AI-generatedJena at a glance
- Best time
- May – Sep
- Warmest month
- Aug · 24°
- Sunshine a year
- 1,700 h
- Rain a year
- 633 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 149 m
Climate in Jena
Jena has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 24 °C, while January is the coolest at 4 °C. With around 1,700 hours of sunshine a year, Jena is moderately sunny; July is the sunniest month with 7.3 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Fair
Best time to visit: May – September
A typical day in October
- Morning, 08:00: about 8°
- Midday, 13:00: about 14°
- Afternoon, 16:00: about 14°
- Evening, 20:00: about 11°
- Night, 23:00: about 10°
07:3518:24
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 07:14–08:20 · evening 17:38–18:44
- Blue hour
- Morning 07:02–07:14 · evening 18:44–18:57
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 Jena in October?
In October, Jena is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 11 rainy days and 51 mm in total. All in all, October is a so-so month for a holiday in Jena.
More details for October
- Daylight
- 10 h 49 min07:35 – 18:24
- 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
- 71 %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 %63 %
- Sunshineweight 20 %10 %
- Few rainy daysweight 30 %54 %
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 Jena
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 3.6 of 10.8 hours of daylight in Jena, 33 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Jena
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 Jena: 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, Jena has about 11 rainy days with 51 mm of rain in total.
Wind and clouds in Jena
How breezy and how cloudy Jena 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 Jena typically peaks at 17 km/h during the day: Beaufort 3, light breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 71 % of the sky over Jena: mostly cloudy, with about 3.6 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 Jena
How often the day gets hot in Jena (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, Jena 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 Jena
Snow is possible in Jena, 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 Jena.
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 Jena
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
ColdOctober: nights around 7°. The room should be heated.
The coolest nights are in January (−1°), 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 October 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 | 14 | 4° | −1° | 1.9 h | 12 | 46 |
| FebruaryFeb | 17 | 6° | −1° | 2.9 h | 10 | 40 |
| MarchMar | 23 | 9° | 1° | 4.1 h | 12 | 46 |
| AprilApr | 59 | 14° | 4° | 6.2 h | 9 | 41 |
| MayMay | 78 | 18° | 9° | 6.9 h | 11 | 62 |
| JuneJun | 79 | 22° | 13° | 7.2 h | 11 | 56 |
| JulyJul | 77 | 24° | 15° | 7.3 h | 12 | 72 |
| AugustAug | 79 | 24° | 15° | 6.9 h | 11 | 63 |
| SeptemberSep | 75 | 20° | 11° | 5.3 h | 10 | 57 |
| OctoberOct | 50 | 14° | 7° | 3.6 h | 11 | 51 |
| NovemberNov | 18 | 8° | 3° | 2.0 h | 11 | 51 |
| DecemberDec | 14 | 5° | 0° | 1.5 h | 12 | 49 |
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
50.93° N, 11.59° E · 149 m · Europe/Berlin
Best time to visit Jena
The best time to visit Jena is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable from May to June and from August to September. Rain is most frequent in March and in July; the wettest month is July with 72 mm.
Jena through the seasons
How the weather changes over the seasons, with averages for each.
Jena in spring
Mar – May
Fair
- 9–18 °C by day
- 6 h of sun a day
- 33 rainy days in all
Jena in summer
Jun – Aug
Good
- 22–24 °C by day
- 7 h of sun a day
- 34 rainy days in all
Jena in autumn
Sep – Nov
Fair
- 8–20 °C by day
- 4 h of sun a day
- 31 rainy days in all
Jena in winter
Dec – Feb
Poor
- 4–6 °C by day
- 2 h of sun a day
- 33 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Jena for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Jena
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 Jena: score 79 against 50. In June, days are 8 °C warmer than in October. The sun shines 4 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Weather score | 50 | 79better |
| Day high | 14° | 22° |
| Night low | 7° | 13° |
| Sunshine | 3.6 h | 7.2 hbetter |
| Rainy days | 11 | 11 |
| Rainfall | 51 mm | 56 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
May – Jun, Aug – Sep
15–28 °C and not too much rain
Rainy months
Mar, Jul
12 or more rainy days
Snow
Dec – Feb
Snow on 2 or more days
Jena month by month
The typical weather for every month at a glance.
14January4° · 2 h
In January, Jena is cold: daytime highs average 4 °C, and nights often drop below freezing (−1 °C). The sun is scarce, with only about 2 hours a day. Precipitation, often as snow, falls on about 12 days, totalling 46 mm. Snow falls on about 4 days. All in all, January is not an ideal month for a holiday in Jena.
Jena in January17February6° · 3 h
In February, Jena is cold: daytime highs average 6 °C, and nights often drop below freezing (−1 °C). The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 10 rainy days and 40 mm in total. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Jena.
Jena in February23March9° · 4 h
In March, Jena is cold: daytime highs average 9 °C, and nights cool down to about 1 °C. Expect around 4 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 46 mm in total. Snow falls on about 2 days. All in all, March is not an ideal month for a holiday in Jena.
Jena in March59April14° · 6 h
In April, Jena is cool: daytime highs average 14 °C, and nights cool down to about 4 °C. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 41 mm in total. All in all, April is a so-so month for a holiday in Jena.
Jena in April78May18° · 7 h
In May, Jena is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 62 mm in total. All in all, May is a good month for a holiday in Jena.
Jena in May79June22° · 7 h
In June, Jena is warm: daytime highs average 22 °C, and nights cool down to about 13 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 56 mm in total. All in all, June is a good month for a holiday in Jena.
Jena in June77July24° · 7 h
In July, Jena is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 72 mm in total. All in all, July is a good month for a holiday in Jena.
Jena in July79August24° · 7 h
In August, Jena is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 63 mm in total. All in all, August is a good month for a holiday in Jena.
Jena in August75September20° · 5 h
In September, Jena is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 57 mm in total. All in all, September is a good month for a holiday in Jena.
Jena in September50October14° · 4 h
In October, Jena is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 11 rainy days and 51 mm in total. All in all, October is a so-so month for a holiday in Jena.
Jena in October18November8° · 2 h
In November, Jena is cold: daytime highs average 8 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 11 rainy days and 51 mm in total. All in all, November is not an ideal month for a holiday in Jena.
Jena in November14December5° · 2 h
In December, Jena is cold: daytime highs average 5 °C, and nights cool down to about 0 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 12 rainy days and 49 mm in total. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Jena.
Jena in DecemberJena compared
Put Jena side by side with another destination.
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Jena vs. Weimar
In October the holiday weather in Jena and Weimar is about equally good (score 50 vs. 47). During the day it is about as warm in Weimar as in Jena.
| in October | Jena | Weimar |
|---|---|---|
| Holiday score | 50 | 47 |
| Daytime high | 14° | 14° |
| Sunshine | 4 h | 4 h |
| Rainy days | 11 | 10 |
| Best time | May – Sep | May – Sep |
Through the year
Germany in October: the best places
In October, Jena ranks 3 among the 31 nearest destinations in this country.
- Halle (Saale)14°51
- 2Tangermünde14°51
- 3JenaThis page14°50
- 4Lutherstadt Wittenberg14°50
- 5Havelberg14°50
- 6Leipzig14°49
- 7Magdeburg14°49
- 8Dresden14°49
Planning a trip to Jena
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Jena 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.
Jena has its best school-holiday weather during May half-term (score 78) and its weakest during the Christmas holidays (score 14).
- 48
Easter holidays
Mar – Apr
Fair
- 13 °C by day
- 5.6 h of sun a day
- 10 rainy days a month
Keep in mind: Frequent rain
- 78
May half-term
May – Jun
GoodBest holidays
- 19 °C by day
- 7.0 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 78
Summer holidays
Jul – Aug
Good
- 24 °C by day
- 7.0 h of sun a day
- 11 rainy days a month
Keep in mind: Frequent rain
- 50
October half-term
Oct
Fair
- 14 °C by day
- 3.6 h of sun a day
- 11 rainy days a month
- 14
Christmas holidays
Dec – Jan
Poor
- 4 °C by day
- 1.7 h of sun a day
- 12 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 1 h 30 min
- Distance
- 840 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 Jena
When is the best time to visit Jena?
The best time to visit Jena 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 Jena?
August is the warmest month, with average highs of 24 °C and nights around 15 °C. January is the coolest month at 4 °C.
When does it rain most in Jena?
Rain is most frequent in March and in July; the wettest month is July with 72 mm. The driest month is February with 40 mm.
How many hours of sunshine does Jena get?
Jena gets around 1,700 hours of sunshine a year. The sunniest month is July with 7.3 hours a day; in December there are 1.5 hours a day.
What time zone is Jena in?
Jena uses the time zone Europe/Berlin: UTC+1 in January and UTC+2 in July.
How long is the flight from London to Jena?
A nonstop flight from London to Jena takes about 1 h 30 min, for a straight-line distance of about 840 km.
Which school holidays are best for Jena?
Jena has its best school-holiday weather during May half-term (score 78) and its weakest during the Christmas holidays (score 14). Holiday ratings (0–100): Easter holidays 48, May half-term 78, Summer holidays 78, October half-term 50, Christmas holidays 14.
Near Jena
Other destinations close by.
Places with a climate like Jena
Destinations whose weather through the year is closest to Jena's – good alternatives.