Weather archive in Helsinki / Vantaa (airport)

weather station number     , observations since February 1, 2005
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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
April 10,
Thursday
22
-0.7
746.6
751.2
-2.9
94
Wind blowing from the south-southwestModerate breeze
(6 m/s)
  
100%.
Snow, slight.     
100%.
100-200
  
2.0
-1.5
      
21
-1.0
748.1
752.8
-2.3
92
Wind blowing from the south-southwestGentle breeze
(5 m/s)
  
100%.
Continuous fall of snowflakes, slight at time of observation.Snow and/or other types of solid precipitationCloud covering more than 1/2 of the sky throughout the appropriate period.
-2.8
3.1
Stratocumulus other than Stratocumulus cumulogenitus.
100%.
300-600
  
2.0
-2.2
0.2
12
  Compact or wet snow (with or without ice) covering less than one-half of the ground.Snow cover, not continuous.
20
0.7
749.0
753.6
-2.4
56
Wind blowing from the westModerate breeze
(7 m/s)
  
100%.
Rain, not freezing, slight.     
100%.
600-1000
  
28.0
-7.1
      
19
2.2
749.5
754.0
-2.9
30
Wind blowing from the west-southwestModerate breeze
(6 m/s)
  
90 or more, but not 100%
No significant weather observed.     
90 or more, but not 100%
2000-2500
  
65.0
-13.9
      
18
2.7
750.4
754.9
-2.7
24
Wind blowing from the west-southwestGentle breeze
(5 m/s)
  
60%.
Clouds generally forming or developing.Cloud covering more than 1/2 of the sky throughout the appropriate period.Cloud covering more than 1/2 of the sky throughout the appropriate period.  No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
60%.
2000-2500
Altostratus translucidus.Cirrostratus covering the whole sky.
71.0
-16.0
  Dry (without cracks, no appreciable amount of dust or loose sand)   
17
2.1
751.4
756.0
-2.5
19
Wind blowing from the westGentle breeze
(5 m/s)
  
100%.
No significant weather observed.     
100%.
2500 or more, or no clouds.
  
65.0
-19.1
      
16
2.0
752.4
757.0
-2.2
19
Wind blowing from the westGentle breeze
(5 m/s)
  
60%.
No significant weather observed.      
2500 or more, or no clouds.
  
65.0
-19.3
      
15
1.7
753.1
757.6
-1.9
19
Wind blowing from the west-northwestGentle breeze
(5 m/s)
  
40%.
Clouds generally forming or developing.Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.  No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
40%.
2500 or more, or no clouds.
Altostratus translucidus.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.
65.0
-19.6
  Dry (without cracks, no appreciable amount of dust or loose sand)   
14
0.8
753.9
758.5
-1.3
20
Wind blowing from the north-westGentle breeze
(4 m/s)
  
no clouds
No significant weather observed.         
65.0
-19.6
      
13
-0.3
754.6
759.2
-0.9
25
Wind blowing from the west-northwestGentle breeze
(5 m/s)
  
no clouds
No significant weather observed.         
65.0
-18.3
      
12
-0.5
755.0
759.7
-0.4
27
Wind blowing from the north-northwestGentle breeze
(5 m/s)
  
no clouds
Clouds generally dissolving or becoming less developed.Cloud covering 1/2 or less of the sky throughout the appropriate period.Cloud covering 1/2 or less of the sky throughout the appropriate period.       
65.0
-17.2
  Dry   
11
-1.7
755.2
759.8
0.0
31
Wind blowing from the north-northwestGentle breeze
(5 m/s)
  
no clouds
No significant weather observed.         
65.0
-16.8
      
10
-2.1
755.5
760.2
0.4
33
Wind blowing from the northModerate breeze
(7 m/s)
  
no clouds
No significant weather observed.         
65.0
-16.5
      
09
-2.6
755.4
760.0
0.7
36
Wind blowing from the northModerate breeze
(7 m/s)
  
no clouds
Clouds generally forming or developing.Cloud covering 1/2 or less of the sky throughout the appropriate period.Cloud covering 1/2 or less of the sky throughout the appropriate period.
-3.9
-0.2
     
55.0
-15.6
No precipitation
12
    
08
-3.3
755.2
759.9
0.7
38
Wind blowing from the north-northwestModerate breeze
(7 m/s)
  
no clouds
No significant weather observed.         
40.0
-15.6
      
07
-3.8
755.1
759.8
 
39
Wind blowing from the northModerate breeze
(6 m/s)
  
no clouds
          
55.0
-15.8
      
06
-3.7
754.7
759.4
1.2
37
Wind blowing from the north-northwestModerate breeze
(6 m/s)
  
no clouds
State of sky on the whole unchanged.Cloud covering 1/2 or less of the sky throughout the appropriate period.Cloud covering 1/2 or less of the sky throughout the appropriate period.       
60.0
-16.4
  Dry   
05
-3.0
754.5
759.1
1.1
35
Wind blowing from the north-northwestModerate breeze
(6 m/s)
  
no clouds
No significant weather observed.         
71.0
-16.4
      
04
-2.1
753.9
758.5
0.8
32
Wind blowing from the north-northwestFresh breeze
(8 m/s)
  
no clouds
No significant weather observed.         
65.0
-16.7
      
03
-1.6
753.5
758.2
0.6
32
Wind blowing from the north-northwestFresh breeze
(8 m/s)
  
no clouds
State of sky on the whole unchanged.Cloud covering 1/2 or less of the sky throughout the appropriate period.Cloud covering 1/2 or less of the sky throughout the appropriate period.       
55.0
-16.1
  Dry   
02
-1.3
753.4
758.1
0.6
44
Wind blowing from the north-northwestModerate breeze
(7 m/s)
  
no clouds
No significant weather observed.         
71.0
-12.2
      
01
-1.0
753.1
757.7
0.4
49
Wind blowing from the north-northwestModerate breeze
(7 m/s)
  
no clouds
No significant weather observed.         
71.0
-10.4
      
00
-1.5
752.9
757.6
0.6
51
Wind blowing from the north-westGentle breeze
(5 m/s)
  
40%.
Clouds generally dissolving or becoming less developed.Cloud covering 1/2 or less of the sky throughout the appropriate period.Cloud covering 1/2 or less of the sky throughout the appropriate period.  Stratocumulus other than Stratocumulus cumulogenitus.
40%.
2000-2500
No Altocumulus, Altostratus or Nimbostratus.Cirrus fibratus, sometimes uncinus, not progressively invading the sky.
71.0
-10.5
  Surface of ground moist.   
April 9,
Wednesday
23
-0.8
752.8
757.5
0.9
48
Wind blowing from the north-northwestModerate breeze
(6 m/s)
  
10% or less, but not 0
No significant weather observed.     
10% or less, but not 0
1500-2000
  
65.0
-10.5
      
22
-0.4
752.7
757.3
1.3
48
Wind blowing from the north-northwestModerate breeze
(7 m/s)
  
60%.
No significant weather observed.     
60%.
2500 or more, or no clouds.
  
60.0
-10.2
      
0