How many sunny days does Kailua have per year?

Kailua averages approximately 334 sunny days per year, based on historical climate data.

What is the air quality in Kailua?

Kailua has an annual PM2.5 concentration of 3.5 µg/m³, classified as "Excellent" by WHO standards. Meets WHO guideline. Minimal health risk.

Hawaii

Kailua · United States

A city in the United States.

Small city

39K

13:56 UTC-10

USD

Explore on map →Climate twin →

Kailua, United States is a 39K-resident city with 334 sunny days and 0 frost days annually and an annual PM2.5 of 3.5 µg/m³. A city in the United States.

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Climate

Feels-like °C

Dinner outside

Climate Lab · Kailua

Monthly climate metrics across temperature, precipitation, wind, and UV.

Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	25	24	24	25	26	26	27	27	27	27	26	25	26
Daily mean°C	23	23	23	23	24	25	26	26	26	26	25	24	24
Daily low°C	22	21	21	22	23	24	24	25	25	24	23	22	23
Thermal comfort
High feelsDaily high feels-like°C	30	27	30	29	30	30	29	30	31	33	30	30	30
Mean feelsDaily mean feels-like°C	23	21	22	23	25	27	27	28	28	28	25	24	25
Low feelsDaily low feels-like°C	16	13	14	15	17	19	18	19	20	20	17	16	17
Humidity
HumidityRelative humidity%	74	73	76	71	73	71	73	71	72	74	75	75	73
Dewpoint°C	18.8	17.8	18.3	18.3	18.8	19.6	20.3	20.0	20.4	20.6	20.0	19.5	19.4
Precipitation
Rainfallmm	49	59	56	29	40	29	43	23	24	42	41	46	482
Rain days≥1mm	11	16	19	13	12	12	18	11	8	13	13	11	157
Wind
Wind avgm/s	4.3	6.5	5.7	5.5	6.2	6.1	6.6	6.0	6.0	4.1	5.9	5.1	5.7
Wind gustsm/s	8.3	9.8	9.6	8.2	8.1	8.3	8.5	8.7	7.3	7.4	9.0	8.5	8.5
Sun & UV
Sunshinehrs/day	9.0	9.6	9.3	9.4	10.9	11.4	10.7	10.1	9.8	9.3	8.7	8.6	9.7
Clear skyindex	64%	68%	52%	53%	59%	64%	55%	65%	63%	61%	58%	63%	60%
UV indexmax avg	6.1	7.3	8.7	9.5	10.1	10.6	10.9	11.5	10.7	8.5	6.1	5.5	8.8

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Lifestyle Calendar · Kailua

Kailua offers a solid outdoor season. 2 months of the year are perfect for all activities. Even dinner outside manages 3/12 months, while walking is comfortable 11/12 months — impressive.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

3/12

Dinner Outside

70Jan: 70% viability

45Feb: 45% viability

49Mar: 49% viability

52Apr: 52% viability

59May: 59% viability

62Jun: 62% viability

43Jul: 43% viability

64Aug: 64% viability

73Sep: 73% viability

74Oct: 74% viability

60Nov: 60% viability

60Dec: 60% viability

3/12

Dinner Outside

70Jan: 70% viability

45Feb: 45% viability

49Mar: 49% viability

52Apr: 52% viability

59May: 59% viability

62Jun: 62% viability

43Jul: 43% viability

64Aug: 64% viability

73Sep: 73% viability

74Oct: 74% viability

60Nov: 60% viability

60Dec: 60% viability

59%

Wind

3/12

Lunch Outside

66Jan: 66% viability

48Feb: 48% viability

52Mar: 52% viability

53Apr: 53% viability

57May: 57% viability

62Jun: 62% viability

48Jul: 48% viability

65Aug: 65% viability

72Sep: 72% viability

57Oct: 57% viability

58Nov: 58% viability

55Dec: 55% viability

3/12

Lunch Outside

66Jan: 66% viability

48Feb: 48% viability

52Mar: 52% viability

53Apr: 53% viability

57May: 57% viability

62Jun: 62% viability

48Jul: 48% viability

65Aug: 65% viability

72Sep: 72% viability

57Oct: 57% viability

58Nov: 58% viability

55Dec: 55% viability

58%

Wind

11/12

Walking

78Jan: 78% viability

71Feb: 71% viability

76Mar: 76% viability

81Apr: 81% viability

85May: 85% viability

87Jun: 87% viability

82Jul: 82% viability

84Aug: 84% viability

86Sep: 86% viability

62Oct: 62% viability

76Nov: 76% viability

77Dec: 77% viability

11/12

Walking

78Jan: 78% viability

71Feb: 71% viability

76Mar: 76% viability

81Apr: 81% viability

85May: 85% viability

87Jun: 87% viability

82Jul: 82% viability

84Aug: 84% viability

86Sep: 86% viability

62Oct: 62% viability

76Nov: 76% viability

77Dec: 77% viability

79%

Humid

11/12

Running

71Jan: 71% viability

69Feb: 69% viability

71Mar: 71% viability

78Apr: 78% viability

81May: 81% viability

84Jun: 84% viability

80Jul: 80% viability

82Aug: 82% viability

79Sep: 79% viability

55Oct: 55% viability

72Nov: 72% viability

72Dec: 72% viability

11/12

Running

71Jan: 71% viability

69Feb: 69% viability

71Mar: 71% viability

78Apr: 78% viability

81May: 81% viability

84Jun: 84% viability

80Jul: 80% viability

82Aug: 82% viability

79Sep: 79% viability

55Oct: 55% viability

72Nov: 72% viability

72Dec: 72% viability

75%

Wind

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Climate

Feels-like °C

Dinner outside

Climate Lab · Kailua

Monthly climate metrics across temperature, precipitation, wind, and UV.

Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	25	24	24	25	26	26	27	27	27	27	26	25	26
Daily mean°C	23	23	23	23	24	25	26	26	26	26	25	24	24
Daily low°C	22	21	21	22	23	24	24	25	25	24	23	22	23
Thermal comfort
High feelsDaily high feels-like°C	30	27	30	29	30	30	29	30	31	33	30	30	30
Mean feelsDaily mean feels-like°C	23	21	22	23	25	27	27	28	28	28	25	24	25
Low feelsDaily low feels-like°C	16	13	14	15	17	19	18	19	20	20	17	16	17
Humidity
HumidityRelative humidity%	74	73	76	71	73	71	73	71	72	74	75	75	73
Dewpoint°C	18.8	17.8	18.3	18.3	18.8	19.6	20.3	20.0	20.4	20.6	20.0	19.5	19.4
Precipitation
Rainfallmm	49	59	56	29	40	29	43	23	24	42	41	46	482
Rain days≥1mm	11	16	19	13	12	12	18	11	8	13	13	11	157
Wind
Wind avgm/s	4.3	6.5	5.7	5.5	6.2	6.1	6.6	6.0	6.0	4.1	5.9	5.1	5.7
Wind gustsm/s	8.3	9.8	9.6	8.2	8.1	8.3	8.5	8.7	7.3	7.4	9.0	8.5	8.5
Sun & UV
Sunshinehrs/day	9.0	9.6	9.3	9.4	10.9	11.4	10.7	10.1	9.8	9.3	8.7	8.6	9.7
Clear skyindex	64%	68%	52%	53%	59%	64%	55%	65%	63%	61%	58%	63%	60%
UV indexmax avg	6.1	7.3	8.7	9.5	10.1	10.6	10.9	11.5	10.7	8.5	6.1	5.5	8.8

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Lifestyle Calendar · Kailua

Kailua offers a solid outdoor season. 2 months of the year are perfect for all activities. Even dinner outside manages 3/12 months, while walking is comfortable 11/12 months — impressive.

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

3/12

Dinner Outside

70Jan: 70% viability

45Feb: 45% viability

49Mar: 49% viability

52Apr: 52% viability

59May: 59% viability

62Jun: 62% viability

43Jul: 43% viability

64Aug: 64% viability

73Sep: 73% viability

74Oct: 74% viability

60Nov: 60% viability

60Dec: 60% viability

3/12

Dinner Outside

70Jan: 70% viability

45Feb: 45% viability

49Mar: 49% viability

52Apr: 52% viability

59May: 59% viability

62Jun: 62% viability

43Jul: 43% viability

64Aug: 64% viability

73Sep: 73% viability

74Oct: 74% viability

60Nov: 60% viability

60Dec: 60% viability

59%

Wind

3/12

Lunch Outside

66Jan: 66% viability

48Feb: 48% viability

52Mar: 52% viability

53Apr: 53% viability

57May: 57% viability

62Jun: 62% viability

48Jul: 48% viability

65Aug: 65% viability

72Sep: 72% viability

57Oct: 57% viability

58Nov: 58% viability

55Dec: 55% viability

3/12

Lunch Outside

66Jan: 66% viability

48Feb: 48% viability

52Mar: 52% viability

53Apr: 53% viability

57May: 57% viability

62Jun: 62% viability

48Jul: 48% viability

65Aug: 65% viability

72Sep: 72% viability

57Oct: 57% viability

58Nov: 58% viability

55Dec: 55% viability

58%

Wind

11/12

Walking

78Jan: 78% viability

71Feb: 71% viability

76Mar: 76% viability

81Apr: 81% viability

85May: 85% viability

87Jun: 87% viability

82Jul: 82% viability

84Aug: 84% viability

86Sep: 86% viability

62Oct: 62% viability

76Nov: 76% viability

77Dec: 77% viability

11/12

Walking

78Jan: 78% viability

71Feb: 71% viability

76Mar: 76% viability

81Apr: 81% viability

85May: 85% viability

87Jun: 87% viability

82Jul: 82% viability

84Aug: 84% viability

86Sep: 86% viability

62Oct: 62% viability

76Nov: 76% viability

77Dec: 77% viability

79%

Humid

11/12

Running

71Jan: 71% viability

69Feb: 69% viability

71Mar: 71% viability

78Apr: 78% viability

81May: 81% viability

84Jun: 84% viability

80Jul: 80% viability

82Aug: 82% viability

79Sep: 79% viability

55Oct: 55% viability

72Nov: 72% viability

72Dec: 72% viability

11/12

Running

71Jan: 71% viability

69Feb: 69% viability

71Mar: 71% viability

78Apr: 78% viability

81May: 81% viability

84Jun: 84% viability

80Jul: 80% viability

82Aug: 82% viability

79Sep: 79% viability

55Oct: 55% viability

72Nov: 72% viability

72Dec: 72% viability

75%

Wind

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Kailua · United States

Climate

Climate Lab · Kailua

Lifestyle Calendar · Kailua

Climate

Climate Lab · Kailua

Lifestyle Calendar · Kailua

Air Quality Profile

Air Quality Profile

Who thrives in Kailua

Frequently asked about Kailua

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