Climate Insights for Bor

, Jonglei, South Sudan

Hottest
March
39°C peak
Coldest
August
23°C low
Wettest
August
129mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Bor is hot. The average annual temperature is 29°C and approximately 715mm of precipitation falls per year. August is the wettest month, receiving around 129mm 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: 34° Average: 29° Min: 25° Jun Max: 32° Average: 28° Min: 24° Jul Max: 31° Average: 27° Min: 23° Aug Max: 31° Average: 26° Min: 23° Sep Max: 31° Average: 27° Min: 23° Oct Max: 32° Average: 28° 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.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 1mm Feb Precipitation: 2mm Mar Precipitation: 8mm Apr Precipitation: 52mm May Precipitation: 90mm Jun Precipitation: 98mm Jul Precipitation: 112mm Aug Precipitation: 129mm Sep Precipitation: 104mm Oct Precipitation: 94mm Nov Precipitation: 22mm Dec Precipitation: 1mm
Precipitation

Bor is a relatively dry area, receiving approximately 715mm of precipitation annually, which averages out to around 60mm per month. The wettest month is August, averaging 129mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 1mm. That's 128mm less than August, 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 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 15km/h Feb Wind Speed: 15km/h Mar Wind Speed: 16km/h Apr Wind Speed: 16km/h May Wind Speed: 13km/h Jun Wind Speed: 10km/h Jul Wind Speed: 10km/h Aug Wind Speed: 10km/h Sep Wind Speed: 10km/h Oct Wind Speed: 11km/h Nov Wind Speed: 13km/h Dec Wind Speed: 14km/h
Wind Speed

Bor is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 15km/h in winter, 15km/h in spring, 10km/h in summer, 11km/h in autumn.

Seasons

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

89 days until Summer

It is currently spring in Bor, which began on March 20, 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. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 25 to 39°C. Rainfall is relatively light, with around 151mm over the season and a monthly average of 50mm. Winds are generally light, averaging 15km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 339mm across the season with a monthly average of 113mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 34°C. Precipitation is moderate at around 221mm for the season, averaging 74mm per month. Winds are generally light, averaging 11km/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 4mm for the entire season. Winds are generally light, averaging 15km/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
15 km/h
1 mm
0 cm
Feb
27 °C
38 °C
15 km/h
2 mm
0 cm
Mar Current
28 °C
39 °C
16 km/h
8 mm
0 cm
Apr
27 °C
36 °C
16 km/h
52 mm
0 cm
May
25 °C
34 °C
13 km/h
90 mm
0 cm
Jun
24 °C
32 °C
10 km/h
98 mm
0 cm
Jul
23 °C
31 °C
10 km/h
112 mm
0 cm
Aug
23 °C
31 °C
10 km/h
129 mm
0 cm
Sep
23 °C
31 °C
10 km/h
104 mm
0 cm
Oct
24 °C
32 °C
11 km/h
94 mm
0 cm
Nov
25 °C
34 °C
13 km/h
22 mm
0 cm
Dec
25 °C
36 °C
14 km/h
1 mm
0 cm
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Metric (°C, km/h)