Climate averages 1991–2020
Gießen weather
in January.
A cold, moderately wet month: the coolest and the joint 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Gießen: daytime highs average 4.0°C and nights cool to about -0.6°C. By daytime temperature it is the coolest month of the year.
Expect about 56 mm of rain on roughly 11 days, which makes January a moderately wet month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 32 min on an average January day.
The nearest other city in this atlas is Marburg an der Lahn (26 km away). In January its highs average 3.4°C, 0.6°C cooler than Gießen, with 58 mm of rain.
Among the 120 cities listed in Germany, Gießen ranks joint 71st of 120 for the warmest January highs and joint 20th of 120 for the driest January (rainfall, lowest first). The mean January high of those 120 cities is 4.2°C; Gießen is 0.2°C cooler than that mean.
From January to February, average highs rise by 1.4°C to 5.4°C, and monthly rainfall falls from 56 mm to 46 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Gießen climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 4.0°C-0.6°C | -0.6°C | 56 | 11.3 | 8.59 h |
| February | 5.4°C-0.7°C | -0.7°C | 46 | 9.7 | 10.010 h |
| March | 9.5°C1.5°C | 1.5°C | 51 | 11.1 | 11.812 h |
| April | 14.1°C4.6°C | 4.6°C | 46 | 9.8 | 13.814 h |
| May | 17.9°C8.9°C | 8.9°C | 59 | 10.9 | 15.515 h |
| June | 21.2°C12.2°C | 12.2°C | 61 | 10.7 | 16.416 h |
| July | 23.3°C14.3°C | 14.3°C | 67 | 11.8 | 16.016 h |
| August | 23.2°C14.2°C | 14.2°C | 60 | 10.3 | 14.515 h |
| September | 18.9°C10.8°C | 10.8°C | 55 | 9.1 | 12.713 h |
| October | 13.6°C7.0°C | 7.0°C | 55 | 10.9 | 10.811 h |
| November | 8.0°C3.3°C | 3.3°C | 56 | 11.1 | 9.09 h |
| December | 4.5°C0.3°C | 0.3°C | 67 | 13.1 | 8.18 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Marburg an der Lahn in JanuaryGermany · 26 kmHigh 3.4°C · Low -1.2°C · 58 mm rain
- Frankfurt am Main in JanuaryGermany · 52 kmHigh 4.4°C · Low -0.6°C · 56 mm rain
- Hanau am Main in JanuaryGermany · 53 kmHigh 4.4°C · Low -0.6°C · 69 mm rain
- Offenbach in JanuaryGermany · 54 kmHigh 4.4°C · Low -0.6°C · 56 mm rain
- Siegen in JanuaryGermany · 56 kmHigh 3.2°C · Low -1.4°C · 100 mm rain
- Wiesbaden in JanuaryGermany · 64 kmHigh 4.6°C · Low -0.1°C · 49 mm rain
- Mainz in JanuaryGermany · 73 kmHigh 4.4°C · Low -0.6°C · 49 mm rain
- Darmstadt in JanuaryGermany · 80 kmHigh 4.5°C · Low -0.4°C · 71 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Gießen) is explained once on the Gießen year overview and on the Sources, method and limits page.