May weather forecast
Oleszna, Poland

May

Weather in May

The last month of the spring, May, is an enjoyable month in Oleszna, Poland, with an average temperature fluctuating between 17.3°C (63.1°F) and 7.2°C (45°F).

Temperature

Oleszna's weather shows a minor temperature rise with the arrival of May, moving from a moderate 14°C (57.2°F) in April to an enjoyable 17.3°C (63.1°F). During May, the average low-temperature is a chilly 7.2°C (45°F).

Humidity

The average relative humidity in May is 76%.

Rainfall

The month with the most rainfall is May, when the rain falls for 17.8 days and typically aggregates up to 57mm (2.24") of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Oleszna aggregates 9mm (0.35") of snow. Throughout the year, in Oleszna, there are 31.6 snowfall days, and 266mm (10.47") of snow is accumulated.

Daylight

In Oleszna, the average length of the day in May is 15h and 32min.
On the first day of May, sunrise is at 05:25 and sunset at 20:14. On the last day of the month, sunrise is at 04:44 and sunset at 20:56 CEST.

Sunshine

In May, the average sunshine is 9h.

UV index

The average daily maximum UV index in May in Oleszna, Poland, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In May, the maximum UV index of 4 transforms into these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

What are May temperatures in Oleszna?
In May, the average high-temperature and low-temperature in Oleszna are 17.3°C (63.1°F) and 7.2°C (45°F) respectively.
What is the average humidity in May in Oleszna?
In May, the average relative humidity is 76%.
What is the wettest month in Oleszna?
May is the month with the most rainfall in Oleszna. Rain falls for 17.8 days and accumulates 57mm (2.24") of precipitation.
How many days does it rain in May in Oleszna?
In May, the rain falls for 17.8 days. Throughout May, 57mm (2.24") of precipitation is accumulated.
What is the last month it snows in Oleszna?
May is the last month it regularly snows in Oleszna. During 0.3 snowfall days, in May, Oleszna aggregates 9mm (0.35") of snow.
How many hours of daylight does Oleszna have in May?
The average day length in May is 15h and 32min.
What time are sunrise and sunset in May in Oleszna?
In May, on the first day of the month, sunrise is at 05:25 and sunset at 20:14. On the last day of the month, in Oleszna, Poland, sunrise is at 04:44 and sunset at 20:56 CEST.
How long on average sun shines in May in Oleszna?
In Oleszna, the average sunshine duration in May is 9h.
What is the UV index intensity in May in Oleszna?
The average daily maximum UV index in May in Oleszna, Poland, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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 May
Oleszna, Poland
  • Average high temperature in May: 17.3°C

The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (0.6°C).

  • Average low temperature in May: 7.2°C

The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in May
Oleszna, Poland
  • Average pressure in May: 1015.5mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).

Average wind speed in May
Oleszna, Poland
  • Average wind speed in May: 10.9km/h

The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

Average humidity in May
Oleszna, Poland
  • Average humidity in May: 76%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (69%).

Average rainfall in May
Oleszna, Poland
  • Average rainfall in May: 57mm

The wettest month (with the highest rainfall) is May (57mm).
The driest month (with the least rainfall) is February (17mm).

Average rainfall days in May
Oleszna, Poland
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are January and February (6 days).

Average snowfall in May
Oleszna, Poland
  • Average snowfall in May: 9mm

The month with the highest snowfall is January (72mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Oleszna, Poland
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Oleszna, Poland
  • Average daylight in May: 15h and 3min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in May
Oleszna, Poland
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is October (19 days).
The months with the least sunshine days are May and June (10.8 days).

Average UV index in May
Oleszna, Poland
  • Average UV index in May: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in May
Oleszna, Poland
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in May
Oleszna, Poland
  • Average visibility in May: 9km

The month with the highest visibility is August (10km).
The months with the lowest visibility are January and February (8km).

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