May weather forecast and climate
Strömstad, Sweden

Weather in May

May, the last month of the spring, in Strömstad, is a moderate month, with average temperature ranging between max 13.3°C (55.9°F) and min 8.2°C (46.8°F).

Temperature

In May, the average high-temperature slightly increases, from a chilly 8.8°C (47.8°F) in April, to a moderate 13.3°C (55.9°F). In May, in Strömstad, the average low-temperature is 8.2°C (46.8°F).

Humidity

With an average relative humidity of 73%, May is the least humid month in Strömstad.

Rainfall

In May, in Strömstad, the rain falls for 14.6 days. Throughout May, 37mm (1.46") of precipitation is accumulated. Throughout the year, there are 160.3 rainfall days, and 557mm (21.93") of precipitation is accumulated.

Snowfall

In Strömstad, Sweden, snow does not fall through September.

Sea temperature

In Strömstad, the average water temperature is 11.2°C (52.2°F).
Note: Swimming in 11.2°C (52.2°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In May, the average length of the day is 17h.

Sunshine

In Strömstad, the average sunshine in May is 9.7h.

UV index

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the temperature in May in Strömstad?

The average high-temperature, in May, in Strömstad, is 13.3°C (55.9°F), while the average low-temperature is 8.2°C (46.8°F).

What is the least humid month in Strömstad?

With an average relative humidity of 73%, May is the least humid month.

What is the average humidity in May in Strömstad?

The average relative humidity in May in Strömstad, Sweden, is 73%.

How much does it rain in Strömstad in May?

In Strömstad, Sweden, in May, during 14.6 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

Does it snow in Strömstad in May?

In May, in Strömstad, it doesn't snow. April is the latest month when it typically snows.

When it does not snow in Strömstad?

In Strömstad, Sweden, snow does not fall in May through September.

What is the water temperature in May in Strömstad?

In May, the average sea temperature is 11.2°C (52.2°F). Swimming in 11.2°C (52.2°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Strömstad have in May?

The average length of the day in May is 17h.

How long on average sun shines in May in Strömstad?

In May, the average sunshine is 9.7h.

What is the UV index intensity in May in Strömstad?

The average daily maximum UV index in May in Strömstad, Sweden, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in May
Strömstad, Sweden

Average temperature in May - Strömstad, Sweden
  • Average high temperature in May: 13.3°C

The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is February (0.9°C).

  • Average low temperature in May: 8.2°C

Months with the highest average low temperature are July and August (14.3°C).
The coldest month (with the lowest average low temperature) is February (-1.9°C).

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Average pressure in May
Strömstad, Sweden

Average pressure in May - Strömstad, Sweden
  • Average pressure in May: 1014.1mbar

The month with the highest atmospheric pressure is April (1014.3mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

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Average wind speed in May
Strömstad, Sweden

Average wind speed in May - Strömstad, Sweden
  • Average wind speed in May: 16.2km/h

The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is June (16km/h).

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Average humidity in May
Strömstad, Sweden

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

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (73%).

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Average rainfall in May
Strömstad, Sweden

Average rainfall in May - Strömstad, Sweden
  • Average rainfall in May: 37mm

The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is April (25mm).

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Average rainfall days in May
Strömstad, Sweden

Average rainfall days in May - Strömstad, Sweden
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in May
Strömstad, Sweden

Average snowfall in May - Strömstad, Sweden
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (55mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in May
Strömstad, Sweden

Average snowfall days in May - Strömstad, Sweden
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (9.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Strömstad, Sweden

Average sea temperature in May - Strömstad, Sweden
  • Average sea temperature in May: 11.2°C

The best month for swimming (with the highest average sea temperature) is August (18.5°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

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

Average daylight in May / Average sunshine in May - Strömstad, Sweden
  • Average daylight in May: 17h

The month with the longest days is June (Average daylight: 18.4h).
The month with the shortest days is December (Average daylight: 6.3h).

  • Average sunshine in May: 9.7h

The month with the most sunshine is June (Average sunshine: 11.5h).
The month with the least sunshine is December (Average sunshine: 3.3h).

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Average sunshine days in May
Strömstad, Sweden

Average sunshine days in May - Strömstad, Sweden
  • Average sunshine days in May: 14.7 days

The month with the most sunshine days is April (17.3 days).
The month with the least sunshine days is December (10.8 days).

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Average UV index in May
Strömstad, Sweden

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

The month with the highest UV index is 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
Strömstad, Sweden

Average cloud cover in May - Strömstad, Sweden
  • Average cloud cover in May: 40

The month with the most cloud cover is February (Cloud cover 62).
Months with the least cloud cover are June and July (Cloud cover 37).

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Average visibility in May
Strömstad, Sweden

Average visibility in May - Strömstad, Sweden
  • Average visibility in May: 10km

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

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