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
October's arrival in Sundsvall corresponds with a decrease in average high-temperatures, from September's moderate 14°C (57.2°F) to a frosty 7.1°C (44.8°F). In Sundsvall, the month of October brings a consistent average low-temperature of 2.3°C (36.1°F), slightly cooler than its daytime highs.Humidity
In October, the average relative humidity in Sundsvall is 82%.Rainfall
In Sundsvall, in October, during 9.8 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Sundsvall, there are 117.2 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Sundsvall, Sweden. Throughout October, in the average 2.2 snowfall days, it receives 19mm (0.75") of snow. In Sundsvall, during the entire year, snow falls for 70.7 days and aggregates up to 908mm (35.75") of snow.Sea temperature
In October, the average sea temperature in Sundsvall, Sweden, is 8°C (46.4°F).Note: Swimming in 8°C (46.4°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
Daylight
In October, the average length of the day in Sundsvall, Sweden, is 9h and 55min.On the first day of the month, sunrise is at 06:59 and sunset at 18:21 CEST. On the last day of October, sunrise is at 07:22 and sunset at 15:45 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
The average sunshine in October is 4.7h.UV index
In Sundsvall, Sweden, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In October, the UV index of 2 transforms into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What are the temperatures in Sundsvall in October?
What is the average humidity in October in Sundsvall?
How many days does it rain in October in Sundsvall?
When does it start snowing in Sundsvall?
How cold is the water in October in Sundsvall?
How many hours of daylight does Sundsvall have in October?
When is the sunrise / sunset in October in Sundsvall?
When does Daylight Saving Time (DST) end in October in Sundsvall?
How many hours of sunshine does Sundsvall have in October?
How high is the UV index in October in Sundsvall?
Average temperature in October
Sundsvall, Sweden
- Average high temperature in October: 7.1°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-3°C).
- Average low temperature in October: 2.3°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-6.9°C).
Average pressure in October
Sundsvall, Sweden
- Average pressure in October: 1012.8mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.9mbar).
Average wind speed in October
Sundsvall, Sweden
- Average wind speed in October: 11km/h
The windiest month (with the highest average wind speed) is January (11.9km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).
Average humidity in October
Sundsvall, Sweden
- Average humidity in October: 82%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (66%).
Average rainfall in October
Sundsvall, Sweden
- Average rainfall in October: 36mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in October
Sundsvall, Sweden
- Average rainfall days in October: 9.8 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in October
Sundsvall, Sweden
- Average snowfall in October: 19mm
The month with the highest snowfall is January (217mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in October
Sundsvall, Sweden
- Average snowfall days in October: 2.2 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in October
Sundsvall, Sweden
- Average sea temperature in October: 8°C
The best month for swimming (with the highest average sea temperature) is August (15°C).
The coldest months (with the lowest average sea temperature) are January, February and March (1°C).
Average daylight in October /
Average sunshine in October
Sundsvall, Sweden
- Average daylight in October: 9h and 5min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in October: 4h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in October
Sundsvall, Sweden
- Average sunshine days in October: 17.6 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is February (12.5 days).
Average UV index in October
Sundsvall, Sweden
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in October
Sundsvall, Sweden
- Average cloud cover in October: 52
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in October
Sundsvall, Sweden
- Average visibility in October: 9km
The months with the highest visibility are April, May, June, July, August and October (9km).
The months with the lowest visibility are January, February and March (7km).
Sundsvall, Sweden
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