🌤️

Byggt på öppna data från SMHI

Sveriges väderarkiv
2008
2010

Västerås 2009

Historisk väderöversikt och dagliga observationer för 2009.

Året i korthet

Väderåret 2009

De viktigaste väderhändelserna samlade: värme, kyla, regn, snö, vind och molnighet.

Värme

Varmast
29.6 °C
2009-07-02
Milda dagar
140 dagar
max > 15 °C
Sommardagar
13 dagar
max > 25 °C

Kyla

Kallast
-19.1 °C
2009-12-30
Frostdagar
119 dagar
min < 0 °C
Kalla nätter
19 nätter
min < -10 °C
Isdygn
52 dygn
max <= 0 °C

Nederbörd

Total nederbörd
665.9 mm
årssumma
Våta dagar
110 dagar
>= 1 mm
Kraftigt regn
14 dagar
> 10 mm

Snö

Snödagar
77 dagar
snödjup > 0
Högsta snödjup
28 cm
största mätning

Årssammanställning

Temperatur månad

Månadernas temperaturmönster i ett kompakt värmekort för året.

jan
feb
mar
apr
maj
jun
jul
aug
sep
okt
nov
dec
Max (°C)
6.3
3.3
10.2
21.1
24.2
28.4
29.6
27.0
23.4
13.1
11.0
5.7
Medel (°C)
-2.4
-4.1
0.2
7.9
11.5
13.9
17.3
16.9
12.9
4.4
4.9
-4.0
Min (°C)
-17.2
-15.7
-14.0
-3.0
0.1
0.7
9.7
6.9
1.5
-2.6
-1.4
-19.1

Årssammanställning

Nederbörd månad

Månadernas totala nederbörd och antal dagar med mer än 1 mm regn.

jan
feb
mar
apr
maj
jun
jul
aug
sep
okt
nov
dec
Nederbörd (mm)
28.5
34.1
28.5
6.3
40.2
88.6
147.6
63.1
46.7
60.4
65.3
56.6
Dagar > 1 mm
7
6
5
1
10
9
13
11
8
9
13
12

Väderdagar

Väder dag för dag 2009

Växla mellan temperatur, nederbörd och vind för att se hur året skiftar dag för dag.

2009
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
jan
-3.4
-8.7
-6.9
-4.6
-12.0
-8.0
-4.1
-7.1
-6.0
2.0
-6.9
-16.1
-14.0
3
-8.8
-17.2
-11.2
3
0.4
-8.8
-3.0
3
-0.2
-9.6
-6.6
3
0.8
-13.8
-5.2
0.6
3
6.3
-2.5
1.8
2
2.9
-3.2
1.2
2
3.7
1.2
2.5
5.6
3.2
5.1
5.4
3.6
4.4
5.0
-2.5
0.6
0.0
-6.2
-3.9
-6.2
-10.7
-9.5
-2.0
-10.0
-4.2
-0.7
-3.1
-1.6
0.5
-1.0
-0.1
2.2
1.8
0.3
1.1
3.6
2
1.8
-2.0
-0.7
-0.5
-2.8
-1.3
1.6
-1.2
0.3
1.7
1.7
-0.2
0.6
10.9
1.8
0.3
0.9
5.3
1
1.1
0.0
0.4
1
0.1
-1.2
-0.8
0.6
-0.9
0.0
2.2
0.2
-5.4
-2.1
2
-3.2
-5.1
-4.3
2
-2.7
-5.8
-3.9
2
feb
-3.3
-9.2
-5.6
2
-1.8
-7.3
-5.4
2
-3.2
-9.8
-6.0
2
-1.4
-3.7
-2.0
2
-0.6
-2.6
-1.5
1.0
2
0.4
-1.4
-0.3
5.4
2
0.1
-3.8
-1.7
10.1
4
0.3
-4.8
-2.1
4.2
9
-2.7
-10.8
-6.5
12
-3.2
-10.4
-5.2
0.6
12
-1.9
-5.3
-3.5
12
-2.3
-5.9
-4.7
12
-4.7
-9.3
-8.1
12
-1.0
-13.8
-8.6
12
-2.7
-9.8
-5.8
12
-4.2
-5.7
-5.3
0.2
11
-3.9
-6.5
-5.4
11
-4.9
-7.4
-6.3
11
-5.7
-7.2
-6.6
11
-3.2
-7.2
-6.1
11
-3.5
-15.7
-8.9
5.4
11
0.6
-4.0
-1.0
3.5
16
-0.1
-2.1
-1.4
16
2.0
-6.9
-1.8
16
2.7
-2.0
0.1
3.2
16
3.3
0.1
1.0
0.5
14
1.5
-1.3
-0.5
13
-0.4
-9.5
-5.9
13
mar
-1.1
-14.0
-6.8
13
1.6
-2.2
-0.1
7.5
13
2.6
-0.4
1.1
16
5.0
0.9
2.2
0.3
13
2.3
0.3
0.9
0.2
12
2.4
-0.6
0.7
9
1.4
-0.4
0.4
9
2.2
-1.2
0.2
6.6
9
1.7
-0.1
0.6
9
1.1
-2.0
-0.7
4.0
9
-1.4
-3.5
-2.5
0.4
15
0.0
-3.0
-1.5
14
2.7
-1.0
0.8
0.8
14
2.4
0.1
1.0
0.4
12
5.8
0.2
1.7
10
3.1
-3.1
0.7
0.2
9
7.1
1.1
3.8
6
6.1
0.2
2.2
2.9
-2.1
-0.3
5.0
-5.8
0.9
6.4
0.7
2.7
2.5
-1.7
-0.5
1.7
0.8
-3.0
-1.3
0.4
2
-1.0
-5.6
-3.9
0.9
-10.0
-4.3
3.1
-7.6
-2.1
1.9
-4.8
-1.2
5.8
3.5
-0.5
1.6
4
2.9
-0.5
1.2
6.3
-1.8
2.9
10.2
2.6
7.1
0.2
apr
10.2
1.2
4.7
12.6
0.9
6.5
13.7
0.8
5.9
15.3
-0.7
6.6
0.1
9.4
1.1
5.4
13.3
1.8
7.1
13.1
-1.9
5.7
10.4
0.2
4.4
6.1
11.8
3.0
6.9
0.1
15.8
1.2
8.2
17.9
1.4
9.6
16.4
0.5
9.0
14.2
1.9
7.4
10.7
5.2
7.6
13.0
2.3
7.4
10.3
2.8
6.2
14.2
2.7
8.1
10.3
2.5
5.0
13.3
-3.0
6.4
10.4
2.7
5.9
6.6
-3.0
3.0
10.5
2.3
6.4
17.0
-1.1
9.4
18.5
4.3
12.0
19.9
5.1
12.8
20.2
7.3
13.4
21.1
6.4
13.8
17.8
7.6
13.3
14.7
4.4
8.9
16.0
4.9
10.4
maj
17.4
0.1
10.8
20.4
5.9
13.0
16.5
7.9
12.0
0.3
13.4
6.3
8.9
6.7
10.8
6.7
8.4
1.2
11.5
5.6
8.7
13.9
2.6
9.2
0.1
15.9
6.1
10.0
12.4
16.1
7.3
11.0
16.1
7.9
11.3
2.4
12.4
5.5
8.5
0.3
14.0
4.2
9.2
15.5
5.3
10.6
12.7
7.3
8.9
15.1
4.3
9.5
17.2
4.2
10.5
17.6
2.2
10.7
14.5
4.0
8.6
3.3
15.0
8.1
11.7
2.5
17.5
7.7
12.5
16.9
7.8
13.1
1.7
14.6
5.5
10.2
2.2
17.0
7.7
12.5
1.6
17.9
6.9
12.5
0.5
20.9
8.7
15.4
21.4
10.6
15.7
18.2
11.3
13.9
0.2
14.5
8.6
10.2
4.8
19.3
6.5
13.6
24.2
7.2
17.4
24.2
8.9
18.7
jun
23.7
10.3
19.0
20.4
8.0
11.7
4.2
14.3
6.8
9.7
0.9
9.6
5.1
7.1
8.8
10.5
5.1
7.4
14.5
0.7
7.7
0.5
14.3
7.1
9.8
0.3
16.3
2.3
9.5
15.7
4.6
10.8
7.6
14.0
8.6
10.6
9.4
18.0
10.6
13.6
16.2
10.5
11.9
7.8
13.8
9.9
11.9
10.0
13.4
7.4
9.6
30.3
13.0
6.1
9.5
16.6
5.3
11.6
17.4
9.7
13.5
16.1
9.6
12.5
6.4
17.8
10.1
12.6
2.4
17.1
8.8
12.8
20.2
6.8
15.1
21.8
8.2
16.3
23.7
10.0
17.8
24.3
11.2
19.1
25.4
11.6
18.9
25.2
13.3
19.5
26.6
11.5
20.1
28.2
12.8
21.8
28.4
13.4
22.2
27.8
13.1
22.0
jul
27.4
15.9
21.8
29.6
14.8
23.4
26.9
15.2
21.0
15.3
21.7
14.1
17.5
1.0
18.3
9.7
14.3
0.6
16.5
12.1
13.6
7.0
18.3
11.6
15.0
10.2
22.8
12.2
17.3
9.7
18.6
12.3
13.9
34.4
19.0
12.4
15.3
11.0
19.0
12.2
15.8
2.0
19.8
12.5
16.2
8.0
21.8
13.1
17.8
0.4
22.2
12.0
17.6
24.3
11.5
17.4
4.4
23.2
15.1
19.0
23.6
14.4
19.5
24.6
13.5
19.3
20.9
16.9
18.1
28.9
20.7
13.8
17.0
19.1
14.2
16.1
0.5
21.7
12.9
17.7
22.3
17.0
18.4
6.9
22.0
15.9
18.1
0.5
21.0
14.2
16.9
1.0
20.0
13.7
15.9
0.8
19.8
13.6
16.5
21.5
15.7
18.0
2.4
21.7
13.3
17.1
21.8
10.3
16.5
1.8
20.0
13.4
15.5
0.8
aug
21.0
13.7
17.2
22.1
12.1
17.5
23.1
10.8
17.1
24.7
11.4
18.9
1.7
24.6
13.9
19.6
26.5
14.4
21.2
27.0
14.5
21.2
25.5
14.8
20.4
25.3
14.9
20.2
24.0
17.1
20.2
20.9
15.5
18.1
20.7
13.0
16.8
20.7
8.1
13.4
7.4
20.1
8.8
13.0
1.2
19.9
6.9
14.5
2.5
20.6
13.4
16.8
0.7
20.0
14.3
16.0
6.0
20.0
12.0
14.6
1.7
18.7
8.0
13.4
22.6
11.2
16.8
22.0
14.5
18.0
22.8
20.4
14.2
16.5
1.2
19.6
11.3
15.3
20.7
8.7
14.7
21.7
9.4
16.2
18.6
13.8
16.0
13.8
21.7
12.9
16.9
22.0
14.7
17.9
2.5
18.7
12.6
14.6
1.6
18.6
11.8
14.6
18.2
12.1
15.1
sep
23.4
16.5
19.1
2.3
19.6
14.1
16.2
0.4
19.2
12.3
14.8
16.0
17.1
13.5
14.7
4.2
17.6
13.1
14.6
16.4
9.2
12.4
4.4
18.5
10.9
14.4
19.6
14.7
17.0
22.8
16.3
18.3
18.7
8.1
13.4
18.0
5.8
12.0
17.5
10.4
13.6
15.5
8.8
11.5
17.4
7.8
12.2
18.0
4.0
10.3
16.2
8.8
11.7
3.4
14.8
4.4
9.0
18.1
6.4
11.7
18.7
8.6
13.3
18.9
6.2
13.7
3.0
15.9
11.2
13.1
15.8
11.9
14.3
0.3
17.5
11.5
13.5
14.3
6.9
9.2
18.7
3.2
12.2
17.5
12.9
14.5
16.1
12.2
14.3
4.0
15.1
8.5
10.6
8.7
11.3
1.5
5.7
11.7
2.4
6.8
okt
9.5
-0.9
4.2
2.3
10.0
-1.5
3.3
8.7
-2.0
4.6
9.6
11.2
5.9
8.2
10.4
1.2
5.0
9.0
-2.1
4.5
8.8
13.1
7.5
10.9
10.0
0.2
4.7
6.8
8.2
2.6
4.2
8.3
-2.6
1.4
0.7
8.2
-2.1
3.6
7.2
7.7
3.0
4.2
0.2
4.3
0.5
1.9
5.4
-1.4
2.5
7.7
-0.4
2.6
1.5
5.1
1.8
3.5
10.0
6.5
3.8
4.8
0.2
6.7
-0.7
3.1
6.1
7.3
3.0
4.4
0.4
4.5
0.1
2.6
0.2
7.2
3.7
5.6
7.2
5.6
6.2
6.3
4.0
4.9
0.7
6.3
3.4
5.1
1.0
6.8
5.4
6.2
2.8
9.6
6.4
8.3
1.0
9.0
5.0
6.5
6.8
-0.4
1.9
4.7
-0.9
2.3
5.8
2.1
3.0
5.5
-0.4
2.7
0.9
nov
4.4
2.7
3.2
6.6
2.6
5.9
7.4
4.1
5.4
4.6
0.0
2.0
0.2
2.6
0.2
1.8
4.3
6.5
2.5
5.7
1.5
7.6
5.7
6.3
0.2
6.7
4.5
5.8
6.6
1.3
3.1
4.9
1.4
2.8
2.5
0.2
1.1
1.4
-1.4
-0.1
0.2
-1.1
-0.5
1.3
6.8
-1.0
4.4
10.7
8.0
6.7
7.5
2.0
7.3
6.6
6.8
0.7
7.2
5.7
6.6
4.8
7.6
6.2
6.7
4.7
6.8
2.6
4.4
8.1
10.0
5.0
9.1
0.2
11.0
5.8
7.7
8.4
2.4
6.4
8.9
8.9
6.1
7.0
3.2
7.1
4.9
5.8
8.8
2.1
5.8
3.5
9.1
5.6
7.0
0.8
6.8
5.2
5.7
6.0
3.9
5.1
5.6
1.5
2.8
2.5
6.3
0.8
5.2
7.7
dec
5.7
-2.7
0.2
-1.3
-7.2
-6.0
0.5
-8.2
-1.8
1.9
0.3
1.2
4.8
0.3
3.1
2.2
5.6
0.7
3.0
1.3
4.9
1.5
3.8
2.4
3.7
3.0
3.3
3.2
2.4
2.7
2.5
1.9
2.1
0.5
2.7
-0.2
1.4
1.1
-0.7
0.4
0.3
0.9
-2.6
-0.3
0.4
-3.2
-2.5
5.5
-0.6
-4.0
-1.5
16.7
7
-0.6
-7.7
-5.3
28
-7.0
-10.1
-8.2
28
-6.4
-16.6
-13.1
28
-8.5
-19.0
-12.1
4.1
28
-4.9
-8.6
-6.6
1.0
22
-7.2
-15.2
-11.8
20
-8.4
-18.4
-12.0
3.6
18
-3.1
-8.4
-4.6
18
-1.3
-5.2
-3.1
16
0.9
-2.3
0.1
8.0
13
0.1
-2.8
-2.2
5.0
15
-2.6
-14.8
-10.1
2.8
17
1.0
-7.6
-2.3
1.4
16
-4.9
-16.3
-14.2
16
-14.2
-19.1
-17.4
16
-6.6
-17.9
-10.7
1.8
16