Weather archive in Juan Santamaria (airport)

To receive explanations, hover over the appropriate heading

Date / Local time		T	Po	P	Pa	U	DD	Ff	ff10	ff3	N	WW	W1	W2	Tn	Tx	Cl	Nh	H	Cm	Ch	VV	Td	RRR	tR	E	Tg	E'	sss
2026 August 8, Saturday	21	24.1 75	683.7 26.92 911.53 911.53	756.5 29.78 1008.58 1008.58	0.6 0.02 0.8 0.8	73	Wind blowing from the east	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	40%. 4/10. 3 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	20.0 12.4	19.0 66			Dry (without cracks, no appreciable amount of dust or loose sand)
	20	24.1 75	682.7 26.88 910.19 910.19			75	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)		10 m/s 36 km/h 22 mph 19 knots 5 Bft													19.3 67	No precipitation No precipitation	1
	19	23.9 75	682.4 26.87 909.79 909.79			75	Wind blowing from the east-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)		7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft													19.2 67	No precipitation No precipitation	1
	18	24.5 76	683.1 26.89 910.73 910.73	756.3 29.78 1008.32 1008.32	0.6 0.02 0.8 0.8	71	Wind blowing from the east	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				22.1 72	30.3 87	Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	Altocumulus translucidus at a single level.	Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.	20.0 12.4	18.8 66			Dry (without cracks, no appreciable amount of dust or loose sand)
	17	27.1 81	682.1 26.85 909.39 909.39			60	Wind blowing from the east-northeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)		8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft													18.6 65	No precipitation No precipitation	1
	16	28.7 84	681.9 26.85 909.13 909.13			55	Wind blowing from the east-northeast	Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft)		12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft													18.8 66	No precipitation No precipitation	1
	15	29.0 84	682.5 26.87 909.93 909.93	755.1 29.73 1006.72 1006.72	-1.2 -0.05 -1.6 -1.6	53	Wind blowing from the east-northeast	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	18.4 65			Dry (without cracks, no appreciable amount of dust or loose sand)
	14	29.0 84	682.3 26.86 909.66 909.66			55	Wind blowing from the east-northeast	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)		13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft													19.1 66	No precipitation No precipitation	1
	13	28.9 84	682.8 26.88 910.33 910.33			55	Wind blowing from the east-northeast	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)		13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft													19.1 66	No precipitation No precipitation	1
	12	28.8 84	683.7 26.92 911.53 911.53	756.4 29.78 1008.45 1008.45	-0.8 -0.03 -1.07 -1.07	55	Wind blowing from the east-northeast	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			20–30%. 2/10–3/10. 2 oktas				22.1 72	29.8 86	Stratocumulus other than Stratocumulus cumulogenitus.	20–30%. 2/10–3/10. 2 oktas	1000-1500 3281-4921	No Altocumulus, Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	18.8 66			Dry (without cracks, no appreciable amount of dust or loose sand)
	11	28.4 83	683.5 26.91 911.26 911.26			52	Wind blowing from the east	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)		15 m/s 54 km/h 34 mph 29 knots 7 Bft													17.6 64	No precipitation No precipitation	1
	10	27.7 82	683.8 26.92 911.66 911.66			55	Wind blowing from the east-northeast	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)		12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft													17.8 64	No precipitation No precipitation	1
	09	27.1 81	684.5 26.95 912.59 912.59	757.6 29.83 1010.05 1010.05	1.0 0.04 1.33 1.33	59	Wind blowing from the east	Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	18.5 65			Dry (without cracks, no appreciable amount of dust or loose sand)
	08	25.4 78	683.8 26.92 911.66 911.66			67	Wind blowing from the east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)		11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft													18.9 66	No precipitation No precipitation	1
	07	23.5 74	683.4 26.91 911.13 911.13			74	Wind blowing from the east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)		10 m/s 36 km/h 22 mph 19 knots 5 Bft													18.6 65	No precipitation No precipitation	1
	06	23.3 74	683.5 26.91 911.26 911.26	756.8 29.8 1008.98 1008.98	0.9 0.04 1.2 1.2	70	Wind blowing from the east	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				22.1 72		Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	Altocumulus translucidus in bands, or one or more layers of Altocumulus translucidus or opacus, progressively invading the sky; these Altocumulus clouds generally thicken as a whole.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	17.6 64			Dry (without cracks, no appreciable amount of dust or loose sand)
	05	23.9 75	682.6 26.87 910.06 910.06			66	Wind blowing from the east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)		9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft													17.2 63	No precipitation No precipitation	1
	04	23.6 74	682.3 26.86 909.66 909.66			69	Wind blowing from the east	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)		8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft													17.5 64	No precipitation No precipitation	1
	03	23.3 74	682.6 26.87 910.06 910.06	755.4 29.74 1007.12 1007.12	-1.2 -0.05 -1.6 -1.6	69	Wind blowing from the east-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	17.2 63			Dry (without cracks, no appreciable amount of dust or loose sand)
	02	23.2 74	682.6 26.87 910.06 910.06			70	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)		8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft													17.3 63	No precipitation No precipitation	1
	01	23.7 75	682.9 26.89 910.46 910.46			66	Wind blowing from the east-southeast	Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft)		8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft													16.9 62	No precipitation No precipitation	1
	00	23.5 74	683.8 26.92 911.66 911.66	756.8 29.8 1008.98 1008.98	0.0 0 0 0	65	Wind blowing from the east	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)			90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas				21.8 71	28.3 83	Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	600-1000 1968-3281	Altocumulus translucidus at a single level.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	16.4 62			Dry (without cracks, no appreciable amount of dust or loose sand)
August 7, Friday	23	23.5 74	683.7 26.92 911.53 911.53			66	Wind blowing from the east-southeast	Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft)		9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft													16.7 62	No precipitation No precipitation	1
	22	23.4 74	683.6 26.91 911.39 911.39			67	Wind blowing from the east-southeast	Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft)		10 m/s 36 km/h 22 mph 19 knots 5 Bft													16.8 62	No precipitation No precipitation	1
	21	23.1 74	683.8 26.92 911.66 911.66	757.1 29.81 1009.38 1009.38	0.4 0.02 0.53 0.53	69	Wind blowing from the east-southeast	Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft)			70 – 80%. 7/10 – 8/10. 6 oktas						Stratocumulus other than Stratocumulus cumulogenitus.	10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0	1000-1500 3281-4921	Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.	No Cirrus, Cirrocumulus or Cirrostratus.	20.0 12.4	17.0 63			Dry (without cracks, no appreciable amount of dust or loose sand)