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
October
Weather in October
Temperature
Transition into October marks a drop in the average high-temperature, moving from a refreshing 14.9°C (58.8°F) in September to a chilly 9.7°C (49.5°F). Consistently, Karlby reports average nighttime temperatures of 7.9°C (46.2°F) during October, a marginal step down from its daytime highs.Humidity
The months with the lowest humidity are August through October, with an average relative humidity of 78%.Rainfall
In October, in Karlby, Finland, the rain falls for 14.6 days. Throughout October, 35mm (1.38") of precipitation is accumulated. In Karlby, Finland, during the entire year, the rain falls for 132.5 days and collects up to 310mm (12.2") of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 38.5 snowfall days, and 160mm (6.3") of snow is accumulated.Daylight
In Karlby, the average length of the day in October is 10h and 8min.On the first day of October, 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
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 reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 3 in October transforms into this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the least humid month?
What is the average humidity in October?
How much does it rain in October?
When does it start snowing?
How many hours of daylight does Karlby have in October?
When is the sunrise / sunset in October?
When does Daylight Saving Time (DST) end in October?
How many hours of sunshine does Karlby have in October?
How high is the UV index in October?
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).
