Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
The shift from April to May introduces a subtle increase in the average high-temperature, moving from a chilly 9.5°C (49.1°F) to a refreshing 13.8°C (56.8°F). May nights in Höllviken reveal a minor deviation from daytime highs, with a mean low-temperature of 8.9°C (48°F).Humidity
May through August, with an average relative humidity of 75%, are the least humid months in Höllviken.Rainfall
In Höllviken, Sweden, during May, the rain falls for 10.7 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 126.9 rainfall days, and 230mm (9.06") of precipitation is accumulated.Snowfall
In Höllviken, snow does not fall in May through October.Sea temperature
In Höllviken, Sweden, in May, the average water temperature is 9.8°C (49.6°F).Note: With the appropriate swimsuit, one can swim in 9.8°C (49.6°F) even if temperatures dip below 10°C (50°F); otherwise, be ready for cold shock and breath issues. A fleeting swim around 13°C (55.4°F) is distressing.
Daylight
In Höllviken, the average length of the day in May is 16h and 14min.On the first day of May, sunrise is at 05:24 and sunset at 20:45. On the last day of the month, sunrise is at 04:34 and sunset at 21:37 CEST.
Sunshine
In May, the average sunshine in Höllviken is 8.9h.UV index
In Höllviken, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In May, the maximum UV index of 4 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Höllviken?
What are the least humid months in Höllviken?
What is the average humidity in May in Höllviken?
How much does it rain in Höllviken in May?
When it does not snow in Höllviken?
Does it snow in Höllviken in May?
What is the sea water temperature in May in Höllviken?
How many hours of daylight does Höllviken have in May?
When are sunrise and sunset in May in Höllviken?
How many hours of sunshine does Höllviken have in May?
What is the UV index intensity in May in Höllviken?
Average temperature in May
Höllviken, Sweden
- Average high temperature in May: 13.8°C
The warmest months (with the highest average high temperature) are July and August (20.1°C).
The month with the lowest average high temperature is February (2.6°C).
- Average low temperature in May: 8.9°C
The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (0.2°C).
Average pressure in May
Höllviken, Sweden
- Average pressure in May: 1015.5mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.5mbar).
Average wind speed in May
Höllviken, Sweden
- Average wind speed in May: 17.7km/h
The windiest month (with the highest average wind speed) is December (24.5km/h).
The calmest month (with the lowest average wind speed) is June (17.3km/h).
Average humidity in May
Höllviken, Sweden
- Average humidity in May: 75%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are May, June, July and August (75%).
Average rainfall in May
Höllviken, Sweden
- Average rainfall in May: 17mm
The wettest month (with the highest rainfall) is July (28mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in May
Höllviken, Sweden
- Average rainfall days in May: 10.7 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in May
Höllviken, Sweden
- Average snowfall in May: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Höllviken, Sweden
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Höllviken, Sweden
- Average sea temperature in May: 9.8°C
The best month for swimming (with the highest average sea temperature) is August (17.4°C).
The coldest months (with the lowest average sea temperature) are February and March (2.6°C).
Average daylight in May /
Average sunshine in May
Höllviken, Sweden
- Average daylight in May: 16h and 1min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in May
Höllviken, Sweden
- Average sunshine days in May: 18.1 days
The month with the most sunshine days is April (18.8 days).
The month with the least sunshine days is December (11.9 days).
Average UV index in May
Höllviken, Sweden
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Höllviken, Sweden
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Höllviken, Sweden
- Average visibility in May: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
