Weather archive in Helsinki
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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 30, Tuesday | 04 | -4.6 24 | 746.8 29.4 995.65 995.65 | 747.1 29.41 996.05 996.05 | 1.3 0.05 1.73 1.73 | 83 | Wind blowing from the north | 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 | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 100%. 10/10. 8 oktas | Snow, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 2.0 1.2 | -7.1 19 | 0.1 | 1 | |||||||||||
03 | -4.4 24 | 746.2 29.38 994.85 994.85 | 746.6 29.39 995.39 995.39 | 1.2 0.05 1.6 1.6 | 85 | Wind blowing from the north | 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 | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 100%. 10/10. 8 oktas | Snow, slight. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 1.6 1.0 | -6.6 20 | No precipitation No precipitation | 1 | ||||||||||||
02 | -4.0 25 | 745.9 29.37 994.45 994.45 | 746.2 29.38 994.85 994.85 | 1.0 0.04 1.33 1.33 | 74 | Wind blowing from the north | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 100%. 10/10. 8 oktas | Snow, slight. | Showers or intermittent precipitation. | Snow or ice pellets. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 3.5 2.2 | -8.0 18 | No precipitation No precipitation | 1 | ||||||||||
01 | -4.1 25 | 745.5 29.35 993.92 993.92 | 745.9 29.37 994.45 994.45 | 0.9 0.04 1.2 1.2 | 77 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 100%. 10/10. 8 oktas | Snow, slight. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 3.7 2.3 | -7.5 19 | No precipitation No precipitation | 1 | ||||||||||||
00 | -3.8 25 | 745.0 29.33 993.25 993.25 | 745.4 29.35 993.79 993.79 | 0.3 0.01 0.4 0.4 | 73 | Wind blowing from the north-northwest | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 17 m/s 61 km/h 38 miles/hour 33 knots 7 Bft | 100%. 10/10. 8 oktas | Snow | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 1500-2000 4921-6562 | 26.0 16.2 | -8.0 18 | No precipitation No precipitation | 1 | ||||||||||||
| December 29, Monday | 23 | -3.8 25 | 744.9 29.33 993.12 993.12 | 745.3 29.34 993.65 993.65 | 0.6 0.02 0.8 0.8 | 79 | Wind blowing from the north-northwest | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 100%. 10/10. 8 oktas | Snow, slight. | Showers or intermittent precipitation. | Snow or ice pellets. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 1.6 1.0 | -6.9 20 | No precipitation No precipitation | 1 | |||||||||
22 | -3.5 26 | 744.6 29.31 992.72 992.72 | 745.0 29.33 993.25 993.25 | 0.3 0.01 0.4 0.4 | 72 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 100%. 10/10. 8 oktas | Snow, slight. | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 10.0 6.2 | -7.8 18 | No precipitation No precipitation | 1 | |||||||||||||
21 | -3.5 26 | 744.7 29.32 992.85 992.85 | 745.0 29.33 993.25 993.25 | 0.4 0.02 0.53 0.53 | 71 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 18 m/s 65 km/h 40 miles/hour 35 knots 8 Bft | 100%. 10/10. 8 oktas | Snow shower(s) or intermittent snow, slight. | 100%. 10/10. 8 oktas | 1000-1500 3281-4921 | 14.0 8.7 | -8.0 18 | No precipitation No precipitation | 1 | ||||||||||||
20 | -3.3 26 | 744.3 29.3 992.32 992.32 | 744.7 29.32 992.85 992.85 | -0.4 -0.02 -0.53 -0.53 | 78 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 100%. 10/10. 8 oktas | Snow, slight. | Showers or intermittent precipitation. | Snow or ice pellets. | -3.6 26 | -0.4 31 | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 2.0 1.2 | -6.6 20 | 0.1 | 12 | ||||||||
19 | -3.6 26 | 744.3 29.3 992.32 992.32 | 744.7 29.32 992.85 992.85 | -0.4 -0.02 -0.53 -0.53 | 82 | Wind blowing from the north-northwest | Fresh breeze (8 m/s) (29 km/h) (18 miles/hour) (16 knots) (5 Bft) | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 15 m/s 54 km/h 34 mph 29 knots 7 Bft | 100%. 10/10. 8 oktas | Snow, slight. | 100%. 10/10. 8 oktas | 600-1000 1968-3281 | 1.4 0.9 | -6.2 21 | No precipitation No precipitation | 1 | ||||||||||||
18 | -3.2 26 | 744.3 29.3 992.32 992.32 | 744.7 29.32 992.85 992.85 | -0.5 -0.02 -0.67 -0.67 | 73 | Wind blowing from the north-west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 14 m/s 50 km/h 31 mile/hour 27 knots 7 Bft | 100%. 10/10. 8 oktas | Snow | 100%. 10/10. 8 oktas | 2000-2500 6562-8202 | 35.0 21.8 | -7.4 19 | No precipitation No precipitation | 1 | ||||||||||||
17 | -2.8 27 | 744.7 29.32 992.85 992.85 | 745.0 29.33 993.25 993.25 | 0.0 0 0 0 | 71 | Wind blowing from the north-west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Precipitation, slight or moderate. | Showers or intermittent precipitation. | Snow or ice pellets. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 1000-1500 3281-4921 | 8.0 5.0 | -7.4 19 | No precipitation No precipitation | 1 | ||||||||||
16 | -2.3 28 | 744.7 29.32 992.85 992.85 | 745.0 29.33 993.25 993.25 | 0.0 0 0 0 | 66 | Wind blowing from the north-west | Fresh breeze (9 m/s) (32 km/h) (20 miles/hour) (17 knots) (5 Bft) | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 13 m/s 47 km/h 29 miles/hour 25 knots 6 Bft | 60%. 6/10. 5 oktas | Snow | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | 50.0 31.1 | -7.8 18 | No precipitation No precipitation | 1 | ||||||||||||
15 | -1.8 29 | 744.8 29.32 992.99 992.99 | 745.2 29.34 993.52 993.52 | 0.1 0 0.13 0.13 | 73 | Wind blowing from the north-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Snow shower(s) or intermittent snow, slight. | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | 1500-2000 4921-6562 | 35.0 21.8 | -6.0 21 | No precipitation No precipitation | 1 | ||||||||||||
14 | -1.8 29 | 744.7 29.32 992.85 992.85 | 745.1 29.33 993.39 993.39 | -0.4 -0.02 -0.53 -0.53 | 76 | Wind blowing from the north-northwest | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 50%. 5/10. 4 oktas | Shower(s) or intermittent precipitation. | Showers or intermittent precipitation. | Snow or ice pellets. | 20–30%. 2/10–3/10. 2 oktas | 600-1000 1968-3281 | 40.0 24.9 | -5.5 22 | No precipitation No precipitation | 1 | ||||||||||
13 | -1.8 29 | 744.7 29.32 992.85 992.85 | 745.0 29.33 993.25 993.25 | -0.7 -0.03 -0.93 -0.93 | 86 | Wind blowing from the north-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 100%. 10/10. 8 oktas | Ice pellets, slight. | 100%. 10/10. 8 oktas | 300-600 984-1968 | 50.0 31.1 | -3.9 25 | No precipitation No precipitation | 1 | ||||||||||||
12 | -1.2 30 | 744.7 29.32 992.85 992.85 | 745.0 29.33 993.25 993.25 | -0.9 -0.04 -1.2 -1.2 | 81 | Wind blowing from the north-west | 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 | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 90 or more, but not 100% 9/10 or more, but not 10/10 7 oktas or more, but not 8 oktas | Snow, slight. | 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 | 3.8 2.4 | -4.1 25 | No precipitation No precipitation | 1 | ||||||||||||
11 | -1.2 30 | 745.1 29.33 993.39 993.39 | 745.5 29.35 993.92 993.92 | -0.8 -0.03 -1.07 -1.07 | 77 | Wind blowing from the north-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 50%. 5/10. 4 oktas | No significant weather observed. | 50%. 5/10. 4 oktas | 600-1000 1968-3281 | 50.0 31.1 | -4.7 24 | No precipitation No precipitation | 1 | ||||||||||||
10 | -1.3 30 | 745.4 29.35 993.79 993.79 | 745.8 29.36 994.32 994.32 | -0.8 -0.03 -1.07 -1.07 | 78 | Wind blowing from the north-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | no clouds no clouds no clouds | No significant weather observed. | 50.0 31.1 | -4.7 24 | No precipitation No precipitation | 1 | ||||||||||||||
09 | -0.8 31 | 745.6 29.35 994.05 994.05 | 746.0 29.37 994.59 994.59 | -0.9 -0.04 -1.2 -1.2 | 76 | Wind blowing from the north-west | Moderate breeze (7 m/s) (25 km/h) (16 miles/hour) (14 knots) (4 Bft) | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | 11 m/s 40 km/h 25 miles/hour 21 mile/hour 6 Bft | no clouds no clouds no clouds | No significant weather observed. | 50.0 31.1 | -4.5 24 | No precipitation No precipitation | 1 | ||||||||||||||
08 | -0.5 31 | 745.9 29.37 994.45 994.45 | 746.2 29.38 994.85 994.85 | -0.9 -0.04 -1.2 -1.2 | 77 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | no clouds no clouds no clouds | No significant weather observed. | Showers or intermittent precipitation. | Rain. | -0.8 31 | 1.7 35 | 50.0 31.1 | -4.1 25 | 0.1 | 12 | ||||||||||
07 | 0.1 32 | 746.2 29.38 994.85 994.85 | 746.5 29.39 995.25 995.25 | -0.7 -0.03 -0.93 -0.93 | 74 | Wind blowing from the north-west | Gentle breeze (5 m/s) (18 km/h) (11 miles/hour) (10 knots) (3 Bft) | 8 m/s 29 km/h 18 miles/hour 16 knots 5 Bft | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | no clouds no clouds no clouds | No significant weather observed. | 50.0 31.1 | -4.1 25 | No precipitation No precipitation | 1 | ||||||||||||||
06 | 0.7 33 | 746.5 29.39 995.25 995.25 | 746.8 29.4 995.65 995.65 | -0.7 -0.03 -0.93 -0.93 | 78 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 10 m/s 36 km/h 22 mph 19 knots 5 Bft | 60%. 6/10. 5 oktas | No significant weather observed. | 60%. 6/10. 5 oktas | 600-1000 1968-3281 | 50.0 31.1 | -2.8 27 | No precipitation No precipitation | 1 | ||||||||||||
05 | 0.6 33 | 746.8 29.4 995.65 995.65 | 747.1 29.41 996.05 996.05 | -0.9 -0.04 -1.2 -1.2 | 87 | Wind blowing from the north-west | Moderate breeze (6 m/s) (22 km/h) (13 miles/hour) (12 knots) (4 Bft) | 9 m/s 32 km/h 20 miles/hour 17 knots 5 Bft | 12 m/s 43 km/h 27 miles/hour 23 knots 6 Bft | 60%. 6/10. 5 oktas | Rain shower(s) or intermittent rain, slight. | Showers or intermittent precipitation. | Rain. | 60%. 6/10. 5 oktas | 200-300 656-984 | 50.0 31.1 | -1.4 29 | 0.1 | 1 | ||||||||||
04 | 1.3 34 | 746.9 29.41 995.79 995.79 | 747.2 29.42 996.18 996.18 | -1.7 -0.07 -2.27 -2.27 | 89 | Wind blowing from the north-west | Gentle breeze (4 m/s) (14 km/h) (9 miles/hour) (8 knots) (3 Bft) | 6 m/s 22 km/h 13 miles/hour 12 knots 4 Bft | 7 m/s 25 km/h 16 miles/hour 14 knots 4 Bft | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | No significant weather observed. | 10% or less, but not 0 1/10 or less, but not zero 1 okta or less, but not 0 | 1000-1500 3281-4921 | 50.0 31.1 | -0.3 31 | No precipitation No precipitation | 1 | ||||||||||||