Kaiyuan, Liaoning Weather by Month and Climate Averages

Kaiyuan, Liaoning gets 620 mm of precipitation a year over about 86 rainy days. July is the warmest month (average high 29°C) and January the coldest (average low -18°C).

Kaiyuan climate at a glance

Humid continental climate

Kaiyuan, Liaoning has warm summers and cold winters. Daytime highs range from about -7°C in January to 29°C in July. August is usually the wettest month. The most comfortable time to visit is typically May and September, when daytime highs sit near 23°C.

How much rain does Kaiyuan get?

Kaiyuan gets 620 mm of precipitation in an average year, spread over about 86 days with measurable rain. That is fewer rainy days than 57% of China.

August is the wettest month, with 168 mm. January is the driest, with 6 mm. July has the most rainy days, about 12.

The longest dry spell in the last five years lasted 71 days, to February 27, 2022.

Kaiyuan weather by month

Kaiyuan weather in January

In January, Kaiyuan averages a high of -7°C and a low of -18°C. It gets 6 mm of precipitation over about 4 rainy days. The sun is out about 69% of daylight hours. The January record high is 6°C (1976) and the record low is -34°C (2018).

Kaiyuan weather in February

In February, Kaiyuan averages a high of -2°C and a low of -14°C. It gets 6 mm of precipitation over about 3 rainy days. The sun is out about 64% of daylight hours. The February record high is 16°C (1992) and the record low is -33°C (2024).

Kaiyuan weather in March

In March, Kaiyuan averages a high of 6°C and a low of -6°C. It gets 14 mm of precipitation over about 5 rainy days. The sun is out about 60% of daylight hours. The March record high is 23°C (2023) and the record low is -25°C (1971).

Kaiyuan weather in April

In April, Kaiyuan averages a high of 16°C and a low of 3°C. It gets 25 mm of precipitation over about 6 rainy days. The sun is out about 54% of daylight hours. The April record high is 31°C (2015) and the record low is -11°C (1972).

Kaiyuan weather in May

In May, Kaiyuan averages a high of 23°C and a low of 11°C. It gets 62 mm of precipitation over about 10 rainy days. The sun is out about 47% of daylight hours. The May record high is 36°C (2019) and the record low is -3°C (1972). May is one of the most comfortable months to visit.

Kaiyuan weather in June

In June, Kaiyuan averages a high of 27°C and a low of 16°C. It gets 92 mm of precipitation over about 12 rainy days. The sun is out about 43% of daylight hours. The June record high is 37°C (1997) and the record low is 5°C (1992).

Kaiyuan weather in July

In July, Kaiyuan averages a high of 29°C and a low of 20°C. It gets 143 mm of precipitation over about 12 rainy days. The sun is out about 34% of daylight hours. The July record high is 36°C (2002) and the record low is 11°C (2017).

Kaiyuan weather in August

In August, Kaiyuan averages a high of 28°C and a low of 18°C. It gets 168 mm of precipitation over about 12 rainy days. The sun is out about 42% of daylight hours. The August record high is 36°C (2009) and the record low is 3°C (2017).

Kaiyuan weather in September

In September, Kaiyuan averages a high of 23°C and a low of 11°C. It gets 49 mm of precipitation over about 7 rainy days. The sun is out about 50% of daylight hours. The September record high is 33°C (2002) and the record low is -3°C (1977). September is one of the most comfortable months to visit.

Kaiyuan weather in October

In October, Kaiyuan averages a high of 15°C and a low of 3°C. It gets 28 mm of precipitation over about 6 rainy days. The sun is out about 65% of daylight hours. The October record high is 28°C (2019) and the record low is -13°C (1984).

Kaiyuan weather in November

In November, Kaiyuan averages a high of 3°C and a low of -7°C. It gets 18 mm of precipitation over about 5 rainy days. The sun is out about 61% of daylight hours. The November record high is 21°C (2003) and the record low is -22°C (1992).

Kaiyuan weather in December

In December, Kaiyuan averages a high of -5°C and a low of -16°C. It gets 8 mm of precipitation over about 4 rainy days. The sun is out about 78% of daylight hours. The December record high is 12°C (1989) and the record low is -32°C (2019).

Sunshine, humidity and wind in Kaiyuan

December is the sunniest month in Kaiyuan, with sunshine about 78% of daylight hours. July is the cloudiest, at 34%. Over the year the sun shines about 56% of daylight hours. Kaiyuan is sunnier than 72% of China.

Humidity peaks in August at 81% and is lowest in April at 42%.

Kaiyuan has about 6 days a year above 32°C. Kaiyuan is cooler than 80% of China.

First and last freeze in Kaiyuan

The first fall freeze in Kaiyuan typically comes around October 9, and the last spring freeze around April 21. That leaves a frost-free growing season of about 171 days.

Kaiyuan weather records

The hottest temperature on record at the Kaiyuan station is 37°C, on June 28, 1997. The coldest is -34°C, on January 11, 2018.

The wettest day on record brought 167 mm of rain, on July 29, 2019.

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

The annual mean temperature has changed by +0.2°C per decade since 1970.

The best time to visit Kaiyuan

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

Winter (December–February) is cold, with average highs around -5°C and lows near -16°C.

Spring (March–May) is mild, with average highs around 15°C and lows near 3°C.

Summer (June–August) is warm, with average highs around 28°C and lows near 18°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 14°C and lows near 2°C.

Monthly climate

MonthPrecipRain daysHumiditySunshineRecord highRecord low
January5.6 mm459%69%-34°
February6.3 mm352%64%16°-33°
March14 mm546%60%23°-25°
April25 mm642%54%31°-11°
May62 mm1049%47%36°-3°
June92 mm1264%43%37°
July143 mm1277%34%36°11°
August168 mm1281%42%36°
September49 mm774%50%33°-3°
October28 mm660%65%28°-13°
November18 mm566%61%21°-22°
December7.9 mm457%78%12°-32°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Kaiyuan climate questions

How much rain does Kaiyuan get?

Kaiyuan gets 620 mm of precipitation in an average year, over about 86 rainy days.

What is the wettest month in Kaiyuan?

August is the wettest month in Kaiyuan, with 168 mm. January is the driest, with 6 mm.

How many rainy days does Kaiyuan have a year?

Kaiyuan has about 86 days with measurable rain in an average year. July has the most, about 12.

What is the hottest month in Kaiyuan?

July is the warmest month in Kaiyuan, with an average high of 29°C.

What is the coldest month in Kaiyuan?

January is the coldest month in Kaiyuan, with an average low of -18°C.

What is the record high temperature in Kaiyuan?

The record high at the Kaiyuan station is 37°C, set on June 28, 1997. The record low is -34°C, on January 11, 2018.

What is the sunniest month in Kaiyuan?

December is the sunniest month in Kaiyuan, with sunshine about 78% of daylight hours. July is the cloudiest.

When is the first frost in Kaiyuan?

The first fall freeze in Kaiyuan typically comes around October 9. The last spring freeze is around April 21.

What is the best time to visit Kaiyuan?

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

Source: NOAA GHCN-Daily station SIPING (76 km away).

GraySky app icon
GraySky on your iPhone
See the forecast and climate for Kaiyuan, Liaoning.
App Store

Normals from NOAA GHCN-Daily station SIPING.