Climate and monthly weather forecast
Whangarei, New Zealand

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The climate of Whangarei

Whangarei, located in the northern reaches of New Zealand, exhibits a Cfb Köppen climate classification. This translates into a marine west coast climate defined by warm summers. A closer examination of climatological data reveals average peak temperatures hovering close to 21.5°C (70.7°F) during January and February, gradually falling to about 14.3°C (57.7°F) in July. The temperatures, though, are relatively consistent throughout the year with the lowest average temperature at 9.8°C (49.6°F) in July.

A slight humidity increase is observed from January onwards, with relative humidity oscillating from a lower of 78% to a peak of 82% in August, returning to 79% in December. The average annual visibility remains steady at roughly 9 km, allowing for clear sight of the scenic landscapes. Monthly average pressure oscillates moderately between 1015 mb and 1018.1 mb, contributing to the region's stable climate.

Analyzing precipitation data, it is noticed that Whangarei remains moderately wet year-round with monthly rain falling for 7.9 days in January to a maximum of 16.8 days by August. The amount of rainfall follows a similar trend, rising from an average of 28mm (1.1") in January to 69mm (2.72") in July, the month with the highest rainfall.

The Best Time to Visit Whangarei

Optimal visiting times depend heavily on preferred weather conditions. For those seeking warm temperatures and outdoor activities, the period from January to March would be ideal. During these months, Whangarei experiences its highest average temperatures of 22.7°C (72.9°F) to 21.5°C (70.7°F) respectively and 20.3°C (68.5°F) to 21.3°C (70.3°F) sea temperature is inviting for swimmers. Daylight hours are a generous 14.3 hours to 12.3 hours, and sunshine span ranges from 7.9 hours to 7.4 hours per day, allowing ample time for exploration and fun.

The Worst Time to Visit Whangarei

Less optimal times to visit would be during the chilly months of July and August when the city faces its lowest average temperatures of 14.3°C (57.7°F) to 14.8°C (58.6°F) and sea temperature may drop course to 15.8°C (60.4°F) to 15.3°C (59.5°F). These months also record the highest humidity at 81% and 82% respectively. Coupled with an increase in rainfall to 69mm (2.72") in July and 63mm (2.48") in August, the weather might be rather damp and cold for outdoor recreation.

Spring Weather in Whangarei

September through November reveals a time of pleasant warmth in Whangarei as the Spring season takes hold. Average high temperatures consistently rise from 15.5°C (59.9°F) in September to 19.2°C (66.6°F) in November while minimum temperatures also increase from 10.4°C (50.7°F) to 12.1°C (53.8°F). Prospective travelers may prepare for a charming blend of moderate temperatures, lower precipitation from 44mm (1.73") in September to 26mm (1.02") in November, and a respectable 11.9 hours to 14 hours of daylight.

Summer Weather in Whangarei

The summer months of December through February in Whangarei welcome the highest temperatures on average. The daytime highs hover between 21.4°C (70.5°F) and 22.8°C (73°F) while the nighttime lows range from 14.7°C (58.5°F) to 16.5°C (61.7°F). An average sea temperature from 18.8°C (65.8°F) in December to 21.4°C (70.5°F) in February provides perfect conditions for water sports. Notably, the sunshine surpasses 7.3 hours per day and days can be as long as 14.3 hours to 14 hours.

Autumn Weather in Whangarei

Autumn, occurring from March through May, witnesses a gradual cooling trend, with high air temperatures reducing from 21.5°C (70.7°F) in March to 17.3°C (63.1°F) in May, and the lows oscillating between 15.9°C (60.6°F) and 12.5°C (54.5°F). Rainfall increases steadily from 39mm (1.54") in March to a peak of 48mm (1.89") in May, while daylight hours decrease from 12.3 hours to 10.3 hours, signaling the onset of the colder months.

Winter Weather in Whangarei

Winter, stretching from June to August, is marked by the year's lowest temperatures with average highs between 15.3°C (59.5°F) and 14.3°C (57.7°F) and lows from 11.1°C (52°F) to 9.8°C (49.6°F). Despite lower temperatures, average sea temperatures remain steady between 17.2°C (63°F) and 15.3°C (59.5°F), possibly due to the surrounding marine influence. These months also record the highest average rainfall, reaching a peak of 69mm (2.72") in July, and longest rain durations, with rainy days stretching from 14.7 days to 16.8 days at their peak in August. Accordingly, visitors planning a winter trip should come prepared for damp and colder weather.

Weather in January

January in Whangarei, New Zealand is characterized by stable weather conditions. Relative humidity is 78% with 28mm (1.1") of rainfall spread across 7.9 days. A noteworthy feature of January's weather is the higher sea temperature, standing at 20.3°C (68.5°F). Weather in January »

Weather in February

February's weather is only subtly different from January's. In Whangarei, fluctuations in the conditions come to view, revealing a rise in the amount of rainfall to 33mm (1.3"). February deserves recognition for maintaining the highest sea temperature, at 21.4°C (70.5°F) throughout the year. Weather in February »

Weather in March

In Whangarei, March marks the mild transition from summer to the first traces of fall. The weather undergoes a minute decline, displaying lower air temperature highs compared to the preceding month -- from 22.8°C (73°F) in February to 21.5°C (70.7°F) in March. Weather in March »

Weather in April

The weather in April continues to follow the seasonal pattern, with a further drop in high temperature to 19.7°C (67.5°F). Whangarei residents experience the noticeable cool down in the sea surface temperature, dipping to 20.1°C (68.2°F) from 21.3°C (70.3°F) in March. Weather in April »

Weather in May

May ushers in the more definitive feel of fall, marking a clear decrease in temperature and an increment in humidity. The month witnesses consistent rainfall, the highest so far in the year, with a total reduction of 48mm (1.89"). Despite the shift in weather characteristics, Whangarei remains a locale of pleasant outdoor experiences due to generous amounts of daylight. Weather in May »

Weather in June

June heralds the arrival of winter in Whangarei, ushering in a perceptible change in temperature. The month faces an all-time low sea temperature at 17.2°C (63°F), reflecting the shift from warmer months. However, despite the cold, there is a fair share of sunshine hours, tempering winter's chill. Weather in June »

Weather in July

Being the coldest month in Whangarei, July embodies the peak of the winter season. Noteworthy is its significantly high rainfall recording, amounting to 69mm (2.72") over an estimate of 16.3 days. Nevertheless, the overall climatic conditions do not plunge into the extreme, keeping extreme cold and severe storms at bay. Weather in July »

Weather in August

Following the peak winter, August begins the slow transition to spring. The sea temperature experiences a slight uptick, moving from July's 15.8°C (60.4°F) to 15.3°C (59.5°F). Despite being one of the coldest months of the year, Whangarei's weather remains invariably moderate. Weather in August »

Weather in September

The arrival of September in Whangarei witnesses perceptible signs of spring. The weather seems to follow a mild upward trend, showcasing a rise in high air temperatures to 15.5°C (59.9°F). The sea temperature rebounds, indicating the slow retreat of winter. Weather in September »

Weather in October

October is traditionally recognized as a shoulder season in Whangarei, New Zealand. With temperature highs reaching 17.5°C (63.5°F), there's a clear rise from September's reading. The weather sets an imploring stage for visitors and residents to explore outdoor attractions comfortably. Weather in October »

Weather in November

November's weather in Whangarei leans towards summer, introducing warmer days and extended daylight hours. With the highest air pressure of the year, 1018.1mb, the city experiences more stable weather conditions. The month exhibits a brilliant blend of cooling breezes, vivid landscapes, and comforting temperatures. Weather in November »

Weather in December

December welcomes the full bloom of summer in Whangarei. With high temperatures escalating to 21.4°C (70.5°F), the city becomes a haven for beach lovers and sun seekers. Despite the peak summer characteristics, December stands out for its relatively high rainfall of 62mm (2.44"). Weather in December »
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Frequently asked questions

What are the least humid months in Whangarei?

The months with the lowest humidity are January and November, with an average relative humidity of 78%.

How many days does it rain in Whangarei?

In Whangarei, during the entire year, the rain falls for 154 days and collects up to 536mm (21.1") of precipitation.

What month has the most sunshine in Whangarei?

With an average of 7.9h of sunshine, January has the most sunshine of the year in Whangarei, New Zealand.

When is the highest UV index in Whangarei?

The months with the highest UV index in Whangarei are January through March, November and December, with an average maximum UV index of 5.

What month is the hottest in Whangarei?

In Whangarei, February is identified by the average highest temperatures, reaching a peak of 22.8°C (73°F) and a low of 16.5°C (61.7°F).

What is the month with the warmest sea water in Whangarei?

The month with the warmest seawater is February, with an average sea temperature of 21.4°C (70.5°F).

When is Daylight Saving Time (DST) in Whangarei?

On Sunday, 07. April 2024, at 3:00 am, Daylight Saving Time ends in Whangarei, and the time zone changes from NZDT to NZST. The next Daylight Saving Time starts on Sunday, 29. September 2024, at 2:00 am, and the time zone reverts from NZST to NZDT.

What is the month with the shortest days in Whangarei?

With an average of 9h and 48min of daylight, June has the shortest days of the year.

What month is the coldest in Whangarei?

July is the coldest month, exhibiting average temperatures of 14.3°C (57.7°F) at the peak and 9.8°C (49.6°F) at the base.

What is the rainiest month in Whangarei?

July is the month with the most rainfall in Whangarei, New Zealand. Rain falls for 16.3 days and accumulates 69mm (2.72") of precipitation.

When is the lowest UV index in Whangarei?

With an average maximum UV index of 3, July is the month with the lowest UV index.

What is the most humid month in Whangarei?

The most humid month in Whangarei is August, with an average relative humidity of 82%.

When is the sea coldest in Whangarei?

August is the month with the coldest seawater, with an average sea temperature of 15.3°C (59.5°F).

What is the month with the least sunshine in Whangarei?

The month with the least sunshine in Whangarei, New Zealand, is August, with an average of 6.6h of sunshine.

What is the driest month in Whangarei?

November is the month with the least rainfall in Whangarei. Rain falls for 10.5 days and accumulates 26mm (1.02") of precipitation.

When are the longest days in Whangarei?

With an average of 14h and 30min of daylight, December has the longest days of the year in Whangarei.

Average temperature
Whangarei, New Zealand

Average temperature - Whangarei, New Zealand

The warmest month (with the highest average high temperature) is February (22.8°C).
The month with the lowest average high temperature is July (14.3°C).

The month with the highest average low temperature is February (16.5°C).
The coldest month (with the lowest average low temperature) is July (9.8°C).

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Average pressure
Whangarei, New Zealand

Average pressure - Whangarei, New Zealand

The months with the highest atmospheric pressure are March and April (1018.1mbar).
The month with the lowest atmospheric pressure is January (1015mbar).

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Average wind speed
Whangarei, New Zealand

Average wind speed - Whangarei, New Zealand

The windiest month (with the highest average wind speed) is September (16.7km/h).
The calmest month (with the lowest average wind speed) is February (13km/h).

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Average humidity
Whangarei, New Zealand

Average humidity - Whangarei, New Zealand

The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are January and November (78%).

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Average rainfall
Whangarei, New Zealand

Average rainfall - Whangarei, New Zealand

The wettest month (with the highest rainfall) is July (69mm).
The driest month (with the least rainfall) is November (26mm).

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Average rainfall days
Whangarei, New Zealand

Average rainfall days - Whangarei, New Zealand

The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is January (7.9 days).

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Average sea temperature
Whangarei, New Zealand

Average sea temperature - Whangarei, New Zealand

The best month for swimming (with the highest average sea temperature) is February (21.4°C).
The coldest month (with the lowest average sea temperature) is August (15.3°C).

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Average daylight / Average sunshine
Whangarei, New Zealand

Average daylight / Average sunshine - Whangarei, New Zealand

The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).

The month with the most sunshine is January (Average sunshine: 7h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 36min).

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Average sunshine days
Whangarei, New Zealand

Average sunshine days - Whangarei, New Zealand

The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is August (10.5 days).

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Average UV index
Whangarei, New Zealand

Average UV index - Whangarei, New Zealand

The months with the highest UV index are January, February, March, November and December (UV index 5).
The month with the lowest UV index is July (UV index 3).

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Average visibility
Whangarei, New Zealand

Average visibility - Whangarei, New Zealand

The months with the highest visibility are March, April, May and June (10km).
The months with the lowest visibility are January, February, July, August, September, October, November and December (9km).

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Whangarei, New Zealand

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