Weather archive in St. Athan (airport)
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| 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 | |
| 2025 December 8, Monday | 13 | 12.1 54 | 750.5 29.55 1000.58 1000.58 | 754.9 29.72 1006.45 1006.45 | -0.2 -0.01 -0.27 -0.27 | 82 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 45.0 28.0 | 9.0 48 | ||||||||||||||||
12 | 12.3 54 | 750.5 29.55 1000.58 1000.58 | 754.9 29.72 1006.45 1006.45 | 0.2 0.01 0.27 0.27 | 81 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 40.0 24.9 | 9.1 48 | 0.6 0.02 | 6 | |||||||||||||||
11 | 12.1 54 | 750.9 29.56 1001.12 1001.12 | 755.3 29.74 1006.98 1006.98 | 1.4 0.06 1.87 1.87 | 80 | Wind blowing from the south-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 50%. 5/10. 4 oktas | 50%. 5/10. 4 oktas | 2500 or more, or no clouds. 8202 or more, or no clouds. | 40.0 24.9 | 8.8 48 | |||||||||||||||||
10 | 11.9 53 | 750.7 29.56 1000.85 1000.85 | 755.0 29.72 1006.58 1006.58 | 1.5 0.06 2 2 | 85 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain (not freezing). | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 25.0 15.5 | 9.5 49 | ||||||||||||||||
09 | 12.0 54 | 750.3 29.54 1000.32 1000.32 | 754.7 29.71 1006.18 1006.18 | 1.6 0.06 2.13 2.13 | 87 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 9.9 50 | 12.6 55 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 9.8 50 | No precipitation No precipitation | 12 | |||||||||||||
08 | 12.2 54 | 749.5 29.51 999.25 999.25 | 753.9 29.68 1005.12 1005.12 | 0.9 0.04 1.2 1.2 | 81 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 40.0 24.9 | 9.0 48 | |||||||||||||||||
07 | 12.2 54 | 749.2 29.5 998.85 998.85 | 753.6 29.67 1004.72 1004.72 | 0.4 0.02 0.53 0.53 | 80 | Wind blowing from the west-southwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain (not freezing). | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 35.0 21.8 | 8.9 48 | ||||||||||||||||
06 | 12.4 54 | 748.7 29.48 998.18 998.18 | 753.1 29.65 1004.05 1004.05 | -0.2 -0.01 -0.27 -0.27 | 82 | Wind blowing from the south-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 9.9 50 | 12.6 55 | 100%. 10/10. 8 oktas | 1500-2000 4921-6562 | 28.0 17.4 | 9.3 49 | 0.6 0.02 | 12 | ||||||||||||
05 | 12.5 55 | 748.6 29.47 998.05 998.05 | 753.0 29.65 1003.92 1003.92 | -0.1 -0 -0.13 -0.13 | 83 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 23.0 14.3 | 9.6 49 | |||||||||||||||||
04 | 11.6 53 | 748.8 29.48 998.32 998.32 | 753.2 29.65 1004.18 1004.18 | -0.1 -0 -0.13 -0.13 | 87 | Wind blowing from the south-southwest | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 20.0 12.4 | 9.5 49 | |||||||||||||||||
03 | 10.2 50 | 748.9 29.48 998.45 998.45 | 753.3 29.66 1004.32 1004.32 | -0.1 -0 -0.13 -0.13 | 89 | Wind blowing from the south | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 16.0 9.9 | 8.5 47 | |||||||||||||||||
02 | 11.6 53 | 748.7 29.48 998.18 998.18 | 753.1 29.65 1004.05 1004.05 | -0.2 -0.01 -0.27 -0.27 | 85 | Wind blowing from the south-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 300-600 984-1968 | 18.0 11.2 | 9.1 48 | |||||||||||||||||
01 | 11.0 52 | 748.9 29.48 998.45 998.45 | 753.3 29.66 1004.32 1004.32 | 0.2 0.01 0.27 0.27 | 86 | Wind blowing from the south-west | 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 | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 300-600 984-1968 | 18.0 11.2 | 8.7 48 | |||||||||||||||||
00 | 11.4 53 | 749.0 29.49 998.58 998.58 | 753.4 29.66 1004.45 1004.45 | 0.7 0.03 0.93 0.93 | 88 | Wind blowing from the south-west | Light breeze (3 m/s) (11 km/h) (7 miles/hour) (6 knots) (2 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 13.0 8.1 | 9.5 49 | 0.6 0.02 | 6 | |||||||||||||||
| December 7, Sunday | 23 | 10.8 51 | 748.9 29.48 998.45 998.45 | 753.4 29.66 1004.45 1004.45 | 1.1 0.04 1.47 1.47 | 89 | Wind blowing from the west-southwest | 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 | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 300-600 984-1968 | 11.0 6.8 | 9.1 48 | ||||||||||||||||
22 | 11.3 52 | 748.7 29.48 998.18 998.18 | 753.1 29.65 1004.05 1004.05 | 1.3 0.05 1.73 1.73 | 92 | Wind blowing from the west-southwest | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 300-600 984-1968 | 10.0 6.2 | 10.0 50 | |||||||||||||||||
21 | 11.6 53 | 748.3 29.46 997.65 997.65 | 752.7 29.63 1003.52 1003.52 | 1.5 0.06 2 2 | 94 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | Rain (not freezing). | 11.1 52 | 14.8 59 | 100%. 10/10. 8 oktas | 300-600 984-1968 | 11.0 6.8 | 10.6 51 | 4.0 0.16 | 12 | ||||||||||||
20 | 11.2 52 | 747.8 29.44 996.98 996.98 | 752.2 29.61 1002.85 1002.85 | 1.9 0.07 2.53 2.53 | 93 | Wind blowing from the west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 100%. 10/10. 8 oktas | Rain, not freezing, slight. | 100%. 10/10. 8 oktas | 200-300 656-984 | 13.0 8.1 | 10.1 50 | ||||||||||||||||
19 | 11.4 53 | 747.4 29.43 996.45 996.45 | 751.9 29.6 1002.45 1002.45 | 2.9 0.11 3.87 3.87 | 87 | Wind blowing from the west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 300-600 984-1968 | 16.0 9.9 | 9.3 49 | |||||||||||||||||
18 | 11.6 53 | 746.8 29.4 995.65 995.65 | 751.2 29.57 1001.52 1001.52 | 3.9 0.15 5.2 5.2 | 86 | Wind blowing from the west | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 100%. 10/10. 8 oktas | 10.4 51 | 14.8 59 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 14.0 8.7 | 9.4 49 | 4.0 0.16 | 12 | |||||||||||||
17 | 11.8 53 | 745.9 29.37 994.45 994.45 | 750.2 29.54 1000.18 1000.18 | 4.1 0.16 5.47 5.47 | 85 | Wind blowing from the west | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 300-600 984-1968 | 14.0 8.7 | 9.4 49 | |||||||||||||||||
16 | 12.1 54 | 744.5 29.31 992.59 992.59 | 748.9 29.48 998.45 998.45 | 3.1 0.12 4.13 4.13 | 88 | Wind blowing from the west-southwest | Fresh breeze (10 m/s) (36 km/h) (22 mph) (19 knots) (5 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 300-600 984-1968 | 11.0 6.8 | 10.1 50 | |||||||||||||||||
15 | 12.6 55 | 742.9 29.25 990.45 990.45 | 747.2 29.42 996.18 996.18 | 1.2 0.05 1.6 1.6 | 91 | Wind blowing from the west-southwest | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 200-300 656-984 | 15.0 9.3 | 11.2 52 | |||||||||||||||||
14 | 14.3 58 | 741.8 29.2 988.99 988.99 | 746.2 29.38 994.85 994.85 | -0.5 -0.02 -0.67 -0.67 | 85 | Wind blowing from the west-southwest | Strong breeze (11 m/s) (40 km/h) (25 miles/hour) (21 mile/hour) (6 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 300-600 984-1968 | 25.0 15.5 | 11.7 53 | |||||||||||||||||
13 | 14.1 57 | 741.4 29.19 988.45 988.45 | 745.7 29.36 994.19 994.19 | -1.5 -0.06 -2 -2 | 88 | Wind blowing from the south-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 100%. 10/10. 8 oktas | 100%. 10/10. 8 oktas | 300-600 984-1968 | 65.0 40.4 | 12.2 54 | |||||||||||||||||