The climate of Yei
The climate in
Yei,
South Sudan solidly classifies in the Tropical wet and dry or savanna zone, according to the Köppen climate classification. Its geographical position straddles the Equator contributing to its tropical climate characterized by high temperatures and substantial rainfall throughout the year.
Temperature variations are more subtle rather than severe. Monthly average highs consistently remain in the range of 26.7°C (80.1°F) to 33.4°C (92.1°F), and lows fluctuate between 17.1°C (62.8°F) and 20.8°C (69.4°F). As it may be expected with a Tropical climate, there is a noticeable spike in humidity levels, from an annual low of 38% in
January to as high as 82% in
August.
The prevailing climatic pattern shows a distinct dry and wet season. Rainfall primarily presents itself from
March to
November, with a marked increase noticed from
April onwards. This period is characterized by an average rainfall level of 100mm (3.94") to 226mm (8.9"). Conversely, the months from
December through to
February receive significantly less rainfall, recording averages as low as 3mm (0.12") in January and peaking at 43mm (1.69") in March.
The best time to visit Yei
The ideal time to visit
Yei is primarily determined by personal preference regarding climate conditions. For those who are seeking drier conditions, the period from
December to
February is ideal. During these months, average rainfall drops to a minimal 3mm (0.12") in
January, coupled with the humidity levels descending to an annual low of 38% in January. Days are filled with copious sunshine, with an average of 9.7 hours in December.
The worst time to visit Yei
Visitors who are averse to heavy rainfall and high humidity levels might find the period between
May and
October less appealing. During this timeframe, the area receives substantial rainfall, peaking at 226mm (8.9") in October, accompanied by high humidity levels, reaching up to 82% in
August.
Spring weather in Yei
Spring in
Yei, observed from
March to
May, is characterized by an escalation in rainfall and humidity levels. Rainfall averages surge from 43mm (1.69") in March to 177mm (6.97") in May, accompanied by a significant increase in humidity levels, rising from 54% to 78% during the same period. Average temperatures fluctuate within a narrow range from 29.7°C (85.5°F) to 33.4°C (92.1°F) for the highs and 19.3°C (66.7°F) to 20.8°C (69.4°F) for the lows.
Summer weather in Yei
The summer months,
June through
August, in
Yei are dominated by substantial rainfall and high humidity. Average rainfall ranges from 164mm (6.46") to 194mm (7.64") during these months, while humidity levels fluctuate in the high 70s and the low 80s% range. Visitors can expect moderate temperatures with highs oscillating from 26.7°C (80.1°F) to 27.4°C (81.3°F) and lows from 17.1°C (62.8°F) to 17.6°C (63.7°F).
Autumn weather in Yei
Autumn months in
Yei,
September to
November, continue with the trend of significant rainfall. Rainfall averages drop gradually from 167mm (6.57") in September to 108mm (4.25") in November. Average high temperatures fall slightly with a range from 27.2°C (81°F) to 27.8°C (82°F), while lows maintain relative uniformity from 17.5°C (63.5°F) to 18.1°C (64.6°F).
Winter weather in Yei
The season transitions into winter, observed from
December to
February, with significant changes in weather conditions in
Yei. Rainfall dramatically plummets to 22mm (0.87") in December and a minimal 3mm (0.12") in
January. Average high temperatures range between 29.9°C (85.8°F) and 32.5°C (90.5°F), while lows vary from 18.5°C (65.3°F) to 20.8°C (69.4°F) during this period. This season emerges as the driest time of the year with a noticeably lower humidity level, reaching its lowest at 38% in January.
Weather in January
In
Yei,
South Sudan,
January signals the onset of the dry season with dwindling rainfall and relatively mild temperatures. Sunshine prevails with nearly 10 hours per day, ensuring plenty of opportunities to soak in the sun's warmth.
Weather in January »Weather in February
Transitioning from
January,
February continues to see reduced rainfall and warm temperatures throughout the month. The UV index maintains a steady value, urging visitors to don their sunglasses and sun hats. It is a perfect time to bask in the
Yei sun, with sunshine hours and daylight averaging around 12 hours.
Weather in February »Weather in March
As the sun climbs higher in the sky,
March marks a shift in weather patterns, preparing
Yei for the upcoming wet season. While the temperatures remain enjoyable, the cloud cover significantly increases, providing stunning sceneries at sunrise and sunset.
Weather in March »
Weather in April
April in
Yei is characterized by a distinct increase in downpour as the wet season settles in. The city transitions under the increasing cloud cover, casting softer shadows. As the showers increase, residents and visitors adapt their schedules to enjoy the intermittent sunshine.
Weather in April » Weather in May
May brings the charm of full-blown monsoons to
Yei, creating a mosaic of green landscapes. The residents adapt their schedule to ensure ample time indoors, amidst the heavy rainfall. An amplified level of humidity and cloud cover blankets the city, transforming it into a watercolor painting.
Weather in May » Weather in June
June stands as a testament to the draining effects of ceaseless rainfall in
Yei. The cooler weather allows for casual afternoon siestas and rounds of steaming hot tea. The cloud cover and humidity reach their annual high, turning the city into a surreal rain-drenched spectacle.
Weather in June »
Weather in July
Maintaining the monsoon serenade,
July ensures
Yei gets its fair share of rainy spells during the year. Cloud-laden skies and persistent rains define the city's weather, making it considerably less sunny. The UV index dips marginally, providing respite to the population and vegetation alike.
Weather in July »Weather in August
August in
Yei reveals the effects of continued rain with lush greenery spreading across landscapes. Though sunshine takes a back seat, the city remains alight with daylight hours sustaining at 12.2 hours on average. Despite the high humidity and rather low temperatures, the cloud cover makes August a visually delightful month.
Weather in August » Weather in September
Gradually shaking off the lingering rains,
September in
Yei becomes the canvas of nature's beauty with the city at one of its greenest periods. The sunshine hours increase slightly, revealing lively hues of the surroundings. Though the rains persist, the cloud cover and relative humidity begin their descent.
Weather in September »
Weather in October
October offers
Yei residents some respite from the extended wet season with a gradual transition towards drier days. Appearing after prolonged rains, the sun feels extra sweet, warming up the temperate city. Overall, the city readies itself for a change in the descending rainfall, lower cloud cover, and slowly rising wind speeds.
Weather in October » Weather in November
By
November,
Yei shows off a perfect balance between sunshine and showers, creating a delightful weather pattern. The relative humidity continues to drop, invigorating the pleasantly warm days and cool nights with fresh air. The visibly reduced rainfall and wind speed signal the nearing dry season.
Weather in November »Weather in December
December in
Yei marks the full onset of the dry season with a significant reduction in rainfall and milder temperatures. The increased wind gusts bring back the freshness to the warming city, making outdoor activities enjoyable again.
Weather in December »