The climate of Yonibana
Located in
Sierra Leone,
Yonibana falls under Am Köppen climate classification featuring a predominantly tropical monsoon climate. This climate classification is distinguished by its hefty rainfall during the wet months accompanied by a shorter dry period. Yonibana's climate conditions stay quite stable throughout the year, with annual temperatures keeping on a higher scale from 19.8°C (67.6°F) to 38.3°C (100.9°F), exhibiting both the hot nature of this region and its tropical character. Yonibana experiences its highest temperatures between
February and
May, with a peak temperature of 38.3°C (100.9°F) in
March.
Relative humidity remains on the higher end throughout the year with levels fluctuating between 60% in February to 93% in
August, coupled with overall average cloud coverage ranging from 16% in
January up to 84% in August. This goes hand in hand with the perception of a tropical climate, with high humidity levels signifying the moisture-laden air and the increased cloud cover indicating the regular bouts of precipitation received.
Rainfall throughout the year is inconsistent, with distinct dry and wet seasons. From January to March, rainfall remains comparatively low, taking a huge leap in
April, peaking at 299mm (11.77") in August, and finally tapering off in
November and
December reaching only 4mm (0.16"). A pattern that clearly displays a monsoon climate behavior. Yonibana also displays wind modes shifting between 3.3km/h (2.1mph) in November going to 5.7km/h (3.5mph) in April and
July, while daylight hours seldom vary, hovering around 12 hours, and sunshine hours diminish considerably from 9.8 hours in January to 3.6 hours in August.
The best time to visit Yonibana
When considering weather conditions for travel plans, the months of
December through
February emerge as the optimal period to visit
Yonibana. These are the months when temperatures are comparatively cooler, hovering between 19.8°C (67.6°F) to 37.8°C (100°F). Rainfall is minimal with rainfall days ranging from 2.2 to 3.4 days per month, meaning that interruptions to outdoor activities will be least. Besides, the proactive sunshine duration of up to 9.8 hours in
January and a UV index of 7 offer ample opportunity to partake in outdoor tourist activities.
The worst time to visit Yonibana
Contrarily, the period from
July to
October count as the least favorable for visiting
Yonibana. The heavy monsoon precipitation prevalent during these months sees monthly rainfall totals reach staggering heights of 264mm (10.39") to 299mm (11.77"). This is accompanied by an escalated cloud presence and the lowest sunshine hours decreasing to 3.6 hours. Furthermore, the escalated humidity levels ranging from 91% to 93% may be discomforting for many, curtailing outdoor enjoyment.
Spring weather in Yonibana
Spring in
Yonibana, around
March to
May, witnesses increasing temperatures up to 38.3°C (100.9°F). While the early spring sees minimal rain, from
April the rainfall indices take an upward trend with rainfall reaching up to 51mm (2.01"). Gradually escalating humidity levels start to be noticeable from April, climbing from 61% to 65%, while increasing cloud cover, reducing sunshine hours and increasing daylight hours indicate the transition towards the monsoon.
Summer weather in Yonibana
Summer, from
June to
August, typically displays
Yonibana’s monsoon characteristics. Temperatures remain relatively stable from 28.7°C (83.7°F) in June to a low of 27.7°C (81.9°F) in August. High humidity levels peak at 93% in August, aligned with heavy downpour most days, with rainfall totals reaching 299mm (11.77"), and cloud coverage of 84%. Notably, sunshine hours are lowest during this period, bottoming at 3.6 hours in August.
Autumn weather in Yonibana
The autumn months of
September to
November observe a gradual dwindling of monsoon characteristics. Although September is relatively wet with 249mm (9.8") of rainfall, by November it significantly decreases to 67mm (2.64"). Temperatures start to rise, with an average of 30.7°C (87.3°F) in September to 31.6°C (88.9°F) in November, while relative humidity and cloud coverage also decrease, indicating the transition out of the wet season.
Winter weather in Yonibana
Winter months in
Yonibana, from
December to
February form the dry phase in Yonibana's tropical monsoon climate. Temperatures range between 19.8°C (67.6°F) to 37.8°C (100°F), supporting pleasant weather. Rainfall in these months is scanty, reaching a paltry 3mm (0.12") to 5mm (0.2"), and the humidity drops to 60% - 67%. Simultaneously, high sunshine hours of up to 9.8 in
January provide ideal conditions for outdoor exploration.
Weather in January
The start of the year in
Yonibana,
Sierra Leone experiences a mild climate with consistently sunny days.
January marks the start of the dry season, which sees less frequent rainfall and lower humidity levels. While enjoying 11.7 hours of daylight each day, residents also get to bask in sunshine for nearly 9.8 hours.
Weather in January »Weather in February
February in
Yonibana,
Sierra Leone, continues the weather pattern of
January, yet subtly enters higher temperature ranges. Precipitation remains at a minimum and the land remains relatively dry. The daylight increases slightly, and there's an almost unnoticeable shift in the sunlight hours.
Weather in February » Weather in March
March still maintains the earlier months' dry and warm pattern, though begins hinting at the upcoming rainy season. It gives way to the year’s first increase in rainfall, signaling the gradual change in the weather pattern. The increase in the average lows, from 21.1°C (70°F) to 22.9°C (73.2°F), indicates an upward temperature swing.
Weather in March »
Weather in April
April ushers in not only a noticeable rise in rainfall but also an increase in humidity. The shift from dry to wet season is ushered in by the highest increase in rainfall the city sees all year. Rainfall leaps up from 23mm (0.91") in
March to 51mm (2.01").
Weather in April » Weather in May
In contrast to the preceding months,
May in
Yonibana,
Sierra Leone sees weather that could be termed as excessively rainy. More significant changes become apparent in May, marking the middle of the rainy season. There's a noticeable drop in the average high temperature down to 34.3°C (93.7°F), coupled with an uptick in humidity up to 79%.
Weather in May »Weather in June
As the rainy season advances in
Yonibana,
Sierra Leone,
June is defined by even cooler temperatures. This is a time when the grayness of the skies begins to persist for long. The ample amount of rainfall offers relief from the sweltering heat experienced in the earlier months.
Weather in June »
Weather in July
In
Yonibana,
Sierra Leone,
July is characterized as the peak of the rainy season. The temperature continues to decline slightly, making the city a bit cooler than before. Patches of blue sky are rare with clouds dominating the weather scene.
Weather in July »Weather in August
August in
Yonibana,
Sierra Leone continues the weather trend of
July. The rain is a constant companion during this time, ensuring the city stays lush green and vibrant. It’s a slight tweaking of July's weather pattern, remaining synonymous with cloudy, overcast skies.
Weather in August » Weather in September
The rainfall recedes slightly in
September in
Yonibana,
Sierra Leone, which witnesses a marginal decrease in average highs and lows as well. It's a mirror version of
August with subtly changing weather variables. The humidity is still at the higher end of the scale, and the sun is seldom visible.
Weather in September »
Weather in October
The arrival of
October in
Yonibana,
Sierra Leone indicates the end of the rainy season, with the precipitation volume gradually tapering off. The sky starts clearing up, and the sun becomes a more regular feature. Drying signs are unmistakable as water levels fall and the cloud cover recedes.
Weather in October »Weather in November
Weather in December
Yonibana,
Sierra Leone welcomes
December with open skies and a lot more sunshine than the previous months. As the sun regains its dominion over the skies, the temperatures begin to rise yet do not reach the year's maximum. Rainfall is at its lowest in the year at 4mm (0.16"), pointing to a return of the dry season.
Weather in December »