July weather forecast
Lahti, Finland

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Weather in July

July in Lahti presents a full-blown summer with the city basking under the generous sunshine. Reaching its zenith, July is marked as the warmest month of the year, featuring temperatures lingering close to 22°C (71.6°F). The extended daylight results in vibrant social calendar brimming with events and festivities. Families are often found picnicking under the clear blue skies; however, sudden showers are not uncommon. Despite the occasional downfall, the overall weather is predominantly pleasant, making July the ideal time for tourists.

Temperature

July, recording an average high temperature of 22°C (71.6°F) and a low temperature of 12.4°C (54.3°F), is Lahti's warmest month.

Humidity

In Lahti, the average relative humidity in July is 73%.

Rainfall

The month with the most rainfall is July, when the rain falls for 14.3 days and typically aggregates up to 46mm (1.81") of precipitation.

Snowfall

In Lahti, snow does not fall in June through August.

Daylight

In Lahti, the average length of the day in July is 18h and 16min.
On the first day of the month, sunrise is at 03:48 and sunset at 22:53. On the last day of July, in Lahti, sunrise is at 04:50 and sunset at 21:57 EEST.

Sunshine

In Lahti, the average sunshine in July is 10.9h.

UV index

July is the month with the highest UV index in Lahti, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In July, a daily maximum UV index of 5 leads to the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Jan 31, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What month is the hottest in Lahti?

The month of July, characterized by an average high of 22°C (71.6°F) and a low of 12.4°C (54.3°F), is recognized as the warmest in Lahti, Finland.

What is the temperature in July in Lahti?

The average high-temperature and low-temperature in Lahti during July are 22°C (71.6°F) and 12.4°C (54.3°F) respectively.

What is the average humidity in July in Lahti?

The average relative humidity in July in Lahti, Finland, is 73%.

What is the rainiest month in Lahti?

The month with the most rainfall is July, when the rain falls for 14.3 days and typically aggregates up to 46mm (1.81") of precipitation.

How many days does it rain in July in Lahti?

In Lahti, Finland, in July, it is raining for 14.3 days, with typically 46mm (1.81") of accumulated precipitation.

When it does not snow in Lahti?

June through August are months without snowfall.

What is the average length of the day in July in Lahti?

In Lahti, the average day length in July is 18h and 16min.

When are sunrise and sunset in July in Lahti?

On the first day of July in Lahti, sunrise is at 03:48 and sunset at 22:53. On the last day of the month, sunrise is at 04:50 and sunset at 21:57 EEST.

How many hours of sunshine does Lahti have in July?

In Lahti, Finland, the average sunshine duration in July is 10.9h.

What is the month with the highest UV index in Lahti?

July is the month with the highest UV index in Lahti, with an average maximum UV index of 5.

What is the UV index intensity in July in Lahti?

The average daily maximum UV index in July in Lahti is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Lahti, Finland

Average temperature in July - Lahti, Finland
  • Average high temperature in July: 22°C

The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-4.5°C).

  • Average low temperature in July: 12.4°C

The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).

Average pressure in July
Lahti, Finland

Average pressure in July - Lahti, Finland
  • Average pressure in July: 1011.1mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).

Average wind speed in July
Lahti, Finland

Average wind speed in July - Lahti, Finland
  • Average wind speed in July: 9.6km/h

The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in July
Lahti, Finland

Average humidity in July - Lahti, Finland
  • Average humidity in July: 73%

The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).

Average rainfall in July
Lahti, Finland

Average rainfall in July - Lahti, Finland
  • Average rainfall in July: 46mm

The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (24mm).

Average rainfall days in July
Lahti, Finland

Average rainfall days in July - Lahti, Finland
  • Average rainfall days in July: 14.3 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in July
Lahti, Finland

Average snowfall in July - Lahti, Finland
  • Average snowfall in July: 0mm

The month with the highest snowfall is January (196mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in July
Lahti, Finland

Average snowfall days in July - Lahti, Finland
  • Average snowfall days in July: 0 days

The months with the highest number of snowfall days are January and December (18.9 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in July / Average sunshine in July - Lahti, Finland
  • Average daylight in July: 18h and 2min

The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).

  • Average sunshine in July: 10h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).

Average sunshine days in July
Lahti, Finland

Average sunshine days in July - Lahti, Finland
  • Average sunshine days in July: 15.1 days

The months with the most sunshine days are May and August (17.6 days).
The month with the least sunshine days is December (8.4 days).

Average UV index in July
Lahti, Finland

Average UV index in July - Lahti, Finland
  • Average UV index in July: 5

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in July
Lahti, Finland

Average cloud cover in July - Lahti, Finland
  • Average cloud cover in July: 45

The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 44).

Average visibility in July
Lahti, Finland

Average visibility in July - Lahti, Finland
  • Average visibility in July: 9km

The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).

Lahti, Finland

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