Newcastle (OK) Rainfall & Precipitation: Monthly Averages and Year-Round Insights

This page shows the average amount of rainfall per month in Newcastle (OK). The numbers are calculated over a 30-year period to provide a reliable average. Let's now guide you through the details for a complete overview.

Generally, Newcastle has a moderate amount of precipitation, averaging 953 mm of rain/snowfall annually.

Monthly Precipitation Levels

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

The climate in Newcastle shows significant variation throughout the year. Expect 168 mm of precipitation during the wettest month May, distributed over 12 rainy days.

In contrast, January offers drier and sunnier days, with around 26 mm of rainfall over 4 rainy days.

May, the city’s wettest month, has a maximum daytime temperature of 26°C. During the driest month January you can expect a temperature of 10°C. For more detailed insights into the city’s temperatures, visit our Newcastle Temperature page.

Annual Precipitation in the United States of America

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

Amsterdam Precipitation Compared World Wide

Newcastle’s average annual precipitation is 953 mm. Let’s compare this to some popular worldwide tourist destinations:

Seville, Spain, experiences 541 mm of rainfall annually, with wet winters and dry summers typical of southern Spain.

In Seoul, South Korea, the average annual precipitation is 1237 mm, with most rain falling during the summer monsoon season.

In Brisbane, Australia, the annual precipitation is 979 mm, making it wetter than Sydney.

Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm of annual rainfall, with the heaviest precipitation occurring during September and October.

How is Precipitation Measured?

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.

Interesting weather facts

• Mawsynram in India is noted as being the wettest place on earth, with over 11 meters of rain falling every year.
• In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm per year, with some years recording virtually no rainfall.
• Nearly 1,650 thunderstorm cells are estimated over the planet at any given time.

For more detailed information about Newcastle (OK)’s weather, including sunshine hours, humidity levels, and temperature data, visit our Newcastle (OK) Climate page.