Climate Jacarepaguá - Roberto Marinho Airport 2020-2024

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

Calculated from historical METAR data of Jacarepaguá - Roberto Marinho Airport (SBJR) between 2020 and 2024.

VFR conditions (%)

Month	Average	2024	2023	2022	2021	2020
January	88.8	80	79	83	96	90
February	91.6	92	98	89	92	80
March	91.6	82	96	96	96	89
April	90.2		87	86	93	93
May	88.4		84	97	86	89
June	85.0		92	71	85	90
July	85.5		85	86	90	83
August	79.7		69	79	85	91
September	79.6		91	71	80	73
October	79.5		67	85	67	85
November	82.5		86	84	84	83
December	87.6		94	83	91	80
Average	85.9	84.3	85.5	84.3	87.0	85.2

41st best VFR conditions of Brazil

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	95.0	91	89	92	99	97
February	97.1	98	99	98	98	87
March	96.7	90	100	100	99	95
April	96.7		95	96	98	99
May	96.6		92	99	97	100
June	95.0		99	89	97	98
July	95.1		95	96	96	91
August	91.2		88	92	97	95
September	92.7		99	86	94	94
October	92.9		92	97	85	96
November	91.4		96	92	89	93
December	95.3		98	97	98	91
Average	94.5	92.7	95.2	94.2	95.4	94.2

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	33.6	34	34	32	36	32
February	32.7	34	36	31	33	31
March	32.5	33	35	34	35	30
April	30.0		32	29	31	29
May	26.7		19	28	30	27
June	28.0		30	27	29	28
July	28.0		29	32	27	28
August	27.7		30	29	30	27
September	29.4		33	29	30	30
October	29.7		31	32	29	29
November	29.9		33	31	30	28
December	31.0		34	33	26	32
Average	30.3	33.6	31.1	30.3	30.3	29.1

32nd highest temperature of Brazil

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	25.2	25	24	26	28	25
February	24.5	25	25	25	24	24
March	24.3	24	24	26	25	23
April	22.0		22	23	22	22
May	18.4		12	20	20	19
June	18.2		18	18	18	18
July	17.3		17	19	16	20
August	18.1		20	19	19	19
September	20.5		22	19	21	23
October	22.1		22	23	22	23
November	22.3		24	21	23	23
December	23.4		25	23	19	26
Average	21.7	24.6	21.0	21.7	21.2	21.8

70th lowest temperature of Brazil

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	6.9	10	14	12	2	8
February	6.4	5	2	6	3	16
March	4.5	8	1	1	2	8
April	5.1		7	5	3	3
May	4.4		7	2	6	2
June	5.1		1	10	5	3
July	4.6		5	3	3	10
August	8.2		11	9	3	6
September	6.7		2	15	2	6
October	8.0		11	5	11	6
November	9.1		2	11	11	7
December	8.5		5	11	9	12
Average	6.6	7.5	5.7	7.4	5.1	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	4.6	4	5	5	6	5
February	4.5	4	5	5	5	4
March	4.6	4	5	5	5	5
April	4.2		4	4	4	4
May	3.8		4	4	4	4
June	3.8		4	4	4	4
July	4.2		4	4	4	5
August	4.4		4	5	5	5
September	4.8		5	5	5	5
October	4.8		5	5	5	5
November	4.7		5	5	5	5
December	4.8		5	5	5	5
Average	4.4	4.3	4.4	4.5	4.7	4.6

32nd highest wind speed of Brazil

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	176°	174°	155°	144°	166°
February	173°	167°	165°	154°	166°
March	177°	164°	151°	163°	155°
April		172°	169°	171°	166°
May		160°	192°	157°	156°
June		113°	323°	159°	057°
July		100°	065°	166°	079°
August		144°	106°	122°	155°
September		124°	319°	158°	140°
October		145°	160°	139°	161°
November		168°	172°	161°	163°
December		162°	156°	167°	168°

Prevailing wind direction

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