Riga
Latvia
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Riga, Latvia

A sunny day in Riga, Latvia, with a view of the river and a clear skyscape
A sunny day in Riga, Latvia, with a view of the river and a clear skyscape
May, the last month of the spring, in Riga, is an enjoyable month, with temperature in the range of an average low of 5.9°C (42.6°F) and an average high of 16.2°C (61.2°F).

Temperature

In Riga, the average high-temperature rises, from a chilly 9.8°C (49.6°F) in April, to a comfortable 16.2°C (61.2°F). The average low-temperature, in May, is 5.9°C (42.6°F).

Humidity

With an average relative humidity of 67.7%, May is the least humid month.

Rainfall

In Riga, in May, during 11.8 rainfall days, 42.5mm (1.7") of precipitation is typically accumulated. Throughout the year, in Riga, Latvia, there are 185.7 rainfall days, and 621.9mm (24.5") of precipitation is accumulated.

Sea temperature

In Riga, the average water temperature is 5°C (41°F). Swimming in 5°C (41°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Riga, the average length of the day is 16.5h.

Sunshine

In Riga, Latvia, the average sunshine is 8.5h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for the average person.
The daily maximum UV index of 5 interpret into the following advice:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Riga?

In Riga, in May, the average high-temperature is 16.2°C (61.2°F), and the average low-temperature is 5.9°C (42.6°F).

What is the least humid month in Riga?

With an average relative humidity of 67.7%, May is the least humid month.

What is the average humidity in May in Riga?

In Riga, the average relative humidity in May is 67.7%.

How many days does it rain in May in Riga?

In Riga, Latvia, during May, the rain falls for 11.8 days and regularly aggregates up to 42.5mm (1.7") of precipitation.

What is the water temperature in May in Riga?

In Riga, in May, the average water temperature is 5°C (41°F). Swimming in 5°C (41°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Riga have in May?

In May, the average length of the day is 16.5h.

How long on average sun shines in May in Riga?

In May, the average sunshine is 8.5h.

How high is the UV index in May in Riga?

The average daily maximum UV index in May in Riga, Latvia, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in May - Riga, Latvia
  • Average high temperature in May: 16.2°C

The warmest month (with the highest average high temperature) is July (21.7°C).
The month with the lowest average high temperature is January (-2.3°C).

  • Average low temperature in May: 5.9°C

The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-7.8°C).

Average humidity in May - Riga, Latvia
  • Average humidity in May: 67.7%

The month with the highest relative humidity is November (90.2%).
The month with the lowest relative humidity is May (67.7%).

Average rainfall in May - Riga, Latvia
  • Average rainfall in May: 42.5mm

The wettest month (with the highest rainfall) is September (78.9mm).
The driest month (with the lowest rainfall) is February (27mm).

Average rainfall days in May - Riga, Latvia
  • Average rainfall days in May: 11.8 days

The month with the highest number of rainy days is January (21.5 days).
The month with the lowest number of rainy days is April (11 days).

Average sea temperature in May - Riga, Latvia
  • Average sea temperature in May: 5°C

The best month for swimming (with the highest average sea temperature) is August (17°C).
Coldest months (with the lowest average sea temperature) are February and March (1°C).

Average daylight in May / Average sunshine in May - Riga, Latvia
  • Average daylight in May: 16.5h

The month with the longest days is June (Average daylight: 17.8h).
The month with shortest days is December (Average daylight: 6.9h).

  • Average sunshine in May: 8.5h

The month with most sunshine is June (Average sunshine: 9.6h).
The month with least sunshine is December (Average sunshine: 0.7h).

Average UV index in May - Riga, Latvia
  • Average UV index in May: 5

The month with the highest UV index is June (UV index 6).
Months with the lowest UV index are January, November and December (UV index 0).