Wellington
New Zealand
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Wellington, New Zealand

A red cable bus on the road in Wellington, New Zealand, with the view of the sea, mountains, and the city in the distance
A red cable bus on the road in Wellington, New Zealand, with the view of the sea, mountains, and the city in the distance
The last month of the winter, August, is also a fresh month in Wellington, New Zealand, with average temperature fluctuating between 6.4°C (43.5°F) and 11.9°C (53.4°F).

Temperature

In Wellington, the average high-temperature in August is relatively the same as in July - a still cool 11.9°C (53.4°F). In August, the average low-temperature is 6.4°C (43.5°F).

Humidity

In August, the average relative humidity is 84.6%.

Rainfall

In August, the rain falls for 13 days. Throughout August, 124.5mm (4.9") of precipitation is accumulated. Throughout the year, there are 124 rainfall days, and 1243.6mm (49") of precipitation is accumulated.

Sea temperature

August is the month with the coldest seawater in Wellington, with an average sea temperature of 12.3°C (54.1°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In Wellington, the average length of the day in August is 10.5h.

Sunshine

In Wellington, the average sunshine is 4.4h.

UV index

In Wellington, New Zealand, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
In August, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in August in Wellington?

In Wellington, New Zealand, in August, the average high-temperature is 11.9°C (53.4°F), and the average low-temperature is 6.4°C (43.5°F).

What is the average humidity in August in Wellington?

In Wellington, the average relative humidity in August is 84.6%.

How many days does it rain in August in Wellington?

In Wellington, during August, the rain falls for 13 days and regularly aggregates up to 124.5mm (4.9") of precipitation.

What month is the sea coldest in Wellington?

With an average sea temperature of 12.3°C (54.1°F), August is the month with the coldest seawater in Wellington. At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How cold is the water in August in Wellington?

In Wellington, New Zealand, in August, the average water temperature is 12.3°C (54.1°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in August in Wellington?

In Wellington, New Zealand, the average length of the day in August is 10.5h.

How long on average sun shines in August in Wellington?

The average sunshine in August in Wellington is 4.4h.

What is the UV index intensity in August in Wellington?

The average daily maximum UV index in August in Wellington, New Zealand, is 2. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays.
Average temperature in August - Wellington, New Zealand
  • Average high temperature in August: 11.9°C

The warmest month (with the highest average high temperature) is February (20.3°C).
The month with the lowest average high temperature is July (11.1°C).

  • Average low temperature in August: 6.4°C

The month with the highest average low temperature is February (13.3°C).
The coldest month (with the lowest average low temperature) is July (5.9°C).

Average humidity in August - Wellington, New Zealand
  • Average humidity in August: 84.6%

The month with the highest relative humidity is July (86.1%).
The month with the lowest relative humidity is November (78.9%).

Average rainfall in August - Wellington, New Zealand
  • Average rainfall in August: 124.5mm

The wettest month (with the highest rainfall) is July (136.4mm).
The driest month (with the lowest rainfall) is February (76.9mm).

Average rainfall days in August - Wellington, New Zealand
  • Average rainfall days in August: 13 days

Months with the highest number of rainy days are June and July (13.3 days).
The month with the lowest number of rainy days is February (7 days).

Average sea temperature in August - Wellington, New Zealand
  • Average sea temperature in August: 12.3°C

The best month for swimming (with the highest average sea temperature) is February (17.1°C).
The coldest month (with the lowest average sea temperature) is August (12.3°C).

Average daylight in August / Average sunshine in August - Wellington, New Zealand
  • Average daylight in August: 10.5h

The month with the longest days is December (Average daylight: 15.1h).
The month with shortest days is June (Average daylight: 9.2h).

  • Average sunshine in August: 4.4h

The month with most sunshine is January (Average sunshine: 7.8h).
The month with least sunshine is June (Average sunshine: 3.4h).

Average UV index in August - Wellington, New Zealand
  • Average UV index in August: 2

The month with the highest UV index is January (UV index 11).
Months with the lowest UV index are June and July (UV index 1).