- WinterDec–Feb-5°7°
- December-6°6°
- January-7°5°
- February-3°9°
- SpringMar–May7°21°
- March2°16°
- April7°22°
- May11°25°
- SummerJun–Aug17°29°
- June16°28°
- July18°30°
- August18°29°
- AutumnSep–Nov7°18°
- September13°23°
- October7°18°
- November0°12°
Tianshui, Gansu Weather by Month and Climate Averages
Tianshui, Gansu gets 531 mm of precipitation a year over about 89 rainy days. July is the warmest month (average high 30°C) and January the coldest (average low -7°C).
Tianshui climate at a glance
Tianshui, Gansu has hot summers and chilly winters. Daytime highs range from about 5°C in January to 30°C in July. July is usually the wettest month. The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 22°C.
How much rain does Tianshui get?
Tianshui gets 531 mm of precipitation in an average year, spread over about 89 days with measurable rain. That is fewer rainy days than 56% of China.
July is the wettest month, with 105 mm. January is the driest, with 3 mm. September has the most rainy days, about 12.
The longest dry spell in the last five years lasted 52 days, to January 18, 2024.
Tianshui weather by month
Tianshui weather in January
In January, Tianshui averages a high of 5°C and a low of -7°C. It gets 3 mm of precipitation over about 3 rainy days. The sun is out about 38% of daylight hours. The January record high is 17°C (2014) and the record low is -16°C (2011).
Tianshui weather in February
In February, Tianshui averages a high of 9°C and a low of -3°C. It gets 7 mm of precipitation over about 4 rainy days. The sun is out about 34% of daylight hours. The February record high is 22°C (2020) and the record low is -13°C (2008).
Tianshui weather in March
In March, Tianshui averages a high of 16°C and a low of 2°C. It gets 18 mm of precipitation over about 5 rainy days. The sun is out about 31% of daylight hours. The March record high is 30°C (2022) and the record low is -9°C (2010).
Tianshui weather in April
In April, Tianshui averages a high of 22°C and a low of 7°C. It gets 37 mm of precipitation over about 8 rainy days. The sun is out about 30% of daylight hours. The April record high is 33°C (2004) and the record low is -3°C (2018). April is one of the most comfortable months to visit.
Tianshui weather in May
In May, Tianshui averages a high of 25°C and a low of 11°C. It gets 66 mm of precipitation over about 10 rainy days. The sun is out about 31% of daylight hours. The May record high is 34°C (2025) and the record low is 1°C (2004). May is one of the most comfortable months to visit.
Tianshui weather in June
In June, Tianshui averages a high of 28°C and a low of 16°C. It gets 68 mm of precipitation over about 9 rainy days. The sun is out about 33% of daylight hours. The June record high is 36°C (2006) and the record low is 8°C (2013).
Tianshui weather in July
In July, Tianshui averages a high of 30°C and a low of 18°C. It gets 105 mm of precipitation over about 11 rainy days. The sun is out about 39% of daylight hours. The July record high is 38°C (2023) and the record low is 12°C (2009).
Tianshui weather in August
In August, Tianshui averages a high of 29°C and a low of 18°C. It gets 89 mm of precipitation over about 10 rainy days. The sun is out about 35% of daylight hours. The August record high is 38°C (2017) and the record low is 10°C (2008).
Tianshui weather in September
In September, Tianshui averages a high of 23°C and a low of 13°C. It gets 85 mm of precipitation over about 12 rainy days. The sun is out about 31% of daylight hours. The September record high is 35°C (2023) and the record low is 5°C (2007). September is one of the most comfortable months to visit.
Tianshui weather in October
In October, Tianshui averages a high of 18°C and a low of 7°C. It gets 39 mm of precipitation over about 9 rainy days. The sun is out about 24% of daylight hours. The October record high is 30°C (2016) and the record low is -2°C (2005). October is one of the most comfortable months to visit.
Tianshui weather in November
In November, Tianshui averages a high of 12°C and a low of 0°C. It gets 12 mm of precipitation over about 5 rainy days. The sun is out about 38% of daylight hours. The November record high is 22°C (2023) and the record low is -12°C (2009).
Tianshui weather in December
In December, Tianshui averages a high of 6°C and a low of -6°C. It gets 3 mm of precipitation over about 3 rainy days. The sun is out about 46% of daylight hours. The December record high is 17°C (2023) and the record low is -16°C (2004).
Sunshine, humidity and wind in Tianshui
December is the sunniest month in Tianshui, with sunshine about 46% of daylight hours. October is the cloudiest, at 24%. Over the year the sun shines about 34% of daylight hours. Tianshui is cloudier than 80% of China.
Humidity peaks in September at 78% and is lowest in June at 63%.
Tianshui has about 25 days a year above 32°C. Tianshui is cooler than 53% of China.
First and last freeze in Tianshui
The first fall freeze in Tianshui typically comes around November 3, and the last spring freeze around March 29. That leaves a frost-free growing season of about 219 days.
Tianshui weather records
The hottest temperature on record at the Tianshui station is 38°C, on August 3, 2017. The coldest is -16°C, on December 31, 2004.
The wettest day on record brought 95 mm of rain, on June 19, 2013.
The best time to visit Tianshui
The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 22°C.
Winter (December–February) is chilly, with average highs around 7°C and lows near -5°C.
Spring (March–May) is warm, with average highs around 21°C and lows near 7°C.
Summer (June–August) is hot, with average highs around 29°C and lows near 17°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 18°C and lows near 7°C.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Record high | Record low |
|---|---|---|---|---|---|---|
| January | 2.8 mm | 3 | 65% | 38% | 17° | -16° |
| February | 6.9 mm | 4 | 67% | 34% | 22° | -13° |
| March | 18 mm | 5 | 64% | 31% | 30° | -9° |
| April | 37 mm | 8 | 65% | 30% | 33° | -3° |
| May | 66 mm | 10 | 65% | 31% | 34° | 1° |
| June | 68 mm | 9 | 63% | 33% | 36° | 8° |
| July | 105 mm | 11 | 71% | 39% | 38° | 12° |
| August | 89 mm | 10 | 72% | 35% | 38° | 10° |
| September | 85 mm | 12 | 78% | 31% | 35° | 5° |
| October | 39 mm | 9 | 78% | 24% | 30° | -2° |
| November | 12 mm | 5 | 71% | 38% | 22° | -12° |
| December | 2.8 mm | 3 | 66% | 46% | 17° | -16° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Tianshui climate questions
How much rain does Tianshui get?
Tianshui gets 531 mm of precipitation in an average year, over about 89 rainy days.
What is the wettest month in Tianshui?
July is the wettest month in Tianshui, with 105 mm. January is the driest, with 3 mm.
How many rainy days does Tianshui have a year?
Tianshui has about 89 days with measurable rain in an average year. September has the most, about 12.
What is the hottest month in Tianshui?
July is the warmest month in Tianshui, with an average high of 30°C.
What is the coldest month in Tianshui?
January is the coldest month in Tianshui, with an average low of -7°C.
What is the record high temperature in Tianshui?
The record high at the Tianshui station is 38°C, set on August 3, 2017. The record low is -16°C, on December 31, 2004.
What is the sunniest month in Tianshui?
December is the sunniest month in Tianshui, with sunshine about 46% of daylight hours. October is the cloudiest.
When is the first frost in Tianshui?
The first fall freeze in Tianshui typically comes around November 3. The last spring freeze is around March 29.
What is the best time to visit Tianshui?
The most comfortable time to visit is typically April to May and September to October, when daytime highs sit near 22°C.
Source: NOAA GHCN-Daily station BEIDAO (12 km away).
Climate for places near Tianshui, Gansu
Normals from NOAA GHCN-Daily station BEIDAO.