Climate Peleliu Airport 2020-2024

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

Calculated from historical METAR data of Palau International Airport (PTRO) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	50.6	50	49	39	50	71
February	50.1	52	57	32	45	56
March	57.3	63	63	32	63	66
April	57.4		78	33	49	64
May	44.6		55	27	30	52
June	51.1		40	55	60	56
July	45.0		46	40	47	62
August	47.9		42	55	49	49
September	55.7		50	61	44	67
October	50.3		49	49	41	45
November	55.5		57	55	40	55
December	47.5		64	48	31	37
Average	51.6	54.8	53.8	43.3	45.5	56.8

1st best VFR conditions of Palau

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	99.3	98	98	100	100	100
February	98.9	97	100	100	99	98
March	99.6	100	100	99	100	100
April	98.8		100	98	95	99
May	98.5		97	99	98	97
June	99.3		98	100	100	100
July	98.7		96	99	100	99
August	98.9		99	98	99	97
September	99.2		99	100	97	100
October	99.1		99	98	99	99
November	99.3		99	99	99	100
December	99.0		99	98	100	100
Average	99.0	98.3	98.5	98.9	98.7	99.0

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	29.3	30	28	30	30	30
February	29.3	30	28	29	30	30
March	29.6	30	29	29	30	30
April	29.8		30	28	30	31
May	29.7		30	28	30	30
June	29.5		29	29	30	30
July	29.4		30	28	30	30
August	29.8		30	29	30	32
September	30.1		30	30	30	31
October	30.0		31	29	30	30
November	30.1		31	29	30	31
December	29.5		31	28	30	30
Average	29.7	30.0	29.6	28.8	29.7	30.2

1st highest temperature of Palau

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	24.3	25	23	25	25	24
February	24.2	24	23	25	25	24
March	24.3	25	23	25	25	24
April	24.2		24	24	25	24
May	24.1		23	23	25	25
June	23.8		24	23	23	25
July	23.7		25	23	25	23
August	23.7		25	23	24	24
September	24.3		25	24	24	24
October	24.3		24	24	24	25
November	23.9		24	24	25	24
December	24.3		26	24	25	25
Average	24.2	24.8	24.0	23.8	24.5	24.2

1st lowest temperature of Palau

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	10.4	15	19	12	8	2
February	12.6	17	13	12	13	12
March	9.0	10	11	13	13	5
April	10.8		7	21	19	9
May	13.0		12	21	21	9
June	11.8		19	9	13	9
July	15.5		29	17	10	6
August	14.0		17	20	12	13
September	9.6		12	9	15	7
October	12.2		14	16	18	15
November	9.3		9	17	7	6
December	12.5		10	18	18	11
Average	11.7	13.9	14.3	15.2	13.8	8.4

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	8.2	9	7	8	8	9
February	8.9	10	9	10	8	10
March	8.5	9	7	8	8	10
April	7.9		6	7	10	8
May	6.6		7	7	7	7
June	5.7		6	6	5	6
July	6.6		8	5	7	6
August	6.9		8	5	5	6
September	7.3		9	6	6	5
October	6.9		7	7	7	6
November	6.9		7	7	7	7
December	7.9		9	8	8	7
Average	7.6	9.4	7.6	6.9	7.1	7.2

1st highest wind speed of Palau

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	052°	085°	060°	067°	061°
February	053°	063°	052°	075°	049°
March	052°	068°	075°	067°	057°
April		064°	216°	225°	062°
May		248°	079°	087°	086°
June		225°	107°	130°	088°
July		231°	166°	194°	097°
August		241°	118°	195°	248°
September		249°	174°	182°	143°
October		256°	180°	224°	226°
November		062°	076°	080°	085°
December		065°	068°	040°	079°

Prevailing wind direction

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