How many sunny days does Honiara have per year?

Honiara averages approximately 197 sunny days per year, based on historical climate data.

What is the air quality in Honiara?

Honiara has an annual PM2.5 concentration of 6.3 µg/m³, classified as "Good" by WHO standards. Within WHO interim target 4. Low health risk for most people.

Honiara

Honiara · Solomon Islands

The capital and largest city of Solomon Islands.

Small city

137K

39 km²

49m

15:06 UTC+11

SBD

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Honiara, Solomon Islands is a 137K-resident city with 197 sunny days and 0 frost days annually and an annual PM2.5 of 6.3 µg/m³. The capital and largest city of Solomon Islands.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Honiara

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

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Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	28	27	27	27	27	27	27	27	27	27	27	27	27
Daily mean°C	26	26	25	26	26	26	26	25	25	25	26	26	26
Daily low°C	24	24	24	24	25	24	24	24	24	24	24	24	24
Thermal comfort
High feelsDaily high feels-like°C	35	35	35	35	35	34	34	33	34	35	35	35	34
Mean feelsDaily mean feels-like°C	30	29	31	31	31	30	30	30	30	32	32	31	30
Low feelsDaily low feels-like°C	25	24	25	25	26	25	24	24	24	26	26	26	25
Humidity
HumidityRelative humidity%	87	88	87	87	87	86	86	85	85	86	86	87	86
Dewpoint°C	23.3	23.2	22.9	23.0	23.4	23.0	22.8	22.3	22.6	22.7	22.9	23.2	22.9
Precipitation
Rainfallmm	437	360	386	298	190	120	103	159	177	161	295	314	2998
Rain days≥1mm	30	28	29	27	27	25	22	26	25	25	28	28	320
Wind
Wind avgm/s	2.3	3.1	1.9	2.1	2.5	3.0	3.4	3.5	3.6	2.2	2.4	2.0	2.7
Wind gustsm/s	5.1	5.8	4.1	4.0	4.6	4.9	5.5	5.6	5.8	4.6	4.5	3.8	4.8
Sun & UV
Sunshinehrs/day	8.0	7.9	8.0	8.9	9.1	9.0	8.6	9.0	9.0	9.8	9.9	9.7	8.9
Clear skyindex	19%	23%	26%	31%	33%	37%	34%	41%	34%	38%	35%	31%	32%
UV indexmax avg	10.5	10.6	11.3	9.8	8.1	7.5	7.3	8.4	10.7	11.5	10.6	10.5	9.7

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

Confidence: High

Lifestyle Calendar·Honiara

Outdoor activities in Honiara are challenging most of the year. December through May are the toughest stretch. Dinner outside works 6/12 months, while even walking manages 1/12 months.

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

6/12

Dinner Outside

57Jan: 57% viability

56Feb: 56% viability

59Mar: 59% viability

62Apr: 62% viability

60May: 60% viability

66Jun: 66% viability

68Jul: 68% viability

71Aug: 71% viability

70Sep: 70% viability

68Oct: 68% viability

65Nov: 65% viability

60Dec: 60% viability

6/12

Dinner Outside

57Jan: 57% viability

56Feb: 56% viability

59Mar: 59% viability

62Apr: 62% viability

60May: 60% viability

66Jun: 66% viability

68Jul: 68% viability

71Aug: 71% viability

70Sep: 70% viability

68Oct: 68% viability

65Nov: 65% viability

60Dec: 60% viability

64%

Humid

0/12

Lunch Outside

14Jan: 14% viability

11Feb: 11% viability

14Mar: 14% viability

19Apr: 19% viability

16May: 16% viability

21Jun: 21% viability

22Jul: 22% viability

20Aug: 20% viability

24Sep: 24% viability

19Oct: 19% viability

18Nov: 18% viability

16Dec: 16% viability

0/12

Lunch Outside

14Jan: 14% viability

11Feb: 11% viability

14Mar: 14% viability

19Apr: 19% viability

16May: 16% viability

21Jun: 21% viability

22Jul: 22% viability

20Aug: 20% viability

24Sep: 24% viability

19Oct: 19% viability

18Nov: 18% viability

16Dec: 16% viability

18%

Rain

1/12

Walking

36Jan: 36% viability

45Feb: 45% viability

37Mar: 37% viability

34Apr: 34% viability

39May: 39% viability

55Jun: 55% viability

61Jul: 61% viability

73Aug: 73% viability

58Sep: 58% viability

36Oct: 36% viability

31Nov: 31% viability

29Dec: 29% viability

1/12

Walking

36Jan: 36% viability

45Feb: 45% viability

37Mar: 37% viability

34Apr: 34% viability

39May: 39% viability

55Jun: 55% viability

61Jul: 61% viability

73Aug: 73% viability

58Sep: 58% viability

36Oct: 36% viability

31Nov: 31% viability

29Dec: 29% viability

45%

Rain

0/12

Running

15Jan: 15% viability

23Feb: 23% viability

15Mar: 15% viability

12Apr: 12% viability

12May: 12% viability

16Jun: 16% viability

22Jul: 22% viability

29Aug: 29% viability

23Sep: 23% viability

7Oct: 7% viability

7Nov: 7% viability

10Dec: 10% viability

0/12

Running

15Jan: 15% viability

23Feb: 23% viability

15Mar: 15% viability

12Apr: 12% viability

12May: 12% viability

16Jun: 16% viability

22Jul: 22% viability

29Aug: 29% viability

23Sep: 23% viability

7Oct: 7% viability

7Nov: 7% viability

10Dec: 10% viability

16%

Rain

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

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

Confidence: High

Honiara · Solomon Islands

Climate

Climate Lab·Honiara

Lifestyle Calendar·Honiara

Air Quality Profile

Air Quality Profile

Who thrives in Honiara

Frequently asked about Honiara