Jianchuan Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Jianchuan, China. These values are calculated using 30 years of data (1990–2020) to ensure accuracy. Now, let's break down all the details for a clearer picture.

Jianchuan has a relatively rain/snowy climate with high precipitation levels, averaging 1340 mm (53 in) of rain/snowfall annually. Despite the high annual total, it does experience a distinct dry and rainy season during certain months. Examine our detailed charts below to understand these seasonal patterns.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm (0.01 in))

Jianchuan can be quite wet during July, receiving approximately 285 mm (11 in) of precipitation over 25 rainy days.

In contrast December, experiences much drier conditions, with 11 mm (0.4 in) of rainfall, spread across 4 rainy days.

July, the wettest month, has a maximum daytime temperature of 23°C (73°F). The city receives 134 hours of sunshine in this period. During the driest month December you can expect a temperature of 14°C (57°F). For more detailed insights into the city's temperatures, visit our Jianchuan Temperature page.

Annual Rainfall in China: City Comparison

The map below shows the annual precipitation across China. You can also select the different months in case you are interested in a specific month.

Jianchuan vs World: Rainfall Compared

Jianchuan's average annual precipitation is 1340 mm (53 in). Let's compare this to some popular worldwide tourist destinations:

In Toronto, Canada, annual precipitation averages 964 mm (38 in), with snowy winters and rainy summers.

In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.

In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.

Kuala Lumpur, Malaysia, receives 2529 mm (100 in) of annual rainfall, characteristic of its equatorial tropical rainforest climate, with consistent rainfall throughout the year and peak months during March and November.

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

Climate change is affecting precipitation patterns worldwide, including Jianchuan:

• Changing Rainfall Patterns: Global warming causes drastic changes in the patterns of rainfall. Some areas have been experiencing increased frequency and intensity of rainfall, while other areas experience longer dry spells or even droughts.
• Local Impacts: Many regions are experiencing heavier rainfall in the winter months and drier, hotter summers. This affects agriculture, water resources, and ecosystems.

• The U.S. has a significant number of thunderstorms every year, with over 14.6 million taking place across the world annually.
• Approximately 70% of lightning bolts strike land rather than oceans.
• A storm named John was the longest-lasting Pacific tropical storm, continuing for 31 days. As it crossed the dateline twice, it changed status from a hurricane to a typhoon and back to a hurricane.

For more detailed information about Jianchuan's weather, including sunshine hours, humidity levels, and temperature data, visit our Jianchuan Climate page.