Climate charts
PictonNew Zealand

Picton Monthly Rainfall & Precipitation

This page shows both the average monthly rainfall and the number of rainy days in Picton, Marlborough Sounds, New Zealand. This average is based on long-term data collected between 1990 and 2020. Let's now guide you through the details for a complete overview.

Generally, Picton experiences moderate precipitation patterns, averaging 940 mm (37 in) yearly.

Monthly Rainfall & Rainy Days

Monthly Precipitation Levels

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

Year-round, Picton has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 96 mm (3.8 in), and the driest month, March, with 61 mm (2.4 in), is minimal.

June, the wettest month, has a maximum daytime temperature of 13°C (55°F). The city receives 144 hours of sunshine in this period. During the driest month March you can expect a temperature of 20°C (68°F). For more detailed insights into the city's temperatures, visit our Picton Temperature page.

Daily Historical Precipitation

Average daily rainfall for each day of the month based on long-term records. 50-year average (1976-2025)

Average precipitation in August

Explore Picton's Historical Precipitation: 1976-2026

Browse day-by-day precipitation records for Picton spanning 51 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)
32°

Picton vs World: Rainfall Compared

Picton's average annual precipitation is 940 mm (37 in). Let's compare this to some popular worldwide tourist destinations:

In Barcelona, Spain, the average annual precipitation is 620 mm (24 in), evenly distributed across the year with no extreme wet or dry seasons.

In Seoul, South Korea, the average annual precipitation is 1237 mm (49 in), with most rain falling during the summer monsoon season.

Adelaide, Australia, enjoys 511 mm (20 in) of annual precipitation, with dry summers and wet winters.

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.

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.

Global Precipitation Patterns

Tropical Rainforests: In tropical regions, rainfall is generally abundant year-round. Areas near the equator, like the Amazon rainforest, can receive up to 3000 mm (118 in) of rain annually.

Desert Regions: Deserts such as the Sahara and Arabian deserts typically see less than 250 mm (9.8 in) of rainfall annually. Rainfall tends to be infrequent, but when it does occur, it is often intense.

Temperate Zones: In temperate regions, precipitation tends to be more evenly distributed, though areas closer to the ocean may see more rain in the winter months, and areas further inland experience drier summers.

Polar Regions: Precipitation in polar regions, like Antarctica, is extremely low, often falling as snow. Average annual precipitation in Antarctica is less than 200 mm (7.9 in), with some areas receiving as little as 50 mm (2 in) annually.

Interesting weather facts

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

Picton Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Picton - and find the best time to visit.

Picton 3-Day Forecast

More climate data for Picton

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Where to go in August - average daytime high across popular destinations.

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