July weather - Summer 2024 - Helsinki, Finland

Weather in July
Frequently asked questions
Average temperature in July
Average rainfall in July
Average rainfall days in July
Average snowfall in July
Average sea temperature in July
Average daylight in July
Average sunshine in July
Average UV index in July

A scenic reflection in the water of the illuminated city of Helsinki in Finland

Weather in July

Helsinki's weather in July radiates the essence of a classic Finnish summer. Accounting for the year's highest temperatures, mercury potentially ascends to a pleasant 21.5°C (70.7°F). The sea temperatures peak at 15°C (59°F), becoming particularly enticing for sea ventures. Despite 63mm (2.48") rainfall, the sunshine prevails, making July a joyful combination of sun-doused and rain-kissed days. Superior daylight hours at 18h further bolster the city's lively summer atmosphere, making July an appealing month to visit.

Temperature

July is Helsinki's warmest month, registering average high temperatures of 21.5°C (70.7°F) and lows of 14.2°C (57.6°F).

Rainfall

In July, the rain falls for 12 days. Throughout July, 63mm (2.48") of precipitation is accumulated. Throughout the year, there are 182 rainfall days, and 655mm (25.79") of precipitation is accumulated.

Snowfall

In Helsinki, Finland, snow does not fall in April through October.

Sea temperature

In July, the average sea temperature in Helsinki, Finland, is 15°C (59°F).
Note: For the majority of people, swimming in water at 15°C (59°F) is not enjoyable. The challenge of controlling breathing escalates as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in July is 17h and 59min.
On the first day of July, sunrise is at 04:01 and sunset at 22:47. On the last day of the month, sunrise is at 04:58 and sunset at 21:54 EEST.

Sunshine

In Helsinki, the average sunshine in July is 9.4h.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 in July transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year in Helsinki?

Helsinki's July weather reaches an average high of 21.5°C (70.7°F) and an average low of 14.2°C (57.6°F), making it the warmest month.

What are the temperatures in Helsinki in July?

During July, Helsinki experiences an average high-temperature of 21.5°C (70.7°F) and a low-temperature of 14.2°C (57.6°F).

How many days does it rain in July in Helsinki?

In Helsinki, in July, during 12 rainfall days, 63mm (2.48") of precipitation is typically accumulated.

When it does not snow in Helsinki?

April through October are months without snowfall.

How cold is the water in July in Helsinki?

In Helsinki, the average seawater temperature in July is 15°C (59°F). For most, swimming in 15°C (59°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Helsinki have in July?

The average day length in July in Helsinki is 17h and 59min.

What time are sunrise and sunset in July in Helsinki?

On the first day of July in Helsinki, Finland, sunrise is at 04:01 and sunset at 22:47. On the last day of the month, sunrise is at 04:58 and sunset at 21:54 EEST.

How long on average sun shines in July in Helsinki?

In Helsinki, Finland, the average sunshine duration in July is 9.4h.

When is the highest UV index in Helsinki?

June and July, with an average maximum UV index of 5, are months with the highest UV index in Helsinki.

What is the UV index reading in July in Helsinki?

The average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

18.5°C 65.3°F

21.5°C 70.7°F

19.8°C 67.6°F

Average low temperature

Average rainfall

Average rainfall days

Average snowfall

0mm 0"

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in July
Helsinki, Finland

Average high temperature in July: 21.5°C

The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is February (-1.9°C).

Average low temperature in July: 14.2°C

The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (-7.4°C).

Average rainfall in July
Helsinki, Finland

Average rainfall in July: 63mm

The wettest month (with the highest rainfall) is August (80mm).
The driest month (with the least rainfall) is April (32mm).

Average rainfall days in July
Helsinki, Finland

Average rainfall days in July: 12 days

The month with the highest number of rainy days is December (20 days).
The months with the least rainy days are April and May (11 days).

Average snowfall in July
Helsinki, Finland

Average snowfall in July: 0mm

The month with the highest snowfall is February (230mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average sea temperature in July
Helsinki, Finland

Average sea temperature in July: 15°C

The best month for swimming (with the highest average sea temperature) is August (16°C).
The coldest months (with the lowest average sea temperature) are February and March (1°C).

Average daylight in July /
Average sunshine in July
Helsinki, Finland

Average daylight in July: 18h and 0min

The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).

Average sunshine in July: 9h and 2min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).

Average UV index in July
Helsinki, Finland

Average UV index in July: 5

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 0).

July weather forecast
Helsinki, Finland

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