
The months with the highest average low temperature are October and November (24.8°C).
The coldest months (with the lowest average low temperature) are June and July (23.8°C).
Average pressure
Farnous, French Guiana
- Average pressure in January:
1011.9mbar - Average pressure in February:
1011.7mbar - Average pressure in March:
1011.9mbar - Average pressure in April:
1011.9mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1013.1mbar
- Average pressure in July:
1013.2mbar - Average pressure in August:
1012.7mbar - Average pressure in September:
1012mbar - Average pressure in October:
1010.6mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.8mbar
The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed
Farnous, French Guiana
- Average wind speed in January:
12.2km/h - Average wind speed in February:
12.9km/h - Average wind speed in March:
12.7km/h - Average wind speed in April:
11.7km/h - Average wind speed in May:
10.5km/h - Average wind speed in June:
8.5km/h
- Average wind speed in July:
8.3km/h - Average wind speed in August:
10km/h - Average wind speed in September:
11.1km/h - Average wind speed in October:
11.1km/h - Average wind speed in November:
11.1km/h - Average wind speed in December:
11.7km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is July (8.3km/h).
Average humidity
Farnous, French Guiana
The month with the highest relative humidity is May (86%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall
Farnous, French Guiana
- Average rainfall in January:
154mm - Average rainfall in February:
163mm - Average rainfall in March:
128mm - Average rainfall in April:
208mm - Average rainfall in May:
293mm - Average rainfall in June:
234mm
The wettest month (with the highest rainfall) is May (293mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days
Farnous, French Guiana
- Average rainfall days in January:
28 days - Average rainfall days in February:
26.3 days - Average rainfall days in March:
27.2 days - Average rainfall days in April:
27.2 days - Average rainfall days in May:
28.9 days - Average rainfall days in June:
28.2 days
- Average rainfall days in July:
26.6 days - Average rainfall days in August:
19.2 days - Average rainfall days in September:
12.2 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
16.4 days - Average rainfall days in December:
25.2 days
The month with the highest number of rainy days is May (28.9 days).
The month with the least rainy days is October (11.6 days).
Average daylight / Average sunshine
Farnous, French Guiana
- Average daylight in January:
11h and 54min - Average daylight in February:
12h and 0min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 12min - Average daylight in May:
12h and 18min - Average daylight in June:
12h and 24min
- Average daylight in July:
12h and 24min - Average daylight in August:
12h and 18min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 54min - Average daylight in December:
11h and 48min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
5h and 36min - Average sunshine in March:
6h and 0min - Average sunshine in April:
6h and 12min - Average sunshine in May:
6h and 54min - Average sunshine in June:
7h and 30min
- Average sunshine in July:
8h and 18min - Average sunshine in August:
8h and 48min - Average sunshine in September:
9h and 12min - Average sunshine in October:
9h and 6min - Average sunshine in November:
8h and 42min - Average sunshine in December:
7h and 18min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days
Farnous, French Guiana
- Average sunshine days in January:
1.8 days - Average sunshine days in February:
1.3 days - Average sunshine days in March:
2.3 days - Average sunshine days in April:
1.5 days - Average sunshine days in May:
1.1 days - Average sunshine days in June:
0.9 days
- Average sunshine days in July:
2.3 days - Average sunshine days in August:
6.8 days - Average sunshine days in September:
13.6 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
11.2 days - Average sunshine days in December:
4.1 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (0.9 days).
Average UV index
Farnous, French Guiana
The months with the highest UV index are June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May and December (UV index 6).
Average cloud cover
Farnous, French Guiana
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility
Farnous, French Guiana
The months with the highest visibility are January, February, March, August, September, October and November (10km).
The months with the lowest visibility are April, May, June, July and December (9km).





