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Contents
- The climate of New Plymouth
- The best time to visit New Plymouth
- The worst time to visit New Plymouth
- Spring weather in New Plymouth
- Summer weather in New Plymouth
- Autumn weather in New Plymouth
- Winter weather in New Plymouth
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average UV index
The climate of New Plymouth
The climatic reality of New Plymouth is classified according to the Köppen climate classification, as a Cfb or marine west coast climate with a warm summer. In this region of New Zealand, positioned in the west coast of the North Island, it's the coastal influence that plays a significant role in moderating temperature fluctuations. Consequently, it exhibits less seasonal temperature contrast than interior locales.
Across the twelve months, temperatures exhibit variability, but do not incline towards extremes. High temperature values fluctuate, beginning at 21.7°C (71.1°F) in January, with a slightly warmer February at 22.1°C (71.8°F), and gradually decline till July, marking the coldest month with a high of 13.3°C (55.9°F). From July onwards, a slow ascent in temperature can be observed, reaching 19.9°C (67.8°F) in December. The trend of low temperatures distinctly mirrors this pattern. Commencing the year at 13.8°C (56.8°F), it falls to the year's minimum temperature of 5.8°C (42.4°F) in July, then gradually ascends to 12.7°C (54.9°F) in December.
Rainfall improves gradually, starting from 115mm (4.53") in January to reach its peak in June with 153mm (6.02"), before gradually dropping to 113mm (4.45") in December. Meanwhile, daylight hours reduce from 14.6h in January to 9.5h in June and gradually rise back to 14.9h in December. Subsequently, sunshine hours follow this rhythmic cadence from 8h in January to 3.9h in June, reverting back to 6.8h in December.
Across the twelve months, temperatures exhibit variability, but do not incline towards extremes. High temperature values fluctuate, beginning at 21.7°C (71.1°F) in January, with a slightly warmer February at 22.1°C (71.8°F), and gradually decline till July, marking the coldest month with a high of 13.3°C (55.9°F). From July onwards, a slow ascent in temperature can be observed, reaching 19.9°C (67.8°F) in December. The trend of low temperatures distinctly mirrors this pattern. Commencing the year at 13.8°C (56.8°F), it falls to the year's minimum temperature of 5.8°C (42.4°F) in July, then gradually ascends to 12.7°C (54.9°F) in December.
Rainfall improves gradually, starting from 115mm (4.53") in January to reach its peak in June with 153mm (6.02"), before gradually dropping to 113mm (4.45") in December. Meanwhile, daylight hours reduce from 14.6h in January to 9.5h in June and gradually rise back to 14.9h in December. Subsequently, sunshine hours follow this rhythmic cadence from 8h in January to 3.9h in June, reverting back to 6.8h in December.
The best time to visit New Plymouth
For those considering visiting New Plymouth, the period between December and February serves as the most preferable choice. Tourists can comfortably embrace the highest average high temperatures fluctuating from 20.9°C (69.6°F) to 22.1°C (71.8°F), the most daily sunshine averaging up to 8h, and the maximum daylight hours peaking at 14.9h in December.
The worst time to visit New Plymouth
The period extending from June to July would be less ideal for tourists due to the significantly reduced temperature, daylight, and sunshine hours. The lowest average high temperature dwells around 13.3°C (55.9°F) in July and daylight hours reduce to a bare 9.5h while sunshine hours are limited to nearly 4h per day.
Spring weather in New Plymouth
Spring in New Plymouth brings about increasing temperatures and elongating daylight. Average high temperatures move from 16°C (60.8°F) in September to 19.9°C (67.8°F) in December. Average low temperatures also experience a rise from 9.5°C (49.1°F) in September to 12.7°C (54.9°F) in December. However, rainfall increases from 105mm (4.13") in September to 113mm (4.45") in December, making it a rather wet season.
Summer weather in New Plymouth
Summers in New Plymouth are warm and relatively drier compared to other seasons. The average high temperature hovers from 21.7°C (71.1°F) in January to 18.6°C (65.5°F) in March, while the average lows range from 13.8°C (56.8°F) to 10.4°C (50.7°F) within the same period. However, it's the decreasing rainfall from January's 115mm (4.53") to March's 125mm (4.92") that makes summer in New Plymouth notable.
Autumn weather in New Plymouth
Autumn in New Plymouth witnesses a gradual decline in temperatures, shorter daylight hours, and sunshine hours. Despite these changes, it also ushers in elevated rainfall from 97mm (3.82") in April to 153mm (6.02") in June. The average high temperature starts at 16°C (60.8°F) in April and falls to 13.3°C (55.9°F) by June.
Winter weather in New Plymouth
Winter in New Plymouth is the coldest period of the year with July being the chilliest month. The average high temperature in this season has a range from 13.3°C (55.9°F) to 16.1°C (61°F) while average lows fluctuate between 5.8°C (42.4°F) and 9.5°C (49.1°F). Daylight and sunshine hours during winter are limited but gradually increase as the season progresses. The maximum rainfall in this season is registered in June with 153mm (6.02"); however, it gradually falls to 118mm (4.65") in August.
Weather in January
January, the heart of summer in New Plymouth, ascends to a more tolerable warmth with an average high temperature of 21.7°C (71.1°F). A stark yet comforting transition from the previous month, the January sun offers a pleasing warmth, not found during any other period. Weather in January »
Weather in February
February inhabits a weather pattern similar to January but with a slight temperature increase of 22.1°C (71.8°F) in the daytime. The humidity rises marginally, giving the midday sun an extra push. The month experiences less rainfall, making it feasible for outdoor enthusiasts to venture into the open. Weather in February »
Weather in March
March sees the weather pivot towards autumn, with average temperatures decreasing to approximately 20.9°C (69.6°F). The humidity levels stay constant, hinting at the steady transition towards a cooler season. Later sunrises and earlier sunsets are markers of the impending change in the weather pattern. Weather in March »
Weather in April
April fashions a distinct drop in temperature, settling around 18.6°C (65.5°F), as New Plymouth treads further into autumn. The city witnesses an increase in the number of rainy days, hinting at the changing weather patterns. The blend of cool temperature coupled with the rising numbers of rainy days encapsulates the essence of the true autumn experience. Weather in April »
Weather in May
In May, the chills of winter begin to crawl into New Plymouth, with temperatures dropping to an average of 16°C (60.8°F), marking a significant difference from the warm climes of the previous month. Nights become colder and the city starts to experience an amplified number of rainy days. Weather in May »
Weather in June
New Plymouth guides its residents into the heart of winter as June rolls in. The warmth of the previous month is replaced by cooler temperatures dropping to an average of 14°C (57.2°F). Rainfall is more frequently observed, marking June as the wettest month of the year. Weather in June »
Weather in July
July, the coldest month in New Plymouth, rallies around an average temperature of 13.3°C (55.9°F). Winter continues its reign with the mercury dropping further from the previous month. Residents brace for shorter days and long, chilly nights. Weather in July »
Weather in August
August in New Plymouth witnesses a subtle transition from the peak of winter towards the arrival of spring. A minor rise in the temperature to an average of 14°C (57.2°F) lends credence to this shift. Despite the slight alteration in temperature, August secures its position as one of the coldest months. Weather in August »
Weather in September
September ushers in the first signs of spring with an average temperature of 15°C (59°F), marking a significant shift from the cooler climes of the past few months. As the temperatures gradually begin to rise, the conditions start favoring outdoor activities. Weather in September »
Weather in October
October persists in the transition towards summer, with temperatures seeing a further increase to a comfortable 16.1°C (61°F). The receding cold of the previous month gives way to a more pleasant climate. The number of daylight hours increases, creating a brighter ambience throughout the city. Weather in October »
Weather in November
In November, New Plymouth populous starts to experience the early onset of summer. With temperatures steadily climbing to an average of 18.1°C (64.6°F), the city's climate takes on a distinctly warmer character. A reduction in rainfall days emphasizes the shift towards drier conditions. Weather in November »
Weather in December
December marks the pinnacle of summer's arrival with average temperatures peaking at 19.9°C (67.8°F). New Plymouth transitions into longer, hotter days, concluding the year on a warm note. A slight increase in rainfall is observed but overall, dry conditions prevail. Weather in December »
[Resources]Frequently asked questions
How many days does it rain in New Plymouth?
Throughout the year, there are 134.8 rainfall days, and 1386mm (54.57") of precipitation is accumulated.
What are the months with the most sunshine in New Plymouth?
January and February, with an average of 8h of sunshine, are months with the most sunshine.
When is the highest UV index in New Plymouth?
The months with the highest UV index in New Plymouth, New Zealand, are January and December, with an average maximum UV index of 11.
What part of the year is the hottest in New Plymouth?
The warmest period in New Plymouth, New Zealand, is February, when temperatures fluctuate between an average high of 22.1°C (71.8°F) and a low of 13.9°C (57°F).
What is the driest month in New Plymouth?
February is the month with the least rainfall. Rain falls for 7.7 days and accumulates 85mm (3.35") of precipitation.
What are the months with the warmest sea water in New Plymouth?
February and March, with an average sea temperature of 19°C (66.2°F), are months with the warmest seawater in New Plymouth, New Zealand.
When is Daylight Saving Time (DST) in New Plymouth?
On Sunday, 07. April 2024, at 3:00 am, Daylight Saving Time ends, 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 lowest UV index in New Plymouth?
May through July, with an average maximum UV index of 2, are months with the lowest UV index in New Plymouth.
What is the most humid month in New Plymouth?
With an average relative humidity of 86.1%, June is the most humid month.
What is the wettest month in New Plymouth?
June is the month with the most rainfall in New Plymouth, New Zealand. Rain falls for 13.6 days and accumulates 153mm (6.02") of precipitation.
What is the month with the shortest days in New Plymouth?
The month with the shortest days is June, with an average of 9h and 30min of daylight.
What is the month with the least sunshine in New Plymouth?
June has the least sunshine of the year, with an average of 3.9h of sunshine.
What month is the coldest in New Plymouth?
July is the month when New Plymouth experiences its coldest temperatures, averaging a high of 13.3°C (55.9°F) and a low of 5.8°C (42.4°F).
What months are the sea coldest in New Plymouth?
July through October, with an average sea temperature of 14°C (57.2°F), are months with the coldest seawater.
What is the least humid month in New Plymouth?
November is the least humid month, with an average relative humidity of 80.1%.
When are the longest days in New Plymouth?
The month with the longest days in New Plymouth, New Zealand, is December, with an average of 14h and 54min of daylight.
Average temperature
New Plymouth, New Zealand
The warmest month (with the highest average high temperature) is February (22.1°C).
The month with the lowest average high temperature is July (13.3°C).
The month with the highest average low temperature is February (13.9°C).
The coldest month (with the lowest average low temperature) is July (5.8°C).
Average humidity
New Plymouth, New Zealand
- Average humidity in January:
80.9% - Average humidity in February:
82.5% - Average humidity in March:
81.8% - Average humidity in April:
82.4% - Average humidity in May:
85.4% - Average humidity in June:
86.1%
- Average humidity in July:
85.7% - Average humidity in August:
84.4% - Average humidity in September:
82.7% - Average humidity in October:
82.8% - Average humidity in November:
80.1% - Average humidity in December:
81.4%
The month with the highest relative humidity is June (86.1%).
The month with the lowest relative humidity is November (80.1%).
Average rainfall
New Plymouth, New Zealand
- Average rainfall in January:
114.5mm - Average rainfall in February:
85.4mm - Average rainfall in March:
126.5mm - Average rainfall in April:
125.4mm - Average rainfall in May:
97.1mm - Average rainfall in June:
152.6mm
- Average rainfall in July:
131.1mm - Average rainfall in August:
117.2mm - Average rainfall in September:
104.8mm - Average rainfall in October:
117.8mm - Average rainfall in November:
100.3mm - Average rainfall in December:
113.1mm
The wettest month (with the highest rainfall) is June (152.6mm).
The driest month (with the least rainfall) is February (85.4mm).
Average rainfall days
New Plymouth, New Zealand
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
9.8 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
13.6 days
- Average rainfall days in July:
12.6 days - Average rainfall days in August:
13.4 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
14.1 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is October (14.1 days).
The month with the least rainy days is February (7.7 days).
Average sea temperature
New Plymouth, New Zealand
The best months for swimming (with the highest average sea temperature) are February and March (19°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (14°C).
Average daylight / Average sunshine
New Plymouth, New Zealand
- Average daylight in January:
14h and 4min - Average daylight in February:
13h and 4min - Average daylight in March:
12h and 2min - Average daylight in April:
11h and 1min - Average daylight in May:
10h and 0min - Average daylight in June:
9h and 3min
- Average daylight in July:
9h and 4min - Average daylight in August:
10h and 4min - Average daylight in September:
11h and 5min - Average daylight in October:
13h and 1min - Average daylight in November:
14h and 1min - Average daylight in December:
14h and 5min
The month with the longest days is December (Average daylight: 14h and 54min).
The month with the shortest days is June (Average daylight: 9h and 30min).
- Average sunshine in January:
8h and 0min - Average sunshine in February:
8h and 0min - Average sunshine in March:
6h and 5min - Average sunshine in April:
5h and 5min - Average sunshine in May:
4h and 4min - Average sunshine in June:
3h and 5min
- Average sunshine in July:
4h and 3min - Average sunshine in August:
5h and 1min - Average sunshine in September:
5h and 2min - Average sunshine in October:
6h and 1min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 5min
The months with the most sunshine are January and February (Average sunshine: 8h and 0min).
The month with the least sunshine is June (Average sunshine: 3h and 54min).
Average UV index
New Plymouth, New Zealand
The months with the highest UV index are January and December (UV index 11).
The months with the lowest UV index are May, June and July (UV index 2).
New Plymouth, New Zealand
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