Climate Buli Heliport 2020-2024

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

Calculated from historical METAR data of Paro International Airport (VQPR) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	92.0	96	97	87	99	90
February	83.0	91	90	84	100	78
March	84.2	88	84	91	80	91
April	80.7		81	79	86	84
May	84.2		92	87	81	80
June	80.6		84	72	76	77
July	73.5		73	74	74	64
August	75.1		65	77	71	76
September	75.7		75	73	79	69
October	84.7		83	80	75	88
November	95.5		96	98	93	93
December	93.4		94	93	89	99
Average	84.2	91.4	84.6	82.2	80.4	81.4

1st best VFR conditions of Bhutan

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	97.4	99	100	98	100	96
February	91.7	98	99	91	100	87
March	96.8	98	99	97	97	99
April	96.3		99	95	99	97
May	96.8		100	99	95	93
June	94.5		95	94	94	94
July	92.9		96	96	94	87
August	95.3		94	95	96	94
September	93.8		92	94	95	90
October	96.3		97	94	94	96
November	98.3		99	100	98	95
December	97.4		100	100	95	100
Average	95.9	98.6	97.1	95.7	95.6	93.8

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	14.5	15	18	14	15	14
February	14.5	16	17	12	0	15
March	18.2	19	19	20	19	19
April	21.1		21	24	22	21
May	23.3		24	24	23	23
June	26.3		27	25	27	25
July	26.3		27	27	26	25
August	26.8		27	28	26	28
September	25.5		26	25	26	25
October	23.2		23	22	24	25
November	20.2		21	21	19	19
December	16.5		17	18	16	16
Average	20.9	16.5	22.2	21.7	22.0	20.9

1st highest temperature of Bhutan

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	-1.2	-1	-2	0	5	-2
February	0.9	-1	3	-1	0	0
March	4.9	4	4	5	6	4
April	8.4		7	10	5	9
May	12.2		9	12	13	13
June	16.3		15	16	16	17
July	17.2		17	17	16	19
August	16.7		17	16	17	18
September	15.4		15	15	15	16
October	9.5		9	8	11	12
November	2.5		2	1	5	2
December	-1.9		0	2	0	3
Average	7.9	0.9	8.0	8.6	10.0	8.9

1st lowest temperature of Bhutan

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	1.8	1	0	5	0	1
February	4.3	3	0	7	0	4
March	2.8	6	6	1	1	3
April	2.7		1	2	2	5
May	7.1		3	7	11	11
June	7.9		7	11	10	12
July	14.1		12	9	12	22
August	9.3		14	10	5	7
September	12.3		15	14	13	14
October	5.3		7	7	10	4
November	0.1		0	0	0	1
December	1.7		0	0	6	0
Average	5.9	3.3	6.0	6.4	6.9	7.5

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	6.2	7	6	6	5	7
February	6.7	8	8	7	2	6
March	6.9	8	8	6	8	8
April	7.3		9	8	8	8
May	7.1		8	7	7	7
June	6.7		7	6	7	6
July	5.7		6	6	6	6
August	5.6		6	6	5	6
September	5.4		6	6	6	5
October	6.1		6	6	6	7
November	6.2		7	6	7	6
December	5.6		6	6	6	5
Average	6.3	7.7	6.7	6.3	6.3	6.5

1st highest wind speed of Bhutan

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	159°	160°	154°	151°	140°
February	156°	158°	157°	360°	147°
March	157°	153°	154°	139°	145°
April		152°	151°	141°	141°
May		154°	149°	133°	139°
June		152°	157°	138°	137°
July		112°	141°	138°	137°
August		149°	153°	137°	145°
September		153°	149°	141°	142°
October		158°	162°	142°	146°
November		161°	164°	148°	146°
December		161°	165°	143°	146°

Prevailing wind direction

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