Climate Honiara International Airport 2020-2024

Climate and trends: average temperature, flight conditions, precipitation, wind speed and direction.

Calculated from historical METAR data of Honiara International Airport (AGGH) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	80.2	90	88	94	92	97
February	80.5	97	94	98	90	91
March	82.6	91	96	90	98	93
April	94.6		95	92	94	93
May	96.4		93	96	99	95
June	96.2		97	97	96	98
July	96.0		92	100	98	98
August	95.4		95	95	95	96
September	95.0		96	96	97	92
October	95.6		93	96	98	95
November	92.9		89	91	93	95
December	90.5		74	92	90	97
Average	91.2	92.4	92.4	94.7	94.9	95.0

1st best VFR conditions of Solomon Islands

VFR conditions during daylight period

Percentage of observations where the VFR minimums for ceiling and visibility are met: visibility of 8 km or more and a ceiling of 3,000 ft or more. Only observations between sunrise and sunset are taken into account.

Marginal VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	84.9	96	98	98	96	98
February	84.8	99	98	100	97	97
March	85.8	99	98	93	98	96
April	97.4		100	97	96	97
May	98.8		98	100	100	97
June	98.9		100	99	99	99
July	99.1		100	100	100	99
August	98.7		99	99	99	99
September	98.7		99	98	98	98
October	99.0		99	100	100	98
November	97.9		98	98	98	99
December	97.6		98	97	96	99
Average	95.3	98.3	98.6	98.2	97.9	97.8

Marginal VFR conditions or better during daylight period

Percentage of observations where the MVFR minimums for ceiling and visibility are met: visibility of 5 km or more and a ceiling of 1,000 ft or more. Only observations between sunrise and sunset are taken into account.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	31.6	31	32	31	32	32
February	31.2	31	32	31	31	32
March	31.4	31	32	31	32	32
April	31.8		33	31	32	33
May	31.8		32	32	32	32
June	31.5		32	32	32	32
July	31.7		31	32	33	32
August	31.3		31	32	32	32
September	31.6		31	31	33	32
October	31.6		31	32	32	32
November	31.4		31	31	32	32
December	31.2		31	32	31	32
Average	31.5	31.1	31.4	31.5	31.8	32.0

1st highest temperature of Solomon Islands

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	23.4	25	23	24	24	23
February	23.6	24	23	23	23	24
March	21.8	23	24	13	23	24
April	22.8		23	24	24	21
May	22.7		22	22	22	23
June	22.5		24	22	23	22
July	22.1		23	23	22	22
August	22.1		24	21	23	23
September	22.5		24	21	22	22
October	22.8		24	23	23	22
November	23.1		25	23	22	23
December	23.6		25	23	24	24
Average	22.9	24.3	23.5	21.7	22.7	22.7

1st lowest temperature of Solomon Islands

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	7.3	15	9	7	10	3
February	9.0	8	7	8	15	11
March	6.7	8	7	7	4	8
April	4.5		4	7	6	4
May	3.0		7	2	2	3
June	3.6		2	3	3	2
July	4.6		14	0	1	5
August	5.0		6	7	5	6
September	4.5		6	4	4	8
October	3.5		6	3	4	6
November	5.8		10	7	7	7
December	6.8		11	2	12	5
Average	6.0	10.1	7.2	4.7	5.8	5.5

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (knots)

Month	Average	2024	2023	2022	2021	2020
January	6.7	6	6	8	6	8
February	7.5	8	6	7	8	8
March	6.0	7	7	5	6	6
April	5.7		6	6	6	6
May	6.8		7	6	7	7
June	7.3		7	7	8	8
July	8.2		8	9	10	8
August	8.1		7	9	9	8
September	8.8		9	8	10	9
October	7.5		8	7	8	7
November	6.4		7	6	7	6
December	5.9		7	6	6	6
Average	7.1	7.1	6.9	7.0	7.3	7.1

1st highest wind speed of Solomon Islands

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	329°	346°	312°	348°	355°
February	294°	353°	315°	300°	298°
March	343°	319°	348°	025°	343°
April		028°	037°	030°	014°
May		067°	041°	068°	065°
June		061°	077°	075°	068°
July		084°	079°	088°	087°
August		069°	080°	078°	073°
September		077°	068°	083°	084°
October		062°	029°	041°	068°
November		072°	002°	060°	049°
December		039°	020°	344°	014°

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.