May weather forecast
Ngatiarua, Cook Islands

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Weather in May

May in Ngatiarua signals the start of mild alterations in the weather. Noticeable shifts in temperatures indicate a gradual decline, making the atmosphere slightly cooler. Despite the drop in temperature, daylight hours continue to shrink, creating extended evenings that locals can enjoy. Concurrently, rainfall registers a small increment, carrying May's showers into the subsequent month. It’s noteworthy that May's rainfall increases marginally to 99mm (3.9"), serving as an early forecast of the approaching tropical rains.

Temperature

May's beginning signals an average high-temperature of a still moderately hot 26.3°C (79.3°F), barely different from April's 27.3°C (81.1°F). May nights cool to an average low-temperature of 25.3°C (77.5°F), a marginal decrease from its daytime equivalent.

Humidity

In Ngatiarua, the average relative humidity in May is 78%.

Rainfall

In Ngatiarua, in May, during 17 rainfall days, 99mm (3.9") of precipitation is typically accumulated. Throughout the year, in Ngatiarua, there are 211.1 rainfall days, and 1084mm (42.68") of precipitation is accumulated.

Daylight

In Ngatiarua, the average length of the day in May is 11h and 10min.
On the first day of the month, sunrise is at 06:48 and sunset at 18:10. On the last day of May, in Ngatiarua, sunrise is at 07:00 and sunset at 18:00 -10.

Sunshine

The average sunshine in May is 6.4h.

UV index

January through March, May, November and December, with an average maximum UV index of 7, are months with the highest UV index in Ngatiarua. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 7 during May translates into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

What are the temperatures in Ngatiarua in May?

In May, the average high-temperature and low-temperature are 26.3°C (79.3°F) and 25.3°C (77.5°F) respectively. In April, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 30°C (86°F).

What is the average humidity in May in Ngatiarua?

In Ngatiarua, the average relative humidity in May is 78%.

How much does it rain in Ngatiarua in May?

In May, in Ngatiarua, Cook Islands, the rain falls for 17 days. Throughout May, 99mm (3.9") of precipitation is accumulated.

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

In May, the average day length in Ngatiarua is 11h and 10min.

When is the sunrise / sunset in May in Ngatiarua?

In May, on the first day of the month, sunrise is at 06:48 and sunset at 18:10. On the last day of the month, in Ngatiarua, Cook Islands, sunrise is at 07:00 and sunset at 18:00 -10.

How many hours of sunshine does Ngatiarua have in May?

In Ngatiarua, Cook Islands, the average sunshine duration in May is 6.4h.

What is the month with the highest UV index in Ngatiarua?

The months with the highest UV index in Ngatiarua, Cook Islands, are January through March, May, November and December, with an average maximum UV index of 7.

How high is the UV index in May in Ngatiarua?

In May, the average daily maximum UV index in Ngatiarua is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

Average temperature in May
Ngatiarua, Cook Islands

Average temperature in May - Ngatiarua, Cook Islands
  • Average high temperature in May: 26.3°C

The warmest month (with the highest average high temperature) is March (27.7°C).
The month with the lowest average high temperature is August (23.8°C).

  • Average low temperature in May: 25.3°C

The month with the highest average low temperature is March (26.7°C).
The coldest month (with the lowest average low temperature) is August (22.8°C).

Average pressure in May
Ngatiarua, Cook Islands

Average pressure in May - Ngatiarua, Cook Islands
  • Average pressure in May: 1014.2mbar

The month with the highest atmospheric pressure is September (1016.4mbar).
The month with the lowest atmospheric pressure is January (1010.6mbar).

Average wind speed in May
Ngatiarua, Cook Islands

Average wind speed in May - Ngatiarua, Cook Islands
  • Average wind speed in May: 24km/h

The windiest month (with the highest average wind speed) is September (25.1km/h).
The calmest month (with the lowest average wind speed) is March (20.4km/h).

Average humidity in May
Ngatiarua, Cook Islands

Average humidity in May - Ngatiarua, Cook Islands
  • Average humidity in May: 78%

The months with the highest relative humidity are November and December (79%).
The months with the lowest relative humidity are June and August (76%).

Average rainfall in May
Ngatiarua, Cook Islands

Average rainfall in May - Ngatiarua, Cook Islands
  • Average rainfall in May: 99mm

The wettest months (with the highest rainfall) are January and March (155mm).
The driest month (with the least rainfall) is August (29mm).

Average rainfall days in May
Ngatiarua, Cook Islands

Average rainfall days in May - Ngatiarua, Cook Islands
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is March (23.5 days).
The month with the least rainy days is August (10.3 days).

Average daylight in May /
Average sunshine in May
Ngatiarua, Cook Islands

Average daylight in May / Average sunshine in May - Ngatiarua, Cook Islands
  • Average daylight in May: 11h and 1min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).

  • Average sunshine in May: 6h and 2min

The month with the most sunshine is November (Average sunshine: 8h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 42min).

Average sunshine days in May
Ngatiarua, Cook Islands

Average sunshine days in May - Ngatiarua, Cook Islands
  • Average sunshine days in May: 9.4 days

The month with the most sunshine days is August (16.3 days).
The month with the least sunshine days is March (5.6 days).

Average UV index in May
Ngatiarua, Cook Islands

Average UV index in May - Ngatiarua, Cook Islands
  • Average UV index in May: 7

The months with the highest UV index are January, February, March, May, November and December (UV index 7).
The months with the lowest UV index are April, June, July, August, September and October (UV index 6).

Average cloud cover in May
Ngatiarua, Cook Islands

Average cloud cover in May - Ngatiarua, Cook Islands
  • Average cloud cover in May: 47

The months with the most cloud cover are January, October, November and December (Cloud cover 49).
The months with the least cloud cover are March, April and September (Cloud cover 46).

Average visibility in May
Ngatiarua, Cook Islands

Average visibility in May - Ngatiarua, Cook Islands
  • 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).

Ngatiarua, Cook Islands

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