May weather forecast
Hjälstaby, Sweden

May

Weather in May

May, the last month of the spring in Hjälstaby, is a mild month, with an average temperature fluctuating between 15.5°C (59.9°F) and 6.4°C (43.5°F).

Temperature

With the transition into May, Hjälstaby experiences an increase in average high-temperatures, moving up from a fresh 10.2°C (50.4°F) in April to a mild 15.5°C (59.9°F). In the month of May, Hjälstaby records a consistent average low-temperature of 6.4°C (43.5°F).

Humidity

The least humid month is May, with an average relative humidity of 70%.

Rainfall

In Hjälstaby, during May, the rain falls for 15 days and regularly aggregates up to 38mm (1.5") of precipitation. In Hjälstaby, during the entire year, the rain falls for 147 days and collects up to 396mm (15.59") of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Hjälstaby aggregates 9mm (0.35") of snow. Throughout the year, there are 61 snowfall days, and 484mm (19.06") of snow is accumulated.

Daylight

In May, the average length of the day is 17h and 7min.
On the first day of the month, sunrise is at 04:47 and sunset at 20:47. On the last day of May, sunrise is at 03:43 and sunset at 21:53 CEST.

Sunshine

In May, the average sunshine is 9h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A daily maximum UV index of 4 in May translates into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

What is the temperature in May?
During May, Hjälstaby experiences an average high-temperature of 15.5°C (59.9°F) and a low-temperature of 6.4°C (43.5°F).
What is the least humid month?
May is the least humid month, with an average relative humidity of 70%.
What is the average humidity in May in Hjälstaby?
In May, the average relative humidity in Hjälstaby is 70%.
How much does it rain in May?
In Hjälstaby, in May, during 15 rainfall days, 38mm (1.5") of precipitation is typically accumulated.
What is the last month it snows?
May is the last month it regularly snows. During 0.8 snowfall days, in May, Hjälstaby aggregates 9mm (0.35") of snow.
What is the average length of the day in May?
The average day length in May is 17h and 7min.
When are sunrise and sunset in May in Hjälstaby?
On the first day of May, sunrise is at 04:47 and sunset at 20:47. On the last day of the month, sunrise is at 03:43 and sunset at 21:53 CEST.
How many hours of sunshine does Hjälstaby have in May?
The average sunshine duration in May in Hjälstaby is 9h.
How high is the UV index in May?
In Hjälstaby, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Hjälstaby, Sweden
  • Average high temperature in May: 15.5°C

The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-1.1°C).

  • Average low temperature in May: 6.4°C

The month with the highest average low temperature is July (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (-4.8°C).

Average pressure in May
Hjälstaby, Sweden
  • Average pressure in May: 1014.7mbar

The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).

Average wind speed in May
Hjälstaby, Sweden
  • Average wind speed in May: 12.1km/h

The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest months (with the lowest average wind speed) are July and August (11.2km/h).

Average humidity in May
Hjälstaby, Sweden
  • Average humidity in May: 70%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (70%).

Average rainfall in May
Hjälstaby, Sweden
  • Average rainfall in May: 38mm

The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in May
Hjälstaby, Sweden
  • Average rainfall days in May: 15 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (6.6 days).

Average snowfall in May
Hjälstaby, Sweden
  • Average snowfall in May: 9mm

The month with the highest snowfall is December (110mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May
Hjälstaby, Sweden
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Hjälstaby, 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 6min).

  • Average sunshine in May: 9h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

Average sunshine days in May
Hjälstaby, Sweden
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (10.3 days).

Average UV index in May
Hjälstaby, 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
Hjälstaby, Sweden
  • Average cloud cover in May: 45

The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June, July and August (Cloud cover 42).

Average visibility in May
Hjälstaby, 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).

englishespañol中文
Share