Trier, Rheinland-Pfalz Weather by Month and Climate Averages

How much rain does Trier get?

Trier gets 745 mm of precipitation in an average year, spread over about 169 days with measurable rain. That is more rainy days than 52% of Germany.

December is the wettest month, with 77 mm. April is the driest, with 44 mm. December has the most rainy days, about 17.

The longest dry spell in the last five years lasted 22 days, to June 7, 2023.

Trier weather by month

Trier weather in January

In January, Trier averages a high of 4°C and a low of -1°C. It gets 64 mm of precipitation over about 17 rainy days. The sun is out about 18% of daylight hours. The January record high is 14°C (2023) and the record low is -18°C (1979).

Trier weather in February

In February, Trier averages a high of 6°C and a low of 0°C. It gets 53 mm of precipitation over about 15 rainy days. The sun is out about 26% of daylight hours. The February record high is 21°C (2019) and the record low is -16°C (2012).

Trier weather in March

In March, Trier averages a high of 11°C and a low of 2°C. It gets 51 mm of precipitation over about 14 rainy days. The sun is out about 37% of daylight hours. The March record high is 24°C (2021) and the record low is -14°C (2005).

Trier weather in April

In April, Trier averages a high of 16°C and a low of 5°C. It gets 44 mm of precipitation over about 12 rainy days. The sun is out about 40% of daylight hours. The April record high is 29°C (2018) and the record low is -6°C (1986).

Trier weather in May

In May, Trier averages a high of 19°C and a low of 9°C. It gets 67 mm of precipitation over about 14 rainy days. The sun is out about 38% of daylight hours. The May record high is 34°C (2017) and the record low is -1°C (1981). May is one of the most comfortable months to visit.

Trier weather in June

In June, Trier averages a high of 23°C and a low of 12°C. It gets 65 mm of precipitation over about 13 rainy days. The sun is out about 42% of daylight hours. The June record high is 41°C (2026) and the record low is 1°C (1991). June is one of the most comfortable months to visit.

Trier weather in July

In July, Trier averages a high of 25°C and a low of 14°C. It gets 73 mm of precipitation over about 13 rainy days. The sun is out about 40% of daylight hours. The July record high is 41°C (2019) and the record low is 4°C (1984). July is one of the most comfortable months to visit.

Trier weather in August

In August, Trier averages a high of 25°C and a low of 13°C. It gets 62 mm of precipitation over about 13 rainy days. The sun is out about 40% of daylight hours. The August record high is 39°C (2003) and the record low is 4°C (1978). August is one of the most comfortable months to visit.

Trier weather in September

In September, Trier averages a high of 21°C and a low of 10°C. It gets 60 mm of precipitation over about 11 rainy days. The sun is out about 40% of daylight hours. The September record high is 35°C (2020) and the record low is 1°C (1972). September is one of the most comfortable months to visit.

Trier weather in October

In October, Trier averages a high of 14°C and a low of 7°C. It gets 66 mm of precipitation over about 14 rainy days. The sun is out about 24% of daylight hours. The October record high is 28°C (2011) and the record low is -5°C (2012).

Trier weather in November

In November, Trier averages a high of 8°C and a low of 3°C. It gets 62 mm of precipitation over about 17 rainy days. The sun is out about 20% of daylight hours. The November record high is 21°C (2020) and the record low is -11°C (1998).

Trier weather in December

In December, Trier averages a high of 5°C and a low of 1°C. It gets 77 mm of precipitation over about 17 rainy days. The sun is out about 13% of daylight hours. The December record high is 17°C (1989) and the record low is -16°C (2009).

Sunshine, humidity and wind in Trier

June is the sunniest month in Trier, with sunshine about 42% of daylight hours. December is the cloudiest, at 13%. Over the year the sun shines about 32% of daylight hours. Trier is cloudier than 56% of Germany.

Humidity peaks in December at 91% and is lowest in April at 65%.

Trier has about 6 days a year above 32°C. Trier is hotter than 85% of Germany.

First and last freeze in Trier

The first fall freeze in Trier typically comes around November 2, and the last spring freeze around April 17. That leaves a frost-free growing season of about 199 days.

Trier weather records

The hottest temperature on record at the Trier station is 41°C, on July 25, 2019. The coldest is -18°C, on January 1, 1979.

The wettest day on record brought 64 mm of rain, on July 14, 2021.

51 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.4°C per decade since 1970.

The best time to visit Trier

The most comfortable time to visit is typically May to September, when daytime highs sit near 23°C.

Winter (December–February) is chilly, with average highs around 5°C and lows near 0°C.

Spring (March–May) is mild, with average highs around 15°C and lows near 5°C.

Summer (June–August) is warm, with average highs around 24°C and lows near 13°C.

Autumn (September–November) is mild, with average highs around 15°C and lows near 7°C.

Trier climate questions

How much rain does Trier get?

Trier gets 745 mm of precipitation in an average year, over about 169 rainy days.

What is the wettest month in Trier?

December is the wettest month in Trier, with 77 mm. April is the driest, with 44 mm.

How many rainy days does Trier have a year?

Trier has about 169 days with measurable rain in an average year. December has the most, about 17.

What is the hottest month in Trier?

July is the warmest month in Trier, with an average high of 25°C.

What is the coldest month in Trier?

January is the coldest month in Trier, with an average low of -1°C.

What is the record high temperature in Trier?

The record high at the Trier station is 41°C, set on July 25, 2019. The record low is -18°C, on January 1, 1979.

What is the sunniest month in Trier?

June is the sunniest month in Trier, with sunshine about 42% of daylight hours. December is the cloudiest.

When is the first frost in Trier?

The first fall freeze in Trier typically comes around November 2. The last spring freeze is around April 17.

What is the best time to visit Trier?

The most comfortable time to visit is typically May to September, when daytime highs sit near 23°C.