Climate Insights for Bor

, Jonglei, South Sudan

Hottest
March
39°C peak
Coldest
August
23°C low
Wettest
July
134mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Bor is hot. The average annual temperature is 29°C and approximately 835mm of precipitation falls per year. July is the wettest month, receiving around 134mm of rainfall. Bor sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 37° Average: 31° Min: 25° Feb Max: 38° Average: 32° Min: 27° Mar Max: 39° Average: 33° Min: 28° Apr Max: 36° Average: 31° Min: 27° May Max: 33° Average: 29° Min: 25° Jun Max: 31° Average: 27° Min: 24° Jul Max: 30° Average: 26° Min: 23° Aug Max: 30° Average: 26° Min: 23° Sep Max: 31° Average: 27° Min: 23° Oct Max: 32° Average: 27° Min: 24° Nov Max: 34° Average: 29° Min: 25° Dec Max: 36° Average: 30° Min: 25°
Max
Average
Min

Bor sees moderate temperature variation throughout the year, ranging from 23°C to 39°C. March is the hottest month, with daytime highs reaching 39°C and an average of 33°C. August is the coolest month, with minimum temperatures around 23°C and an average of 26°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 2°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 0mm Feb Precipitation: 5mm Mar Precipitation: 12mm Apr Precipitation: 60mm May Precipitation: 124mm Jun Precipitation: 133mm Jul Precipitation: 134mm Aug Precipitation: 132mm Sep Precipitation: 115mm Oct Precipitation: 95mm Nov Precipitation: 22mm Dec Precipitation: 3mm
Precipitation

Bor is a moderately rainy area, receiving approximately 835mm of precipitation annually, which averages out to around 70mm per month. The wettest month is July, averaging 134mm of rainfall. June and August also tend to see above-average precipitation. The driest month is January, with just 0mm. That's 134mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 3km/h Mar Wind Speed: 3km/h Apr Wind Speed: 3km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 1km/h Sep Wind Speed: 1km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Bor is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

92 days until Autumn

It is currently summer in Bor, which began on June 21, 2026. Bor sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 39°C, while the coldest stretch bottoms out in August near 23°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from 25 to 39°C. Precipitation is moderate at around 196mm for the season, averaging 65mm per month. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 399mm across the season with a monthly average of 133mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 34°C. Precipitation is moderate at around 232mm for the season, averaging 77mm per month. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 25 to 38°C. Precipitation is minimal, with only around 8mm for the entire season. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Bor based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
25 °C
37 °C
3 km/h
0 mm
0 cm
Feb
27 °C
38 °C
3 km/h
5 mm
0 cm
Mar
28 °C
39 °C
3 km/h
12 mm
0 cm
Apr
27 °C
36 °C
3 km/h
60 mm
0 cm
May
25 °C
33 °C
2 km/h
124 mm
0 cm
Jun Current
24 °C
31 °C
2 km/h
133 mm
0 cm
Jul
23 °C
30 °C
2 km/h
134 mm
0 cm
Aug
23 °C
30 °C
1 km/h
132 mm
0 cm
Sep
23 °C
31 °C
1 km/h
115 mm
0 cm
Oct
24 °C
32 °C
2 km/h
95 mm
0 cm
Nov
25 °C
34 °C
2 km/h
22 mm
0 cm
Dec
25 °C
36 °C
2 km/h
3 mm
0 cm
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