Nakhon Ratchasima Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Nakhon Ratchasima, Nakhon Ratchasima Province, Thailand. The numbers reflect climate data gathered over a 30-year period, from 1990 to 2020. Let's explore the details to provide you with a complete overview.
Nakhon Ratchasima has a relatively rainy climate with high precipitation levels, averaging 1149 mm (45 in) of rainfall annually. Despite the high annual total, it does experience a distinct dry 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))
Nakhon Ratchasima can be quite wet during September, receiving approximately 247 mm (9.7 in) of precipitation over 19 rainy days.
In contrast December, experiences much drier conditions, with 6.5 mm (0.3 in) of rainfall, spread across a single rainy day.
September, the wettest month, has a maximum daytime temperature of 33°C (91°F). The city receives 110 hours of sunshine in this period. During the driest month December you can expect a temperature of 31°C (88°F). For more detailed insights into the city's temperatures, visit our Nakhon Ratchasima Temperature page.
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Explore Nakhon Ratchasima's Historical Precipitation: 1976-2026
Browse day-by-day precipitation records for Nakhon Ratchasima spanning 51 years. Select any month and year to see actual rainfall and snowfall recorded on each day.
Annual Rainfall in Thailand: City Comparison
The map below shows the annual precipitation across Thailand. You can also select the different months in case you are interested in a specific month.
heavy rainfall
high
moderate
low
almost none
Nakhon Ratchasima vs World: Rainfall Compared
Nakhon Ratchasima's average annual precipitation is 1149 mm (45 in). Let's compare this to some popular worldwide tourist destinations:
In Barcelona, Spain, the average annual precipitation is 644 mm (25 in), evenly distributed across the year with no extreme wet or dry seasons.
Beijing, China, receives 560 mm (22 in) of annual precipitation, concentrated in the summer months.
Melbourne, Australia, has 690 mm (27 in) of rainfall annually, spread fairly evenly throughout the year.
Ho Chi Minh City, Vietnam, receives 1955 mm (77 in) of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.
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 Nakhon Ratchasima:
- 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.
- "Ginger" was the longest-lasting Atlantic tropical storm, which spun around the open ocean for 28 days in 1971.
- The world's largest snowflake was recorded in the Guinness Book of Records, at 38 cm (15 inches) wide and 20 cm (7.9 inches) thick. The snowflake fell at Fort Keogh, Montana, USA, on 28 January 1887.
- The greatest snowfall recorded was on Mt. Rainier, Washington State, USA—over 31.5 meters (103 feet) fell during the winter of 1972.
For more detailed information about Nakhon Ratchasima's weather, including sunshine hours, humidity levels, and temperature data, visit our Nakhon Ratchasima Climate page.
