Climate guideThirty-year normals for Jwaneng
Jwaneng climate by month
Hot semi-arid · BShBest Jun–Aug
Annual mean20°day and night
Seasonal swing12°warmest vs coolest
Precipitation451 mm85 wet days a year
24.60° S, 24.73° EElevation 1,198 mUTC+2 · Central Africa Time
When to goJwaneng · weather score
Best timeJun–Aug
October: high / low30° / 15°
iSummary
What the weather is like
Jwaneng has a hot semi-arid climate (Köppen BSh): little rain, large day–night swings and strong sunshine.
The warmest month is December, when afternoons average 31° and nights 18°. June is the coolest month, with highs of 20° and lows of 6°. The difference between the warmest and the coolest month is about 12°.
About 451 mm of precipitation falls in an average year. January is the wettest month (87 mm, 16 wet days) and August the driest (3 mm, 0 wet days). Cloud cover ranges from 6% in July to 27% in December.
Compared with Gaborone, the capital, Jwaneng is 0.4° cooler on a December afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 31° · December
- Coldest nights
- 5° · July
- Wettest month
- January
- Driest month
- August
- Clearest skies
- July · 6% cloud
- Longest day
- 13 h 39 min
- Shortest day
- 10 h 37 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 31° | 30° | 29° | 26° | 23° | 20° | 20° | 24° | 28° | 30° | 30° | 31° |
| Average low | 19° | 19° | 17° | 14° | 9° | 6° | 5° | 8° | 12° | 15° | 17° | 18° |
| Precipitation | 87 mm | 81 mm | 54 mm | 28 mm | 12 mm | 6 mm | 1 mm | 3 mm | 7 mm | 39 mm | 62 mm | 71 mm |
| Wet days (≥1 mm) | 15.5 | 13.3 | 11.9 | 6.8 | 2.1 | 1.1 | 0.5 | 0.4 | 1.2 | 5.2 | 11.1 | 15.4 |
| Cloud cover | 26% | 23% | 20% | 16% | 9% | 7% | 6% | 6% | 10% | 19% | 26% | 27% |
| Daylight | 13h 30 | 12h 55 | 12h 15 | 11h 32 | 10h 56 | 10h 37 | 10h 45 | 11h 15 | 11h 56 | 12h 39 | 13h 18 | 13h 39 |
| Month score | 43 | 48 | 57 | 80 | 95 | 97 | 99 | 99 | 86 | 68 | 52 | 43 |
ivMonth by month
Jwaneng in every month
January43
31° / 19°
87 mm · 15.5 wet days
February48
30° / 19°
81 mm · 13.3 wet days
March57
29° / 17°
54 mm · 11.9 wet days
April80
26° / 14°
28 mm · 6.8 wet days
May95
23° / 9°
12 mm · 2.1 wet days
June97
20° / 6°
6 mm · 1.1 wet day
July99
20° / 5°
1 mm · 0.5 wet day
August99
24° / 8°
3 mm · 0.4 wet days
September86
28° / 12°
7 mm · 1.2 wet day
October68
30° / 15°
39 mm · 5.2 wet days
November52
30° / 17°
62 mm · 11.1 wet days
December43
31° / 18°
71 mm · 15.4 wet days