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JohannesburgZASouth Africa | ||
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JohannesburgZASouth Africa | |||||||||||||||
Johannesburg
DetailsHeat Seeker Score
Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.
Use the detailed page for charts, component scores, and weather inputs behind every monthly ranking.
Calculations are based on the last 8 years of historical weather data.
Johannesburg has comfortable temperatures for most of the year.
June and July are the coolest months, with minimum temperatures dropping to 44.6F and 45.6F, respectively.
The hottest months are January, November and December.
Maximum Temperatures
| Period | Johannesburg |
|---|---|
| Jan | 82.6°F |
| Feb | 81.1°F |
| Mar | 80.4°F |
| Apr | 74.3°F |
| May | 70.9°F |
| Jun | 65.8°F |
| Jul | 66.2°F |
| Aug | 72.1°F |
| Sep | 79.9°F |
| Oct | 81.1°F |
| Nov | 81.5°F |
| Dec | 81.0°F |
| Average | 76.4°F |
Minimum Temperatures
| Period | Johannesburg |
|---|---|
| Jan | 62.8°F |
| Feb | 62.6°F |
| Mar | 61.2°F |
| Apr | 57.0°F |
| May | 51.8°F |
| Jun | 46.0°F |
| Jul | 45.1°F |
| Aug | 50.5°F |
| Sep | 56.7°F |
| Oct | 59.5°F |
| Nov | 61.3°F |
| Dec | 62.4°F |
| Average | 56.4°F |
Johannesburg experiences a clear trend of increasing sunshine hours from January to July/September, peaking at over 10 hours per day.
Precipitation is generally low throughout the year, with the highest rainfall occurring in December, January, and February.
A distinct dry season exists from June to September, characterized by minimal to no precipitation.
The sunniest months coincide with the driest, while the months with the most precipitation have the fewest sunshine hours.
Sunny Weather
| Period | Johannesburg |
|---|---|
| Jan | 7.2 hours/day |
| Feb | 6.5 hours/day |
| Mar | 7.7 hours/day |
| Apr | 7.4 hours/day |
| May | 9.8 hours/day |
| Jun | 10.3 hours/day |
| Jul | 10.4 hours/day |
| Aug | 10.4 hours/day |
| Sep | 10.3 hours/day |
| Oct | 9.3 hours/day |
| Nov | 7.9 hours/day |
| Dec | 6.2 hours/day |
| Average | 8.6 hours/day |
Precipitation Levels
| Period | Johannesburg |
|---|---|
| Jan | 0.2in |
| Feb | 0.2in |
| Mar | 0.1in |
| Apr | 0.1in |
| May | 0.0in |
| Jun | 0.0in |
| Jul | 0.0in |
| Aug | 0.0in |
| Sep | 0.0in |
| Oct | 0.1in |
| Nov | 0.2in |
| Dec | 0.2in |
| Average | 0.1in |
Wind Speed
| Period | Johannesburg |
|---|---|
| Jan | 10.6mph |
| Feb | 10.1mph |
| Mar | 9.4mph |
| Apr | 9.1mph |
| May | 7.9mph |
| Jun | 8.8mph |
| Jul | 8.8mph |
| Aug | 10.9mph |
| Sep | 12.1mph |
| Oct | 12.2mph |
| Nov | 12.1mph |
| Dec | 11.6mph |
| Average | 10.3mph |
Humidity
| Period | Johannesburg |
|---|---|
| Jan | 54.0% |
| Feb | 55.9% |
| Mar | 52.8% |
| Apr | 50.5% |
| May | 38.3% |
| Jun | 38.1% |
| Jul | 34.9% |
| Aug | 31.7% |
| Sep | 29.4% |
| Oct | 36.8% |
| Nov | 46.0% |
| Dec | 55.0% |
| Average | 43.6% |
In Johannesburg, sunrise times vary significantly throughout the year, with the earliest at 05:11 in December and the latest at 06:53 in July, indicating a clear seasonal pattern in day length.
Similarly, sunset times also fluctuate, with the latest occurring at 19:03 in January and the earliest at 17:24 in June, further emphasizing the contrasting lengths of the day across different months.
The shortest day lasts 10 hours and 31 minutes in June, while the longest day stretches to 13 hours and 44 minutes in December, illustrating a pronounced seasonal variation in daylight in this region.
Sunrise Time
| Period | Johannesburg |
|---|---|
| Jan | 5:30 |
| Feb | 5:53 |
| Mar | 6:09 |
| Apr | 6:23 |
| May | 6:39 |
| Jun | 6:53 |
| Jul | 6:53 |
| Aug | 6:35 |
| Sep | 6:04 |
| Oct | 5:32 |
| Nov | 5:11 |
| Dec | 5:11 |
| Average | 6:06 |
Sunset Time
| Period | Johannesburg |
|---|---|
| Jan | 19:04 |
| Feb | 18:50 |
| Mar | 18:23 |
| Apr | 17:52 |
| May | 17:30 |
| Jun | 17:24 |
| Jul | 17:34 |
| Aug | 17:49 |
| Sep | 18:01 |
| Oct | 18:15 |
| Nov | 18:35 |
| Dec | 18:56 |
| Average | 18:12 |
Useful Day Length
| Period | Johannesburg |
|---|---|
| Jan | 12:04 hours |
| Feb | 11:50 hours |
| Mar | 11:23 hours |
| Apr | 10:52 hours |
| May | 10:30 hours |
| Jun | 10:24 hours |
| Jul | 10:34 hours |
| Aug | 10:49 hours |
| Sep | 11:01 hours |
| Oct | 11:15 hours |
| Nov | 11:35 hours |
| Dec | 11:56 hours |
| Average | 11:12 hours |
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