August weather forecast
Kaikoura, New Zealand

August

Weather in August

August brings a minor respite in Kaikoura's winters, with a slight rise in temperature and decrease in rainfall compared to July. The longer daylight hours become noticeable, offering longer periods of natural light. However, the winds remain relatively high, mellowing out the bit of warmth brought by the sun. August sees an increase in the lowest average temperature to 6°C (42.8°F). While the monthly temperatures are low, the increase in daylight hours signifies the slow transition towards spring.

Temperature

August's climate shows a minor adjustment in average high-temperatures to a still frosty 9.8°C (49.6°F) from July's 9.1°C (48.4°F). Nighttime, during August, brings an average low of 6°C (42.8°F), a modest reduction from the day's peak.

Humidity

In August, the average relative humidity is 76%.

Rainfall

In August, in Kaikoura, the rain falls for 7.8 days. Throughout August, 19mm (0.75") of precipitation is accumulated. Throughout the year, there are 121.2 rainfall days, and 380mm (14.96") of precipitation is accumulated.

Snowfall

In Kaikoura, snow does not fall in January through May, August, October through December.

Sea temperature

The month with the coldest seawater is August, with an average sea temperature of 11.1°C (52°F).
Note: Beware when you're in 11.1°C (52°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.

Daylight

In Kaikoura, the average length of the day in August is 10h and 27min.
On the first day of the month, sunrise is at 7:35 am and sunset at 5:27 pm. On the last day of August, sunrise is at 6:52 am and sunset at 5:58 pm NZST.

Sunshine

The average sunshine in August is 7.5h.

UV index

May through September, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: A typical high UV index of 3 in August suggests the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

What are August temperatures in Kaikoura?
During August, Kaikoura experiences an average high-temperature of 9.8°C (49.6°F) and a low-temperature of 6°C (42.8°F).
What is the average humidity in August?
In Kaikoura, the average relative humidity in August is 76%.
How much does it rain in August?
In August, the rain falls for 7.8 days. Throughout August, 19mm (0.75") of precipitation is accumulated.
When it does not snow?
January through May, August, October through December are months without snowfall.
Does it snow in August?
In August, it doesn't snow. July is the latest month when it typically snows.
What month is the sea coldest?
August is the month with the coldest seawater, with an average sea temperature of 11.1°C (52°F).
What is the sea water temperature in August?
In Kaikoura, in August, the average water temperature is 11.1°C (52°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.
How many hours of daylight does Kaikoura have in August?
In Kaikoura, the average day length in August is 10h and 27min.
When is the sunrise / sunset in August?
In August, on the first day of the month, sunrise is at 7:35 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 5:58 pm NZST.
How many hours of sunshine does Kaikoura have in August?
In Kaikoura, the average sunshine duration in August is 7.5h.
What are the months with the lowest UV index?
May through September, with an average maximum UV index of 3, are months with the lowest UV index.
What is the UV index reading in August?
In Kaikoura, the average daily maximum UV index in August is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in August - Kaikoura, New Zealand
Average temperature in August
Kaikoura, New Zealand
  • Average high temperature in August: 9.8°C

The warmest month (with the highest average high temperature) is February (19°C).
The month with the lowest average high temperature is July (9.1°C).

  • Average low temperature in August: 6°C

The month with the highest average low temperature is January (13.1°C).
The coldest month (with the lowest average low temperature) is July (5.2°C).

Average pressure in August - Kaikoura, New Zealand
Average pressure in August
Kaikoura, New Zealand
  • Average pressure in August: 1012.7mbar

The month with the highest atmospheric pressure is March (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed in August - Kaikoura, New Zealand
Average wind speed in August
Kaikoura, New Zealand
  • Average wind speed in August: 14.1km/h

The windiest month (with the highest average wind speed) is July (15.4km/h).
The calmest month (with the lowest average wind speed) is February (13.1km/h).

Average humidity in August - Kaikoura, New Zealand
Average humidity in August
Kaikoura, New Zealand
  • Average humidity in August: 76%

The month with the highest relative humidity is June (77%).
The month with the lowest relative humidity is January (72%).

Average rainfall in August - Kaikoura, New Zealand
Average rainfall in August
Kaikoura, New Zealand
  • Average rainfall in August: 19mm

The wettest month (with the highest rainfall) is April (45mm).
The driest month (with the least rainfall) is September (16mm).

Average rainfall days in August - Kaikoura, New Zealand
Average rainfall days in August
Kaikoura, New Zealand
  • Average rainfall days in August: 7.8 days

The month with the highest number of rainy days is December (13.9 days).
The month with the least rainy days is September (7.3 days).

Average snowfall days in August - Kaikoura, New Zealand
Average snowfall days in August
Kaikoura, New Zealand
  • Average snowfall days in August: 0 days

The months with the highest number of snowfall days are June, July and September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, August, October, November and December (0 days).

Average sea temperature in August - Kaikoura, New Zealand
Average sea temperature in August
Kaikoura, New Zealand
  • Average sea temperature in August: 11.1°C

The best month for swimming (with the highest average sea temperature) is February (16.7°C).
The coldest month (with the lowest average sea temperature) is August (11.1°C).

Average daylight in August / Average sunshine in August - Kaikoura, New Zealand
Average daylight in August /
Average sunshine in August
Kaikoura, New Zealand
  • Average daylight in August: 10h and 2min

The month with the longest days is December (Average daylight: 15h and 12min).
The month with the shortest days is June (Average daylight: 9h and 6min).

  • Average sunshine in August: 7h and 3min

The month with the most sunshine is December (Average sunshine: 11h and 0min).
The month with the least sunshine is June (Average sunshine: 6h and 12min).

Average sunshine days in August - Kaikoura, New Zealand
Average sunshine days in August
Kaikoura, New Zealand
  • Average sunshine days in August: 21.7 days

The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is December (13.6 days).

Average UV index in August - Kaikoura, New Zealand
Average UV index in August
Kaikoura, New Zealand
  • Average UV index in August: 3

The month with the highest UV index is January (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).

Average cloud cover in August - Kaikoura, New Zealand
Average cloud cover in August
Kaikoura, New Zealand
  • Average cloud cover in August: 34

The month with the most cloud cover is June (Cloud cover 38).
The months with the least cloud cover are January and February (Cloud cover 28).

Average visibility in August - Kaikoura, New Zealand
Average visibility in August
Kaikoura, New Zealand
  • Average visibility in August: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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