May weather forecast
Opalenie, Poland

May

Weather in May

The last month of the spring, May, is an enjoyable month in Opalenie, Poland, with an average temperature fluctuating between 7.5°C (45.5°F) and 18.2°C (64.8°F).

Temperature

Opalenie experiences a minor temperature shift with the start of May, with average high-temperatures moving from a moderate 13.9°C (57°F) in April to a comfortable 18.2°C (64.8°F). Throughout May, the average low-temperature dips to a frosty 7.5°C (45.5°F).

Humidity

The average relative humidity in May is 72%.

Rainfall

In May, in Opalenie, the rain falls for 12.2 days. Throughout May, 38mm (1.5") of precipitation is accumulated. Throughout the year, in Opalenie, Poland, there are 124.3 rainfall days, and 298mm (11.73") of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Opalenie aggregates 3mm (0.12") of snow. Throughout the year, there are 35.9 snowfall days, and 206mm (8.11") of snow is accumulated.

Daylight

In May, the average length of the day in Opalenie is 15h and 58min.
On the first day of the month, sunrise is at 05:07 and sunset at 20:15. On the last day of May, in Opalenie, sunrise is at 04:21 and sunset at 21:03 CEST.

Sunshine

In May, the average sunshine in Opalenie is 9.1h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index in Opalenie. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 5 in May transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What is the usual temperature for Opalenie in May?
The high-temperature in Opalenie during May is 18.2°C (64.8°F) and the low-temperature is 7.5°C (45.5°F).
What is the average humidity in May in Opalenie?
In May, the average relative humidity in Opalenie is 72%.
How much does it rain in Opalenie in May?
In May, in Opalenie, the rain falls for 12.2 days. Throughout May, 38mm (1.5") of precipitation is accumulated.
What is the last month it snows in Opalenie?
May is the last month it regularly snows. During 0.1 snowfall days, in May, Opalenie aggregates 3mm (0.12") of snow.
What is the average length of the day in May in Opalenie?
The average day length in May is 15h and 58min.
When are sunrise and sunset in May in Opalenie?
On the first day of May in Opalenie, Poland, sunrise is at 05:07 and sunset at 20:15. On the last day of the month, sunrise is at 04:21 and sunset at 21:03 CEST.
How long on average sun shines in May in Opalenie?
The average sunshine duration in May in Opalenie is 9.1h.
What are the months with the highest UV index in Opalenie?
May through August, with an average maximum UV index of 5, are months with the highest UV index in Opalenie.
What is the UV index intensity in May in Opalenie?
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health risk 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 - Opalenie, Poland
Average temperature in May
Opalenie, Poland
  • Average high temperature in May: 18.2°C

The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.2°C).

  • Average low temperature in May: 7.5°C

The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).

Average pressure in May - Opalenie, Poland
Average pressure in May
Opalenie, Poland
  • Average pressure in May: 1015.5mbar

The month with the highest atmospheric pressure is October (1017.1mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).

Average wind speed in May - Opalenie, Poland
Average wind speed in May
Opalenie, Poland
  • Average wind speed in May: 12km/h

The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).

Average humidity in May - Opalenie, Poland
Average humidity in May
Opalenie, Poland
  • Average humidity in May: 72%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (68%).

Average rainfall in May - Opalenie, Poland
Average rainfall in May
Opalenie, Poland
  • Average rainfall in May: 38mm

The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (11mm).

Average rainfall days in May - Opalenie, Poland
Average rainfall days in May
Opalenie, Poland
  • Average rainfall days in May: 12.2 days

The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in May - Opalenie, Poland
Average snowfall in May
Opalenie, Poland
  • Average snowfall in May: 3mm

The month with the highest snowfall is January (74mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in May - Opalenie, Poland
Average snowfall days in May
Opalenie, Poland
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Opalenie, Poland
Average daylight in May /
Average sunshine in May
Opalenie, Poland
  • Average daylight in May: 16h and 0min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in May: 9h and 1min

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 0min).

Average sunshine days in May - Opalenie, Poland
Average sunshine days in May
Opalenie, Poland
  • Average sunshine days in May: 16.8 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is February (13 days).

Average UV index in May - Opalenie, Poland
Average UV index in May
Opalenie, Poland
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and November (UV index 1).

Average cloud cover in May - Opalenie, Poland
Average cloud cover in May
Opalenie, Poland
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May - Opalenie, Poland
Average visibility in May
Opalenie, Poland
  • Average visibility in May: 9km

The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).

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