May weather forecast
Sigtuna, Sweden

May

Weather in May

May, the last month of the spring in Sigtuna, is a moderate month, with an average temperature fluctuating between 6.3°C (43.3°F) and 15.1°C (59.2°F).

Temperature

May brings an increase in the average high-temperature, progressing from a chilly 9.7°C (49.5°F) in April to a moderate 15.1°C (59.2°F). May witnesses an average low-temperature hovering around a chilly 6.3°C (43.3°F).

Humidity

With an average relative humidity of 71%, May is the least humid month.

Rainfall

In May, in Sigtuna, the rain falls for 14.8 days. Throughout May, 36mm (1.42") of precipitation is accumulated. Throughout the year, in Sigtuna, there are 141.1 rainfall days, and 377mm (14.84") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Sigtuna. May is the last month it regularly snows. During 0.5 snowfall days, in May, Sigtuna aggregates 7mm (0.28") of snow. Throughout the year, there are 49.9 snowfall days, and 368mm (14.49") of snow is accumulated.

Daylight

In May, the average length of the day in Sigtuna is 17h and 6min.
On the first day of May, sunrise is at 04:46 and sunset at 20:45. On the last day of the month, sunrise is at 03:42 and sunset at 21:51 CEST.

Sunshine

In May, the average sunshine is 9.3h.

UV index

In Sigtuna, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 4 during May morphs into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

What is the average May temperature in Sigtuna?
Sigtuna in May has an average high-temperature of 15.1°C (59.2°F) and an average low-temperature of 6.3°C (43.3°F).
What is the least humid month in Sigtuna?
May is the least humid month in Sigtuna, Sweden, with an average relative humidity of 71%.
What is the average humidity in May in Sigtuna?
In Sigtuna, the average relative humidity in May is 71%.
How many days does it rain in May in Sigtuna?
In May, the rain falls for 14.8 days. Throughout May, 36mm (1.42") of precipitation is accumulated.
What is the last month it snows in Sigtuna?
May is the last month it regularly snows. During 0.5 snowfall days, in May, Sigtuna aggregates 7mm (0.28") of snow.
How many hours of daylight does Sigtuna have in May?
In May, the average day length is 17h and 6min.
When are sunrise and sunset in May in Sigtuna?
On the first day of May in Sigtuna, sunrise is at 04:46 and sunset at 20:45. On the last day of the month, sunrise is at 03:42 and sunset at 21:51 CEST.
How long on average sun shines in May in Sigtuna?
In Sigtuna, the average sunshine duration in May is 9.3h.
What is the UV index intensity in May in Sigtuna?
In May, the average daily maximum UV index in Sigtuna, Sweden, 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 - Sigtuna, Sweden
Average temperature in May
Sigtuna, Sweden
  • Average high temperature in May: 15.1°C

The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-0.9°C).

  • Average low temperature in May: 6.3°C

The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).

Average pressure in May - Sigtuna, Sweden
Average pressure in May
Sigtuna, 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 (1007.6mbar).

Average wind speed in May - Sigtuna, Sweden
Average wind speed in May
Sigtuna, Sweden
  • Average wind speed in May: 12.5km/h

The windiest month (with the highest average wind speed) is December (16.2km/h).
The calmest months (with the lowest average wind speed) are July and August (11.5km/h).

Average humidity in May - Sigtuna, Sweden
Average humidity in May
Sigtuna, Sweden
  • Average humidity in May: 71%

The months with the highest relative humidity are January, February and December (89%).
The month with the lowest relative humidity is May (71%).

Average rainfall in May - Sigtuna, Sweden
Average rainfall in May
Sigtuna, Sweden
  • Average rainfall in May: 36mm

The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in May - Sigtuna, Sweden
Average rainfall days in May
Sigtuna, Sweden
  • Average rainfall days in May: 14.8 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (5.4 days).

Average snowfall in May - Sigtuna, Sweden
Average snowfall in May
Sigtuna, Sweden
  • Average snowfall in May: 7mm

The month with the highest snowfall is February (99mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May - Sigtuna, Sweden
Average snowfall days in May
Sigtuna, Sweden
  • Average snowfall days in May: 0.5 days

The month with the highest number of snowfall days is February (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Sigtuna, Sweden
Average daylight in May /
Average sunshine in May
Sigtuna, Sweden
  • Average daylight in May: 17h and 1min

The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

Average sunshine days in May - Sigtuna, Sweden
Average sunshine days in May
Sigtuna, Sweden
  • Average sunshine days in May: 13.1 days

The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is July (10.7 days).

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

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

Average cloud cover in May - Sigtuna, Sweden
Average cloud cover in May
Sigtuna, Sweden
  • Average cloud cover in May: 44

The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 39).

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

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).

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