Heilbron weather in October

In October, Heilbron sees average daytime highs of 26°C and overnight lows near 13°C, with 76 mm of rain across 9.8 wet days and about 12.7 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 51% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of October to 13 hours by month's end. Set against the rest of the year, October is Heilbron's 7th-clearest and 1st-windiest month. For the whole year in context, see Heilbron's year-round climate.

Daytime high
26°
5th warmest
Overnight low
13°
7th coldest
Rainfall
76 mm
9.8 wet days
Daylight
12 h 42 min
5:33 AM – 6:13 PM
Cloud cover
41%
7th clearest
Wind
13 km/h
1st windiest
Solar energy
6.62 kWh/m²
Travel score
7.1
out of 10

Heilbron is town in the Free State, South Africa.

Founded
1872

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical October day in Heilbron reaches about 26°C in the afternoon and slips back to 13°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 31°C. Set against its neighbours, October runs about 1°C warmer than September and on par with November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12611
22612
32612
42612
52612
62612
72612
82612
92612
102612
112612
122612
132612
142612
152613
162613
172613
182613
192613
202613
212613
222613
232613
242613
252613
262613
272613
282613
292613
302613
312613

How October really feels in Heilbron

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Heilbron weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 16°1241513.55.9
Feb27° / 16°8712.6136.2
Mar25° / 14°8111.112.26.9
Apr23° / 11°436.911.47.7
May21° / 193.110.78.1
Jun18° / 101.710.37.8
Jul18° / 61.110.57.9
Aug21° / 152.4118.4
Sep25° / 10°203.211.88.6
Oct26° / 13°769.812.77.1
Nov26° / 14°9812.513.36.4
Dec27° / 15°13916.613.75.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 20% of October, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37723
47723
57723
67624
77624
87525
97525
107327
117327
127327
137129
147129
157129
166931
176931
186931
196832
206832
216733
226733
236832
246733
256733
266832
276832
286832
296931
306931
316931

Chance of precipitation in October

Any precipitation

Heilbron gets around 76 mm of rain over 9.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 37% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
119
220
321
422
523
624
725
826
926
1027
1128
1229
1330
1431
1531
1632
1733
1834
1934
2035
2136
2236
2336
2437
2537
2637
2737
2837
2937
3037
3137

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
5991
6991
7991
8982
9982
10973
11973
12964
13955
14946
15937
16928
17919
189010
198911
208911
218812
228713
238713
248713
258713
268614
278614
288614
298614
308614
318515

Wind in October

Winds average 13 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 18 min at the start of October to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over October. Sunrise moves from 5:49 AM to 5:21 AM, and sunset from 6:05 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:496:05
212.35:486:05
312.35:476:06
412.35:466:06
512.45:456:07
612.45:446:07
712.45:436:08
812.45:426:08
912.55:416:09
1012.55:396:10
1112.55:386:10
1212.65:376:11
1312.65:366:11
1412.65:356:12
1512.65:346:12
1612.75:336:13
1712.75:326:14
1812.75:316:14
1912.75:306:15
2012.85:306:15
2112.85:296:16
2212.85:286:17
2312.85:276:17
2412.95:266:18
2512.95:256:19
2612.95:246:19
2712.95:246:20
2813.05:236:21
2913.05:226:21
3013.05:216:22
3113.05:216:23

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.62 kWh/m².

For context, solar energy here swings from a low near 3.82 kWh/m² to a high of 7.07 kWh/m² in December across the year — October's 6.62 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.5Intense
116.5Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
316.9Intense
Planning a trip in October

Hazard calendar for Heilbron

In seasonPeak

In October, Heilbron sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Heilbron's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Heilbron?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.1
Sightseeing
7th-best month of the year
6.7
Beach & pool
2nd-best month of the year

October is one of the better times to visit Heilbron for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Heilbron in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Heilbron sees daytime highs around 26°C and nights near 13°C. Pack sun protection. Worth having: light clothes and rain gear. About 10 days see rain.

sun protectionlight clothesrain gear

UV index in Heilbron in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Heilbron peaks around January 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 14UV 15Jun 20UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5High
Aug7Very high
Sep9Very high
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Heilbron in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Heilbron is worst in July — around 103 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (January, 24 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 11103 µg/m³Jan 1124 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb32Moderate
Mar48Poor
Apr64Unhealthy
May88Unhealthy
Jun100Unhealthy
Jul103Unhealthy
Aug83Unhealthy
Sep65Unhealthy
Oct44Poor
Nov31Moderate
Dec25Moderate
Location & terrain

Where is Heilbron?

Heilbron sits at 27.3°S, 28.0°E, 1,539 m above sea level, in South Africa. The nearest listed city is Koppies, 39 km away.

Topography around Heilbron

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Heilbron.

Within 3 km, the terrain around Heilbron has only modest variations in elevation — a maximum elevation change of 83 m around an average of 1,555 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 268 m; within 80 km, significant variations in elevation — a maximum elevation change of 455 m.

The land around Heilbron is covered by grassland (56%) and cropland (22%) within 3 km, grassland (51%) and cropland (47%) within 16 km, and grassland (56%) and cropland (40%) within 80 km.

3 km
83 m
16 km
268 m
80 km
455 m
treesshrubsgrasslandcroplandartificial surfaceswater
October weather nearby: Koppies 39 km · Deneysville 45 km · Mamafubedu 46 km · Frankfort 52 km · Sasolburg 54 km · Vanderbijlpark 65 km · Parys 66 km · Vredefort 67 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Heilbron (-27.2812°, 27.9709°, elevation 1,539 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).