May weather forecast
Riga, Latvia

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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

Weather in May

May in Riga can be best described as the middle ground between spring and summer. Weather patterns follow a consistently warming trend, getting noticeably warmer and sunnier. The city experiences a transition from rain showers to sun showers, but remains the wettest month with 29mm (1.14") of rainfall. With the increase in temperature, the city's parks and gardens flourish with blooming flowers, making it the ideal time for outdoor activities. The longer daylight hours provide ample opportunity to explore the city thoroughly.

Temperature

In Riga, the average high-temperature in May increases from a frosty 9.3°C (48.7°F) in April to a mild 15.4°C (59.7°F). In the month of May, Riga's average low-temperature falls to a frosty 7.7°C (45.9°F).

Humidity

With an average relative humidity of 72%, May is the least humid month.

Rainfall

In Riga, in May, it is raining for 12.4 days, with typically 29mm (1.14") of accumulated precipitation. In Riga, during the entire year, the rain falls for 142 days and collects up to 382mm (15.04") of precipitation.

Snowfall

May through September are months without snowfall in Riga, Latvia.

Sea temperature

In May, the average sea temperature is 5°C (41°F).
Note: You can swim in 5°C (41°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 13°C (55.4°F) without it is tough.

Daylight

In May, the average length of the day in Riga is 16h and 31min.
On the first day of the month, sunrise is at 05:34 and sunset at 21:07. On the last day of May, in Riga, sunrise is at 04:39 and sunset at 22:03 EEST.

Sunshine

In Riga, Latvia, the average sunshine in May is 9.5h.

UV index

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In May, the maximum UV index of 4 suggests these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To cut down UV radiation exposure by about half, sport a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

What are the temperatures in Riga in May?

In May, the average high-temperature and low-temperature in Riga are 15.4°C (59.7°F) and 7.7°C (45.9°F) respectively.

What is the least humid month in Riga?

May is the least humid month in Riga, Latvia, with an average relative humidity of 72%.

What is the average humidity in May in Riga?

In Riga, the average relative humidity in May is 72%.

How many days does it rain in May in Riga?

In Riga, in May, it is raining for 12.4 days, with typically 29mm (1.14") of accumulated precipitation.

When it does not snow in Riga?

In Riga, snow does not fall in May through September.

Does it snow in Riga in May?

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

What is the sea water temperature in May in Riga?

In May, the average sea 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.

What is the average length of the day in May in Riga?

In Riga, Latvia, the average day length in May is 16h and 31min.

When are sunrise and sunset in May in Riga?

On the first day of May, sunrise is at 05:34 and sunset at 21:07. On the last day of the month, sunrise is at 04:39 and sunset at 22:03 EEST.

How many hours of sunshine does Riga have in May?

The average sunshine duration in May is 9.5h.

What is the UV index intensity in May in Riga?

The average daily maximum UV index in May in Riga is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Riga, Latvia

Average temperature in May - Riga, Latvia
  • Average high temperature in May: 15.4°C

The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in May: 7.7°C

The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).

Average pressure in May
Riga, Latvia

Average pressure in May - Riga, Latvia
  • Average pressure in May: 1015.5mbar

The month with the highest atmospheric pressure is October (1016.1mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).

Average wind speed in May
Riga, Latvia

Average wind speed in May - Riga, Latvia
  • Average wind speed in May: 13.1km/h

The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest month (with the lowest average wind speed) is May (13.1km/h).

Average humidity in May
Riga, Latvia

Average humidity in May - Riga, Latvia
  • Average humidity in May: 72%

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (72%).

Average rainfall in May
Riga, Latvia

Average rainfall in May - Riga, Latvia
  • Average rainfall in May: 29mm

The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in May
Riga, Latvia

Average rainfall days in May - Riga, Latvia
  • Average rainfall days in May: 12.4 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (6 days).

Average snowfall in May
Riga, Latvia

Average snowfall in May - Riga, Latvia
  • Average snowfall in May: 0mm

The month with the highest snowfall is January (84mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in May
Riga, Latvia

Average snowfall days in May - Riga, Latvia
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in May
Riga, Latvia

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).
The 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 / Average sunshine in May - Riga, Latvia
  • Average daylight in May: 16h and 3min

The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 54min).

  • Average sunshine in May: 9h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).

Average sunshine days in May
Riga, Latvia

Average sunshine days in May - Riga, Latvia
  • Average sunshine days in May: 16.4 days

The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is December (10.1 days).

Average UV index in May
Riga, Latvia

Average UV index in May - Riga, Latvia
  • Average UV index in May: 4

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

Average cloud cover in May
Riga, Latvia

Average cloud cover in May - Riga, Latvia
  • Average cloud cover in May: 39

The month with the most cloud cover is December (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in May
Riga, Latvia

Average visibility in May - Riga, Latvia
  • Average visibility in May: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and February (8km).

Riga, Latvia

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