January weather forecast
Yei, South Sudan

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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. Light winds dominate and gusts reaching to 11.8km/h (7.3mph) ensures an air of freshness, ideal for outdoor activities. The lowest recorded relative humidity of 38% gives this month a relatively dry, pleasant atmosphere. The starlit nights further complement the dry season, as the lows dip to an agreeable 19.3°C (66.7°F).

Temperature

The average high-temperature for January is a hot 32.5°C (90.5°F), closely aligning with the temperature of the preceding month. Despite a noticeable differential from daytime highs, Yei notes an average nighttime low-temperature of 19.3°C (66.7°F) in January.

Humidity

January is the least humid month, with an average relative humidity of 38%.

Rainfall

The month with the least rainfall is January, when the rain falls for 3.1 days and typically collects 3mm (0.12") of precipitation.

Daylight

In Yei, the average length of the day in January is 11h and 55min.
On the first day of January, sunrise is at 06:03 and sunset at 17:57. On the last day of the month, sunrise is at 06:12 and sunset at 18:09 CAT.

Sunshine

January and February, with an average of 9.9h of sunshine, are months with the most sunshine in Yei.

UV index

The months with the highest UV index are January, February and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 7 in January leads to these recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

How hot is it in January?

An average high-temperature, in January, in Yei, is 32.5°C (90.5°F) and the average low-temperature is 19.3°C (66.7°F).

What is the least humid month in Yei?

With an average relative humidity of 38%, January is the least humid month.

What is the average humidity in January?

In Yei, the average relative humidity in January is 38%.

What is the driest month?

The month with the least rainfall is January, when the rain falls for 3.1 days and typically collects 3mm (0.12") of precipitation.

How many days does it rain in January in Yei?

In Yei, in January, it is raining for 3.1 days, with typically 3mm (0.12") of accumulated precipitation.

How many hours of daylight does Yei have in January?

In Yei, the average day length in January is 11h and 55min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 06:03 and sunset at 17:57. On the last day of the month, sunrise is at 06:12 and sunset at 18:09 CAT.

What is the month with the most sunshine?

January and February, with an average of 9.9h of sunshine, are months with the most sunshine.

How many hours of sunshine does Yei have in January?

In January, the average sunshine duration is 9.9h.

When is the highest UV index?

The months with the highest UV index are January, February and December, with an average maximum UV index of 7.

What is the UV index intensity in January?

In Yei, the average daily maximum UV index in January is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in January
Yei, South Sudan

Average temperature in January - Yei, South Sudan
  • Average high temperature in January: 32.5°C

The warmest month (with the highest average high temperature) is February (33.4°C).
The month with the lowest average high temperature is July (26.7°C).

  • Average low temperature in January: 19.3°C

The month with the highest average low temperature is February (20.8°C).
The coldest months (with the lowest average low temperature) are July and August (17.1°C).

Average pressure in January
Yei, South Sudan

Average pressure in January - Yei, South Sudan
  • Average pressure in January: 1010mbar

The month with the highest atmospheric pressure is July (1013.3mbar).
The month with the lowest atmospheric pressure is February (1008.7mbar).

Average wind speed in January
Yei, South Sudan

Average wind speed in January - Yei, South Sudan
  • Average wind speed in January: 8km/h

The windiest month (with the highest average wind speed) is February (8.6km/h).
The calmest month (with the lowest average wind speed) is August (5.3km/h).

Average humidity in January
Yei, South Sudan

Average humidity in January - Yei, South Sudan
  • Average humidity in January: 38%

The month with the highest relative humidity is August (82%).
The month with the lowest relative humidity is January (38%).

Average rainfall in January
Yei, South Sudan

Average rainfall in January - Yei, South Sudan
  • Average rainfall in January: 3mm

The wettest month (with the highest rainfall) is October (226mm).
The driest month (with the least rainfall) is January (3mm).

Average rainfall days in January
Yei, South Sudan

Average rainfall days in January - Yei, South Sudan
  • Average rainfall days in January: 3.1 days

The month with the highest number of rainy days is August (29.7 days).
The month with the least rainy days is January (3.1 days).

Average daylight in January /
Average sunshine in January
Yei, South Sudan

Average daylight in January / Average sunshine in January - Yei, South Sudan
  • Average daylight in January: 11h and 5min

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 5min

The months with the most sunshine are January and February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 8h and 30min).

Average sunshine days in January
Yei, South Sudan

Average sunshine days in January - Yei, South Sudan
  • Average sunshine days in January: 27.8 days

The month with the most sunshine days is January (27.8 days).
The month with the least sunshine days is August (0.2 days).

Average UV index in January
Yei, South Sudan

Average UV index in January - Yei, South Sudan
  • Average UV index in January: 7

The months with the highest UV index are January, February and December (UV index 7).
The month with the lowest UV index is August (UV index 5).

Average cloud cover in January
Yei, South Sudan

Average cloud cover in January - Yei, South Sudan
  • Average cloud cover in January: 10

The month with the most cloud cover is August (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 10).

Average visibility in January
Yei, South Sudan

Average visibility in January - Yei, South Sudan
  • Average visibility in January: 10km

The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are July, August, September and October (8km).

Yei, South Sudan

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