Temperature
Pleasant by day, brisk at night.
78°Ftypical December high
Typical range
December climate
December in Johannesburg
South Africa · Africa
Warm days with cooler nights and some sun.
Some tradeoffs
Daytime high
78°F
Lows around 58°F
Rain
Rain most days
Sun
11.5 h/day
Air feel
Comfortable
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days, but usually in brief, on-and-off spells. About 18 wet days, the highest monthly average.
58%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
11.5 hDecember sunshine
Heat & humidity by month
Warm days with mostly dry air.
LowDecember Heat feel
Easy airWarm airHot airHumid air
Hourly temperature pattern
In December, afternoons feel about 74° and nights feel near 58°.
FreezingVery coldColdCoolComfortableWarmNight hours
Clear sky
Partly cloudy skies this month.
43%December Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in December.
7 mphDecember Light breeze
More detailIncludes daypart comfort
Typical December day
December late afternoons are around 75°F, easing to about 67°F in early evening.
Avg temp Typical range
Morning68°F
Rain24%
Cloud56%
Humid airLow
Sun intensityStrong
Best windowMidday76°F
Rain35%
Cloud60%
Humid airLow
Sun intensityStrong
Late afternoon75°F
Rain35%
Cloud61%
Humid airLow
Sun intensityModerate
Early evening68°F
Rain26%
Cloud59%
Humid airLow
Sun intensityMinimal
Data tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 77 | 59 | 5.3 | 16 | 11.4 | 73 |
| Feb | 77 | 59 | 4.4 | 14 | 11.0 | 72 |
| Mar | 76 | 56 | 3.2 | 12 | 10.4 | 71 |
| Apr | 71 | 50 | 2.1 | 7 | 10.1 | 69 |
| May | 68 | 44 | 0.7 | 3 | 9.7 | 60 |
| Jun | 64 | 38 | 0.3 | 1 | 9.7 | 56 |
| Jul | 64 | 37 | 0.1 | 1 | 10.0 | 52 |
| Aug | 70 | 42 | 0.4 | 2 | 10.4 | 46 |
| Sep | 76 | 49 | 0.9 | 4 | 11.1 | 44 |
| Oct | 77 | 53 | 2.9 | 10 | 11.0 | 54 |
| Nov | 77 | 56 | 3.9 | 14 | 11.0 | 63 |
| Dec | 78 | 58 | 5.2 | 18 | 11.5 | 70 |
Similar climates
Similar
Similar travel styleStellenboschSouth AfricaSimilar travel styleArequipaPeruSimilar travel styleHararEthiopiaSimilar travel styleMemphisUnited States
Want a side-by-side climate view? Compare Johannesburg with Stellenbosch.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 19, 2026
Data & methodology