Climate and monthly weather forecastYambio, South Sudan
Climate and monthly weather forecast
The climate of Yambio
Yambio, located in South Sudan, experiences a Tropical wet and dry climate according to the Köppen climate classification, which is predominately labeled as Aw. Throughout the year, the region displays significant variations in temperature, humidity, and rainfall.Monthly average temperatures in Yambio maintain a relatively consistent warmth, ranging from a high of 36.5°C (97.7°F) down to a pleasant 18.8°C (65.8°F). The peak of this warmth occurs in the months of February and March, recording highs of 36.5°C (97.7°F) and 35.4°C (95.7°F) respectively. The temperature then experiences a gradual decline to its lowest point in August.
In terms of rainfall, precipitation levels demonstrate a clear seasonal trend. There's a pronounced increase observed from February, displaying a peak in the quantity of rainfall from May to October. August registers the highest rainfall of 170mm (6.69") spread over 29 days, whereas the driest month, February, receives a negligible 5mm (0.2") over just 2.6 days. Interestingly, this dry spell coincides with the highest temperatures, while the peak rainfall aligns with the lower temperature range.
The visibility deteriorates from 10km (6.2mi) at the beginning of the year, charts a low of 7km (4.3mi) over July to September, then improves back to 10km (6.2mi) by the end of December. Wind speeds also show an inversely proportional trend to visibility, reducing from 9.9km/h (6.2mph) to 5km/h (3.1mph) between January and August, before gradually increasing to 8.6km/h (5.3mph) in December.
The best time to visit Yambio
The best time to visit Yambio would be during the dry period from December through February. These months are marked by lower rainfall and humidity levels, making sightseeing and outdoor activities more enjoyable. The temperatures are at their peak, averaging a balmy 35°C (95°F), while the wind speed is gentle and daylight lasts for approximately 12 hours every day.The worst time to visit Yambio
The months of May through October, when precipitation is at its peak and humidity reaches 85% are considered the least welcoming for a visit to Yambio. Rainfall averages 144mm (5.67") over 27 to 29 days monthly, resulting in reduced daylight and sunshine hours. Additionally, the visibility reduced to a mere 7km (4.3mi) in this period, may hinder various outdoor activities and exploration.Spring weather in Yambio
Between March and May, Yambio experiences what can be considered as spring. During this period, temperatures begin a subtle decline from the highs of February even as rainfall marks a steep rise. Humidity levels surge, with a respective increase in cloud cover. This cascade of moisture culminates in May, logging an all-time high 131mm (5.16") of rainfall over 24.4 days.Summer weather in Yambio
June, July, and August in Yambio represents the summer months. This period is marked by cooler temperature ranges, with lows of 18.8°C (65.8°F) witnessed in August. Yet, these months also encounter the highest levels of rainfall, coupled with maximum humidity levels reaching 86%. The daylight hours remain fairly constant, with an average of 12.4 hours.Autumn weather in Yambio
The months of September to November serve as the autumn period for Yambio. Although the temperatures are relatively constant, averaging around 29°C (84.2°F), the rainfall starts to decrease significantly. The winds pick up speed and visibility improves, making this period ideal for enjoying the lush, post-rainfall scenery.Winter weather in Yambio
The period from December to February brings forth the winter period in Yambio. Average high temperatures hover around a comfortable 35°C (95°F), with the least rainfall experienced in the year. Lower humidity levels coupled with enhanced visibility provide the perfect ambiance for tourist activities and sightseeing.Weather in January
The weather in January, Yambio, South Sudan is characterized by slightly cooler temperatures averaging from 22.3°C (72.1°F) to 35.4°C (95.7°F), them being the lowest seen all year. It's not yet the high humidity season. Sunlight is consistent as days last about 11.9h. Weather in January »Weather in February
February shows a slight warming trend from the previous month, with temperatures ranging from 23.8°C (74.8°F) to 36.5°C (97.7°F). The humidity also increases, indicating the gradual approach of the rainy season in Yambio. February is the last month before the onset of spring-like weather, with the majority of the days having clear skies. Weather in February »Weather in March
By March, Yambio starts to experience regular rainfall, making it the start of the rainy season. The precipitation increases exceptionally from 14mm (0.55") in February to 47mm (1.85") in March. As the days pass, the humidity and cloud cover also increase noticeably, indicating a shift in the season. Weather in March »Weather in April
April brings significant changes in Yambio, with the rainfall doubling to 94mm (3.7") compared to the previous month's records. This shift marks the transition fully into the rainy season. More clouds start to appear, and the relative humidity rises to 67%, creating a much-dampened atmosphere. Weather in April »Weather in May
May is characterized by the highest rainfall all year, recording up to 131mm (5.16"). This serves as an indicator that the area is in the middle of the wet season. Further evidence is seen in the increased humidity and cloud cover, which also contribute to the reduced visibility. Weather in May »Weather in June
June signals the peak of the wet season in Yambio with further increment in precipitation and a high of 143mm (5.63"). The great volume of rain, combined with high humidity, results in the highest cloud cover seen in the year. Despite the showers, temperatures continue to be mild, warming nature and its inhabitants alike. Weather in June »Weather in July
In July, the weather pattern in Yambio stays consistent with the previous month's trend, experiencing 144mm (5.67") of rain. High humidity and high cloud cover continue to dominate the weather picture. A slight temperature drop is observed, keeping the climatic conditions comfortable. Weather in July »Weather in August
August experiences the highest rainfall in Yambio with up to 170mm (6.69"). This is typically the peak of the rainy season, displaying high humidity and dense cloud cover. The temperature stays somewhat similar to July, adhering to a balanced weather narrative. Weather in August »Weather in September
September marks the decline of the rainy season in Yambio as precipitation decreases to 133mm (5.24"). This reduction is accompanied by a gradual easing of humidity and a reduced cloud cover percentage. Temperatures tend to hold steady, staying comfortably between 19.3°C (66.7°F) and 28.8°C (83.8°F). Weather in September »Weather in October
In October, Yambio sees a further decrease in rainfall, dropping to 84mm (3.31"). As the region bids farewell to the wet season, humidity and cloud cover reduce noticeably. The temperature starts to climb, making the month warmer than the previous one. Weather in October »Weather in November
November in Yambio brings the start of the dry season marked by a drastic reduction in rainfall to 13mm (0.51"). It's one of the driest months, characterized by declining humidity and significantly reduced cloud cover. November also stands out with increased sunlight hours, presenting some of the longest sunny spells of the year. Weather in November »Weather in December
December concludes the cycle for Yambio, providing the city with dry and warm weather conditions. The month is one of the driest witnessed in Yambio, with minimal precipitation of 13mm (0.51"). The humidity is significantly lower, and there's minimal cloud cover, marking a stark contrast to the middle of the year. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Yambio, South Sudan
The warmest month (with the highest average high temperature) is February (36.5°C).
The month with the lowest average high temperature is July (28.2°C).
The month with the highest average low temperature is February (23.8°C).
The coldest month (with the lowest average low temperature) is August (18.8°C).
Average pressure
Yambio, South Sudan
- Average pressure in January:
1009.3mbar - Average pressure in February:
1007.8mbar - Average pressure in March:
1008.1mbar - Average pressure in April:
1009mbar - Average pressure in May:
1010.7mbar - Average pressure in June:
1012.3mbar
- Average pressure in July:
1012.7mbar - Average pressure in August:
1012.3mbar - Average pressure in September:
1011.6mbar - Average pressure in October:
1010.3mbar - Average pressure in November:
1009.7mbar - Average pressure in December:
1009.5mbar
The month with the highest atmospheric pressure is July (1012.7mbar).
The month with the lowest atmospheric pressure is February (1007.8mbar).
Average wind speed
Yambio, South Sudan
- Average wind speed in January:
9.9km/h - Average wind speed in February:
9.1km/h - Average wind speed in March:
8.5km/h - Average wind speed in April:
8.6km/h - Average wind speed in May:
7km/h - Average wind speed in June:
6.4km/h
- Average wind speed in July:
5.6km/h - Average wind speed in August:
5km/h - Average wind speed in September:
5.1km/h - Average wind speed in October:
5.5km/h - Average wind speed in November:
6.8km/h - Average wind speed in December:
8.6km/h
The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is August (5km/h).
Average humidity
Yambio, South Sudan
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (28%).
Average rainfall
Yambio, South Sudan
The wettest month (with the highest rainfall) is October (184mm).
The driest month (with the least rainfall) is January (5mm).
Average rainfall days
Yambio, South Sudan
- Average rainfall days in January:
2.6 days - Average rainfall days in February:
5.1 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
20.1 days - Average rainfall days in May:
24.4 days - Average rainfall days in June:
26.6 days
- Average rainfall days in July:
28.8 days - Average rainfall days in August:
29 days - Average rainfall days in September:
27.5 days - Average rainfall days in October:
27.4 days - Average rainfall days in November:
17.8 days - Average rainfall days in December:
6 days
The month with the highest number of rainy days is August (29 days).
The month with the least rainy days is January (2.6 days).
Average daylight / Average sunshine
Yambio, South Sudan
- Average daylight in January:
11h and 54min - 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 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 54min
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 54min).
- Average sunshine in January:
9h and 54min - Average sunshine in February:
9h and 48min - Average sunshine in March:
9h and 24min - Average sunshine in April:
9h and 0min - Average sunshine in May:
8h and 36min - Average sunshine in June:
8h and 24min
- Average sunshine in July:
8h and 0min - Average sunshine in August:
8h and 6min - Average sunshine in September:
8h and 30min - Average sunshine in October:
8h and 24min - Average sunshine in November:
9h and 12min - Average sunshine in December:
9h and 48min
The month with the most sunshine is January (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 8h and 0min).
Average sunshine days
Yambio, South Sudan
- Average sunshine days in January:
27.5 days - Average sunshine days in February:
20.9 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
8.3 days - Average sunshine days in May:
4.5 days - Average sunshine days in June:
2.6 days
- Average sunshine days in July:
1.2 days - Average sunshine days in August:
1.3 days - Average sunshine days in September:
1.2 days - Average sunshine days in October:
2.8 days - Average sunshine days in November:
10 days - Average sunshine days in December:
24.5 days
The month with the most sunshine days is January (27.5 days).
The months with the least sunshine days are July and September (1.2 days).
Average UV index
Yambio, South Sudan
The months with the highest UV index are January, February, March, April, November and December (UV index 7).
The months with the lowest UV index are June, July and September (UV index 5).
Average cloud cover
Yambio, South Sudan
The month with the most cloud cover is August (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 9).
Average visibility
Yambio, South Sudan
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are July, August and September (7km).





