Kello, Finland — Weather in May 2027

Climate Overview

Kello, Finland in May has mild conditions, with highs averaging 10.3°C (51°F) and noticeably cooler mornings. Sea temperature stays cool at 4.5°C (40°F).

This month falls at the end of Spring.

Daily highs in May gradually rise from around 5°C (42°F) at the start to 14°C (57°F) by month's end.

May sees fairly even rainfall, totalling about 43 mm across the month.

Expect around 11.5h of sunshine at the start of May, increasing to 13.9h by the end.

The warmest days tend to fall around the 31th, averaging 14.3°C (58°F).

Compared to April, this month is about 7°C warmer with 0 fewer rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

10°C / 4°C

Feels Like

7°C / 0°C

Rain

8 days · 43 mm

Sunshine

12.9h / day

Humidity

74% — Humid

Wind

19 km/h

Wind Direction

W (271°)

Gusts

33 km/h

Daylight

18.9 h

Cloud Cover

56%

Clear Sky Days

4.5

UV Index

4.3 — Moderate

Sea Temperature

5°C

Dew Point

3°C — Dry

Moon Phase

Waxing Gibbous · 66%

Snow Days

2 days · 2.2 cm

Frost Days

7 days

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 03:54

Daylight 18.7h

Sunset 22:38

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	-5°C / -10°C	-11°C / -15°C	9days (35 mm) Wet	0.8h Poor	86% Very Muggy	0.2 Low	Poor	View Details
February	-5°C / -9°C	-10°C / -14°C	9days (38 mm) Wet	2.7h Poor	86% Very Muggy	0.8 Low	Poor	View Details
March	-2°C / -7°C	-7°C / -12°C	9days (31 mm) Wet	6.6h Fair	84% Humid	2 Low	Poor	View Details
April	3°C / -3°C	-1°C / -8°C	8days (37 mm) Wet	10.1h Excellent	81% Humid	3.1 Moderate	Poor	View Details
May	10°C / 4°C	7°C / 0°C	8days (43 mm) Wet	12.9h Excellent	74% Muggy	4.3 Moderate	Fair	View Details
June best	17°C / 11°C	15°C / 9°C	9days (60 mm) Wet	14.7h Excellent	70% Muggy	4.7 Moderate	Good	View Details
July best	20°C / 15°C	20°C / 13°C	12days (80 mm) Wet	13.5h Excellent	74% Muggy	4.5 Moderate	Excellent	View Details
August best	18°C / 13°C	17°C / 11°C	14days (96 mm) Wet	10.9h Excellent	78% Humid	3.7 Moderate	Good	View Details
September	13°C / 9°C	11°C / 6°C	12days (72 mm) Wet	6.6h Fair	83% Humid	2.3 Moderate	Fair	View Details
October	6°C / 3°C	2°C / -1°C	13days (77 mm) Wet	3.4h Poor	87% Very Muggy	1 Low	Poor	View Details
November	1°C / -2°C	-4°C / -7°C	11days (51 mm) Wet	0.9h Poor	89% Very Muggy	0.3 Low	Poor	View Details
December	-2°C / -6°C	-7°C / -11°C	11days (48 mm) Wet	0.5h Poor	89% Very Muggy	0.1 Low	Poor	View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Layered clothingLight jacketUmbrellaComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Kello?

May is typically fair for visiting Kello, with average highs of 10°C (51°F) and around 8 rainy days. Kello, Finland in May has mild conditions, with highs averaging 10.3°C (51°F) and noticeably cooler mornings. Sea temper

Does it rain a lot in Kello in May?

Kello typically sees around 8 rainy days in May with 43 mm (1.7 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Kello in May?

Yes, nights in Kello during May are cold, averaging 4°C (38°F). Pack warm layers and a coat for evenings.

What should I pack for Kello in May?

With highs of 10°C (51°F) and lows of 4°C (38°F) in May, we recommend: Layered clothing, Light jacket, Umbrella, Comfortable walking shoes. Comfortable walking shoes are essential.

Is May among the best months weather-wise in Kello?

May is not the most favourable month weather-wise in Kello. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Kello in May?

The average UV index in Kello during May is 4 (moderate). Sunscreen and sunglasses are recommended during midday hours.

How many hours of daylight are there in Kello in May?

Kello gets approximately 19 hours of daylight per day in May, with around 13 hours of sunshine.

Does it snow in Kello in May?

Yes, Kello typically sees around 2 snow days in May with roughly 2 cm (1 in) of snowfall.

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