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 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
Onset of October comes with a temperature decline, the average high falling from a moderate 14.9°C (58.8°F) in September to a chilly 9.7°C (49.5°F). Nighttime temperatures hover around an average low of 7.9°C (46.2°F) in October, a slight descent from daytime highs.Humidity
August through October, with an average relative humidity of 78%, are the least humid months in Karlby, Finland.Rainfall
In Karlby, in October, during 14.6 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Karlby, during the entire year, the rain falls for 132.5 days and collects up to 310mm (12.2") of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows in Karlby, Finland. Throughout October, in the average 0.4 snowfall days, it receives 2mm (0.08") of snow. In Karlby, during the entire year, snow falls for 38.5 days and aggregates up to 160mm (6.3") of snow.Daylight
The average length of the day in October is 10h and 8min.On the first day of October in Karlby, sunrise is at 07:43 and sunset at 19:08 EEST. On the last day of the month, sunrise is at 07:56 and sunset at 16:42 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 Karlby, the average sunshine in October is 4.4h.UV index
In Karlby, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 3 in October transforms into the following instructions:
Take precautions - Protection against sun damage is advised. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What is the temperature in October in Karlby?
What is the least humid month in Karlby?
What is the average humidity in October in Karlby?
How much does it rain in Karlby in October?
When does it start snowing in Karlby?
What is the average length of the day in October in Karlby?
What time are sunrise and sunset in October in Karlby?
When does Daylight Saving Time (DST) end in October in Karlby?
How long on average sun shines in October in Karlby?
How high is the UV index in October in Karlby?
Average temperature in October
Karlby, Finland
- Average high temperature in October: 9.7°C
The warmest month (with the highest average high temperature) is August (18.1°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in October: 7.9°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-1.7°C).
Average pressure in October
Karlby, Finland
- Average pressure in October: 1014mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in October
Karlby, Finland
- Average wind speed in October: 29.6km/h
The windiest month (with the highest average wind speed) is December (34.1km/h).
The calmest month (with the lowest average wind speed) is July (21.2km/h).
Average humidity in October
Karlby, Finland
- Average humidity in October: 78%
The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August, September and October (78%).
Average rainfall in October
Karlby, Finland
- Average rainfall in October: 35mm
The wettest month (with the highest rainfall) is September (38mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in October
Karlby, Finland
- Average rainfall days in October: 14.6 days
The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in October
Karlby, Finland
- Average snowfall in October: 2mm
The month with the highest snowfall is January (41mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in October
Karlby, Finland
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Karlby, Finland
- Average daylight in October: 10h and 1min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in October: 4h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in October
Karlby, Finland
- Average sunshine days in October: 12.5 days
The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is December (8.9 days).
Average UV index in October
Karlby, Finland
- Average UV index in October: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in October
Karlby, Finland
- Average cloud cover in October: 56
The months with the most cloud cover are January and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in October
Karlby, Finland
- Average visibility in October: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
Karlby, Finland
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