Annual mean 14°C · wettest around July · prevailing wind NW
Warmest
21.9 °C
Coldest
12.2 °C
Wettest
38%
Windiest
7.1 m/s
Prevailing
NW
6.2 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in New Plymouth over the whole year is 14°C. February is the hottest month, with highs of about 22°C; August is the coldest, with lows of about 8°C. The rainy (wet) season in New Plymouth runs from May to October, peaking in July with a 28% chance of rain on a given day. The dry season is November to April; January is the driest month, at 12%. Winds in New Plymouth are highest in September, averaging 5.9 m/s (21 km/h), and lightest in April, at 4.9 m/s (18 km/h). The prevailing wind is from the NW. The clearest skies in New Plymouth come in April, when the sky is typically 58% covered; January is the cloudiest month, at 82%.
Month by month New Plymouth climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
21°C
15°C
18°C
12%
82%
5.2 m/s
76
7
74
February
22°C
15°C
19°C
13%
58%
5.1 m/s
80
7
73
March
20°C
14°C
17°C
14%
66%
5.1 m/s
72
2
79
April
18°C
13°C
15°C
17%
58%
4.9 m/s
59
0
82
May
16°C
11°C
12°C
21%
64%
5.2 m/s
30
0
74
June
14°C
9°C
9°C
23%
72%
5.1 m/s
7
0
67
July
13°C
9°C
8°C
28%
74%
5.4 m/s
2
0
58
August
13°C
8°C
8°C
24%
75%
5.3 m/s
3
0
60
September
14°C
10°C
9°C
24%
70%
5.9 m/s
7
0
64
October
16°C
11°C
11°C
20%
74%
5.4 m/s
20
0
74
November
18°C
13°C
14°C
20%
71%
5.7 m/s
44
0
76
December
20°C
15°C
17°C
17%
65%
5.4 m/s
66
1
77
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short New Plymouth weather by season
Year round, New Plymouth has days of about 13°C at their warmest in July, its coolest month, and 22°C in February, its warmest; the coolest hours of the day run from 8°C to 15°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around July and least likely around January. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
New Plymouth weather in winterJune to August
High 13°CLow 9°CRain 25%
Winter in New Plymouth has typical daily highs of about 13°C and lows of about 9°C, with a 25% chance of rain on a given day.
New Plymouth weather in springSeptember to November
High 16°CLow 11°CRain 21%
Spring in New Plymouth has typical daily highs of about 16°C and lows of about 11°C, with a 21% chance of rain on a given day.
New Plymouth weather in summerDecember to February
High 21°CLow 15°CRain 14%
Summer in New Plymouth has typical daily highs of about 21°C and lows of about 15°C, with a 14% chance of rain on a given day.
New Plymouth weather in autumnMarch to May
High 18°CLow 13°CRain 17%
Autumn in New Plymouth has typical daily highs of about 18°C and lows of about 13°C, with a 17% chance of rain on a given day.
When is the rainy season in New Plymouth?
The rainy (wet) season in New Plymouth runs from May to October, peaking in July with a 28% chance of rain on a given day. The dry season is November to April; January is the driest month, at 12%.
What time of year is New Plymouth windiest?
Winds in New Plymouth are highest in September, averaging 5.9 m/s (21 km/h), and lightest in April, at 4.9 m/s (18 km/h). The prevailing wind is from the NW.
What is the average temperature in New Plymouth year round?
The average temperature in New Plymouth over the whole year is 14°C. February is the hottest month, with highs of about 22°C; August is the coldest, with lows of about 8°C.