Climate and Weather Charts
Helsinki Airport (HEL)
(Helsinki, Finland)
Helsinki features a maritime, continental climate with warm and at times extremely hot summer months. However, the winters in Helsinki are at the opposite end of the scale, being bitterly cold, with much of this time remaining around freezing level. Snowy weather can be expected during Helsinki's cold winter months, often settling on the ground for long periods of time. Helsinki lies on the southern coast of Finland, next to the Gulf of Finland, which has been known for freeze over during the harshest of winters.
Late spring and summer offer a much more appealing climate in Helsinki, with fairly low levels of rainfall and plenty of sunshine. Daytime temperatures during July and August usually average 20°C / 68°F or more, reaching 25°C / 77°F at times. Daylight hours in summer are extremely long and can last around 18 hours. The average annual daytime temperatures in Helsinki are around 8°C / 47°F.
Climate Description: Maritime, continental climate
Helsinki Vantaalla Airport (HEL) Location: Northern Hemisphere, Finland
Annual High / Low Daytime Temperatures at Helsinki: 23°C / -2°C (73°F / 28°F)
Average Daily January Temperature: -1°C / 30°F
Average Daily June Temperature: 18°C / 64°F
Annual Rainfall / Precipication Helsinki at Airport (HEL): 637 mm / 25 inches
Helsinki Vantaalla Airport (HEL):
Climate and Weather Charts
Temperature Chart |
| Temperatures |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Average |
Maximum
Celcius (°C) |
-1 |
-2 |
1 |
7 |
13 |
18 |
23 |
18 |
15 |
9 |
1 |
-1 |
8 |
Minimum
Celcius (°C) |
-5 |
-7 |
-4 |
2 |
6 |
12 |
15 |
10 |
7 |
4 |
-1 |
-6 |
3 |
Maximum
Fahrenheit (°F) |
30 |
28 |
34 |
45 |
55 |
64 |
73 |
64 |
59 |
48 |
34 |
30 |
47 |
Minimum
Fahrenheit (°F) |
23 |
19 |
25 |
36 |
43 |
54 |
59 |
50 |
45 |
39 |
30 |
21 |
37 |
Rainfall / Precipitation Chart |
| Rainfall |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Total |
| Rainfall (mm) |
46 |
36 |
36 |
38 |
43 |
46 |
61 |
74 |
66 |
69 |
66 |
56 |
637 |
| Rainfall (inches) |
1.8 |
1.4 |
1.4 |
1.5 |
1.7 |
1.8 |
2.4 |
2.9 |
2.6 |
2.7 |
2.6 |
2.2 |
25 |
| Helsinki Days of Rain |
6 |
4 |
3 |
5 |
3 |
5 |
4 |
6 |
3 |
8 |
6 |
5 |
58 |
Snowfall Chart |
| Snowfall |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Total |
| Helsinki (Days of Snow) |
8 |
8 |
6 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
5 |
6 |
34 |
Seasonal Chart |
| Seasons |
Average
Temp
(Max °C) |
Average
Temp
(Min °C) |
Average
Temp
(Max °F) |
Average
Temp
(Min °F) |
Total
Rainfall
(mm) |
Total
Rainfall
(inches) |
| Mar to May (Spring) |
7 |
1 |
45 |
35 |
117 |
5 |
| Jun to Aug (Summer) |
20 |
12 |
67 |
54 |
181 |
7 |
| Sept to Nov (Autumn / Fall) |
8 |
3 |
47 |
38 |
201 |
8 |
| Dec to Feb (Winter) |
-1 |
-6 |
29 |
21 |
138 |
5 |
