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

October 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
October, like September, in Riga, Latvia, is a cool autumn month, with average temperature fluctuating between 10.4°C (50.7°F) and 4°C (39.2°F).

Temperature

In Riga, the average high-temperature decreases, from a comfortable 16.3°C (61.3°F) in September, to a fresh 10.4°C (50.7°F). The average low-temperature, in October, is 4°C (39.2°F).

Humidity

The average relative humidity in Riga is 85.1%.

Rainfall

In Riga, Latvia, during 16 rainfall days, 60.2mm (2.4") 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 seawater temperature is 11°C (51.8°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In October, the average length of the day is 10.3h.

Sunshine

The average sunshine in October is 3h.

UV index

The average daily maximum UV index in Riga is 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
In October, the average maximum UV index of 1 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. 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 October in Riga?

In Riga, in October, the average high-temperature is 10.4°C (50.7°F), and the average low-temperature is 4°C (39.2°F).

What is the average humidity in October in Riga?

In October, the average relative humidity is 85.1%.

How many days does it rain in October in Riga?

In October, the rain falls for 16 days. Throughout October, 60.2mm (2.4") of precipitation is accumulated.

What is the sea water temperature in October in Riga?

In Riga, Latvia, the average seawater temperature in October is 11°C (51.8°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

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

In October, the average length of the day in Riga, Latvia, is 10.3h.

How long on average sun shines in October in Riga?

The average sunshine in October is 3h.

What is the UV index intensity in October in Riga?

In October, the average daily maximum UV index in Riga is 1. A UV Index reading of 2, and below, represents a low health risk from the exposure to the Sun's UV rays.
Average temperature in October - Riga, Latvia
  • Average high temperature in October: 10.4°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 October: 4°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 October - Riga, Latvia
  • Average humidity in October: 85.1%

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 October - Riga, Latvia
  • Average rainfall in October: 60.2mm

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 October - Riga, Latvia
  • Average rainfall days in October: 16 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 October - Riga, Latvia
  • Average sea temperature in October: 11°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 October / Average sunshine in October - Riga, Latvia
  • Average daylight in October: 10.3h

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 October: 3h

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 October - Riga, Latvia
  • Average UV index in October: 1

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).