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August Weather in Wairau Valley, New Zealand

Last updated: August 31, 2025

In August, the average temperature in Wairau Valley, New Zealand hovers around 6°C (43°F), with the mercury dipping as low as -5°C (24°F) and peaking at 16°C (60°F). Expect a precipitation amount of 127 mm (5.0 in) spread over 13 days, creating a relatively humid atmosphere with an average humidity of 83%.

August Temperature in Wairau Valley

In August in Wairau Valley, the average temperature is 6°C (43°F), with maximums reaching up to 16°C (60°F) and minimums dropping as low as -5°C (24°F). This varied climate offers travelers the opportunity to experience a range of outdoor activities, so be sure to pack accordingly for both chilly and mild weather.

August Weather in Wairau Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Wairau Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wairau Valley, August typically has an average temperature of 6°C (43°F), with highs reaching up to 16°C (60°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec615956514642404345505458
Data source: Temperature data for Wairau Valley generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Wairau Valley

In Wairau Valley in August, the total precipitation amount is 127 mm (5.0 in) spread over 13 days.

August Precipitation Trends in Wairau Valley

The chart displays monthly precipitation patterns in Wairau Valley, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Wairau Valley, August typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec829511213813975176127136127132183
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Wairau Valley

In Wairau Valley in August, humidity is 83%. With an average temperature of 6°C (43°F), this humidity feels like a brisk chill that can make you feel colder than the actual temperature, often leading to a damp and uncomfortable experience for traveling.

August Average Humidity in Wairau Valley

This chart illustrates the average monthly humidity levels in Wairau Valley, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Wairau Valley is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%79%80%84%86%86%83%83%82%82%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Wairau Valley

In Wairau Valley in August, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Wairau Valley for better planning.

Maximum UV Index Levels in Wairau Valley for August

The chart shows the monthly maximum UV Index (UVI) for Wairau Valley in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Wairau Valley typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313974224691113
Data source: Wairau Valley August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Wairau Valley Compares to Other Months

Weather in Wairau Valley varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Wairau Valley, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Wairau Valley, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)82 mm (3.2 inches)79%extreme
February Weather15°C (60°F)95 mm (3.7 inches)79%extreme
March Weather13°C (57°F)112 mm (4.4 inches)79%very high
April Weather10°C (51°F)138 mm (5.4 inches)80%high
May Weather8°C (46°F)139 mm (5.5 inches)84%moderate
June Weather5°C (42°F)75 mm (3.0 inches)86%low
July Weather5°C (41°F)176 mm (6.9 inches)86%low
August Weather6°C (43°F)127 mm (5.0 inches)83%moderate
September Weather7°C (45°F)136 mm (5.3 inches)83%high
October Weather10°C (50°F)127 mm (5.0 inches)82%very high
November Weather12°C (54°F)132 mm (5.2 inches)82%extreme
December Weather14°C (58°F)183 mm (7.2 inches)81%extreme

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