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
October's onset brings a slight change in high-temperatures, falling from a refreshing 16.5°C (61.7°F) in September to a chilly 9.7°C (49.5°F). Night temperatures during October experience a slight downturn, averaging a wintry 5.1°C (41.2°F).Humidity
In October, the average relative humidity is 83%.Rainfall
October is the month with the most rainfall. Rain falls for 13.6 days and accumulates 41mm (1.61") 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 0.6 snowfall days, it receives 4mm (0.16") of snow. In Trosa, Sweden, during the entire year, snow falls for 57.2 days and aggregates up to 427mm (16.81") of snow.Sea temperature
In Trosa, in October, the average water temperature is 9.9°C (49.8°F).Note: Swimming at temperatures less than 10°C (50°F) in 9.9°C (49.8°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
In October, the average length of the day is 10h and 13min.On the first day of October, sunrise is at 06:55 and sunset at 18:22 CEST. On the last day of the month, sunrise is at 07:06 and sunset at 16:00 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.
Sunshine
In Trosa, the average sunshine in October is 4.2h.UV index
In Trosa, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 2 in October, converts into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in October?
What is the average humidity in October?
What is the rainiest month?
How many days does it rain in October in Trosa?
When does it start to snow?
How cold is the water in October?
How many hours of daylight does Trosa have in October?
When are sunrise and sunset in October?
When does Daylight Saving Time (DST) end in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Trosa, Sweden
- Average high temperature in October: 9.7°C
The warmest month (with the highest average high temperature) is July (22.1°C).
The month with the lowest average high temperature is January (-0.6°C).
- Average low temperature in October: 5.1°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in October
Trosa, Sweden
- Average pressure in October: 1014.2mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in October
Trosa, Sweden
- Average wind speed in October: 14.1km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in October
Trosa, Sweden
- Average humidity in October: 83%
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is May (70%).
Average rainfall in October
Trosa, Sweden
- Average rainfall in October: 41mm
The wettest month (with the highest rainfall) is October (41mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in October
Trosa, Sweden
- Average rainfall days in October: 13.6 days
The months with the highest number of rainy days are July and August (14.6 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in October
Trosa, Sweden
- Average snowfall in October: 4mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in October
Trosa, Sweden
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in October
Trosa, Sweden
- Average sea temperature in October: 9.9°C
The best month for swimming (with the highest average sea temperature) is August (18.7°C).
The coldest month (with the lowest average sea temperature) is February (1°C).
Average daylight in October /
Average sunshine in October
Trosa, Sweden
- Average daylight in October: 10h and 1min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in October: 4h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in October
Trosa, Sweden
- Average sunshine days in October: 13.5 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in October
Trosa, Sweden
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Trosa, Sweden
- Average cloud cover in October: 56
The months with the most cloud cover are February and December (Cloud cover 67).
The months with the least cloud cover are June, July and August (Cloud cover 40).
Average visibility in October
Trosa, Sweden
- Average visibility in October: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
