HelsinkiFinland · Europe · October

October climate

CityCulture

October in Helsinki

Finland · Europe

Cold days.

Some tradeoffs

Early to mid

Daytime high

48°F

Lows around 39°F

Rain

Several rainy days

Sun

3 h/day

Air feel

Very dry

When to visit

Month-by-month fit

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Temperature

Cold by day, cold at night.

48°Ftypical October high

Typical range

Precipitation

Several rainy days. About 12 wet days this month.

39%wet-day frequency

Precip amountWet-day chanceSnowfall

Sunshine

Sunshine is limited, with cloud often dominating.

2.9 hOctober sunshine

Heat & humidity by month

Humidity is rarely noticeable in the cool air.

Very dryOctober Heat feel

Easy airWarm airHumid air

Hourly temperature pattern

In October, afternoons feel about 40° and nights feel near 35°.

FrigidFreezingVery coldColdCoolComfortableNight hours

Clear sky

Mostly cloudy skies this month.

25%October Clear sky

Clear skyCloud

Wind pattern

Breezy October days can feel brisker in open spots.

9 mphOctober Breezy

More detailIncludes daypart comfort

Typical October day

October late afternoons are around 47°F, easing to about 45°F in early evening.

Avg temp Typical range

Morning43°F

Rain17%

Cloud78%

Humid airLow

Sun intensityMinimal

Midday46°F

Rain19%

Cloud78%

Humid airLow

Sun intensityLow

Late afternoon47°F

Rain20%

Cloud75%

Humid airLow

Sun intensityMinimal

Early evening44°F

Rain17%

Cloud72%

Humid airLow

Sun intensityMinimal

Best window

Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	28	20	2.0	12	1.3	90
Feb	28	19	1.7	10	2.6	88
Mar	35	23	1.4	8	4.2	81
Apr	47	33	1.5	8	6.0	73
May	58	42	1.8	9	8.9	68
Jun	66	51	2.9	11	9.9	70
Jul	71	57	3.3	13	8.9	75
Aug	69	55	3.1	13	7.2	79
Sep	60	47	2.3	10	4.5	84
Oct	48	39	2.4	12	2.9	87
Nov	39	33	2.3	12	1.2	91
Dec	33	26	2.3	12	0.9	90

Similar climates

Want a side-by-side climate view? Compare Helsinki with Warsaw.

Climate data notePlanning guidance, not a forecast

Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.

Sunshine: source type is not yet identified at metric level.

Local microclimates can vary by beach, neighborhood, trail, or elevation.

Last updated: Jun 1, 2026

Data & methodology

Month

High°F

Low°F

Rainin

Wet days

Sunh

Humidity%

Jan

2.0

1.3

Feb

1.7

2.6

Mar

1.4

4.2

Apr

1.5

6.0

May

1.8

8.9

Jun

2.9

9.9

Jul

3.3

8.9

Aug

3.1

7.2

Sep

2.3

4.5

Oct

2.4

2.9

Nov

2.3

1.2

Dec

2.3

0.9

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	28	20	2.0	12	1.3	90
Feb	28	19	1.7	10	2.6	88
Mar	35	23	1.4	8	4.2	81
Apr	47	33	1.5	8	6.0	73
May	58	42	1.8	9	8.9	68
Jun	66	51	2.9	11	9.9	70
Jul	71	57	3.3	13	8.9	75
Aug	69	55	3.1	13	7.2	79
Sep	60	47	2.3	10	4.5	84
Oct	48	39	2.4	12	2.9	87
Nov	39	33	2.3	12	1.2	91
Dec	33	26	2.3	12	0.9	90

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	28	20	2.0	12	1.3	90
Feb	28	19	1.7	10	2.6	88
Mar	35	23	1.4	8	4.2	81
Apr	47	33	1.5	8	6.0	73
May	58	42	1.8	9	8.9	68
Jun	66	51	2.9	11	9.9	70
Jul	71	57	3.3	13	8.9	75
Aug	69	55	3.1	13	7.2	79
Sep	60	47	2.3	10	4.5	84
Oct	48	39	2.4	12	2.9	87
Nov	39	33	2.3	12	1.2	91
Dec	33	26	2.3	12	0.9	90

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	28	20	2.0	12	1.3	90
Feb	28	19	1.7	10	2.6	88
Mar	35	23	1.4	8	4.2	81
Apr	47	33	1.5	8	6.0	73
May	58	42	1.8	9	8.9	68
Jun	66	51	2.9	11	9.9	70
Jul	71	57	3.3	13	8.9	75
Aug	69	55	3.1	13	7.2	79
Sep	60	47	2.3	10	4.5	84
Oct	48	39	2.4	12	2.9	87
Nov	39	33	2.3	12	1.2	91
Dec	33	26	2.3	12	0.9	90

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	28	20	2.0	12	1.3	90
Feb	28	19	1.7	10	2.6	88
Mar	35	23	1.4	8	4.2	81
Apr	47	33	1.5	8	6.0	73
May	58	42	1.8	9	8.9	68
Jun	66	51	2.9	11	9.9	70
Jul	71	57	3.3	13	8.9	75
Aug	69	55	3.1	13	7.2	79
Sep	60	47	2.3	10	4.5	84
Oct	48	39	2.4	12	2.9	87
Nov	39	33	2.3	12	1.2	91
Dec	33	26	2.3	12	0.9	90

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	28	20	2.0	12	1.3	90
Feb	28	19	1.7	10	2.6	88
Mar	35	23	1.4	8	4.2	81
Apr	47	33	1.5	8	6.0	73
May	58	42	1.8	9	8.9	68
Jun	66	51	2.9	11	9.9	70
Jul	71	57	3.3	13	8.9	75
Aug	69	55	3.1	13	7.2	79
Sep	60	47	2.3	10	4.5	84
Oct	48	39	2.4	12	2.9	87
Nov	39	33	2.3	12	1.2	91
Dec	33	26	2.3	12	0.9	90

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	28	20	2.0	12	1.3	90
Feb	28	19	1.7	10	2.6	88
Mar	35	23	1.4	8	4.2	81
Apr	47	33	1.5	8	6.0	73
May	58	42	1.8	9	8.9	68
Jun	66	51	2.9	11	9.9	70
Jul	71	57	3.3	13	8.9	75
Aug	69	55	3.1	13	7.2	79
Sep	60	47	2.3	10	4.5	84
Oct	48	39	2.4	12	2.9	87
Nov	39	33	2.3	12	1.2	91
Dec	33	26	2.3	12	0.9	90