July weather forecast
Sierki, Poland

July

Weather in July

July is a warm summer month in Sierki, Poland, with an average temperature varying between 24.2°C (75.6°F) and 13.7°C (56.7°F).

Temperature

The months of July and August bring the highest temperatures, averaging a high of 24.2°C (75.6°F).

Humidity

In July, the average relative humidity is 73%.

Rainfall

In Sierki, during July, the rain falls for 20.4 days and regularly aggregates up to 65mm (2.56") of precipitation. In Sierki, Poland, during the entire year, the rain falls for 164.4 days and collects up to 515mm (20.28") of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In July, the average length of the day is 16h and 23min.
On the first day of July, sunrise is at 04:06 and sunset at 20:59. On the last day of the month, sunrise is at 04:45 and sunset at 20:25 CEST.

Sunshine

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

UV index

With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What is the hottest time of year?
Sierki's warmest months, July and August, record an average high-temperature of 24.2°C (75.6°F).
What is the average July temperature?
The high-temperature, in July, in Sierki, is 24.2°C (75.6°F), while the low-temperature averages to 13.7°C (56.7°F).
What is the average humidity in July in Sierki?
The average relative humidity in July is 73%.
How much does it rain in July?
In July, the rain falls for 20.4 days. Throughout July, 65mm (2.56") of precipitation is accumulated.
When it does not snow?
In Sierki, snow does not fall in May through September.
What is the average length of the day in July in Sierki?
The average day length in July is 16h and 23min.
What time are sunrise and sunset in July?
On the first day of July, sunrise is at 04:06 and sunset at 20:59. On the last day of the month, sunrise is at 04:45 and sunset at 20:25 CEST.
How many hours of sunshine does Sierki have in July?
In Sierki, the average sunshine duration in July is 9.4h.
What is the month with the highest UV index?
With an average maximum UV index of 6, July is the month with the highest UV index.
How high is the UV index in July?
In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Sierki, Poland
  • Average high temperature in July: 24.2°C

The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-1.5°C).

  • Average low temperature in July: 13.7°C

The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in July
Sierki, Poland
  • Average pressure in July: 1013.1mbar

The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).

Average wind speed in July
Sierki, Poland
  • Average wind speed in July: 10.5km/h

The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).

Average humidity in July
Sierki, Poland
  • Average humidity in July: 73%

The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).

Average rainfall in July
Sierki, Poland
  • Average rainfall in July: 65mm

The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in July
Sierki, Poland
  • Average rainfall days in July: 20.4 days

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in July
Sierki, Poland
  • Average snowfall in July: 0mm

The month with the highest snowfall is January (192mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in July
Sierki, Poland
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Sierki, Poland
  • Average daylight in July: 16h and 2min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in July: 9h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 12min).

Average sunshine days in July
Sierki, Poland
  • Average sunshine days in July: 8.3 days

The month with the most sunshine days is October (15.5 days).
The months with the least sunshine days are January and February (6.8 days).

Average UV index in July
Sierki, Poland
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in July
Sierki, Poland
  • Average cloud cover in July: 41

The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in July
Sierki, Poland
  • Average visibility in July: 9km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).

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