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
October
Weather in October
Temperature
The shift from September to October involves a decrease in the average high-temperature, dropping from a mild 14.9°C (58.8°F) to a chilly 9.7°C (49.5°F). Houtskär notes a consistent average low-temperature of 7.9°C (46.2°F) during October nights.Humidity
The months with the lowest humidity are August through October, with an average relative humidity of 78%.Rainfall
In October, the rain falls for 14.6 days. Throughout October, 35mm (1.38") of precipitation is accumulated. In Houtskär, 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. 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.Sea temperature
In Houtskär, the average seawater temperature in October is 6.3°C (43.3°F).Note: Swimming at temperatures less than 10°C (50°F) in 6.3°C (43.3°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
Daylight
The average length of the day in October is 10h and 7min.On the first day of the month, sunrise is at 07:41 and sunset at 19:06 EEST. On the last day of October, sunrise is at 07:56 and sunset at 16:39 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 Houtskär, the average sunshine in October is 4.4h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In October, a regular UV index of 3 translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures?
What are the least humid months?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
How cold is the water in October?
What is the average length of the day in October?
What time are sunrise and sunset in October?
When does Daylight Saving Time (DST) end in October?
How long on average sun shines in October?
How high is the UV index in October?
Average temperature in October
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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 sea temperature in October
Houtskär, Finland
- Average sea temperature in October: 6.3°C
The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (-0.2°C).
Average daylight in October /
Average sunshine in October
Houtskär, Finland
- Average daylight in October: 10h and 1min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- 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
Houtskär, 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
Houtskär, 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
Houtskär, 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
Houtskär, 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).
