AI-generatedAachen at a glance
- Best time
- May – Sep
- Warmest month
- Aug · 22°
- Sunshine a year
- 1,640 h
- Rain a year
- 903 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 266 m
Climate in Aachen
Aachen has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 22 °C, while January is the coolest at 4 °C. With around 1,640 hours of sunshine a year, Aachen is moderately sunny; June is the sunniest month with 6.9 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Fair
Best time to visit: May – September
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 8°
- Midday, 13:00: about 13°
- Afternoon, 16:00: about 14°
- Evening, 20:00: about 12°
- Night, 23:00: about 10°
07:5718:46
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 07:36–08:42 · evening 18:01–19:06
- Blue hour
- Morning 07:24–07:36 · evening 19:06–19:19
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.
What is the weather like in Aachen in October?
In October, Aachen is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 13 rainy days and 70 mm in total. All in all, October is a so-so month for a holiday in Aachen.
More details for October
- Daylight
- 10 h 49 min07:57 – 18:46
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 72 %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+2Europe/Berlin
How the score comes together
- Temperatureweight 50 %59 %
- Sunshineweight 20 %15 %
- Few rainy daysweight 30 %36 %
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
Sunshine hours in Aachen
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 3.9 of 10.8 hours of daylight in Aachen, 36 % of the day.
Sunshine hours: measured at the weather station 1 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Aachen
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 65 min
- Fair skin
- about 80 min
- Light brown skin
- about 115 min
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, 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.
Rain in Aachen: 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, Aachen has about 13 rainy days with 70 mm of rain in total.
Wind and clouds in Aachen
How breezy and how cloudy Aachen 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 Aachen typically peaks at 21 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 72 % of the sky over Aachen: mostly cloudy, with about 3.9 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 Aachen
How often the day gets hot in Aachen (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, Aachen has about 0 hot days, with an average daytime high of 14 °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 Aachen
Snow is possible in Aachen, 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 Aachen.
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.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Aachen
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°
CoolOctober: nights around 8°. A duvet at night and a jumper for the evening.
The coolest nights are in January (0°), the warmest in August (14°). 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 | 9 | 4° | 0° | 2.2 h | 14 | 74 |
| FebruaryFeb | 11 | 6° | 0° | 2.7 h | 13 | 69 |
| MarchMar | 20 | 9° | 2° | 4.1 h | 14 | 69 |
| AprilApr | 47 | 13° | 4° | 5.6 h | 12 | 60 |
| MayMay | 65 | 17° | 8° | 6.3 h | 14 | 78 |
| JuneJun | 74 | 20° | 12° | 6.9 h | 13 | 84 |
| JulyJul | 69 | 22° | 13° | 6.7 h | 15 | 94 |
| AugustAug | 70 | 22° | 14° | 6.4 h | 14 | 89 |
| SeptemberSep | 71 | 18° | 11° | 5.0 h | 11 | 69 |
| OctoberOct | 43 | 14° | 8° | 3.9 h | 13 | 70 |
| NovemberNov | 12 | 9° | 4° | 2.3 h | 14 | 69 |
| DecemberDec | 7 | 5° | 1° | 1.7 h | 15 | 79 |
Climate averages 1996–2025, 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
50.78° N, 6.08° E · 266 m · Europe/Berlin
Best time to visit Aachen
The best time to visit Aachen is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in September. Rain is most frequent from October to August; the wettest month is July with 94 mm.
Aachen through the seasons
How the weather changes over the seasons, with averages for each.
Aachen in spring
Mar – May
Fair
- 9–17 °C by day
- 5 h of sun a day
- 39 rainy days in all
Aachen in summer
Jun – Aug
Good
- 20–22 °C by day
- 7 h of sun a day
- 42 rainy days in all
Aachen in autumn
Sep – Nov
Fair
- 9–18 °C by day
- 4 h of sun a day
- 38 rainy days in all
Aachen in winter
Dec – Feb
Poor
- 4–6 °C by day
- 2 h of sun a day
- 42 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Aachen for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Aachen
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 Aachen: score 74 against 43. In June, days are 6 °C warmer than in October. The sun shines 3 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Weather score | 43 | 74better |
| Day high | 14° | 20° |
| Night low | 8° | 12° |
| Sunshine | 3.9 h | 6.9 hbetter |
| Rainy days | 13 | 13 |
| Rainfall | 70 mmbetter | 84 mm |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Sep
15–28 °C and not too much rain
Rainy months
Oct – Aug
12 or more rainy days
Snow
Dec – Feb
Snow on 2 or more days
Aachen month by month
The typical weather for every month at a glance.
9January4° · 2 h
In January, Aachen is cold: daytime highs average 4 °C, and nights often drop below freezing (0 °C). The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 14 rainy days and 74 mm in total. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in Aachen.
Aachen in January11February6° · 3 h
In February, Aachen is cold: daytime highs average 6 °C, and nights cool down to about 0 °C. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 13 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 Aachen.
Aachen in February20March9° · 4 h
In March, Aachen is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 69 mm in total. Snow falls on about 2 days. All in all, March is not an ideal month for a holiday in Aachen.
Aachen in March47April13° · 6 h
In April, Aachen is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 60 mm in total. All in all, April is a so-so month for a holiday in Aachen.
Aachen in April65May17° · 6 h
In May, Aachen is mild: daytime highs average 17 °C, and nights cool down to about 8 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 78 mm in total. All in all, May is a good month for a holiday in Aachen.
Aachen in May74June20° · 7 h
In June, Aachen is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 13 rainy days and 84 mm in total. All in all, June is a good month for a holiday in Aachen.
Aachen in June69July22° · 7 h
In July, Aachen is warm: daytime highs average 22 °C, and nights cool down to about 13 °C. The sun shines for around 7 hours a day. It rains often – on about 15 days, adding up to 94 mm. All in all, July is a good month for a holiday in Aachen.
Aachen in July70August22° · 6 h
In August, Aachen is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 89 mm in total. All in all, August is a good month for a holiday in Aachen.
Aachen in August71September18° · 5 h
In September, Aachen is mild: daytime highs average 18 °C, and nights cool down to about 11 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 69 mm in total. All in all, September is a good month for a holiday in Aachen.
Aachen in September43October14° · 4 h
In October, Aachen is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 13 rainy days and 70 mm in total. All in all, October is a so-so month for a holiday in Aachen.
Aachen in October12November9° · 2 h
In November, Aachen is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 14 rainy days and 69 mm in total. All in all, November is not an ideal month for a holiday in Aachen.
Aachen in November7December5° · 2 h
In December, Aachen is cold: daytime highs average 5 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 2 hours a day. It rains often – on about 15 days, adding up to 79 mm. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Aachen.
Aachen in DecemberAachen compared
Put Aachen side by side with another destination.
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Aachen vs. Eupen
In October the holiday weather in Aachen and Eupen is about equally good (score 43 vs. 42). During the day it is about as warm in Eupen as in Aachen.
| in October | Aachen | Eupen |
|---|---|---|
| Holiday score | 43 | 42 |
| Daytime high | 14° | 14° |
| Sunshine | 4 h | 4 h |
| Rainy days | 13 | 14 |
| Best time | May – Sep | May – Sep |
Through the year
Germany in October: the best places
In October, Aachen ranks 23 among the 31 nearest destinations in this country.
- Karlsruhe16°55
- 2Worms15°53
- 3Mannheim15°53
- 4Heidelberg15°53
- 5Baden-Baden15°52
- 6Wiesbaden15°50
- 7Mainz15°50
- 8Darmstadt15°50
- 23AachenThis page14°43
Planning a trip to Aachen
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Aachen 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.
Aachen has its best school-holiday weather during the summer holidays (score 70) and its weakest during the Christmas holidays (score 8).
- 39
Easter holidays
Mar – Apr
Poor
- 12 °C by day
- 5.1 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 67
May half-term
May – Jun
Good
- 18 °C by day
- 6.4 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 70
Summer holidays
Jul – Aug
GoodBest holidays
- 22 °C by day
- 6.5 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 43
October half-term
Oct
Fair
- 14 °C by day
- 3.9 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 8
Christmas holidays
Dec – Jan
Poor
- 5 °C by day
- 2.0 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
- Short trip – train or car is often quicker
- Distance
- 460 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.
Frequently asked questions about Aachen
When is the best time to visit Aachen?
The best time to visit Aachen is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Aachen?
August is the warmest month, with average highs of 22 °C and nights around 14 °C. January is the coolest month at 4 °C.
When does it rain most in Aachen?
Rain is most frequent from October to August; the wettest month is July with 94 mm. The driest month is April with 60 mm.
How many hours of sunshine does Aachen get?
Aachen gets around 1,640 hours of sunshine a year. The sunniest month is June with 6.9 hours a day; in December there are 1.7 hours a day.
What time zone is Aachen in?
Aachen uses the time zone Europe/Berlin: UTC+1 in January and UTC+2 in July.
Which school holidays are best for Aachen?
Aachen has its best school-holiday weather during the summer holidays (score 70) and its weakest during the Christmas holidays (score 8). Holiday ratings (0–100): Easter holidays 39, May half-term 67, Summer holidays 70, October half-term 43, Christmas holidays 8.
Near Aachen
Other destinations close by.
Places with a climate like Aachen
Destinations whose weather through the year is closest to Aachen's – good alternatives.