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

April 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
April in Riga, Latvia, is a chilly spring month, with average temperature ranging between min 1°C (33.8°F) and max 9.8°C (49.6°F).

Temperature

In April, the average high-temperature increases, from a wintry 2.7°C (36.9°F) in March, to a chilly 9.8°C (49.6°F). The average low-temperature, is 1°C (33.8°F).

Humidity

In April, the average relative humidity in Riga, Latvia, is 69.7%.

Rainfall

In Riga, it is raining for 11 days, with typically 41.1mm (1.6") of accumulated precipitation. Throughout the year, in Riga, Latvia, there are 185.7 rainfall days, and 621.9mm (24.5") of precipitation is accumulated.

Sea temperature

In April, the average sea temperature is 3°C (37.4°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

Daylight

In Riga, the average length of the day is 14.3h.

Sunshine

In April, the average sunshine in Riga is 6.1h.

UV index

In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 April in Riga?

In Riga, in April, the average high-temperature is 9.8°C (49.6°F), and the average low-temperature is 1°C (33.8°F).

What is the average humidity in April in Riga?

The average relative humidity in April is 69.7%.

How much does it rain in Riga in April?

In Riga, Latvia, in April, during 11 rainfall days, 41.1mm (1.6") of precipitation is typically accumulated.

What is the water temperature in April in Riga?

In April, the average sea temperature in Riga, Latvia, is 3°C (37.4°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

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

In Riga, Latvia, the average length of the day in April is 14.3h.

How many hours of sunshine does Riga have in April?

The average sunshine in April is 6.1h.

What is the UV index intensity in April in Riga?

In April, the average daily maximum UV index in Riga is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in April - Riga, Latvia
  • Average high temperature in April: 9.8°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 April: 1°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 April - Riga, Latvia
  • Average humidity in April: 69.7%

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 April - Riga, Latvia
  • Average rainfall in April: 41.1mm

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 April - Riga, Latvia
  • Average rainfall days in April: 11 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 April - Riga, Latvia
  • Average sea temperature in April: 3°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 April / Average sunshine in April - Riga, Latvia
  • Average daylight in April: 14.3h

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 April: 6.1h

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 April - Riga, Latvia
  • Average UV index in April: 3

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).