AI-generatedHeilbronn at a glance
- Best time
- Apr – Sep
- Warmest month
- Jul · 26°
- Sunshine a year
- 1,780 h
- Rain a year
- 830 mm
- Climate
- Temperate
- Time zone
- UTC+1 / UTC+2
- Elevation
- 173 m
Climate in Heilbronn
Heilbronn has a temperate climate with warm summers and cool winters. July is the warmest month with average highs of 26 °C, while January is the coolest at 5 °C. With around 1,780 hours of sunshine a year, Heilbronn is moderately sunny; July is the sunniest month with 7.8 hours a day.
Holiday weather through the year
Best time to visit Heilbronn
The best time to visit Heilbronn is from April to September. For sightseeing, day trips and hiking, conditions are most comfortable in April, in June and from August to October. Rain is frequent from November to January; the wettest month is December with 86 mm.
Heilbronn through the seasons
How the weather changes over the seasons, with averages for each.
Heilbronn in spring
Mar – May
Good
- 12–21 °C by day
- 5.9 h of sun a day
- 35 rainy days in all
Heilbronn in summer
Jun – Aug
Good
- 24–26 °C by day
- 7.6 h of sun a day
- 35 rainy days in all
Heilbronn in autumn
Sep – Nov
Fair
- 10–21 °C by day
- 3.8 h of sun a day
- 34 rainy days in all
Heilbronn in winter
Dec – Feb
Poor
- 5–7 °C by day
- 2.1 h of sun a day
- 39 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr, Jun, Aug – Oct
15–28 °C and not too much rain
Rainy months
Nov – Jan
Rainy season or more than 12 rainy days
Snow
Dec – Feb
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Heilbronn for you.
Your best months: June, September
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Fair
Best time to visit: April – September
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 8°
- Midday, 13:00: about 15°
- Afternoon, 16:00: about 16°
- Evening, 20:00: about 12°
- Night, 23:00: about 10°
07:4218:35
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:22–08:25 · evening 17:52–18:55
- Blue hour
- Morning 07:10–07:22 · evening 18:55–19:07
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Heilbronn compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 18° at the start of the month to 13° at the end. The days get 1.7 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 18° | 13° |
| Night-time low | 9° | 6° |
| Daylight | 11.7 h | 10.0 h |
What is the weather like in Heilbronn in October?
In October, Heilbronn is cool: daytime highs average 16 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.7 hours a day. Rain is frequent, with about 12 rainy days and 75 mm in total. All in all, October is a so-so month for a holiday in Heilbronn.
More details for October
- Daylight
- 10 h 54 min07:42 – 18:35
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 69 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2offset from UTC
How the score comes together
- Temperatureweight 50 %78 %
- Sunshineweight 20 %12 %
- Few rainy daysweight 30 %43 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Heilbronn
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Heilbronn: score 80 against 54. In June, days are 8 °C warmer than in October. June has one rainy day fewer. The sun shines 4 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Holiday weather score | 54 | 80better |
| Daytime high | 16° | 24° |
| Night-time low | 8° | 13° |
| Sunshine | 3.7 h | 7.7 hbetter |
| Rainy days | 12 | 11better |
| Rainfall | 75 mm | 60 mmbetter |
Based on the climate averages 1996–2025.
Heilbronn month by month
The typical weather for every month at a glance.
11January5° · 1.9 h
In January, Heilbronn is cold: daytime highs average 5 °C, and nights cool down to about 0 °C. The sun is scarce, with only about 1.9 hours a day. Rain is frequent, with about 13 rainy days and 76 mm in total. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in Heilbronn.
Heilbronn in January14February7° · 2.9 h
In February, Heilbronn is cold: daytime highs average 7 °C, and nights cool down to about 0 °C. The sun is scarce, with only about 2.9 hours a day. Rain is frequent, with about 12 rainy days and 69 mm in total. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Heilbronn.
Heilbronn in February37March12° · 4.4 h
In March, Heilbronn is cool: daytime highs average 12 °C, and nights cool down to about 3 °C. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 69 mm in total. All in all, March is not an ideal month for a holiday in Heilbronn.
Heilbronn in March72April17° · 6.3 h
In April, Heilbronn is mild: daytime highs average 17 °C, and nights cool down to about 6 °C. Expect around 6.3 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 52 mm in total. All in all, April is a good month for a holiday in Heilbronn.
Heilbronn in April74May21° · 7.0 h
In May, Heilbronn is mild: daytime highs average 21 °C, and nights cool down to about 10 °C. The sun shines for around 7.0 hours a day. Rain is frequent, with about 13 rainy days and 77 mm in total. All in all, May is a good month for a holiday in Heilbronn.
Heilbronn in May80June24° · 7.7 h
In June, Heilbronn is warm: daytime highs average 24 °C, and nights cool down to about 13 °C. The sun shines for around 7.7 hours a day. Rain is frequent, with about 11 rainy days and 60 mm in total. All in all, June is an excellent month for a holiday in Heilbronn.
Heilbronn in June78July26° · 7.8 h
In July, Heilbronn is warm: daytime highs average 26 °C, and nights cool down to about 15 °C. The sun shines for around 7.8 hours a day. Rain is frequent, with about 13 rainy days and 71 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, July is a good month for a holiday in Heilbronn.
Heilbronn in July80August26° · 7.4 h
In August, Heilbronn is warm: daytime highs average 26 °C, and nights cool down to about 15 °C. The sun shines for around 7.4 hours a day. Rain is frequent, with about 11 rainy days and 61 mm in total. On about 7 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Heilbronn.
Heilbronn in August76September21° · 5.7 h
In September, Heilbronn is warm: daytime highs average 21 °C, and nights cool down to about 11 °C. Expect around 5.7 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 63 mm in total. All in all, September is a good month for a holiday in Heilbronn.
Heilbronn in September54October16° · 3.7 h
In October, Heilbronn is cool: daytime highs average 16 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.7 hours a day. Rain is frequent, with about 12 rainy days and 75 mm in total. All in all, October is a so-so month for a holiday in Heilbronn.
Heilbronn in October20November10° · 2.1 h
In November, Heilbronn is cold: daytime highs average 10 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 2.1 hours a day. Rain is frequent, with about 12 rainy days and 73 mm in total. All in all, November is not an ideal month for a holiday in Heilbronn.
Heilbronn in November7December6° · 1.6 h
In December, Heilbronn is cold: daytime highs average 6 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 1.6 hours a day. It rains often – on about 15 days, adding up to 86 mm. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Heilbronn.
Heilbronn in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Heilbronn
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 8°. A duvet at night and a jumper for the evening.
The coolest nights are in January (0°), the warmest in July (15°). Nights are pleasant for sleeping (15 to 20 °C) from July to August. Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 11 | 5° | 0° | 1.9 h | 13 | 76 |
| FebruaryFeb | 14 | 7° | 0° | 2.9 h | 12 | 69 |
| MarchMar | 37 | 12° | 3° | 4.4 h | 12 | 69 |
| AprilApr | 72 | 17° | 6° | 6.3 h | 10 | 52 |
| MayMay | 74 | 21° | 10° | 7.0 h | 13 | 77 |
| JuneJun | 80 | 24° | 13° | 7.7 h | 11 | 60 |
| JulyJul | 78 | 26° | 15° | 7.8 h | 13 | 71 |
| AugustAug | 80 | 26° | 15° | 7.4 h | 11 | 61 |
| SeptemberSep | 76 | 21° | 11° | 5.7 h | 10 | 63 |
| OctoberOct | 54 | 16° | 8° | 3.7 h | 12 | 75 |
| NovemberNov | 20 | 10° | 4° | 2.1 h | 12 | 73 |
| DecemberDec | 7 | 6° | 1° | 1.6 h | 15 | 86 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
49.14° N, 9.22° E · 173 m · Europe/Berlin
Sunshine hours in Heilbronn
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 3.7 of 10.9 hours of daylight in Heilbronn, 34 % of the daylight hours.
Sunshine hours: measured at the weather station 23 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Heilbronn: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Heilbronn has about 12 rainy days with 75 mm of rain in total.
UV index in Heilbronn
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 2 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 8).
Minutes until sunburn in October
- Very fair skin
- about 55 min
- Fair skin
- about 70 min
- Light brown skin
- about 100 min
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Heilbronn
How breezy and how cloudy Heilbronn is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Heilbronn typically peaks at 14 km/h during the day: Beaufort 3, gentle breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 69 % of the sky over Heilbronn: mostly cloudy, with about 3.7 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Heilbronn
How often the day gets hot in Heilbronn (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Heilbronn has about 0 hot days, with an average daytime high of 16 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Heilbronn
Snow is possible in Heilbronn, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Heilbronn.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Planning a trip to Heilbronn
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Heilbronn in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Heilbronn has its best school-holiday weather during the summer holidays (score 79) and its weakest during the Christmas holidays (score 9).
- 62
Easter holidays
Mar – Apr
Good
- 15 °C by day
- 5.7 h of sun a day
- 11 rainy days a month
- 75
May half-term
May – Jun
Good
- 21 °C by day
- 7.1 h of sun a day
- 12 rainy days a month
- 79
Summer holidays
Jul – Aug
GoodBest holidays
- 26 °C by day
- 7.5 h of sun a day
- 12 rainy days a month
- 54
October half-term
Oct
Fair
- 16 °C by day
- 3.7 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 9
Christmas holidays
Dec – Jan
Poor
- 6 °C by day
- 1.8 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain, Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 1 h 25 min
- Distance
- 730 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Heilbronn compared
Put Heilbronn side by side with another destination.
Heilbronn vs Bad Wimpfen
In October the holiday weather in Heilbronn and Bad Wimpfen is about equally good (score 54 vs 51). During the day Bad Wimpfen is 1 °C cooler than Heilbronn.
| in October | Heilbronn | Bad Wimpfen |
|---|---|---|
| Holiday weather score | 54 | 51 |
| Daytime high | 16° | 15° |
| Sunshine | 4 h | 4 h |
| Rainy days | 12 | 12 |
| Best time | Apr – Sep | Apr – Sep |
Through the year
Germany in October: the best places
In October, Heilbronn ranks 9 among the 31 nearest destinations in this country.
- Karlsruhe16°58
- 2Bad Dürkheim16°58
- 3Bad Wimpfen15°56
- 4Pforzheim16°56
- 5Backnang16°55
- 6Stuttgart16°55
- 7Landau in der Pfalz16°55
- 8Worms16°55
- 9HeilbronnThis page16°54
Near Heilbronn
Other destinations close by.
Places with a climate like Heilbronn
Destinations whose weather through the year is closest to Heilbronn's – good alternatives.
Frequently asked questions about Heilbronn
When is the best time to visit Heilbronn?
The best time to visit Heilbronn is from April to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Heilbronn?
July is the warmest month, with average highs of 26 °C and nights around 15 °C. January is the coolest month at 5 °C.
When does it rain most in Heilbronn?
Rain is frequent from November to January; the wettest month is December with 86 mm. The driest month is April with 52 mm.
How many hours of sunshine does Heilbronn get?
Heilbronn gets around 1,780 hours of sunshine a year. The sunniest month is July with 7.8 hours a day; in December there are 1.6 hours a day.
What time zone is Heilbronn in?
Heilbronn is on UTC+1 in January and UTC+2 in July.
How long is the flight from London to Heilbronn?
A nonstop flight from London to Heilbronn takes about 1 h 25 min, for a straight-line distance of about 730 km.
Which school holidays are best for Heilbronn?
Heilbronn has its best school-holiday weather during the summer holidays (score 79) and its weakest during the Christmas holidays (score 9). Holiday ratings (0–100): Easter holidays 62, May half-term 75, summer holidays 79, October half-term 54, Christmas holidays 9.