Spring (March–May): Average 6.8–15.4°C, mild climate, increasing sunshine, moderate rainfall. Common activities: Outdoor walks, visiting Jena University and museums. Suggested clothing: Light jacket, comfortable long-sleeved shirt.
Summer (June–August): Average 19.3–20.8°C, warm and humid, occasional rainfall. Common activities: Walking along the Ilm River, enjoying outdoor cafes, attending local festivals. Suggested clothing: Light and breathable clothing, short-sleeved shirts, sun hat.
Autumn (September–November): Average 16.2–6.2°C, gradually decreasing temperatures, relatively high rainfall, especially in September. Common activities: Visiting the Jena Botanical Garden, enjoying autumn scenery. Suggested clothing: Warm jacket, comfortable trousers.
Winter (December–February): Average 3.4–5.8°C, cold and dry, occasional snowfall. Common activities: Indoor museum visits, enjoying hot drinks. Suggested clothing: Heavy coat, warm hoodie, scarf, gloves.
Jena climatological average
Annual average temperature: approx. 11.7°C / Annual rainfall: approx. 577 mm / Summer humidity: 60%–70% / Rainiest month: September
Jena monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
3.4°C
43
February
5.8°C
45
March
6.8°C
36.7
April
9.6°C
40.4
May
15.4°C
38.6
June
19.3°C
39.6
July
20.4°C
65.3
August
20.8°C
61.3
September
16.2°C
68.5
October
12.5°C
47.3
November
6.2°C
38.3
December
3.6°C
53.1
Jena weather for the next seven days
10/27
Monday
Moderate rain
9.8°C/4.6°C
10/28
Tuesday
Patchy rain nearby
10.8°C/6.7°C
10/29
Wednesday
Patchy rain nearby
13.7°C/8.3°C
10/30
Thursday
Patchy rain nearby
14°C/7.6°C
10/31
Friday
Patchy rain nearby
16.4°C/7.6°C
11/1
Saturday
Patchy rain nearby
15°C/10.4°C
11/2
Sunday
Partly Cloudy
12.8°C/9°C
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