Climate and monthly weather forecastJavouhey, French Guiana
Climate and monthly weather forecast
The climate of Javouhey
Javouhey, a locale in French Guiana, showcases a predominate climate type classified as Af under the Köppen climate division. This categorization refers to the Tropical rainforest climate, characterized by consistently high temperatures and an abundance of rainfall throughout the year. Its geographical position, near the equator, ensures high humidity levels as well, completing the stereotypical tropical panorama.Tracking changes in weather parameters over the year reveals interesting patterns. For instance, the annual average temperature varies from 22.4°C (72.3°F) to 33.1°C (91.6°F). Most notable is perhaps the uniformity of these temperature ranges with minimum fluctuations. An examination of the humidity data indicates relatively high values ranging from 77% to 88%, which complement the tropical climate.
Rainfall is a salient feature of Javouhey's climate. Values for precipitation vary widely, from a low of 23mm (0.91") in October to a high of 137mm (5.39") seen in May. The frequency of rainy days echoes this pattern as well, falling to a low of 11.5 days in September and reaching a whopping 28 days in May.
It is noteworthy that the sunshine hours swing from 5.1 hours to 9.1 hours between the drier and rainier periods of the year. The UV index mostly stays between 6 and 7 during all the months, making sun protection crucial throughout the year.
The best time to visit Javouhey
Keeping in mind the climatic components, the ideal time to visit Javouhey would likely be between September and November. These months earn their preference badge due to the lower precipitation rate, ranging from 23mm (0.91") to 58mm (2.28"), and the fewer rainy days, falling between 11.5 days and 13.7 days. Additionally, the temperature remains at a comfortable average, oscillating between a maximum of 32.7°C (90.9°F) to 33.1°C (91.6°F) and a minimum of 22.5°C (72.5°F) to 23°C (73.4°F). Coupled with the greatest sunshine hours ranging from 8.7 hours to 9.1 hours, these months should provide a more pleasant visit, overall.The worst time to visit Javouhey
While all months are warm, it might be advisable to avoid Javouhey from April to June. These months experience the highest rainfall, varying from 91mm (3.58") to a climax of 137mm (5.39") in May. The number of rainy days also amplifies this damp condition, rising to 24.6 days in April and peaking at 28 days in May. Despite the temperatures staying comfortably between 29.5°C (85.1°F) and 30.6°C (87.1°F), the high humidity, high rainfall, and reduced sunlight hours, between 5.5 hours to 5.9 hours, might hinder outdoor activities and sightseeing plans.Spring weather in Javouhey
The concept of spring as experienced in many temperate zones does not translate perfectly to a tropical rainforest climate such as Javouhey. Here, March, April, and May cover the nearest equivalent to a spring period. During these months, average maximum temperatures range from 29.4°C (84.9°F) to 30.6°C (87.1°F), while the minimum temperature is between 22.8°C (73°F) and 23.3°C (73.9°F). Rainfall levels are substantial, peaking at 137mm (5.39") in May, making it the wettest month of the year. During this time, wind speeds range from 8.2km/h (5.1mph) to 9.5km/h (5.9mph).Summer weather in Javouhey
The summer months of June, July, and August are marked by a slight relief from the rainfall as precipitation levels halve, ranging from 66mm (2.6") to 107mm (4.21"). The temperatures continue to be high, with maximum temperatures soaring from 30.6°C (87.1°F) to 32°C (89.6°F). Meanwhile, minimum temperatures fluctuate between 22.2°C (72°F) to 22.8°C (73°F). High levels of sunshine, from 7.1 hours to 8.7 hours a day, graces these months, enhancing the summer experience.Autumn weather in Javouhey
The months of September, October, and November reflect hints of an autumn-like condition in which rainfall significantly drops to its lowest in the entire year, swinging between 23mm (0.91") and 58mm (2.28"). Daylight and sunshine hours marginally decrease to 12.2 hours and from 8.7 hours to 7.9 hours respectively. The temperature demonstrates a slight escalation, reaching a yearly peak of 33.1°C (91.6°F) in October.Winter weather in Javouhey
In Javouhey, December, January, and February are considered 'winter' months. Despite the term, it isn't cold in these months, nor in any other time of the year for that matter. Average temperatures range from 29.1°C (84.4°F) to 32.4°C (90.3°F) at the high end and 22.4°C (72.3°F) to 23°C (73.4°F) at the low end. December and January experience a slight increase in rainfall compared to the previous months, with totals ranging from 84mm (3.31") to 58mm (2.28"). Additionally, there is a moderate amount of sunshine, varying from 6.3 hours to 7.9 hours.Weather in January
January in Javouhey, French Guiana is characterized by a balmy climate. Relative humidity is at 82%, contributing to the tropical feel. It tends to be a slightly cooler month compared to February, making it appealing for people who prefer slightly cooler conditions. Weather in January »Weather in February
Moving into February, conditions in Javouhey become slightly warmer. This day-to-night transition is complemented by an increase in relative humidity to 83%. With rainfall registering 51mm (2.01"), February is marginally drier than January. Weather in February »Weather in March
Weatherwise, March maintains the warm trend of February, with minimal changes in temperature. Relative humidity reduces slightly, leading to comfortable days. The month witnesses less rain than February with precipitation falling to 46mm (1.81"), making it an ideal time for sightseeing. Weather in March »Weather in April
April brings marginal changes in temperature and relative humidity compared to March. However, the month records a significant increase in rainfall to 91mm (3.58"). More rainfall means fewer sunshine hours. However, it is the perfect opportunity for indoor activities and to enjoy Javouhey’s culinary delights. Weather in April »Weather in May
May stands out for its high levels of rainfall in Javouhey, French Guiana. It records the highest precipitation for the first half of the year at 137mm (5.39"). The month sees temperature and relative humidity in line with April's averages, continuing the warm weather trend. Weather in May »Weather in June
As Javouhey transitions from May to June, there is a slight drop in rainfall to 135mm (5.31"). It is also the month with the lowest wind speed, registering only 6.9km/h (4.3mph). Weather conditions remain stable, with days continuing to be warm and nights pleasant. Weather in June »Weather in July
In July, Javouhey experiences steady warm weather with a notable decrease in rainfall to 107mm (4.21"). The decline in rainfall makes it an attractive month for hiking, sightseeing, and outdoor exploration. Notably, the town experiences the least cloud cover, revealing more of the beautiful tropical blue skies. Weather in July »Weather in August
August brings minor changes to weather parameters in Javouhey. It continues to be warm with rainfall registering a significant decrease to 66mm (2.6"). The dry nature of the month combined with warm temperatures offer the perfect backdrop for outdoor activities. Weather in August »Weather in September
September in Javouhey stands out for its 9.1 hours of sunshine daily. September transitions from the slightly wetter August to a drier time, with rainfall dropping to 26mm (1.02"). With less rainfall, there is an increased opportunity to indulge in a number of outdoor activities. Weather in September »Weather in October
October's climate in Javouhey, French Guiana, remains consistent with that of September. The month remains dry with only 23mm (0.91") of rainfall, the lowest for the year. It continues to be a great time for outdoor adventurers. The warm weather and low rainfall provide an excellent platform for activities like fishing and bird-watching. Weather in October »Weather in November
November is characterized by slightly higher rainfall compared to October with precipitation at 58mm (2.28"). Warm temperatures continue in Javouhey despite November being the arrival period of cooler months in many parts of the world. Weather in November »Weather in December
In December, Javouhey's weather conditions begin to shift. This is evidenced by an increase in rainfall to 84mm (3.31"). However, the city continues to enjoy warm temperatures, unlike many parts of the world experiencing winter. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Javouhey, French Guiana
The warmest month (with the highest average high temperature) is October (33.1°C).
The month with the lowest average high temperature is February (29.1°C).
The month with the highest average low temperature is May (23.3°C).
The coldest month (with the lowest average low temperature) is July (22.2°C).
Average pressure
Javouhey, French Guiana
- Average pressure in January:
1012mbar - Average pressure in February:
1011.8mbar - Average pressure in March:
1012mbar - Average pressure in April:
1011.9mbar - Average pressure in May:
1012.2mbar - Average pressure in June:
1012.9mbar
- Average pressure in July:
1012.9mbar - Average pressure in August:
1012.4mbar - Average pressure in September:
1011.6mbar - Average pressure in October:
1010.3mbar - Average pressure in November:
1009.5mbar - Average pressure in December:
1010.9mbar
The months with the highest atmospheric pressure are June and July (1012.9mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).
Average wind speed
Javouhey, French Guiana
- Average wind speed in January:
9.1km/h - Average wind speed in February:
9.5km/h - Average wind speed in March:
9.5km/h - Average wind speed in April:
9.1km/h - Average wind speed in May:
8.2km/h - Average wind speed in June:
6.9km/h
- Average wind speed in July:
6.4km/h - Average wind speed in August:
6.8km/h - Average wind speed in September:
7.7km/h - Average wind speed in October:
8.2km/h - Average wind speed in November:
8.4km/h - Average wind speed in December:
8.7km/h
The windiest months (with the highest average wind speed) are February and March (9.5km/h).
The calmest month (with the lowest average wind speed) is July (6.4km/h).
Average humidity
Javouhey, French Guiana
The month with the highest relative humidity is June (88%).
The month with the lowest relative humidity is October (77%).
Average rainfall
Javouhey, French Guiana
- Average rainfall in January:
54mm - Average rainfall in February:
51mm - Average rainfall in March:
46mm - Average rainfall in April:
91mm - Average rainfall in May:
137mm - Average rainfall in June:
135mm
The wettest month (with the highest rainfall) is May (137mm).
The driest month (with the least rainfall) is October (23mm).
Average rainfall days
Javouhey, French Guiana
- Average rainfall days in January:
23.6 days - Average rainfall days in February:
23.7 days - Average rainfall days in March:
25.3 days - Average rainfall days in April:
24.6 days - Average rainfall days in May:
28 days - Average rainfall days in June:
25.6 days
- Average rainfall days in July:
24.5 days - Average rainfall days in August:
19 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
13.7 days - Average rainfall days in December:
21.9 days
The month with the highest number of rainy days is May (28 days).
The month with the least rainy days is September (11.5 days).
Average daylight / Average sunshine
Javouhey, French Guiana
- Average daylight in January:
11h and 48min - Average daylight in February:
11h and 54min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 12min - Average daylight in May:
12h and 24min - 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 18min - Average sunshine in February:
5h and 6min - Average sunshine in March:
5h and 24min - Average sunshine in April:
5h and 30min - Average sunshine in May:
5h and 54min - Average sunshine in June:
7h and 6min
- Average sunshine in July:
8h and 0min - Average sunshine in August:
8h and 42min - Average sunshine in September:
9h and 6min - Average sunshine in October:
8h and 42min - Average sunshine in November:
7h and 54min - Average sunshine in December:
6h and 36min
The month with the most sunshine is September (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days
Javouhey, French Guiana
- Average sunshine days in January:
4.8 days - Average sunshine days in February:
3.1 days - Average sunshine days in March:
2.9 days - Average sunshine days in April:
2.7 days - Average sunshine days in May:
1.8 days - Average sunshine days in June:
3 days
- Average sunshine days in July:
4.5 days - Average sunshine days in August:
8.7 days - Average sunshine days in September:
14.6 days - Average sunshine days in October:
16 days - Average sunshine days in November:
13.4 days - Average sunshine days in December:
6.4 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is May (1.8 days).
Average UV index
Javouhey, French Guiana
The months with the highest UV index are July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).
Average cloud cover
Javouhey, French Guiana
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility
Javouhey, French Guiana
The months with the highest visibility are February, March and April (9km).
The months with the lowest visibility are June, July and August (7km).





