On the cooler side.
July in context
How it compares to the rest of the year in Johannesburg South.
One of the drier months.
Shorter days.
Close to the yearly wind average.
UV is gentler than usual.
One of the less humid months.
Monthly climate breakdown
A detailed look at the typical climate conditions for July.
Thermal profile
Temperature
Typical daytime high
- Nighttime low
-
- Feels like (avg)
-
Light window
Sunshine
10.7 h
Average daylight
- UV index (max)
- 6
- Typical sun hours
- 06:53 - 17:33
Wet-day pattern
Rain & Snow
Typical rainfall
- Rainy days
- 1 days
- Cloud cover (avg)
- 12%
- Snowfall
-
Air feel
Humidity & Wind
50%
Average humidity
- Wind (avg)
-
- Wind (max gusts)
-
Historical daily baseline
Daily climate explorer
Pick a day to inspect the usual conditions through July in Johannesburg South. Based on a 30-year historical climate baseline, not a forecast.
Primary control
Select a day
Scroll to compare daily conditions. The summary updates with your selection.
Secondary context
Monthly trend
Median daytime highs across the month, with a softer low line.
Day 15 selected for July. Temperature 16.8°C.
Historical disruption baseline
Typical disruptions in July
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in July.
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 99% of days (30.6 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
30.6 days / month
- Share of days
- ~99% of days
- Upper edge
- Up to ~3°C (P95)
Why this matters
Cold feels-like nights are possible on ~31 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Freezing nights Measures: Freezing nights (min <=0C). Observed about 19% of days (5.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
5.8 days / month
- Share of days
- ~19% of days
- Upper edge
- Up to ~0°C (P95)
Why this matters
Freezing nights are possible on ~6 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Hard freeze nights Measures: Hard freeze nights (min <=-2C). Observed about 6% of days (1.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.8 days / month
- Share of days
- ~6% of days
- Upper edge
- Up to ~-2°C (P95)
Why this matters
Hard freeze conditions are possible on ~2 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Show all disruptions (10 more)
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 1% of days (0.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.5 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~75km/h (P95)
Why this matters
Strong gusts are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Cold nights Measures: Cold nights (min <=5C). Observed about 83% of days (25.6 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
25.6 days / month
- Share of days
- ~83% of days
- Upper edge
- Up to ~5°C (P95)
Why this matters
Cold nights are possible on ~26 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 25% of days (7.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
7.7 days / month
- Share of days
- ~25% of days
- Upper edge
- Up to ~61km/h (P95)
Why this matters
Gusty conditions are possible on ~8 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wet days Measures: Wet days (>=0.1mm). Observed about 6% of days (2.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
2.0 days / month
- Share of days
- ~6% of days
- Upper edge
- Up to ~4.1mm (P95)
Why this matters
Measurable rain is possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 5% of days (1.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.4 days / month
- Share of days
- ~5% of days
- Upper edge
- Up to ~92% (P95)
Why this matters
Cloudy skies are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 3% of days (1.1 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.1 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~13h (P95)
Why this matters
Several rainy hours are possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Cold days Measures: Cold days (max <=10C). Observed about 2% of days (0.6 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.6 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~10°C (P95)
Why this matters
Cold daytime conditions are possible on ~1 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 1% of days (0.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.5 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~15h (P95)
Why this matters
Wet-most-of-day conditions are possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
High humidity Measures: High humidity days (RH >=80%). Observed about 1% of days (0.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.4 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~90% (P95)
Why this matters
High humidity is possible on ~0 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 1% of days (0.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.3 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~97% (P95)
Why this matters
Mostly cloudy skies are possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Travel planning FAQ
Frequently asked questions
Quick answers to the weather questions you ask the most.
Is July a good time to visit Johannesburg South?
Typical July days in Johannesburg South reach highs of 17°C (63°F) with nights around 3°C (37°F). It usually feels mild by day and cold after dark. It is one of the drier months, which suits outdoor exploring and sightseeing.
What are temperatures like in July?
Daytime temperatures in July typically peak near 17°C (63°F), while nights drop to around 3°C (37°F). Expect mild afternoons and cold evenings.
How much does it rain in July?
Rainfall in July averages 3 mm (0.12 in) across roughly 1 days. Overall it is a mostly dry time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in July?
You can expect about 11 hours of daylight in July. Sunrise is typically around 06:53 and sunset near 17:33. Days are on the shorter side, so plan activities around limited daylight.
How strong is the sun in July?
UV levels are moderate (around 6); sunscreen and sunglasses are still a good idea.
Is it windy in July?
In July, average wind speeds are around 10 km/h (6 mph), with gusts on the windiest days reaching about 48 km/h (30 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.