May weather forecast and climate
Sulejewo, Poland

May, the last month of the spring, in Sulejewo, is a comfortable month, with average temperature varying between 19.2°C (66.6°F) and 8.4°C (47.1°F).

Temperature

In Sulejewo, the average high-temperature slightly increases, from a mild 15.4°C (59.7°F) in April, to a comfortable 19.2°C (66.6°F). In May, the average low-temperature is 8.4°C (47.1°F).

Humidity

In May, the average relative humidity is 72%.

Rainfall

In Sulejewo, during May, the rain falls for 17.5 days and regularly aggregates up to 55mm (2.17") of precipitation. In Sulejewo, Poland, during the entire year, the rain falls for 166.7 days and collects up to 444mm (17.48") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Sulejewo. May is the last month it regularly snows. During 0.1 snowfall days, in May, Sulejewo aggregates 10mm (0.39") of snow. In Sulejewo, during the entire year, snow falls for 42.1 days, and aggregates up to 322mm (12.68") of snow.

Daylight

In May, the average length of the day is 15.7h.

Sunshine

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

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in May in Sulejewo?

In Sulejewo, Poland, in May, the average high-temperature is 19.2°C (66.6°F), and the average low-temperature is 8.4°C (47.1°F).

What is the average humidity in May in Sulejewo?

In May, the average relative humidity is 72%.

How much does it rain in Sulejewo in May?

In Sulejewo, in May, it is raining for 17.5 days, with typically 55mm (2.17") of accumulated precipitation.

What is the last month it snows in Sulejewo?

May is the last month it regularly snows in Sulejewo, Poland. During 0.1 snowfall days, in May, Sulejewo aggregates 10mm (0.39") of snow.

What is the average length of the day in May in Sulejewo?

In Sulejewo, the average length of the day in May is 15.7h.

How many hours of sunshine does Sulejewo have in May?

In May, the average sunshine is 9.1h.

What is the UV index reading in May in Sulejewo?

In May, the average daily maximum UV index in Sulejewo, Poland, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.
Average temperature in May - Sulejewo, Poland
  • Average high temperature in May: 19.2°C

The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in May: 8.4°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

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

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (65%).

Average rainfall in May - Sulejewo, Poland
  • Average rainfall in May: 55mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is November (18mm).

Average rainfall days in May - Sulejewo, Poland
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is February (9.7 days).

Average snowfall in May - Sulejewo, Poland
  • Average snowfall in May: 10mm

The month with the highest snowfall is January (118mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (14.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Sulejewo, Poland
  • Average daylight in May: 15.7h

The month with the longest days is June (Average daylight: 16.7h).
The month with the shortest days is December (Average daylight: 7.8h).

  • Average sunshine in May: 9.1h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 3.4h).

Average UV index in May - Sulejewo, Poland
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).