Koblenz, Rheinland-Pfalz Weather by Month and Climate Averages

How much rain does Koblenz get?

Koblenz gets 786 mm of precipitation in an average year, spread over about 170 days with measurable rain. That is more rainy days than 56% of Germany.

December is the wettest month, with 88 mm. April is the driest, with 38 mm. December has the most rainy days, about 19.

The longest dry spell in the last five years lasted 15 days, to March 12, 2022.

Koblenz weather by month

Koblenz weather in January

In January, Koblenz averages a high of 4°C and a low of -1°C. It gets 72 mm of precipitation over about 17 rainy days. The sun is out about 18% of daylight hours. The January record high is 14°C (2015) and the record low is -18°C (2009).

Koblenz weather in February

In February, Koblenz averages a high of 6°C and a low of -1°C. It gets 61 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 -19°C (2012).

Koblenz weather in March

In March, Koblenz averages a high of 10°C and a low of 1°C. It gets 66 mm of precipitation over about 14 rainy days. The sun is out about 38% of daylight hours. The March record high is 26°C (2021) and the record low is -13°C (2010).

Koblenz weather in April

In April, Koblenz averages a high of 16°C and a low of 4°C. It gets 38 mm of precipitation over about 11 rainy days. The sun is out about 40% of daylight hours. The April record high is 28°C (2007) and the record low is -7°C (2013).

Koblenz weather in May

In May, Koblenz averages a high of 19°C and a low of 7°C. It gets 71 mm of precipitation over about 14 rainy days. The sun is out about 37% of daylight hours. The May record high is 32°C (2017) and the record low is -2°C (2021). May is one of the most comfortable months to visit.

Koblenz weather in June

In June, Koblenz averages a high of 22°C and a low of 11°C. It gets 71 mm of precipitation over about 13 rainy days. The sun is out about 42% of daylight hours. The June record high is 35°C (2019) and the record low is 3°C (2005). June is one of the most comfortable months to visit.

Koblenz weather in July

In July, Koblenz averages a high of 24°C and a low of 13°C. It gets 69 mm of precipitation over about 15 rainy days. The sun is out about 38% of daylight hours. The July record high is 38°C (2019) and the record low is 5°C (2015). July is one of the most comfortable months to visit.

Koblenz weather in August

In August, Koblenz averages a high of 23°C and a low of 12°C. It gets 72 mm of precipitation over about 14 rainy days. The sun is out about 40% of daylight hours. The August record high is 36°C (2013) and the record low is 4°C (2018). August is one of the most comfortable months to visit.

Koblenz weather in September

In September, Koblenz averages a high of 19°C and a low of 9°C. It gets 55 mm of precipitation over about 11 rainy days. The sun is out about 40% of daylight hours. The September record high is 32°C (2020) and the record low is -1°C (2018). September is one of the most comfortable months to visit.

Koblenz weather in October

In October, Koblenz averages a high of 14°C and a low of 6°C. It gets 61 mm of precipitation over about 14 rainy days. The sun is out about 23% of daylight hours. The October record high is 27°C (2011) and the record low is -6°C (2012).

Koblenz weather in November

In November, Koblenz averages a high of 8°C and a low of 3°C. It gets 62 mm of precipitation over about 15 rainy days. The sun is out about 20% of daylight hours. The November record high is 20°C (2020) and the record low is -8°C (2016).

Koblenz weather in December

In December, Koblenz averages a high of 5°C and a low of 0°C. It gets 88 mm of precipitation over about 19 rainy days. The sun is out about 14% of daylight hours. The December record high is 15°C (2019) and the record low is -18°C (2009).

Sunshine, humidity and wind in Koblenz

June is the sunniest month in Koblenz, with sunshine about 42% of daylight hours. December is the cloudiest, at 14%. Over the year the sun shines about 31% of daylight hours. Koblenz is cloudier than 60% of Germany.

Humidity peaks in December at 89% and is lowest in April at 65%.

Koblenz has about 4 days a year above 32°C. Koblenz is hotter than 62% of Germany.

First and last freeze in Koblenz

The first fall freeze in Koblenz typically comes around October 21, and the last spring freeze around May 3. That leaves a frost-free growing season of about 171 days.

Koblenz weather records

The hottest temperature on record at the Koblenz station is 38°C, on July 25, 2019. The coldest is -19°C, on February 7, 2012.

The wettest day on record brought 42 mm of rain, on August 26, 2014.

The best time to visit Koblenz

The most comfortable time to visit is typically May to September, when daytime highs sit near 22°C.

Winter (December–February) is chilly, with average highs around 5°C and lows near -1°C.

Spring (March–May) is mild, with average highs around 15°C and lows near 4°C.

Summer (June–August) is warm, with average highs around 23°C and lows near 12°C.

Autumn (September–November) is mild, with average highs around 14°C and lows near 6°C.

Koblenz climate questions

How much rain does Koblenz get?

Koblenz gets 786 mm of precipitation in an average year, over about 170 rainy days.

What is the wettest month in Koblenz?

December is the wettest month in Koblenz, with 88 mm. April is the driest, with 38 mm.

How many rainy days does Koblenz have a year?

Koblenz has about 170 days with measurable rain in an average year. December has the most, about 19.

What is the hottest month in Koblenz?

July is the warmest month in Koblenz, with an average high of 24°C.

What is the coldest month in Koblenz?

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

What is the record high temperature in Koblenz?

The record high at the Koblenz station is 38°C, set on July 25, 2019. The record low is -19°C, on February 7, 2012.

What is the sunniest month in Koblenz?

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

When is the first frost in Koblenz?

The first fall freeze in Koblenz typically comes around October 21. The last spring freeze is around May 3.

What is the best time to visit Koblenz?

The most comfortable time to visit is typically May to September, when daytime highs sit near 22°C.