Full Climate overview Temperature Rainfall Humidity

Whangarei Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Whangarei, Northland, New Zealand. These averages rely on historical data collected over 30 years, from 1990 to 2020. Let's now guide you through the details for a complete overview.

Whangarei has a relatively rainy climate with high precipitation levels, averaging 1049 mm (41 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))

The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 120 mm (4.7 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, November, still receives a respectable 72 mm (2.8 in) of rainfall.

July, the wettest month, has a maximum daytime temperature of 16°C (61°F). During the driest month November you can expect a temperature of 20°C (68°F). For more detailed insights into the city's temperatures, visit our Whangarei Temperature page.

Daily Historical Precipitation

Average daily rainfall for each day of the month based on long-term records. 32-year average (1994-2025)

Average precipitation in October

Explore Whangarei's Historical Precipitation: 1994-2026

Browse day-by-day precipitation records for Whangarei spanning 33 years. Select any month and year to see actual rainfall and snowfall recorded on each day.

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°

Whangarei vs World: Rainfall Compared

Whangarei's average annual precipitation is 1049 mm (41 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.

Osaka, Japan, experiences 1507 mm (59 in) of rainfall annually, spread across the year with wetter summers.

In Brisbane, Australia, the annual precipitation is 979 mm (39 in), making it wetter than Sydney.

Singapore, situated near the equator, gets 2581 mm (102 in) of rainfall annually, with no distinct dry season and consistent monthly precipitation.

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 Whangarei's weather, including sunshine hours, humidity levels, and temperature data, visit our Whangarei Climate page.