Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
With the onset of October, Riga experiences a modest temperature adjustment, with the average high-temperature receding from a comfortable 16.8°C (62.2°F) in September to a chilly 9.7°C (49.5°F). Riga maintains an average low-temperature of 5.5°C (41.9°F) throughout October's nights.Humidity
In October, the average relative humidity is 81%.Rainfall
In Riga, in October, during 14.3 rainfall days, 42mm (1.65") of precipitation is typically accumulated. In Riga, during the entire year, the rain falls for 142 days and collects up to 382mm (15.04") of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 7mm (0.28") of snow. Throughout the year, there are 52.2 snowfall days, and 327mm (12.87") of snow is accumulated.Sea temperature
In Riga, Latvia, in October, the average water temperature is 11°C (51.8°F).Note: Unprotected swimming in 11°C (51.8°F) is dangerous due to potential cold shock. Especially when temperatures go below 10°C (50°F), leading to hyperventilation.
Daylight
In October, the average length of the day is 10h and 21min.On the first day of the month, sunrise is at 07:28 and sunset at 18:57 EEST. On the last day of October, in Riga, sunrise is at 07:32 and sunset at 16:41 EET.
Note: On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 03:00; consequently, the time zone reverts from EET to EEST.
Sunshine
In Riga, the average sunshine in October is 4h.UV index
The average daily maximum UV index in October in Riga is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 during October leads to these advisories:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What are October temperatures in Riga?
What is the average humidity in October in Riga?
How many days does it rain in October in Riga?
When does it start to snow in Riga?
What is the water temperature in October in Riga?
What is the average length of the day in October in Riga?
When are sunrise and sunset in October in Riga?
When does Daylight Saving Time (DST) end in October in Riga?
How many hours of sunshine does Riga have in October?
What is the UV index reading in October in Riga?
Average temperature in October
Riga, Latvia
- Average high temperature in October: 9.7°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 October: 5.5°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 October
Riga, Latvia
- Average pressure in October: 1016.1mbar
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 October
Riga, Latvia
- Average wind speed in October: 17km/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 October
Riga, Latvia
- Average humidity in October: 81%
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 October
Riga, Latvia
- Average rainfall in October: 42mm
The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in October
Riga, Latvia
- Average rainfall days in October: 14.3 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 October
Riga, Latvia
- Average snowfall in October: 7mm
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 October
Riga, Latvia
- Average snowfall days in October: 0.6 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 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).
The 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: 10h and 2min
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 October: 4h
The month with the most sunshine is June (Average sunshine: 11h).
The month with the least sunshine is December (Average sunshine: 2h).
Average sunshine days in October
Riga, Latvia
- Average sunshine days in October: 14 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 October
Riga, Latvia
- Average UV index in October: 2
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 October
Riga, Latvia
- Average cloud cover in October: 57
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 October
Riga, Latvia
- Average visibility in October: 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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