Penrhyn weather by month

Check out Penrhyn weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Penrhyn (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
88°F maximum daytime temperature in January in Penrhyn88
86°F maximum daytime temperature in February in Penrhyn86
88°F maximum daytime temperature in March in Penrhyn88
88°F maximum daytime temperature in April in Penrhyn88
88°F maximum daytime temperature in May in Penrhyn88
88°F maximum daytime temperature in June in Penrhyn88
88°F maximum daytime temperature in July in Penrhyn88
86°F maximum daytime temperature in August in Penrhyn86
88°F maximum daytime temperature in September in Penrhyn88
88°F maximum daytime temperature in October in Penrhyn88
88°F maximum daytime temperature in November in Penrhyn88
88°F maximum daytime temperature in December in Penrhyn88
Min temperature (night-time)
77°F minimum night-time temperature in January in Penrhyn77
75°F minimum night-time temperature in February in Penrhyn75
77°F minimum night-time temperature in March in Penrhyn77
77°F minimum night-time temperature in April in Penrhyn77
77°F minimum night-time temperature in May in Penrhyn77
75°F minimum night-time temperature in June in Penrhyn75
75°F minimum night-time temperature in July in Penrhyn75
75°F minimum night-time temperature in August in Penrhyn75
75°F minimum night-time temperature in September in Penrhyn75
75°F minimum night-time temperature in October in Penrhyn75
75°F minimum night-time temperature in November in Penrhyn75
77°F minimum night-time temperature in December in Penrhyn77
Heat & Humidity
High heat & humidity in January in PenrhynH
High heat & humidity in February in PenrhynH
Very high heat & humidity in March in PenrhynVH
Very high heat & humidity in April in PenrhynVH
Very high heat & humidity in May in PenrhynVH
High heat & humidity in June in PenrhynH
High heat & humidity in July in PenrhynH
High heat & humidity in August in PenrhynH
High heat & humidity in September in PenrhynH
High heat & humidity in October in PenrhynH
High heat & humidity in November in PenrhynH
High heat & humidity in December in PenrhynH
Sea temperature
84°F sea temperature in January in Penrhyn84
84°F sea temperature in February in Penrhyn84
84°F sea temperature in March in Penrhyn84
84°F sea temperature in April in Penrhyn84
84°F sea temperature in May in Penrhyn84
84°F sea temperature in June in Penrhyn84
84°F sea temperature in July in Penrhyn84
82°F sea temperature in August in Penrhyn82
82°F sea temperature in September in Penrhyn82
84°F sea temperature in October in Penrhyn84
84°F sea temperature in November in Penrhyn84
84°F sea temperature in December in Penrhyn84

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Penrhyn

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of daylight
13 hours of daylight per day in January in Penrhyn13
12 hours of daylight per day in February in Penrhyn12
12 hours of daylight per day in March in Penrhyn12
12 hours of daylight per day in April in Penrhyn12
12 hours of daylight per day in May in Penrhyn12
12 hours of daylight per day in June in Penrhyn12
12 hours of daylight per day in July in Penrhyn12
12 hours of daylight per day in August in Penrhyn12
12 hours of daylight per day in September in Penrhyn12
12 hours of daylight per day in October in Penrhyn12
13 hours of daylight per day in November in Penrhyn13
13 hours of daylight per day in December in Penrhyn13
UV Index (Maximum)
UV (maximum) index 11+ (Extreme) in January in Penrhyn11
UV (maximum) index 11+ (Extreme) in February in Penrhyn11
UV (maximum) index 11+ (Extreme) in March in Penrhyn11
UV (maximum) index 11+ (Extreme) in April in Penrhyn11
UV (maximum) index 11 (Extreme) in May in Penrhyn11
UV (maximum) index 9 (Very High) in June in Penrhyn9
UV (maximum) index 10 (Very High) in July in Penrhyn10
UV (maximum) index 11 (Extreme) in August in Penrhyn11
UV (maximum) index 11+ (Extreme) in September in Penrhyn11
UV (maximum) index 11+ (Extreme) in October in Penrhyn11
UV (maximum) index 11+ (Extreme) in November in Penrhyn11
UV (maximum) index 11+ (Extreme) in December in Penrhyn11

Rainfall in Penrhyn

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
18 days with some rainfall in January in Penrhyn18
17 days with some rainfall in February in Penrhyn17
18 days with some rainfall in March in Penrhyn18
13 days with some rainfall in April in Penrhyn13
9 days with some rainfall in May in Penrhyn9
6 days with some rainfall in June in Penrhyn6
6 days with some rainfall in July in Penrhyn6
5 days with some rainfall in August in Penrhyn5
6 days with some rainfall in September in Penrhyn6
6 days with some rainfall in October in Penrhyn6
7 days with some rainfall in November in Penrhyn7
12 days with some rainfall in December in Penrhyn12
Average monthly rainfall (inches)
9.8 inches monthly rainfall in January in Penrhyn9.8
11.7 inches monthly rainfall in February in Penrhyn11.7
10.4 inches monthly rainfall in March in Penrhyn10.4
7.1 inches monthly rainfall in April in Penrhyn7.1
6.0 inches monthly rainfall in May in Penrhyn6.0
6.5 inches monthly rainfall in June in Penrhyn6.5
4.9 inches monthly rainfall in July in Penrhyn4.9
6.3 inches monthly rainfall in August in Penrhyn6.3
5.3 inches monthly rainfall in September in Penrhyn5.3
5.6 inches monthly rainfall in October in Penrhyn5.6
6.9 inches monthly rainfall in November in Penrhyn6.9
9.5 inches monthly rainfall in December in Penrhyn9.5

More about the Penrhyn

Penrhyn by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Cook Islands (Penrhyn) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Penrhyn?

Penrhyn has a hot tropical climate with no dry season.

Penrhyn weather in January

Expect daytime maximum temperatures of 88°F in Penrhyn, Cook Islands in January and high heat and humidity based on long-term weather averages. There are 18 days with some rainfall and typically 9.8 inches of rainfall in the month.

  • 88°F maximum daytime temperature in January in Penrhyn88
    88°F max day temperature
  • 18 days with some rainfall in January in Penrhyn18
    18 days with some rainfall
  • 77°F minimum night-time temperature in January in Penrhyn77
    77°F min night temperature
  • 13 hours of daylight per day in January in Penrhyn13
    13 hours of daylight per day
  • High heat & humidity in January in PenrhynH
    High heat & humidity
  • 9.8 inches monthly rainfall in January in Penrhyn9.8
    9.8 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in Penrhyn11
    11+ (Extreme) UV index
  • 84°F sea temperature in January in Penrhyn84
    84°F sea temperature

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Penrhyn weather in February

Expect daytime maximum temperatures of 86°F in Penrhyn, Cook Islands in February and very high heat and humidity based on long-term weather averages. There are 17 days with some rainfall and typically 11.7 inches of rainfall in the month.

  • 86°F maximum daytime temperature in February in Penrhyn86
    86°F max day temperature
  • 17 days with some rainfall in February in Penrhyn17
    17 days with some rainfall
  • 75°F minimum night-time temperature in February in Penrhyn75
    75°F min night temperature
  • 12 hours of daylight per day in February in Penrhyn12
    12 hours of daylight per day
  • High heat & humidity in February in PenrhynH
    High heat & humidity
  • 11.7 inches monthly rainfall in February in Penrhyn11.7
    11.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in February in Penrhyn11
    11+ (Extreme) UV index
  • 84°F sea temperature in February in Penrhyn84
    84°F sea temperature

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Penrhyn weather in March

Expect daytime maximum temperatures of 88°F in Penrhyn, Cook Islands in March and very high heat and humidity based on long-term weather averages. There are 18 days with some rainfall and typically 10.4 inches of rainfall in the month.

  • 88°F maximum daytime temperature in March in Penrhyn88
    88°F max day temperature
  • 18 days with some rainfall in March in Penrhyn18
    18 days with some rainfall
  • 77°F minimum night-time temperature in March in Penrhyn77
    77°F min night temperature
  • 12 hours of daylight per day in March in Penrhyn12
    12 hours of daylight per day
  • Very high heat & humidity in March in PenrhynVH
    Very High heat & humidity
  • 10.4 inches monthly rainfall in March in Penrhyn10.4
    10.4 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in Penrhyn11
    11+ (Extreme) UV index
  • 84°F sea temperature in March in Penrhyn84
    84°F sea temperature

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Penrhyn weather in April

Expect daytime maximum temperatures of 88°F in Penrhyn, Cook Islands in April and very high heat and humidity based on long-term weather averages. There are 13 days with some rainfall and typically 7.1 inches of rainfall in the month.

  • 88°F maximum daytime temperature in April in Penrhyn88
    88°F max day temperature
  • 13 days with some rainfall in April in Penrhyn13
    13 days with some rainfall
  • 77°F minimum night-time temperature in April in Penrhyn77
    77°F min night temperature
  • 12 hours of daylight per day in April in Penrhyn12
    12 hours of daylight per day
  • Very high heat & humidity in April in PenrhynVH
    Very High heat & humidity
  • 7.1 inches monthly rainfall in April in Penrhyn7.1
    7.1 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Penrhyn11
    11+ (Extreme) UV index
  • 84°F sea temperature in April in Penrhyn84
    84°F sea temperature

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Penrhyn weather in May

Expect daytime maximum temperatures of 88°F in Penrhyn, Cook Islands in May and very high heat and humidity based on long-term weather averages. There is typically6.0 inches of rainfall in the month.

  • 88°F maximum daytime temperature in May in Penrhyn88
    88°F max day temperature
  • 9 days with some rainfall in May in Penrhyn9
    9 days with some rainfall
  • 77°F minimum night-time temperature in May in Penrhyn77
    77°F min night temperature
  • 12 hours of daylight per day in May in Penrhyn12
    12 hours of daylight per day
  • Very high heat & humidity in May in PenrhynVH
    Very High heat & humidity
  • 6.0 inches monthly rainfall in May in Penrhyn6.0
    6.0 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in May in Penrhyn11
    11 (Extreme) UV index
  • 84°F sea temperature in May in Penrhyn84
    84°F sea temperature

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Penrhyn weather in June

Expect daytime maximum temperatures of 88°F in Penrhyn, Cook Islands in June and high heat and humidity based on long-term weather averages. There is typically6.5 inches of rainfall in the month.

  • 88°F maximum daytime temperature in June in Penrhyn88
    88°F max day temperature
  • 6 days with some rainfall in June in Penrhyn6
    6 days with some rainfall
  • 75°F minimum night-time temperature in June in Penrhyn75
    75°F min night temperature
  • 12 hours of daylight per day in June in Penrhyn12
    12 hours of daylight per day
  • High heat & humidity in June in PenrhynH
    High heat & humidity
  • 6.5 inches monthly rainfall in June in Penrhyn6.5
    6.5 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Penrhyn9
    9 (Very High) UV index
  • 84°F sea temperature in June in Penrhyn84
    84°F sea temperature

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Penrhyn weather in July

Expect daytime maximum temperatures of 88°F in Penrhyn, Cook Islands in July and high heat and humidity based on long-term weather averages. There is typically4.9 inches of rainfall in the month.

  • 88°F maximum daytime temperature in July in Penrhyn88
    88°F max day temperature
  • 6 days with some rainfall in July in Penrhyn6
    6 days with some rainfall
  • 75°F minimum night-time temperature in July in Penrhyn75
    75°F min night temperature
  • 12 hours of daylight per day in July in Penrhyn12
    12 hours of daylight per day
  • High heat & humidity in July in PenrhynH
    High heat & humidity
  • 4.9 inches monthly rainfall in July in Penrhyn4.9
    4.9 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Penrhyn10
    10 (Very High) UV index
  • 84°F sea temperature in July in Penrhyn84
    84°F sea temperature

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Penrhyn weather in August

Expect daytime maximum temperatures of 86°F in Penrhyn, Cook Islands in August and high heat and humidity based on long-term weather averages. There is typically6.3 inches of rainfall in the month.

  • 86°F maximum daytime temperature in August in Penrhyn86
    86°F max day temperature
  • 5 days with some rainfall in August in Penrhyn5
    5 days with some rainfall
  • 75°F minimum night-time temperature in August in Penrhyn75
    75°F min night temperature
  • 12 hours of daylight per day in August in Penrhyn12
    12 hours of daylight per day
  • High heat & humidity in August in PenrhynH
    High heat & humidity
  • 6.3 inches monthly rainfall in August in Penrhyn6.3
    6.3 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Penrhyn11
    11 (Extreme) UV index
  • 82°F sea temperature in August in Penrhyn82
    82°F sea temperature

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Penrhyn weather in September

Expect daytime maximum temperatures of 88°F in Penrhyn, Cook Islands in September and high heat and humidity based on long-term weather averages. There is typically5.3 inches of rainfall in the month.

  • 88°F maximum daytime temperature in September in Penrhyn88
    88°F max day temperature
  • 6 days with some rainfall in September in Penrhyn6
    6 days with some rainfall
  • 75°F minimum night-time temperature in September in Penrhyn75
    75°F min night temperature
  • 12 hours of daylight per day in September in Penrhyn12
    12 hours of daylight per day
  • High heat & humidity in September in PenrhynH
    High heat & humidity
  • 5.3 inches monthly rainfall in September in Penrhyn5.3
    5.3 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Penrhyn11
    11+ (Extreme) UV index
  • 82°F sea temperature in September in Penrhyn82
    82°F sea temperature

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Penrhyn weather in October

Expect daytime maximum temperatures of 88°F in Penrhyn, Cook Islands in October and high heat and humidity based on long-term weather averages. There is typically5.6 inches of rainfall in the month.

  • 88°F maximum daytime temperature in October in Penrhyn88
    88°F max day temperature
  • 6 days with some rainfall in October in Penrhyn6
    6 days with some rainfall
  • 75°F minimum night-time temperature in October in Penrhyn75
    75°F min night temperature
  • 12 hours of daylight per day in October in Penrhyn12
    12 hours of daylight per day
  • High heat & humidity in October in PenrhynH
    High heat & humidity
  • 5.6 inches monthly rainfall in October in Penrhyn5.6
    5.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Penrhyn11
    11+ (Extreme) UV index
  • 84°F sea temperature in October in Penrhyn84
    84°F sea temperature

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Penrhyn weather in November

Expect daytime maximum temperatures of 88°F in Penrhyn, Cook Islands in November and high heat and humidity based on long-term weather averages. There is typically6.9 inches of rainfall in the month.

  • 88°F maximum daytime temperature in November in Penrhyn88
    88°F max day temperature
  • 7 days with some rainfall in November in Penrhyn7
    7 days with some rainfall
  • 75°F minimum night-time temperature in November in Penrhyn75
    75°F min night temperature
  • 13 hours of daylight per day in November in Penrhyn13
    13 hours of daylight per day
  • High heat & humidity in November in PenrhynH
    High heat & humidity
  • 6.9 inches monthly rainfall in November in Penrhyn6.9
    6.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in November in Penrhyn11
    11+ (Extreme) UV index
  • 84°F sea temperature in November in Penrhyn84
    84°F sea temperature

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Penrhyn weather in December

Expect daytime maximum temperatures of 88°F in Penrhyn, Cook Islands in December and high heat and humidity based on long-term weather averages. There are 12 days with some rainfall and typically 9.5 inches of rainfall in the month.

  • 88°F maximum daytime temperature in December in Penrhyn88
    88°F max day temperature
  • 12 days with some rainfall in December in Penrhyn12
    12 days with some rainfall
  • 77°F minimum night-time temperature in December in Penrhyn77
    77°F min night temperature
  • 13 hours of daylight per day in December in Penrhyn13
    13 hours of daylight per day
  • High heat & humidity in December in PenrhynH
    High heat & humidity
  • 9.5 inches monthly rainfall in December in Penrhyn9.5
    9.5 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Penrhyn11
    11+ (Extreme) UV index
  • 84°F sea temperature in December in Penrhyn84
    84°F sea temperature

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More about the Penrhyn

Penrhyn by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Cook Islands (Penrhyn) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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Compare Penrhyn with the UK

Below the Penrhyn chart shows average maximum daytime temperature for Penrhyn, Cook Islands and the UK (London).

Maximum daytime temperature (°F)

Penrhyn, Cook Islands
UK (London)
88
45
86
45
88
50
88
55
88
63
88
68
88
72
86
72
88
66
88
59
88
50
88
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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