Temperature Rainfall Sunshine Humidity Full climate overview

Orewa Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Orewa, Auckland Region, New Zealand. 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.

Orewa has a relatively rainy climate with high precipitation levels, averaging 1124 mm (44 in) of rainfall annually.

Monthly Rainfall & Rainy Days

Monthly Precipitation Levels

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

While rainfall varies throughout the year, each season offers its own charm. July brings wetter days averaging 122 mm (4.8 in) of precipitation, spread over 19 rainy days.

In contrast, January experiences a drier climate, with about 74 mm (2.9 in) of rainfall spread across 11 rainy days.

July, the wettest month, has a maximum daytime temperature of 16°C (61°F). The city receives 130 hours of sunshine in this period. During the driest month January you can expect a temperature of 23°C (73°F). For more detailed insights into the city's temperatures, visit our Orewa Temperature page.

Annual Rainfall in New Zealand: City Comparison

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

Avg day temp (°C)

0° 32°

Orewa vs World: Rainfall Compared

Orewa's average annual precipitation is 1124 mm (44 in). Let's compare this to some popular worldwide tourist destinations:

Seville, Spain, experiences 541 mm (21 in) of rainfall annually, with wet winters and dry summers typical of southern Spain.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.

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.

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.

Rainy Seasons: Many parts of the world have well-defined wet seasons where precipitation is distinctly higher. These are normally accompanied by lush vegetation and temperature patterns.

Dry Seasons: In areas where the climate is either desert or Mediterranean, the amount of precipitation is drastically reduced, leading to a shortage of water and arid conditions.

Interesting weather facts

Mawsynram in India is noted as being the wettest place on earth, with over 11 meters (36 feet) of rain falling every year.
In contrast, Antofagasta in Chile is among the driest places on the planet, getting less than 0.1mm (0.004 inches) 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 Orewa's weather, including sunshine hours, humidity levels, and temperature data, visit our Orewa Climate page.