The climate of Yana
Nestled in
Sierra Leone,
Yana is characterised by the Aw Köppen climate classification, indicating a typical tropical weather profile. The region experiences an interesting blend of the wet and dry savanna climate.
Throughout the year, the temperature in Yana shows a slight fluctuation. It peaks at roughly 39°C (102.2°F) in
March and dips to about 26.8°C (80.2°F) in
August. The lowest recorded temperatures lie between 18.1°C (64.6°F) and 22.8°C (73°F) from
January to
December, making it a relatively warm region year-round.
Humidity follows a steady pattern in Yana, with a moderate 43% in January escalating to a peak of 94% by August. Rainfall, too, presents an interesting trend. A scant 1mm (0.04") in the dry months of January and
February is replaced by a torrent of up to 436mm (17.17") in the height of monsoon, August. The number of wet days in these periods mirrors the rainfall, starting from just a single day in January up to nearly the entire month in August.
Almost a direct opposite, sunshine hours decrease as rainfall increases, from around 9.9 hours per day in January to just 3.8 hours in August. The greatest percentage of cloud cover follows this trend, revealing an increase from January to August.
The best time to visit Yana
Given the weather patterns, the key to selecting an optimal time to visit
Yana is in aligning individual preferences with the climate's rhythms. The months from
November through
February present the most appealing weather conditions for most tourists. With high temperatures ranging from 32°C (89.6°F) to 37.7°C (99.9°F), and averaging 9.9 hours of sunlight, these months also see minimal rainfall, less than 10mm (0.39") collectively. This should make for comfortable sightseeing and travel.
The worst time to visit Yana
The months of
June,
July, and
August may be the most challenging time to visit
Yana. In this period, the city experiences its highest rainfall, with August receiving a massive 436mm (17.17") spread over virtually every day of the month. Simultaneously, sunshine hours reduce significantly, averaging between 3.8 hours and 4.9 hours a day. Hence, these months may not offer optimal conditions for sightseeing or outdoor activities.
Spring weather in Yana
Using the seasonal calendar, although not perfectly in line with temperate regions,
Yana sees the start of the rain in
March, which can be likened to a tropical version of spring. From March through
May, temperatures vary between 35.2°C (95.4°F) to 39.2°C (102.6°F) during the day and 20°C (68°F) to 22.8°C (73°F) at night. Rainfall increases steadily from 7mm (0.28") to 127mm (5") with an increase in wet days from nearly 6 to 24 days. While humidity rises, sunshine hours decline from 9.6 to 8.6.
Summer weather in Yana
Tropical summer in
Yana stretches from
June to
September. This season sees the heaviest rainfall, ranging from 231mm (9.09") to 436mm (17.17"), with almost every day being a wet day. Temperatures slip down to a range of 26.8°C (80.2°F) to 31.2°C (88.2°F) during the day and 20.8°C (69.4°F) to 22°C (71.6°F) at night, making it cooler than the preceding months. The amount of sunlit hours is also lower, between 3.8 and 5.7 hours per day.
Autumn weather in Yana
Yana's version of autumn transpires from
October to
November. A decrease in rainfall from 177mm (6.97") to 58mm (2.28") commences the end of the rainy season. With dropping humidity levels, the number of clear sky days increases. Temperatures remain enjoyable from 30.5°C (86.9°F) to 32°C (89.6°F) during the day and 20.8°C (69.4°F) to 20.4°C (68.7°F) at night.
Winter weather in Yana
The months of
December,
January and
February represent
Yana's dry season or its tropical equivalent of winter. With humidity at the year's lowest, between 43% and 51%, and virtually no rainfall, weather conditions are optimal for outdoor activities. Day temperatures hover between 33.4°C (92.1°F) and 35.4°C (95.7°F), while nights cool down to between 18.1°C (64.6°F) and 20°C (68°F). Sunshine hours peak at 9.9 hours per day, offering plenty of natural light for day trips.
Weather in January
The arrival of the New Year brings mild weather conditions to
Yana,
Sierra Leone. A touch cooler than the preceding month -
December,
January experiences a decrease in temperature, becoming distinctly more pleasant. This month is associated with comparatively clear skies, considerably less rainfall, and serene winds.
Weather in January »Weather in February
Progressing towards
February, the weather conditions in
Yana continue on the dry and pleasant trajectory established in
January. The temperature progressively increments, slightly pushing the upper temperature limit. Notwithstanding the increase in temperature, the weather remains comfortable, courtesy of the stable wind flow and decreasing rainfall.
Weather in February »Weather in March
Navigating into
March, the temperature in
Yana continues its ascent, signifying a trend towards warmer conditions. The meteorological scenario shifts from the dry spells of the previous couple of months to a gradual resurgence of wet conditions.
Weather in March »
Weather in April
As
April steps in,
Yana continues to heat up with the increasing temperature trend persisting from
March. The climate exhibits a significant inclination towards wetter conditions, delineated by an increase in rainfall and relative humidity.
Weather in April »Weather in May
Yana steps into full-blown wet season transition in
May. The temperatures decrease slightly compared to previous monthe -
April, yet the humidity levels soar. A stark contrast to the dry conditions of the initial months of the year, a marked increase in rainfall characterizes May.
Weather in May » Weather in June
June sees the continuation of the wet season in
Yana. However, a steep decrease in the daily sunshine hours transpires, resulting in shorter days. The temperature follows an overall decreasing trend, which offsets the increased humidity.
Weather in June »
Weather in July
July in
Yana features persistent rainfall, along with a plunge in the daily sunshine hours to the lowest in the year. This month is characterized by wet, overcast conditions, a further drop in temperature, and an escalation in the relative humidity.
Weather in July » Weather in August
August replicates the meteorological characteristics of
July, with continuous rainfall, overcast skies, and high humidity. Considerably cloudy conditions and decreased daily sunshine hours are hallmarks of this month. August surpasses all the previous months, recording the highest rainfall of the year going from 360mm (14.17") in July to 436mm (17.17") in August.
Weather in August » Weather in September
September signifies the onset of the wet season's end in
Yana, with the weather conditions starting to improve. The rainfall experiences a decrement compared to
August, although the level of precipitation remains significantly high.
Weather in September »
Weather in October
October in
Yana symbolizes a distinct departure from the wet season towards drier conditions. A decline in the average temperature in comparison to
September reassures more comfortable weather. The month also sees a decrease in rainfall levels along with an increase in sun exposure, inviting more pleasant days.
Weather in October » Weather in November
November embarks on the holiday season in
Yana, accompanied by a considerable improvement in weather conditions. The city experiences a reduction in rainfall, an increase in daily sunshine hours, and a decrease in relative humidity.
Weather in November » Weather in December
December marks the end of the year in
Yana, offering weather conditions somewhat similar to the beginning of the year. There is a decrease in overall temperature and relative humidity, along with a significant decline in rainfall compared to
November.
Weather in December »