Climate guideThirty-year normals for Trier
Trier climate by month
Oceanic · CfbBest May–Jun · Sep
Annual mean11°day and night
Seasonal swing17°warmest vs coolest
Precipitation844 mm152 wet days a year
49.76° N, 6.64° EElevation 141 mUTC+1 · Central European Standard Time
When to goTrier · weather score
Best timeMay–Jun · Sep
October: high / low15° / 7°
iSummary
What the weather is like
Trier has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is July, when afternoons average 25° and nights 14°. January is the coolest month, with highs of 5° and lows of 0°. The difference between the warmest and the coolest month is about 17°.
About 844 mm of precipitation falls in an average year. December is the wettest month (86 mm, 15 wet days) and September the driest (70 mm, 9 wet days). Cloud cover ranges from 33% in July to 56% in December.
Compared with Berlin, the capital, Trier is 0.2° warmer on a July afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 25° · July
- Coldest nights
- 0° · January
- Wettest month
- December
- Driest month
- September
- Clearest skies
- July · 33% cloud
- Longest day
- 16 h 18 min
- Shortest day
- 8 h 09 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 5° | 7° | 11° | 16° | 20° | 23° | 25° | 25° | 20° | 15° | 9° | 5° |
| Average low | 0° | 0° | 2° | 5° | 9° | 12° | 14° | 14° | 10° | 7° | 3° | 1° |
| Precipitation | 77 mm | 61 mm | 68 mm | 55 mm | 68 mm | 72 mm | 71 mm | 68 mm | 70 mm | 78 mm | 70 mm | 86 mm |
| Wet days (≥1 mm) | 14 | 12.3 | 12.2 | 10 | 13.2 | 13.2 | 13.9 | 13.7 | 9.2 | 12.4 | 12.9 | 15.3 |
| Cloud cover | 54% | 48% | 46% | 40% | 40% | 37% | 33% | 34% | 40% | 47% | 54% | 56% |
| Daylight | 8h 35 | 10h 07 | 11h 49 | 13h 44 | 15h 22 | 16h 18 | 15h 55 | 14h 29 | 12h 40 | 10h 50 | 9h 06 | 8h 09 |
| Month score | 15 | 22 | 29 | 62 | 65 | 66 | 64 | 65 | 74 | 47 | 18 | 14 |
ivMonth by month
Trier in every month
January15
5° / 0°
77 mm · 14 wet days
February22
7° / 0°
61 mm · 12.3 wet days
March29
11° / 2°
68 mm · 12.2 wet days
April62
16° / 5°
55 mm · 10 wet days
May65
20° / 9°
68 mm · 13.2 wet days
June66
23° / 12°
72 mm · 13.2 wet days
July64
25° / 14°
71 mm · 13.9 wet days
August65
25° / 14°
68 mm · 13.7 wet days
September74
20° / 10°
70 mm · 9.2 wet days
October47
15° / 7°
78 mm · 12.4 wet days
November18
9° / 3°
70 mm · 12.9 wet days
December14
5° / 1°
86 mm · 15.3 wet days