Kastamonu, Kastamonu Weather by Month and Climate Averages

How much rain does Kastamonu get?

Kastamonu gets 504 mm of precipitation in an average year, spread over about 106 days with measurable rain.

June is the wettest month, with 79 mm. November is the driest, with 27 mm. May has the most rainy days, about 13.

The longest dry spell in the last five years lasted 11 days, to August 3, 2022.

Kastamonu weather by month

Kastamonu weather in January

In January, Kastamonu averages a high of 4°C and a low of -3°C. It gets 35 mm of precipitation over about 10 rainy days. The sun is out about 34% of daylight hours. The January record high is 17°C (2001) and the record low is -19°C (2008).

Kastamonu weather in February

In February, Kastamonu averages a high of 6°C and a low of -3°C. It gets 27 mm of precipitation over about 9 rainy days. The sun is out about 33% of daylight hours. The February record high is 21°C (2024) and the record low is -20°C (2012).

Kastamonu weather in March

In March, Kastamonu averages a high of 11°C and a low of -1°C. It gets 36 mm of precipitation over about 11 rainy days. The sun is out about 32% of daylight hours. The March record high is 27°C (1991) and the record low is -15°C (2004).

Kastamonu weather in April

In April, Kastamonu averages a high of 17°C and a low of 3°C. It gets 47 mm of precipitation over about 11 rainy days. The sun is out about 40% of daylight hours. The April record high is 31°C (1998) and the record low is -8°C (1981). April is one of the most comfortable months to visit.

Kastamonu weather in May

In May, Kastamonu averages a high of 22°C and a low of 7°C. It gets 77 mm of precipitation over about 13 rainy days. The sun is out about 44% of daylight hours. The May record high is 35°C (2007) and the record low is -3°C (1981). May is one of the most comfortable months to visit.

Kastamonu weather in June

In June, Kastamonu averages a high of 25°C and a low of 11°C. It gets 79 mm of precipitation over about 11 rainy days. The sun is out about 53% of daylight hours. The June record high is 38°C (2007) and the record low is 2°C (2003).

Kastamonu weather in July

In July, Kastamonu averages a high of 28°C and a low of 13°C. It gets 35 mm of precipitation over about 6 rainy days. The sun is out about 74% of daylight hours. The July record high is 42°C (2000) and the record low is 4°C (1985).

Kastamonu weather in August

In August, Kastamonu averages a high of 29°C and a low of 13°C. It gets 35 mm of precipitation over about 5 rainy days. The sun is out about 74% of daylight hours. The August record high is 41°C (2006) and the record low is 3°C (1970).

Kastamonu weather in September

In September, Kastamonu averages a high of 24°C and a low of 9°C. It gets 36 mm of precipitation over about 6 rainy days. The sun is out about 58% of daylight hours. The September record high is 37°C (2003) and the record low is 0°C (1993). September is one of the most comfortable months to visit.

Kastamonu weather in October

In October, Kastamonu averages a high of 19°C and a low of 6°C. It gets 33 mm of precipitation over about 8 rainy days. The sun is out about 47% of daylight hours. The October record high is 32°C (2003) and the record low is -8°C (1973). October is one of the most comfortable months to visit.

Kastamonu weather in November

In November, Kastamonu averages a high of 11°C and a low of 1°C. It gets 27 mm of precipitation over about 8 rainy days. The sun is out about 39% of daylight hours. The November record high is 26°C (2023) and the record low is -10°C (2011).

Kastamonu weather in December

In December, Kastamonu averages a high of 4°C and a low of -2°C. It gets 36 mm of precipitation over about 10 rainy days. The sun is out about 37% of daylight hours. The December record high is 18°C (2023) and the record low is -14°C (2013).

Sunshine, humidity and wind in Kastamonu

July is the sunniest month in Kastamonu, with sunshine about 74% of daylight hours. March is the cloudiest, at 32%. Over the year the sun shines about 47% of daylight hours. Kastamonu is cloudier than 88% of Turkey.

Humidity peaks in December at 79% and is lowest in August at 54%.

Kastamonu has about 11 days a year above 32°C. Kastamonu is cooler than 76% of Turkey.

First and last freeze in Kastamonu

The first fall freeze in Kastamonu typically comes around October 27, and the last spring freeze around April 25. That leaves a frost-free growing season of about 185 days.

Kastamonu weather records

The hottest temperature on record at the Kastamonu station is 42°C, on July 30, 2000. The coldest is -20°C, on February 2, 2012.

The wettest day on record brought 80 mm of rain, on January 8, 2019.

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

The best time to visit Kastamonu

The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 20°C.

Winter (December–February) is chilly, with average highs around 5°C and lows near -3°C.

Spring (March–May) is mild, with average highs around 16°C and lows near 3°C.

Summer (June–August) is warm, with average highs around 27°C and lows near 12°C.

Autumn (September–November) is mild, with average highs around 18°C and lows near 5°C.

Kastamonu climate questions

How much rain does Kastamonu get?

Kastamonu gets 504 mm of precipitation in an average year, over about 106 rainy days.

What is the wettest month in Kastamonu?

June is the wettest month in Kastamonu, with 79 mm. November is the driest, with 27 mm.

How many rainy days does Kastamonu have a year?

Kastamonu has about 106 days with measurable rain in an average year. May has the most, about 13.

What is the hottest month in Kastamonu?

August is the warmest month in Kastamonu, with an average high of 29°C.

What is the coldest month in Kastamonu?

January is the coldest month in Kastamonu, with an average low of -3°C.

What is the record high temperature in Kastamonu?

The record high at the Kastamonu station is 42°C, set on July 30, 2000. The record low is -20°C, on February 2, 2012.

What is the sunniest month in Kastamonu?

July is the sunniest month in Kastamonu, with sunshine about 74% of daylight hours. March is the cloudiest.

When is the first frost in Kastamonu?

The first fall freeze in Kastamonu typically comes around October 27. The last spring freeze is around April 25.

What is the best time to visit Kastamonu?

The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 20°C.