Climate and monthly weather forecastBioco, Equatorial Guinea
Climate and monthly weather forecast
The climate of Bioco
The geographical position of Bioco, Equatorial Guinea situates it within the Am zone of the Köppen climate classification. This station is characterised by a Tropical monsoon climate. Throughout the year, the climate conditions display minimal variations in temperature, with average high temperatures ranging from 25.5°C (77.9°F) in July and August to 28.5°C (83.3°F) in March and slightly lower average lows between 24.3°C (75.7°F) in August and 27.3°C (81.1°F) in March.With respect to humidity, the annual pattern sees the relative humidity lingering between 78% in January, April and December to a slightly higher 84% during July and August. The rainfall accumulation, however, exhibits a more pronounced disparity, peaking at 412mm (16.22") in July, then dramatically dropping to a low of 51mm (2.01") in December. Corresponding to this, the distribution of rainfall days echoes a similar trend, with July and August seeing the most, and January and December experiencing the least amount of rain.
Bioco experiences a relatively constant daylight range, with a minimal 12 hours in January, February, October and November, and a slightly higher 12.3 hours from May to July. Interestingly, the amount of sunshine varies more discernibly, fluctuating between 5.7 hours in August and 9.4 hours in December. The UV index remains high throughout the year, signifying a high potential for skin damage from unprotected sun exposure.
The best time to visit Bioco
Given the climate factors, the optimal time to visit Bioco would be between December and February. During this period, the climate features relatively low rainfall, ranging between 51mm (2.01") to 106mm (4.17"), making outdoor activities more appealing. The UV index is 7, which is quite high, and the average sunshine hours peak at 9.4 hours in December, extending to 9.3 hours in January. The relatively low humidity, between 78% to 79%, combined with manageable temperatures, provides a comfortable environment for a wide array of activities.The worst time to visit Bioco
The least favorable time to visit Bioco is from June to August due to a combination of factors. The humidity escalates to its peak, reaching up to 84%, while the rainfall intensifies, accumulating over 389mm (15.31") to the maximum of 412mm (16.22") in July. Simultaneously, the daylight time remains constant but the sunshine hours decrease significantly, cutting recreational daylight to only 5.9 hours in July and 5.7 hours in August. Consequently, these conditions tend to trigger discomfort and limit outdoor activities.Spring weather in Bioco
The months of March, April, and May bring about a subtle shift in Bioco's climate. High temperatures slightly vary from 28.5°C (83.3°F) in March to 28.2°C (82.8°F) in May, while the lower temperatures reflect a similar pattern, from 27.3°C (81.1°F) to 26.9°C (80.4°F). The rainfall amount slightly escalates, increasing from 171mm (6.73") in March to 245mm (9.65") in May, while the number of rainfall days shows a slight increase. However, the climate remains pleasant, with the hours of daylight increasing progressively from 12.1 to 12.3 hours.Summer weather in Bioco
The summer months of June, July, and August introduce the monsoon season in Bioco. The average high temperatures slightly drop to 26.8°C (80.2°F) in June and maintaining at 25.5°C (77.9°F) for July and August. However, rainfall peaks during these months, reaching 389mm (15.31") in June and peaking at 412mm (16.22") in July before subsiding to 334mm (13.15") in August. The number of rainfall days correspondingly increases, leading up to a peak of 30 days in July.Autumn weather in Bioco
Autumn is characterized by a gradual return to less intense weather conditions. From September to November, the high temperatures start to rise again from 25.6°C (78.1°F) to 27.5°C (81.5°F) whereas the low temperatures increase slightly from 24.6°C (76.3°F) to 26.2°C (79.2°F). The rainfall amounts begin to decrease, from 298mm (11.73") in September, to 241mm (9.49") in October, further down to 134mm (5.28") in November, indicating a reduction in rainfall days.Winter weather in Bioco
Temperature-wise, Winter in Bioco differs little from other seasons, with a narrow range between 27.5°C (81.5°F) and 27.6°C (81.7°F) for high temperatures and 26.2°C (79.2°F) to 26.3°C (79.3°F) for lows. Rainfall significantly reduces, falling to 51mm (2.01") in December, with only 21.3 rainfall days. The amount of sunshine hours rebounds to a yearly high of 9.4 hours in December, providing ample opportunities for outdoor activities despite the winter season.Weather in January
In Bioko, Equatorial Guinea, January invites a mild start to the year with optimum relative humidity. Occasional showers adorn the landscape, signifying an onset of the brief dry season. With temperatures staying high, ranging from 26.3°C (79.3°F) to 27.8°C (82°F), this offshore island experiences quite humid conditions. Weather in January »Weather in February
Transitioning into February, the conditions in Bioko shift marginally, indicating a slow progression towards wetter climate. The temperature remains nearly constant, hardly fluctuating from the previous month. Besides, a moderate visibility distance indicates relatively clearer skies. Weather in February »Weather in March
March marks the advent of the prolonged wet season in Bioko, which becomes evident with an increase of rainfall to 171mm (6.73"). The weather sees a noticeable shift in the direction of the monsoon, as the humidity stays consistent with previous months. Weather in March »Weather in April
April continues the trend of the ascending wet season with fairly consistent rainfall and relative humidity. The temperature remains within the same range, maintaining an air of consistency throughout these months. Skies turn cloudy, hinting at an impending intense wet phase. Weather in April »Weather in May
The weather in Bioko during May reports a dramatic peak in rainfall to 245mm (9.65"), indicating the heights of the wet season. Despite the intermittent showers, the temperature stays within a comfortable bracket. The sky, cloaked in thick clouds, masks the sun for the most part. Weather in May »Weather in June
As June rolls in, Bioko braces itself for the peak of the rainy season with a heightened relative humidity of 81%. It not only keeps temperatures down but also lends a moist texture to the air. Cloud cover dominates the skyline, allowing sparse sunshine. Weather in June »Weather in July
July boasts the maximum rainfall of the year at 412mm (16.22"), marking the climax of the wet season in Bioko. Soaring humidity combines with soft sunlight to present a unique weather spectacle. Despite heavy showers, temperatures remain relatively stable, avoiding any extreme summer heat. Weather in July »Weather in August
Even with a dip in rainfall, August still experiences pronounced wet conditions in Bioko. The wind picks up its pace and gusts, creating a noticeable din. Temperature continues to stay within its usual scale, maintaining the year-round warm character of the region. Weather in August »Weather in September
With September, Bioko begins to witness a retreat of monsoon as the rainfall eases down to 298mm (11.73"). However, the humidity remains high, and the predominant cloud cover recalls lingering monsoon memories. Temperatures, too, begin to rise slowly, hinting at the forthcoming dry period. Weather in September »Weather in October
October comes as a herald of drier times for Bioko, with a visible decrease in rainfall. The temperature continues to escalate, bringing back the balmy tropical weather. Gusty winds take a break, enabling clearer skies and heightened visibility. Weather in October »Weather in November
The weather in November sees a substantial drop in rainfall to 134mm (5.28"), signifying the end of the rainy season. The temperature continues on an upward trend, lending a warm touch to the approaching holiday season. The relative humidity takes a plunge, indicating more clear days and comfortable nights. Weather in November »Weather in December
December rounds out the year in Bioko with minimal rainfall at just 51mm (2.01"), bringing a much-anticipated dry phase. The higher temperatures reciprocate the holiday cheer as the island starts glowing in sunshine. Even with minor temperature fluctuations, it is an absolute delight to soak in the sunlit hours. Weather in December »Updated: Jan 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, April, May and December, with an average relative humidity of 78%, are the least humid months in Bioco.
In Bioco, during the entire year, the rain falls for 318.9 days and collects up to 2594mm (102.13") of precipitation.
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Bioco.
March is the month that records the highest temperatures, with averages ranging from a high of 28.5°C (83.3°F) to a low of 27.3°C (81.1°F).
June has the longest days of the year, with an average of 12h and 18min of daylight.
During July and August, Bioco registers its lowest temperatures, averaging a high of 25.5°C (77.9°F).
The months with the highest humidity are July and August, with an average relative humidity of 84%.
The month with the most rainfall in Bioco, Equatorial Guinea, is July, when the rain falls for 30 days and typically aggregates up to 412mm (16.22") of precipitation.
July and August, with an average maximum UV index of 6, are months with the lowest UV index in Bioco.
The month with the least sunshine is August, with an average of 5.7h of sunshine.
The month with the least rainfall is December, when the rain falls for 21.3 days and typically collects 51mm (2.01") of precipitation.
December has the shortest days of the year, with an average of 11h and 54min of daylight.
Bioco, Equatorial Guinea, does not observe Daylight Saving Time (DST). WAT timezone is used over the entire year.
December has the most sunshine of the year, with an average of 9.4h of sunshine.
Average temperature
Bioco, Equatorial Guinea
The warmest month (with the highest average high temperature) is March (28.5°C).
The months with the lowest average high temperature are July and August (25.5°C).
The month with the highest average low temperature is March (27.3°C).
The coldest month (with the lowest average low temperature) is August (24.3°C).
Average pressure
Bioco, Equatorial Guinea
- Average pressure in January:
1010.6mbar - Average pressure in February:
1009.8mbar - Average pressure in March:
1009.8mbar - Average pressure in April:
1010.1mbar - Average pressure in May:
1011.2mbar - Average pressure in June:
1013mbar
- Average pressure in July:
1013.6mbar - Average pressure in August:
1013.5mbar - Average pressure in September:
1012.8mbar - Average pressure in October:
1011.3mbar - Average pressure in November:
1010.3mbar - Average pressure in December:
1010.4mbar
The month with the highest atmospheric pressure is July (1013.6mbar).
The months with the lowest atmospheric pressure are February and March (1009.8mbar).
Average wind speed
Bioco, Equatorial Guinea
- Average wind speed in January:
10.9km/h - Average wind speed in February:
11.8km/h - Average wind speed in March:
11.6km/h - Average wind speed in April:
10.2km/h - Average wind speed in May:
9.7km/h - Average wind speed in June:
11.4km/h
- Average wind speed in July:
13.1km/h - Average wind speed in August:
13.6km/h - Average wind speed in September:
11.2km/h - Average wind speed in October:
10km/h - Average wind speed in November:
10km/h - Average wind speed in December:
10.3km/h
The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is May (9.7km/h).
Average humidity
Bioco, Equatorial Guinea
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are January, April, May and December (78%).
Average rainfall
Bioco, Equatorial Guinea
- Average rainfall in January:
66mm - Average rainfall in February:
106mm - Average rainfall in March:
171mm - Average rainfall in April:
147mm - Average rainfall in May:
245mm - Average rainfall in June:
389mm
- Average rainfall in July:
412mm - Average rainfall in August:
334mm - Average rainfall in September:
298mm - Average rainfall in October:
241mm - Average rainfall in November:
134mm - Average rainfall in December:
51mm
The wettest month (with the highest rainfall) is July (412mm).
The driest month (with the least rainfall) is December (51mm).
Average rainfall days
Bioco, Equatorial Guinea
- Average rainfall days in January:
21.3 days - Average rainfall days in February:
23.1 days - Average rainfall days in March:
27.5 days - Average rainfall days in April:
25.6 days - Average rainfall days in May:
28.7 days - Average rainfall days in June:
29.3 days
- Average rainfall days in July:
30 days - Average rainfall days in August:
30.1 days - Average rainfall days in September:
28.5 days - Average rainfall days in October:
27.6 days - Average rainfall days in November:
25.9 days - Average rainfall days in December:
21.3 days
The month with the highest number of rainy days is August (30.1 days).
The months with the least rainy days are January and December (21.3 days).
Average daylight / Average sunshine
Bioco, Equatorial Guinea
- Average daylight in January:
12h and 0min - 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 18min
- Average daylight in July:
12h and 18min - Average daylight in August:
12h and 12min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 0min - Average daylight in November:
12h and 0min - Average daylight in December:
11h and 54min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in January:
9h and 18min - Average sunshine in February:
9h and 6min - Average sunshine in March:
9h and 0min - Average sunshine in April:
8h and 42min - Average sunshine in May:
8h and 24min - Average sunshine in June:
7h and 30min
- Average sunshine in July:
5h and 54min - Average sunshine in August:
5h and 42min - Average sunshine in September:
7h and 0min - Average sunshine in October:
7h and 42min - Average sunshine in November:
9h and 0min - Average sunshine in December:
9h and 24min
The month with the most sunshine is December (Average sunshine: 9h and 24min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).
Average sunshine days
Bioco, Equatorial Guinea
- Average sunshine days in January:
5.8 days - Average sunshine days in February:
3.2 days - Average sunshine days in March:
2.8 days - Average sunshine days in April:
2.9 days - Average sunshine days in May:
1.7 days - Average sunshine days in June:
0.3 days
- Average sunshine days in July:
0.5 days - Average sunshine days in August:
0.3 days - Average sunshine days in September:
1.1 days - Average sunshine days in October:
2.7 days - Average sunshine days in November:
3.1 days - Average sunshine days in December:
5.4 days
The month with the most sunshine days is January (5.8 days).
The months with the least sunshine days are June and August (0.3 days).
Average UV index
Bioco, Equatorial Guinea
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover
Bioco, Equatorial Guinea
The month with the most cloud cover is August (Cloud cover 59).
The month with the least cloud cover is December (Cloud cover 20).
Average visibility
Bioco, Equatorial Guinea
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).
