Kailua, Oahu weather by month

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

Temperature in Kailua, Oahu (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
79°F maximum daytime temperature in January in Kailua, Oahu79
79°F maximum daytime temperature in February in Kailua, Oahu79
81°F maximum daytime temperature in March in Kailua, Oahu81
81°F maximum daytime temperature in April in Kailua, Oahu81
82°F maximum daytime temperature in May in Kailua, Oahu82
84°F maximum daytime temperature in June in Kailua, Oahu84
86°F maximum daytime temperature in July in Kailua, Oahu86
88°F maximum daytime temperature in August in Kailua, Oahu88
86°F maximum daytime temperature in September in Kailua, Oahu86
84°F maximum daytime temperature in October in Kailua, Oahu84
82°F maximum daytime temperature in November in Kailua, Oahu82
81°F maximum daytime temperature in December in Kailua, Oahu81
Min temperature (night-time)
64°F minimum night-time temperature in January in Kailua, Oahu64
64°F minimum night-time temperature in February in Kailua, Oahu64
66°F minimum night-time temperature in March in Kailua, Oahu66
68°F minimum night-time temperature in April in Kailua, Oahu68
68°F minimum night-time temperature in May in Kailua, Oahu68
70°F minimum night-time temperature in June in Kailua, Oahu70
72°F minimum night-time temperature in July in Kailua, Oahu72
72°F minimum night-time temperature in August in Kailua, Oahu72
72°F minimum night-time temperature in September in Kailua, Oahu72
70°F minimum night-time temperature in October in Kailua, Oahu70
68°F minimum night-time temperature in November in Kailua, Oahu68
66°F minimum night-time temperature in December in Kailua, Oahu66
Heat & Humidity
Low heat & humidity in January in Kailua, OahuL
Low heat & humidity in February in Kailua, OahuL
Low heat & humidity in March in Kailua, OahuL
Low heat & humidity in April in Kailua, OahuL
Moderate heat & humidity in May in Kailua, OahuM
Moderate heat & humidity in June in Kailua, OahuM
Moderate heat & humidity in July in Kailua, OahuM
High heat & humidity in August in Kailua, OahuH
High heat & humidity in September in Kailua, OahuH
Moderate heat & humidity in October in Kailua, OahuM
Moderate heat & humidity in November in Kailua, OahuM
Low heat & humidity in December in Kailua, OahuL
Sea temperature
75°F sea temperature in January in Kailua, Oahu75
75°F sea temperature in February in Kailua, Oahu75
75°F sea temperature in March in Kailua, Oahu75
75°F sea temperature in April in Kailua, Oahu75
77°F sea temperature in May in Kailua, Oahu77
77°F sea temperature in June in Kailua, Oahu77
79°F sea temperature in July in Kailua, Oahu79
79°F sea temperature in August in Kailua, Oahu79
81°F sea temperature in September in Kailua, Oahu81
81°F sea temperature in October in Kailua, Oahu81
79°F sea temperature in November in Kailua, Oahu79
77°F sea temperature in December in Kailua, Oahu77

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

Sunshine & Daylight in Kailua, Oahu

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Kailua, Oahu11
11 hours of daylight per day in February in Kailua, Oahu11
12 hours of daylight per day in March in Kailua, Oahu12
13 hours of daylight per day in April in Kailua, Oahu13
13 hours of daylight per day in May in Kailua, Oahu13
13 hours of daylight per day in June in Kailua, Oahu13
13 hours of daylight per day in July in Kailua, Oahu13
13 hours of daylight per day in August in Kailua, Oahu13
12 hours of daylight per day in September in Kailua, Oahu12
12 hours of daylight per day in October in Kailua, Oahu12
11 hours of daylight per day in November in Kailua, Oahu11
11 hours of daylight per day in December in Kailua, Oahu11
UV Index (Maximum)
UV (maximum) index 7 (High) in January in Kailua, Oahu7
UV (maximum) index 9 (Very High) in February in Kailua, Oahu9
UV (maximum) index 11 (Extreme) in March in Kailua, Oahu11
UV (maximum) index 11 (Extreme) in April in Kailua, Oahu11
UV (maximum) index 11 (Extreme) in May in Kailua, Oahu11
UV (maximum) index 11+ (Extreme) in June in Kailua, Oahu11
UV (maximum) index 11+ (Extreme) in July in Kailua, Oahu11
UV (maximum) index 11+ (Extreme) in August in Kailua, Oahu11
UV (maximum) index 11 (Extreme) in September in Kailua, Oahu11
UV (maximum) index 9 (Very High) in October in Kailua, Oahu9
UV (maximum) index 7 (High) in November in Kailua, Oahu7
UV (maximum) index 6 (High) in December in Kailua, Oahu6

Rainfall in Kailua, Oahu

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
10 days with some rainfall in January in Kailua, Oahu10
9 days with some rainfall in February in Kailua, Oahu9
10 days with some rainfall in March in Kailua, Oahu10
10 days with some rainfall in April in Kailua, Oahu10
8 days with some rainfall in May in Kailua, Oahu8
6 days with some rainfall in June in Kailua, Oahu6
8 days with some rainfall in July in Kailua, Oahu8
7 days with some rainfall in August in Kailua, Oahu7
8 days with some rainfall in September in Kailua, Oahu8
9 days with some rainfall in October in Kailua, Oahu9
10 days with some rainfall in November in Kailua, Oahu10
11 days with some rainfall in December in Kailua, Oahu11
Average monthly rainfall (inches)
3.5 inches monthly rainfall in January in Kailua, Oahu3.5
3.1 inches monthly rainfall in February in Kailua, Oahu3.1
4.0 inches monthly rainfall in March in Kailua, Oahu4.0
2.2 inches monthly rainfall in April in Kailua, Oahu2.2
1.4 inches monthly rainfall in May in Kailua, Oahu1.4
1.1 inches monthly rainfall in June in Kailua, Oahu1.1
1.6 inches monthly rainfall in July in Kailua, Oahu1.6
1.5 inches monthly rainfall in August in Kailua, Oahu1.5
1.7 inches monthly rainfall in September in Kailua, Oahu1.7
3.0 inches monthly rainfall in October in Kailua, Oahu3.0
4.7 inches monthly rainfall in November in Kailua, Oahu4.7
4.3 inches monthly rainfall in December in Kailua, Oahu4.3

More about Kailua, Oahu

Kailua, Oahu by month

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

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The climate guide for Hawaii (Kailua, Oahu) 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 Kailua, Oahu?

Kailua, Oahu has a hot tropical climate with a short dry season.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Kailua, Oahu, Hawaii hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
<1%
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Kailua, Oahu with the USA

Below the Kailua, Oahu chart shows average maximum daytime temperature for Kailua, Oahu, Hawaii, USA and the USA (Washington).

Maximum daytime temperature (°F)

Kailua, Oahu, Hawaii, USA
USA (Washington)
79
41
79
45
81
55
81
66
82
75
84
84
86
88
88
86
86
79
84
68
82
57
81
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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