May weather forecast
Kaikoura, New Zealand

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Weather in May

May brings noticeable transformation in Kaikoura's weather. The decrease in both temperature and daylight hours signal winter's imminent arrival. The city experiences a rise in humidity while the cooling trend continues towards the year's coldest temperatures. The uniqueness of May rests in its sea temperature, with a considerable decline to 13.3°C (55.9°F). Even though the weather becomes less conducive to outdoor activities, the rainfall yields lush landscapes worth witnessing.

Temperature

The advent of May observes an average high-temperature of a cool 12.3°C (54.1°F), nearly identical to April's 14.8°C (58.6°F). Nighttime temperature sees a small decrement from daytime highs, dipping to an average of 7.9°C (46.2°F) during May.

Humidity

In Kaikoura, the average relative humidity in May is 74%.

Rainfall

In Kaikoura, in May, during 8.8 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Kaikoura, New Zealand, during the entire year, the rain falls for 121.2 days and collects up to 380mm (14.96") of precipitation.

Snowfall

January through May, August, October through December are months without snowfall in Kaikoura.

Sea temperature

In May, the average sea temperature is 13.3°C (55.9°F).
Note: One needs to be cautious in 13.3°C (55.9°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.

Daylight

The average length of the day in May is 9h and 44min.
On the first day of the month, sunrise is at 7:14 am and sunset at 5:29 pm. On the last day of May, sunrise is at 7:44 am and sunset at 5:01 pm NZST.

Sunshine

In Kaikoura, the average sunshine in May is 8.2h.

UV index

The months with the lowest UV index are May through September, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during May translates into the following guidance:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What is the average May temperature in Kaikoura?

An average high-temperature, in May, in Kaikoura, is 12.3°C (54.1°F) and the average low-temperature is 7.9°C (46.2°F).

What is the average humidity in May in Kaikoura?

In Kaikoura, New Zealand, the average relative humidity in May is 74%.

How many days does it rain in May in Kaikoura?

In Kaikoura, New Zealand, in May, during 8.8 rainfall days, 24mm (0.94") of precipitation is typically accumulated.

When it does not snow in Kaikoura?

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

Does it snow in Kaikoura in May?

In Kaikoura, New Zealand, in May, it doesn't snow. In June, it regularly snows.

What is the water temperature in May in Kaikoura?

In May, the average sea temperature in Kaikoura, New Zealand, is 13.3°C (55.9°F). Swimming in 13.3°C (55.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in May in Kaikoura?

In May, the average day length is 9h and 44min.

When is the sunrise / sunset in May in Kaikoura?

In May, on the first day of the month, sunrise is at 7:14 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:01 pm NZST.

How many hours of sunshine does Kaikoura have in May?

In May, the average sunshine duration is 8.2h.

When is the lowest UV index in Kaikoura?

The months with the lowest UV index in Kaikoura, New Zealand, are May through September, with an average maximum UV index of 3.

How high is the UV index in May in Kaikoura?

In May, the average daily maximum UV index in Kaikoura, New Zealand, 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 humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Kaikoura, New Zealand

Average temperature in May - Kaikoura, New Zealand
  • Average high temperature in May: 12.3°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 May: 7.9°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).

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Average pressure in May
Kaikoura, New Zealand

Average pressure in May - Kaikoura, New Zealand
  • Average pressure in May: 1013.3mbar

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

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Average wind speed in May
Kaikoura, New Zealand

Average wind speed in May - Kaikoura, New Zealand
  • Average wind speed in May: 14.6km/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).

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Average humidity in May
Kaikoura, New Zealand

Average humidity in May - Kaikoura, New Zealand
  • Average humidity in May: 74%

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

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Average rainfall in May
Kaikoura, New Zealand

Average rainfall in May - Kaikoura, New Zealand
  • Average rainfall in May: 24mm

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

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Average rainfall days in May
Kaikoura, New Zealand

Average rainfall days in May - Kaikoura, New Zealand
  • Average rainfall days in May: 8.8 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).

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Average snowfall days in May
Kaikoura, New Zealand

Average snowfall days in May - Kaikoura, New Zealand
  • Average snowfall days in May: 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).

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Average sea temperature in May
Kaikoura, New Zealand

Average sea temperature in May - Kaikoura, New Zealand
  • Average sea temperature in May: 13.3°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).

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Average daylight in May /
Average sunshine in May
Kaikoura, New Zealand

Average daylight in May / Average sunshine in May - Kaikoura, New Zealand
  • Average daylight in May: 9h and 4min

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 May: 8h and 1min

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).

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Average sunshine days in May
Kaikoura, New Zealand

Average sunshine days in May - Kaikoura, New Zealand
  • Average sunshine days in May: 21.2 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).

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Average UV index in May
Kaikoura, New Zealand

Average UV index in May - Kaikoura, New Zealand
  • Average UV index in May: 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).

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Average cloud cover in May
Kaikoura, New Zealand

Average cloud cover in May - Kaikoura, New Zealand
  • Average cloud cover in May: 31

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).

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Average visibility in May
Kaikoura, New Zealand

Average visibility in May - Kaikoura, New Zealand
  • Average visibility in May: 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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Kaikoura, New Zealand

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