Newcastle West Monthly Rainfall & Precipitation
This page shows both the average monthly rainfall and the number of rainy days in Newcastle West, Ireland. 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.
Newcastle West experiences significant rainfall throughout the year, averaging 1101 mm (43 in) of precipitation annually.
Monthly Precipitation Levels
The average number of days each month with precipitation (> 0.2 mm (0.01 in))
The wettest period in Newcastle West occurs in December, which receives around 106 mm (4.2 in) of precipitation. During the driest month, September, Newcastle West experiences moderate rainfall, totaling approximately 83 mm (3.3 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate.
December, the wettest month, has a maximum daytime temperature of 10°C (50°F). The city receives 45 hours of sunshine in this period. During the driest month September you can expect a temperature of 18°C (64°F). For more detailed insights into the city's temperatures, visit our Newcastle West Temperature page.
Annual Rainfall in Ireland: City Comparison
The map below shows the annual precipitation across Ireland. You can also select the different months in case you are interested in a specific month.
heavy rainfall
high
moderate
low
almost none
Newcastle West vs World: Rainfall Compared
Newcastle West's average annual precipitation is 1101 mm (43 in). Let's compare this to some popular worldwide tourist destinations:
Boston, USA, experiences 1238 mm (49 in) of annual precipitation, including significant snowfall during the winter.
In Shanghai, China, the annual average precipitation is 1347 mm (53 in), with a humid subtropical climate.
Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.
Mumbai, India, experiences a tropical monsoon climate with 1860 mm (73 in) of annual rainfall, with the majority of precipitation happening during the monsoon season from June to September.
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 Newcastle West:
- 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 Newcastle West's weather, including sunshine hours, humidity levels, and temperature data, visit our Newcastle West Climate page.
