Climate averages 1991–2020
Trier weather
in January.
A cold, moderately wet month: the coolest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Trier: daytime highs average 4.8°C and nights cool to about 0.0°C. By daytime temperature it is the coolest month of the year.
Expect about 82 mm of rain on roughly 13 days, which makes January a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 38 min on an average January day.
The nearest other city in this atlas is Luxembourg (40 km away). In January its highs average 4.5°C, about as warm as Trier, with 68 mm of rain.
Among the 120 cities listed in Germany, Trier ranks joint 36th of 120 for the warmest January highs and 102nd of 120 for the driest January (rainfall, lowest first). The mean January high of those 120 cities is 4.2°C; Trier is 0.6°C warmer than that mean.
From January to February, average highs rise by 1.4°C to 6.2°C, and monthly rainfall falls from 82 mm to 68 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
Trier climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 4.8°C0.0°C | 0.0°C | 82 | 13.1 | 8.69 h |
| February | 6.2°C0.0°C | 0.0°C | 68 | 11.3 | 10.110 h |
| March | 10.1°C2.0°C | 2.0°C | 70 | 12.7 | 11.912 h |
| April | 14.3°C4.8°C | 4.8°C | 57 | 11.6 | 13.714 h |
| May | 18.0°C9.0°C | 9.0°C | 73 | 12.9 | 15.415 h |
| June | 21.2°C12.1°C | 12.1°C | 72 | 11.9 | 16.216 h |
| July | 23.4°C14.3°C | 14.3°C | 71 | 12.3 | 15.916 h |
| August | 23.3°C14.1°C | 14.1°C | 70 | 11.2 | 14.514 h |
| September | 19.1°C10.9°C | 10.9°C | 67 | 10.4 | 12.713 h |
| October | 14.2°C7.6°C | 7.6°C | 73 | 11.8 | 10.811 h |
| November | 8.8°C3.8°C | 3.8°C | 77 | 13.0 | 9.19 h |
| December | 5.4°C1.0°C | 1.0°C | 99 | 14.4 | 8.28 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
- Luxembourg in JanuaryLuxembourg · 40 kmHigh 4.5°C · Low -0.4°C · 68 mm rain
- Saarbrücken in JanuaryGermany · 64 kmHigh 4.9°C · Low 0.0°C · 79 mm rain
- Metz in JanuaryFrance · 78 kmHigh 5.1°C · Low 0.2°C · 67 mm rain
- Kaiserslautern in JanuaryGermany · 89 kmHigh 4.5°C · Low -0.2°C · 57 mm rain
- Koblenz in JanuaryGermany · 94 kmHigh 4.9°C · Low 0.3°C · 51 mm rain
- Bonn in JanuaryGermany · 114 kmHigh 5.4°C · Low 0.7°C · 63 mm rain
- Düren in JanuaryGermany · 117 kmHigh 5.0°C · Low 0.4°C · 62 mm rain
- Aachen in JanuaryGermany · 120 kmHigh 4.9°C · Low 0.4°C · 74 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 Trier) is explained once on the Trier year overview and on the Sources, method and limits page.