The warmest month of the year.
October in context
How it compares to the rest of the year in Johannesburg South.
Typical rainfall for the year.
Around the yearly average.
Among the windier months.
Near the middle of the yearly UV range.
Humidity stays close to the yearly norm.
Monthly climate breakdown
A detailed look at the typical climate conditions for October.
Thermal profile
Temperature
Typical daytime high
- Nighttime low
-
- Feels like (avg)
-
Light window
Sunshine
12.7 h
Average daylight
- UV index (max)
- 9
- Typical sun hours
- 05:32 - 18:15
Wet-day pattern
Rain & Snow
Typical rainfall
- Rainy days
- 12 days
- Cloud cover (avg)
- 39%
Air feel
Humidity & Wind
52%
Average humidity
- Wind (avg)
-
- Wind (max gusts)
-
Historical daily baseline
Daily climate explorer
Pick a day to inspect the usual conditions through October 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 October. Temperature 26.1°C.
Historical disruption baseline
Typical disruptions in October
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in October.
Washout risk Measures: Washout day risk. Observed about 12% of days (3.7 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.7 days / month
- Share of days
- ~12% of days
- Upper edge
- Up to ~27mm (P95)
Why this matters
Washout conditions are possible on ~4 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 6% of days (1.9 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.9 days / month
- Share of days
- ~6% of days
- Upper edge
- Up to ~82km/h (P95)
Why this matters
Strong gusts are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Stormy conditions Measures: Storm-impact proxy days. Observed about 4% of days (1.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.3 days / month
- Share of days
- ~4% of days
- Upper edge
- Up to ~68km/h (P95)
Why this matters
Stormy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Rain disruption Measures: Likely rain disruption days. Observed about 14% of days (4.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
4.3 days / month
- Share of days
- ~14% of days
- Upper edge
- Up to ~27mm (P95)
Why this matters
Rain disruption risk appears on ~4 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 13% of days (4.1 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
4.1 days / month
- Share of days
- ~13% of days
- Upper edge
- Up to ~5°C (P95)
Why this matters
Cold feels-like nights are possible on ~4 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Hot days Measures: Hot days (>=30C). Observed about 10% of days (3.1 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.1 days / month
- Share of days
- ~10% of days
- Upper edge
- Up to ~33°C (P95)
Why this matters
Hot days are possible on ~3 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Show all disruptions (15 more)
Washout run Measures: Multi-day washout runs. Observed about 0.9 days/month in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.9 days / month
- Share of days
- —
- Upper edge
- Up to ~27mm (P95)
Why this matters
Multi-day washout runs are possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Severe gusts Measures: Severe gust days (>=80 km/h). Observed about 1% of days (0.2 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.2 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~90km/h (P95)
Why this matters
Severe gusts are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 8% of days (2.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
2.5 days / month
- Share of days
- ~8% of days
- Upper edge
- Up to ~29mm (P95)
Why this matters
Heavy rain is possible on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 55% of days (16.9 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
16.9 days / month
- Share of days
- ~55% of days
- Upper edge
- Up to ~67km/h (P95)
Why this matters
Gusty conditions are possible on ~17 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 50% of days (15.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
15.6 days / month
- Share of days
- ~50% of days
- Upper edge
- Up to ~17mm (P95)
Why this matters
Measurable rain is possible on ~16 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 33% of days (10.2 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
10.2 days / month
- Share of days
- ~33% of days
- Upper edge
- Up to ~17h (P95)
Why this matters
Several rainy hours are possible on ~10 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 25% of days (7.7 days/month) in October. 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 ~98% (P95)
Why this matters
Cloudy skies are possible on ~8 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 19% of days (5.8 days/month) in October. 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 ~18h (P95)
Why this matters
Wet-most-of-day conditions are possible on ~6 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 11% of days (3.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
3.3 days / month
- Share of days
- ~11% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Mostly cloudy skies are possible on ~3 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
High humidity Measures: High humidity days (RH >=80%). Observed about 7% of days (2.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
2.3 days / month
- Share of days
- ~7% of days
- Upper edge
- Up to ~90% (P95)
Why this matters
High humidity is possible on ~2 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 3% of days (1.0 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
1.0 days / month
- Share of days
- ~3% of days
- Upper edge
- Up to ~100% (P95)
Why this matters
Overcast skies are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cold nights Measures: Cold nights (min <=5C). Observed about 2% of days (0.8 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.8 days / month
- Share of days
- ~2% of days
- Upper edge
- Up to ~5°C (P95)
Why this matters
Cold nights are possible on ~1 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 0.4 days/month in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.4 days / month
- Share of days
- —
- Upper edge
- Up to ~33°C (P95)
Why this matters
Heatwave runs are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 1% of days (0.3 days/month) in October. 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 ~30mm (P95)
Why this matters
Very heavy rain is possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 1% of days (0.2 days/month) in October. Historical risk signal only, not a day-by-day forecast.
Likely frequency
0.2 days / month
- Share of days
- ~1% of days
- Upper edge
- Up to ~32km/h (P95)
Why this matters
Breezy conditions are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Travel planning FAQ
Frequently asked questions
Quick answers to the weather questions you ask the most.
Is October a good time to visit Johannesburg South?
Typical October days in Johannesburg South reach highs of 25°C (77°F) with nights around 11°C (52°F). It usually feels warm by day and cool after dark. Overall, October sits in the middle of the Johannesburg South climate range.
What are temperatures like in October?
In October, you can usually expect highs of 25°C (77°F) and lows near 11°C (52°F). That means warm days and cool nights, so pack layers you can add or remove.
How much does it rain in October?
Rainfall in October averages 68 mm (2.7 in) across roughly 12 days. Overall it is a quite rainy time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in October?
You can expect about 13 hours of daylight in October. Sunrise is typically around 05:32 and sunset near 18:15. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in October?
UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.
Is it windy in October?
In October, average wind speeds are around 13 km/h (8 mph), with gusts on the windiest days reaching about 56 km/h (35 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.