Honolulu, Oahu climate guide

Temperature in Honolulu, Oahu (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
26°C maximum daytime temperature in January in Honolulu, Oahu26
26°C maximum daytime temperature in February in Honolulu, Oahu26
26°C maximum daytime temperature in March in Honolulu, Oahu26
27°C maximum daytime temperature in April in Honolulu, Oahu27
28°C maximum daytime temperature in May in Honolulu, Oahu28
29°C maximum daytime temperature in June in Honolulu, Oahu29
29°C maximum daytime temperature in July in Honolulu, Oahu29
30°C maximum daytime temperature in August in Honolulu, Oahu30
30°C maximum daytime temperature in September in Honolulu, Oahu30
29°C maximum daytime temperature in October in Honolulu, Oahu29
28°C maximum daytime temperature in November in Honolulu, Oahu28
26°C maximum daytime temperature in December in Honolulu, Oahu26
Min temperature (night-time)
18°C minimum night-time temperature in January in Honolulu, Oahu18
18°C minimum night-time temperature in February in Honolulu, Oahu18
18°C minimum night-time temperature in March in Honolulu, Oahu18
19°C minimum night-time temperature in April in Honolulu, Oahu19
20°C minimum night-time temperature in May in Honolulu, Oahu20
21°C minimum night-time temperature in June in Honolulu, Oahu21
22°C minimum night-time temperature in July in Honolulu, Oahu22
22°C minimum night-time temperature in August in Honolulu, Oahu22
22°C minimum night-time temperature in September in Honolulu, Oahu22
21°C minimum night-time temperature in October in Honolulu, Oahu21
20°C minimum night-time temperature in November in Honolulu, Oahu20
18°C minimum night-time temperature in December in Honolulu, Oahu18
Sea temperature
24°C sea temperature in January in Honolulu, Oahu24
24°C sea temperature in February in Honolulu, Oahu24
24°C sea temperature in March in Honolulu, Oahu24
24°C sea temperature in April in Honolulu, Oahu24
25°C sea temperature in May in Honolulu, Oahu25
26°C sea temperature in June in Honolulu, Oahu26
26°C sea temperature in July in Honolulu, Oahu26
27°C sea temperature in August in Honolulu, Oahu27
27°C sea temperature in September in Honolulu, Oahu27
27°C sea temperature in October in Honolulu, Oahu27
26°C sea temperature in November in Honolulu, Oahu26
25°C sea temperature in December in Honolulu, Oahu25

Sunshine & Daylight in Honolulu, Oahu

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
7 hours of sunshine per day (62% of daylight hours) in January in Honolulu, Oahu7
7 hours of sunshine per day (65% of daylight hours) in February in Honolulu, Oahu7
8 hours of sunshine per day (67% of daylight hours) in March in Honolulu, Oahu8
8 hours of sunshine per day (64% of daylight hours) in April in Honolulu, Oahu8
9 hours of sunshine per day (67% of daylight hours) in May in Honolulu, Oahu9
9 hours of sunshine per day (69% of daylight hours) in June in Honolulu, Oahu9
10 hours of sunshine per day (72% of daylight hours) in July in Honolulu, Oahu10
9 hours of sunshine per day (73% of daylight hours) in August in Honolulu, Oahu9
9 hours of sunshine per day (74% of daylight hours) in September in Honolulu, Oahu9
8 hours of sunshine per day (66% of daylight hours) in October in Honolulu, Oahu8
7 hours of sunshine per day (58% of daylight hours) in November in Honolulu, Oahu7
6 hours of sunshine per day (59% of daylight hours) in December in Honolulu, Oahu6
Daily hours of daylight
11 hours of daylight per day in January in Honolulu, Oahu11
11 hours of daylight per day in February in Honolulu, Oahu11
12 hours of daylight per day in March in Honolulu, Oahu12
13 hours of daylight per day in April in Honolulu, Oahu13
13 hours of daylight per day in May in Honolulu, Oahu13
13 hours of daylight per day in June in Honolulu, Oahu13
13 hours of daylight per day in July in Honolulu, Oahu13
13 hours of daylight per day in August in Honolulu, Oahu13
12 hours of daylight per day in September in Honolulu, Oahu12
12 hours of daylight per day in October in Honolulu, Oahu12
11 hours of daylight per day in November in Honolulu, Oahu11
11 hours of daylight per day in December in Honolulu, Oahu11

Rainfall in Honolulu, 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 Honolulu, Oahu10
9 days with some rainfall in February in Honolulu, Oahu9
10 days with some rainfall in March in Honolulu, Oahu10
10 days with some rainfall in April in Honolulu, Oahu10
8 days with some rainfall in May in Honolulu, Oahu8
7 days with some rainfall in June in Honolulu, Oahu7
8 days with some rainfall in July in Honolulu, Oahu8
7 days with some rainfall in August in Honolulu, Oahu7
8 days with some rainfall in September in Honolulu, Oahu8
9 days with some rainfall in October in Honolulu, Oahu9
11 days with some rainfall in November in Honolulu, Oahu11
11 days with some rainfall in December in Honolulu, Oahu11
Average monthly rainfall (mm)
59 mm monthly rainfall in January in Honolulu, Oahu59
51 mm monthly rainfall in February in Honolulu, Oahu51
51 mm monthly rainfall in March in Honolulu, Oahu51
16 mm monthly rainfall in April in Honolulu, Oahu16
16 mm monthly rainfall in May in Honolulu, Oahu16
7 mm monthly rainfall in June in Honolulu, Oahu7
13 mm monthly rainfall in July in Honolulu, Oahu13
14 mm monthly rainfall in August in Honolulu, Oahu14
18 mm monthly rainfall in September in Honolulu, Oahu18
47 mm monthly rainfall in October in Honolulu, Oahu47
61 mm monthly rainfall in November in Honolulu, Oahu61
82 mm monthly rainfall in December in Honolulu, Oahu82

More climate for Honolulu, Oahu

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 7 (High) in January in Honolulu, Oahu7
UV (maximum) index 9 (Very High) in February in Honolulu, Oahu9
UV (maximum) index 11 (Extreme) in March in Honolulu, Oahu11
UV (maximum) index 11 (Extreme) in April in Honolulu, Oahu11
UV (maximum) index 11 (Extreme) in May in Honolulu, Oahu11
UV (maximum) index 11+ (Extreme) in June in Honolulu, Oahu11
UV (maximum) index 11+ (Extreme) in July in Honolulu, Oahu11
UV (maximum) index 11+ (Extreme) in August in Honolulu, Oahu11
UV (maximum) index 11 (Extreme) in September in Honolulu, Oahu11
UV (maximum) index 9 (Very High) in October in Honolulu, Oahu9
UV (maximum) index 7 (High) in November in Honolulu, Oahu7
UV (maximum) index 6 (High) in December in Honolulu, Oahu6
Heat & Humidity
Low heat & humidity in January in Honolulu, OahuL
Low heat & humidity in February in Honolulu, OahuL
Low heat & humidity in March in Honolulu, OahuL
Low heat & humidity in April in Honolulu, OahuL
Moderate heat & humidity in May in Honolulu, OahuM
Moderate heat & humidity in June in Honolulu, OahuM
High heat & humidity in July in Honolulu, OahuH
High heat & humidity in August in Honolulu, OahuH
High heat & humidity in September in Honolulu, OahuH
High heat & humidity in October in Honolulu, OahuH
Moderate heat & humidity in November in Honolulu, OahuM
Low heat & humidity in December in Honolulu, OahuL

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

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More about Honolulu, Oahu

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The climate guide for Honolulu, Oahu, Hawaii 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 / mm)  |  Imperial (°F / inches)

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