AI-generatedSiegen at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 23°
- Sunshine a year
- 1,550 h
- Rain a year
- 1,032 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 272 m
Climate in Siegen
Siegen has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 23 °C, while January is the coolest at 4 °C. With around 1,550 hours of sunshine a year, Siegen is rather dull; July is the sunniest month with 6.8 hours a day.
Holiday weather through the year
Best time to visit Siegen
The best time to visit Siegen is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in September. Rain is frequent from October to March; the wettest month is December with 108 mm.
Siegen through the seasons
How the weather changes over the seasons, with averages for each.
Siegen in spring
Mar – May
Fair
- 9–18 °C by day
- 5.4 h of sun a day
- 38 rainy days in all
Siegen in summer
Jun – Aug
Good
- 21–23 °C by day
- 6.7 h of sun a day
- 41 rainy days in all
Siegen in autumn
Sep – Nov
Poor
- 8–18 °C by day
- 3.2 h of sun a day
- 40 rainy days in all
Siegen in winter
Dec – Feb
Poor
- 4–5 °C by day
- 1.7 h of sun a day
- 44 rainy days in all
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 – Mar
Rainy season or more than 12 rainy days
Snow
Dec – Mar
Snow on 2 or more days
Find your perfect month
Tell us what you like and we rate every month in Siegen for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Poor
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 13°
- Evening, 20:00: about 11°
- Night, 23:00: about 10°
07:4918:38
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:29–08:34 · evening 17:53–18:58
- Blue hour
- Morning 07:16–07:29 · evening 18:58–19:11
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 Siegen compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 16° at the start of the month to 11° at the end. The days get 1.8 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 16° | 11° |
| Night-time low | 9° | 6° |
| Daylight | 11.7 h | 9.9 h |
What is the weather like in Siegen in October?
In October, Siegen is cool: daytime highs average 13 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.1 hours a day. It rains often – on about 14 days, adding up to 88 mm. All in all, October is not an ideal month for a holiday in Siegen.
More details for October
- Daylight
- 10 h 49 min07:49 – 18:38
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 74 %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 %53 %
- Sunshineweight 20 %2 %
- Few rainy daysweight 30 %28 %
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 Siegen
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 Siegen: score 74 against 35. 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 | 35 | 74better |
| Daytime high | 13° | 21° |
| Night-time low | 8° | 13° |
| Sunshine | 3.1 h | 6.7 hbetter |
| Rainy days | 14 | 13better |
| Rainfall | 88 mm | 79 mm |
Based on the climate averages 1996–2025.
Siegen month by month
The typical weather for every month at a glance.
6January4° · 1.5 h
In January, Siegen is cold: daytime highs average 4 °C, and nights cool down to about 0 °C. The sun is scarce, with only about 1.5 hours a day. Precipitation falls on about 15 days, totalling 103 mm; on about 5 of them it snows. All in all, January is not an ideal month for a holiday in Siegen.
Siegen in January11February5° · 2.5 h
In February, Siegen is cold: daytime highs average 5 °C, and nights cool down to about 0 °C. The sun is scarce, with only about 2.5 hours a day. Rain is frequent, with about 13 rainy days and 87 mm in total. Snow falls on about 4 days. All in all, February is not an ideal month for a holiday in Siegen.
Siegen in February18March9° · 3.9 h
In March, Siegen is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 3.9 hours a day. Rain is frequent, with about 14 rainy days and 81 mm in total. Snow falls on about 2 days. All in all, March is not an ideal month for a holiday in Siegen.
Siegen in March53April14° · 5.9 h
In April, Siegen is cool: daytime highs average 14 °C, and nights cool down to about 6 °C. Expect around 5.9 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 64 mm in total. All in all, April is a so-so month for a holiday in Siegen.
Siegen in April72May18° · 6.4 h
In May, Siegen is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 78 mm in total. All in all, May is a good month for a holiday in Siegen.
Siegen in May74June21° · 6.7 h
In June, Siegen is warm: daytime highs average 21 °C, and nights cool down to about 13 °C. The sun shines for around 6.7 hours a day. Rain is frequent, with about 13 rainy days and 79 mm in total. All in all, June is a good month for a holiday in Siegen.
Siegen in June71July23° · 6.8 h
In July, Siegen is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sun shines for around 6.8 hours a day. It rains often – on about 14 days, adding up to 89 mm. All in all, July is a good month for a holiday in Siegen.
Siegen in July71August23° · 6.5 h
In August, Siegen is warm: daytime highs average 23 °C, and nights cool down to about 15 °C. The sun shines for around 6.5 hours a day. Rain is frequent, with about 14 rainy days and 88 mm in total. All in all, August is a good month for a holiday in Siegen.
Siegen in August71September18° · 4.9 h
In September, Siegen is mild: daytime highs average 18 °C, and nights cool down to about 12 °C. Expect around 4.9 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 77 mm in total. All in all, September is a good month for a holiday in Siegen.
Siegen in September35October13° · 3.1 h
In October, Siegen is cool: daytime highs average 13 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 3.1 hours a day. It rains often – on about 14 days, adding up to 88 mm. All in all, October is not an ideal month for a holiday in Siegen.
Siegen in October7November8° · 1.5 h
In November, Siegen is cold: daytime highs average 8 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 1.5 hours a day. It rains often – on about 15 days, adding up to 90 mm. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Siegen.
Siegen in November4December5° · 1.1 h
In December, Siegen is cold: daytime highs average 5 °C, and nights cool down to about 1 °C. The sun is scarce, with only about 1.1 hours a day. It rains often – on about 16 days, adding up to 108 mm. Snow falls on about 4 days. All in all, December is not an ideal month for a holiday in Siegen.
Siegen in DecemberClimate in detail
Year & climate table
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Siegen
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 | 6 | 4° | 0° | 1.5 h | 15 | 103 |
| FebruaryFeb | 11 | 5° | 0° | 2.5 h | 13 | 87 |
| MarchMar | 18 | 9° | 3° | 3.9 h | 14 | 81 |
| AprilApr | 53 | 14° | 6° | 5.9 h | 12 | 64 |
| MayMay | 72 | 18° | 10° | 6.4 h | 13 | 78 |
| JuneJun | 74 | 21° | 13° | 6.7 h | 13 | 79 |
| JulyJul | 71 | 23° | 15° | 6.8 h | 14 | 89 |
| AugustAug | 71 | 23° | 15° | 6.5 h | 14 | 88 |
| SeptemberSep | 71 | 18° | 12° | 4.9 h | 11 | 77 |
| OctoberOct | 35 | 13° | 8° | 3.1 h | 14 | 88 |
| NovemberNov | 7 | 8° | 4° | 1.5 h | 15 | 90 |
| DecemberDec | 4 | 5° | 1° | 1.1 h | 16 | 108 |
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
50.87° N, 8.02° E · 272 m · Europe/Berlin
Sunshine
Sunshine hours in Siegen
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 3.1 of 10.8 hours of daylight in Siegen, 29 % of the daylight hours.
Sunshine hours: measured at the weather station 24 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain
Rain in Siegen: 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, Siegen has about 14 rainy days with 88 mm of rain in total.
UV index
UV index in Siegen
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 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 & clouds
Wind and clouds in Siegen
How breezy and how cloudy Siegen 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 Siegen typically peaks at 17 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 74 % of the sky over Siegen: mostly cloudy, with about 3.1 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 & humidity
Heat and humidity in Siegen
How often the day gets hot in Siegen (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, Siegen has about 0 hot days, with an average daytime high of 13 °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
Snow in Siegen
Snow is possible in Siegen, 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 Siegen.
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 Siegen
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Siegen 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.
Siegen has its best school-holiday weather during May half-term (score 72) and its weakest during the Christmas holidays (score 5).
- 42
Easter holidays
Mar – Apr
Fair
- 13 °C by day
- 5.3 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain, Snow
- 72
May half-term
May – Jun
GoodBest holidays
- 19 °C by day
- 6.5 h of sun a day
- 13 rainy days a month
- 71
Summer holidays
Jul – Aug
Good
- 23 °C by day
- 6.6 h of sun a day
- 14 rainy days a month
- 35
October half-term
Oct
Poor
- 13 °C by day
- 3.1 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 5
Christmas holidays
Dec – Jan
Poor
- 4 °C by day
- 1.3 h of sun a day
- 16 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 15 min
- Distance
- 590 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.
Good to know: Germany
- Currency
- Euro (EUR)
- Language
- German
- Sockets
- Type C, F · 230 V
- Traffic
- Drives on the right
- Dialling code
- +49
- Emergency number
- 112
UK plugs need a travel adapter
Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.
Compare & alternatives
Compare with another place
Siegen compared
Put Siegen side by side with another destination.
Siegen vs Marburg
In October Marburg has the better holiday weather (score 44 vs 35). During the day Marburg is 1 °C warmer than Siegen.
| in October | Siegen | Marburg |
|---|---|---|
| Holiday weather score | 35 | 44 |
| Daytime high | 13° | 14° |
| Sunshine | 3 h | 3 h |
| Rainy days | 14 | 11 |
| Best time | May – Sep | May – Sep |
Through the year
Best places in the country
Germany in October: the best places
In October, Siegen ranks 30 among the 31 nearest destinations in this country.
- Bonn16°54
- 2Hanau16°54
- 3Frankfurt16°53
- 4Cologne16°52
- 5Cochem15°51
- 6Bad Kreuznach15°51
- 7Koblenz16°50
- 8Wiesbaden15°50
- 30SiegenThis page13°35
Places nearby
Near Siegen
Other destinations close by.
Places with a similar climate
Places with a climate like Siegen
Destinations whose weather through the year is closest to Siegen's – good alternatives.
Frequently asked questions about Siegen
When is the best time to visit Siegen?
The best time to visit Siegen 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 Siegen?
July is the warmest month, with average highs of 23 °C and nights around 15 °C. January is the coolest month at 4 °C.
When does it rain most in Siegen?
Rain is frequent from October to March; the wettest month is December with 108 mm. The driest month is April with 64 mm.
How many hours of sunshine does Siegen get?
Siegen gets around 1,550 hours of sunshine a year. The sunniest month is July with 6.8 hours a day; in December there are 1.1 hours a day.
What time zone is Siegen in?
Siegen is on UTC+1 in January and UTC+2 in July.
How long is the flight from London to Siegen?
A nonstop flight from London to Siegen takes about 1 h 15 min, for a straight-line distance of about 590 km.
Which school holidays are best for Siegen?
Siegen has its best school-holiday weather during May half-term (score 72) and its weakest during the Christmas holidays (score 5). Holiday ratings (0–100): Easter holidays 42, May half-term 72, summer holidays 71, October half-term 35, Christmas holidays 5.