Climate and monthly weather forecast
Mount Cook, New Zealand

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The climate of Mount Cook

Mount Cook, New Zealand, situated in the marine west coast climate zone, is characterized by a Cfc Köppen climate classification, indicating a cool summer. Throughout the four-season cycle, the Cfc climate implies a constant air moisture influx. It is a place where the influence of the sea is significant in shaping the weather conditions.

Moving through the year, the average monthly temperature ranges between a low of -2.2°C (28°F) to a high of 20.7°C (69.3°F). Notably, humidity remains relatively high throughout the year, fluctuating between 71.5% to 83.2%. The rainfall displays variations, with minimum levels down to 278mm (10.94") and peaking up to 487mm (19.17"). An analysis of daylight hours reveals that they range from 9 hours to 15.4 hours, whereas sunshine hours range from 2.2 hours to 6 hours.

Essential to note are the peculiarities observed in specific months. For instance, the highest precipitation incidences occur in summer and winter, while the driest moments are usually in early autumn.

The best time to visit Mount Cook

Best time for sightseeing in Mount Cook would arguably be during the months with moderate temperatures, sufficient daylight, and limited rainfall. These criteria are satisfied from January to March, characterized by high temperatures between 14.5°C (58.1°F) to 20.7°C (69.3°F) and extended daylight hours from 13.8 hours to 15 hours. The rainfall during these months, although not insignificant, fluctuates from 278mm (10.94") to 458mm (18.03"), which is less than in other periods. The duration of sunshine makes these months ideal for both adventurers and those seeking to enjoy the scenic beauty of Mount Cook.

The worst time to visit Mount Cook

Contrary to the above, the months from June to August serve as the least favored times to visit this locality. During this phase, temperatures reach their lowest, between -2.2°C (28°F) to 8.6°C (47.5°F), and the daylight hours dip to the year's lowest range, from 9 hours to 10.4 hours. Coupled with rainfall, recorded between 305mm (12.01") to 315mm (12.4"), these conditions might not be favorable for outdoor activities.

Spring weather in Mount Cook

Spring in Mount Cook, spanning September to November, commences with an upturn in temperature, from a low of 1.5°C (34.7°F) to a high of 16.5°C (61.7°F). As temperatures increase, the days elongate from 11.8 hours to 14.6 hours. Simultaneously, an increased chance of rainfall occurs, from 297mm (11.69") to 414mm (16.3"), coupled with relative humidity fluctuating between 72.4% to 73.8%.

Summer weather in Mount Cook

The summer months, December to February, are characterized by the highest temperatures, fluctuating between 8.8°C (47.8°F) to 20.7°C (69.3°F). This period also hosts the longest daylight hours, from 13.8 hours to 15.4 hours, allowing maximum sunlight exposure. However, heavy rainfall can be expected, ranging from 414mm (16.3") to 487mm (19.17"), alongside relative humidity between 73.8% to 78.6%.

Autumn weather in Mount Cook

Autumn in Mount Cook unfolds from March to May, characterized by a downswing in temperature from 6.8°C (44.2°F) to 14.5°C (58.1°F). The daylight hours also taper off, ranging between 10.9 to 12.4 hours. The rainfall amount experiences a slight decrease during this season, with levels dropping from 363mm (14.29") to 357mm (14.06"), and relative humidity hovers between 79.3% to 81.7%.

Winter weather in Mount Cook

Winter, which spans June to August, brings the chilliest weather in Mount Cook with temperatures falling between -2.2°C (28°F) to 8.6°C (47.5°F). The short daylight hours, ranging from 9 hours to 10.4 hours, limit the amount of sunlight received during this period. Despite being the coldest season, the rainfall levels remain moderately high between 305mm (12.01") to 315mm (12.4"), and the relative humidity oscillates around 80.4% to 83.2%.

Weather in January

In the heart of summer, January sees conditions in Mount Cook, New Zealand, that are relatively warm. Following December, temperatures remain stable, allowing residents and tourists alike to enjoy the outdoors. Sunshine is abundant, even though there is a substantial amount of rain. Weather in January »

Weather in February

Transitioning from January, February in Mount Cook tends to have warm temperatures with a high level of humidity. The amount of rainfall decreases, contributing to a noticeable dryness in the atmosphere. This month also boasts more sunshine hours compared to the previous month, adding a blaze to the serene scene. Weather in February »

Weather in March

As March rolls in, the weather in Mount Cook starts to cool down. The sunny hours reduce, and the dryness witnessed in February starts to fade as the rain starts to fall more frequently. The humidity remains high, creating an environment that is slightly damper. Weather in March »

Weather in April

April signifies the onset of autumn in Mount Cook, and the landscape starts to transform. The reduced temperature further sets the tone for an ambiance that is cool and often damp, a far cry from the warm, humid climate experienced in the preceding months. Weather in April »

Weather in May

As winter nears, the month of May brings significant change in Mount Cook weather. The days get colder, shorter, and are met with a noticeably increased amount of rainfall. As the temperatures dip and daylight reduces, the humidity level increases. Weather in May »

Weather in June

June officially marks the start of winter in Mount Cook. The temperatures continue to drop, and the daylight hours decrease even further. A thick layer of fog often envelopes the city, creating an eerie yet fascinating sight. Now, Mount Cook experiences the year's lowest average temperatures of -1°C (30.2°F). Weather in June »

Weather in July

July is in the heart of the winter season in Mount Cook, with the weather marked by snow and freezing temperatures. Daylight hours are scarce, making July the darkest month of the year. However, the snow-covered city under the moonlight makes for an ethereal view. Weather in July »

Weather in August

As August begins, Mount Cook pulls out of its coldest period, but the city is still in the grips of winter. The chilly winds remain, although the daylight hours start to increase, indicating the impending transition into spring. Weather in August »

Weather in September

In September, Mount Cook slowly welcomes the spring weather. Temperatures continue to rise, and longer daylight hours translate into pleasant evenings. Rain showers come and go, keeping the atmosphere damp. A key detail for this month; September sees the average humidity level drop to a year's all-time low of 72.4%. Weather in September »

Weather in October

October in Mount Cook is a delightful blend of fair temperature and slightly moody weather. The city experiences longer hours of sunshine and increased rainfall. The trees color themselves into a palette of warm hues, painting a picturesque autumnal landscape. Weather in October »

Weather in November

As the year draws towards the end, November brings warmer weather to Mount Cook. With the sunshine persisting and temperatures on the rise, the rainfall remains fairly consistent. The landscapes transition from the warm hues of fall to the vibrant shades of summer greens. Weather in November »

Weather in December

December marks the start of summer in Mount Cook. It presents longer daylight hours, moderate temperatures, and frequent rainfall. Although summer is here, mornings and nights retain a cooler touch. This month sees a significant increase in average high temperatures, reaching 18.2°C (64.8°F). Weather in December »
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Frequently asked questions

How much does it rain in Mount Cook?

In Mount Cook, New Zealand, during the entire year, the rain falls for 163.4 days and collects up to 4485mm (176.57") of precipitation.

What are the months with the most sunshine in Mount Cook?

January and February, with an average of 6h of sunshine, are months with the most sunshine in Mount Cook.

What is the warmest month in Mount Cook?

February is the month when Mount Cook sees the average highest temperatures, with a high of 20.7°C (69.3°F) and a low of 8.8°C (47.8°F).

What is the driest month in Mount Cook?

The month with the least rainfall in Mount Cook is February, when the rain falls for 10.9 days and typically collects 278mm (10.94") of precipitation.

When is Daylight Saving Time (DST) in Mount Cook?

On Sunday, 07. April 2024, at 3:00 am, Daylight Saving Time ends in Mount Cook, 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 most humid month in Mount Cook?

June is the most humid month, with an average relative humidity of 83.2%.

What is the month with the shortest days in Mount Cook?

With an average of 9h and 0min of daylight, June has the shortest days of the year.

What is the month with the least sunshine in Mount Cook?

With an average of 2.2h of sunshine, June has the least sunshine of the year in Mount Cook, New Zealand.

What time of the year is the coldest in Mount Cook?

July, marked by an average high-temperature of 6.5°C (43.7°F) and a low-temperature of -2.2°C (28°F), is the coldest month in Mount Cook, New Zealand.

What is the least humid month in Mount Cook?

September is the least humid month, with an average relative humidity of 72.4%.

What is the wettest month in Mount Cook?

December is the month with the most rainfall. Rain falls for 15.7 days and accumulates 487mm (19.17") of precipitation.

When are the longest days in Mount Cook?

The month with the longest days in Mount Cook, New Zealand, is December, with an average of 15h and 24min of daylight.

Average humidity
Mount Cook, New Zealand

Average humidity - Mount Cook, New Zealand

The month with the highest relative humidity is June (83.2%).
The month with the lowest relative humidity is September (72.4%).

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Average rainfall
Mount Cook, New Zealand

Average rainfall - Mount Cook, New Zealand

The wettest month (with the highest rainfall) is December (487.2mm).
The driest month (with the least rainfall) is February (278.4mm).

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Average rainfall days
Mount Cook, New Zealand

Average rainfall days - Mount Cook, New Zealand

The month with the highest number of rainy days is October (16.7 days).
The month with the least rainy days is February (10.9 days).

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Average daylight / Average sunshine
Mount Cook, New Zealand

Average daylight / Average sunshine - Mount Cook, New Zealand

The month with the longest days is December (Average daylight: 15h and 24min).
The month with the shortest days is June (Average daylight: 9h and 0min).

The months with the most sunshine are January and February (Average sunshine: 6h and 0min).
The month with the least sunshine is June (Average sunshine: 2h and 12min).

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Mount Cook, New Zealand

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