May weather forecast
Nyköping, Sweden

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Weather in May

The last month of the spring, May, is a moderate month in Nyköping, Sweden, with an average temperature fluctuating between 13.5°C (56.3°F) and 6.6°C (43.9°F).

Temperature

As Nyköping, Sweden, welcomes May, the average high-temperature displays a subtle shift, adjusting from a frosty 8.6°C (47.5°F) in April to a moderate 13.5°C (56.3°F). Nyköping, during May, witnesses an average low-temperature of 6.6°C (43.9°F).

Humidity

May and June, with an average relative humidity of 73%, are the least humid months in Nyköping, Sweden.

Rainfall

In May, in Nyköping, the rain falls for 14.3 days. Throughout May, 31mm (1.22") of precipitation is accumulated. In Nyköping, Sweden, during the entire year, the rain falls for 144.2 days and collects up to 380mm (14.96") of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Nyköping. During 0.7 snowfall days, in May, Nyköping aggregates 4mm (0.16") of snow. In Nyköping, during the entire year, snow falls for 43.5 days and aggregates up to 249mm (9.8") of snow.

Sea temperature

In May, the average sea temperature is 7.8°C (46°F).
Note: Beware of 7.8°C (46°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health.

Daylight

In May, the average length of the day in Nyköping is 16h and 54min.
On the first day of May in Nyköping, sunrise is at 04:54 and sunset at 20:43. On the last day of the month, sunrise is at 03:52 and sunset at 21:46 CEST.

Sunshine

In Nyköping, the average sunshine in May is 9.2h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 4 transforms into these recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding the Sun during its peak radiation time around midday is a healthy practice. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What are May temperatures in Nyköping?

The average high-temperature, in May, in Nyköping, is 13.5°C (56.3°F), while the average low-temperature is 6.6°C (43.9°F).

What are the least humid months in Nyköping?

The months with the lowest humidity are May and June, with an average relative humidity of 73%.

What is the average humidity in May in Nyköping?

The average relative humidity in May in Nyköping is 73%.

How much does it rain in Nyköping in May?

In Nyköping, Sweden, in May, during 14.3 rainfall days, 31mm (1.22") of precipitation is typically accumulated.

What is the last month it snows in Nyköping?

May is the last month it regularly snows. During 0.7 snowfall days, in May, Nyköping aggregates 4mm (0.16") of snow.

How cold is the water in May in Nyköping?

In May, the average sea temperature in Nyköping is 7.8°C (46°F). Swimming in 7.8°C (46°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

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

The average day length in May in Nyköping is 16h and 54min.

When are sunrise and sunset in May in Nyköping?

On the first day of May in Nyköping, Sweden, sunrise is at 04:54 and sunset at 20:43. On the last day of the month, sunrise is at 03:52 and sunset at 21:46 CEST.

How long on average sun shines in May in Nyköping?

The average sunshine duration in May in Nyköping, Sweden, is 9.2h.

How high is the UV index in May in Nyköping?

In Nyköping, Sweden, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Nyköping, Sweden

Average temperature in May - Nyköping, Sweden
  • Average high temperature in May: 13.5°C

The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (0.3°C).

  • Average low temperature in May: 6.6°C

The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

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Average pressure in May
Nyköping, Sweden

Average pressure in May - Nyköping, Sweden
  • Average pressure in May: 1014.8mbar

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

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Average wind speed in May
Nyköping, Sweden

Average wind speed in May - Nyköping, Sweden
  • Average wind speed in May: 13.6km/h

The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is July (13.4km/h).

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Average humidity in May
Nyköping, Sweden

Average humidity in May - Nyköping, Sweden
  • Average humidity in May: 73%

The months with the highest relative humidity are January, February, November and December (87%).
The months with the lowest relative humidity are May and June (73%).

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Average rainfall in May
Nyköping, Sweden

Average rainfall in May - Nyköping, Sweden
  • Average rainfall in May: 31mm

The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (17mm).

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Average rainfall days in May
Nyköping, Sweden

Average rainfall days in May - Nyköping, Sweden
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in May
Nyköping, Sweden

Average snowfall in May - Nyköping, Sweden
  • Average snowfall in May: 4mm

The month with the highest snowfall is February (66mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in May
Nyköping, Sweden

Average snowfall days in May - Nyköping, Sweden
  • Average snowfall days in May: 0.7 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Nyköping, Sweden

Average sea temperature in May - Nyköping, Sweden
  • Average sea temperature in May: 7.8°C

The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (1.2°C).

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Average daylight in May /
Average sunshine in May
Nyköping, Sweden

Average daylight in May / Average sunshine in May - Nyköping, Sweden
  • Average daylight in May: 16h and 5min

The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).

  • Average sunshine in May: 9h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).

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Average sunshine days in May
Nyköping, Sweden

Average sunshine days in May - Nyköping, Sweden
  • Average sunshine days in May: 13.9 days

The month with the most sunshine days is April (15.2 days).
The month with the least sunshine days is February (11.8 days).

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Average UV index in May
Nyköping, Sweden

Average UV index in May - Nyköping, Sweden
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Nyköping, Sweden

Average cloud cover in May - Nyköping, Sweden
  • Average cloud cover in May: 42

The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are June and August (Cloud cover 37).

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Average visibility in May
Nyköping, Sweden

Average visibility in May - Nyköping, Sweden
  • Average visibility in May: 9km

The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).

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Nyköping, Sweden

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