October Weather in Tonsberg, Norway

Last updated: August 27, 2025

In October, Tønsberg, Norway, experiences a transition into autumn with a maximum temperature reaching 16°C (62°F) and an average temperature of 9°C (49°F), dipping to a chilly minimum of -1°C (31°F). This month is marked by high humidity levels at 92%, creating damp conditions. Rainfall is significant, with a total of 157 mm (6.2 in) spread over approximately 16 days, making it a notably wet time of year. Visitors should prepare for a variety of weather, embracing the crisp, fresh air typical of the season.

October Temperature in Tonsberg

In October, Tønsberg experiences a noticeable transition as summer yields to autumn, with temperatures dipping to a minimum of -1°C (31°F) and reaching a comfortable maximum of 16°C (62°F). The average temperature of 9°C (49°F) marks a shift from the balmy conditions of September, which had an average of 14°C (57°F). This month is characterized by chilly mornings and crisp afternoons, inviting locals to don warmer layers as the days grow shorter. As the vibrant hues of fall foliage emerge, October offers a beautiful backdrop for outdoor activities, even as the cooler weather hints at the impending winter months ahead.

October Weather in Tonsberg: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Tonsberg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonsberg, October typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec343337445262656357494135
Data source: Temperature data for Tonsberg generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Tonsberg

October marks a significant shift in the precipitation patterns of Tønsberg, Norway, with rainfall hitting 157 mm (6.2 in), the highest amount recorded this month. This increase is part of a broader trend, as October typically sees a rise in precipitation compared to the preceding months. The number of rainy days also peaks this month, averaging 16 days, further highlighting the transition into the wetter season. Following September's already substantial 137 mm (5.4 in) of rain, October’s wetness underscores the arrival of more persistent autumn weather, paving the way for the cool, drizzly days that characterize the months ahead. As temperatures cool, residents can expect the wet season to continue, making October a key month for understanding the region's climate dynamics.

October Precipitation Trends in Tonsberg

The chart displays monthly precipitation patterns in Tonsberg, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Tonsberg, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7076733574858585137157131119
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Tonsberg

As autumn settles in Tonsberg, Norway, October experiences a notable increase in humidity, reaching 92%, maintaining the trend of high moisture levels typical for this time of year. Following a slight dip in the summer months, where humidity levels hovered around 71% to 77%, October sees a resurgence that aligns closely with the wetness of September and the approaching winter months. This gradual return to higher humidity mirrors the transition from the crispness of autumn to the chill of winter, when humidity levels remain consistently high, averaging 93% in both November and December. Such humidity levels contribute to the rich, atmospheric feel of Tonsberg as it moves deeper into the colder seasons.

October Average Humidity in Tonsberg

This chart illustrates the average monthly humidity levels in Tonsberg, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Tonsberg is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Tonsberg

In October, Tonsberg, Norway experiences a UV Index of 2, placing it in the low exposure category with a burn time of approximately 45 minutes. This marks a slight decrease from the moderate levels seen in the summer months, reflecting the transition into autumn. As the days grow shorter and the sun's intensity diminishes, residents can enjoy the outdoors with minimal sun protection. The UV Index has shown a clear progression throughout the year, peaking at 7 during July and August, before tapering off in the fall. For those looking to stay informed about the sun's strength throughout the year, visit Tonsberg UV Index for the latest updates.

Maximum UV Index Levels in Tonsberg for October

The chart shows the monthly maximum UV Index (UVI) for Tonsberg in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Tonsberg typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Tonsberg October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Tonsberg

In Tønsberg, Norway, the arrival of October brings a gentle decline in sunlight, offering 238 hours of radiant exposure. As the vibrant hues of autumn begin to paint the landscape, this month showcases a significant drop compared to the 291 hours observed in September. The light gradually wanes as the year progresses, with summer months like July boasting a remarkable 475 hours, shining brightly in contrast to the darker winter months ahead. October's sunlight serves as a bridge, reminding us of the warmth of summer while preparing for the shorter days of late autumn and winter. As such, this month stands as a beautiful transition, embodying the serenity of nature's cycle.

Monthly Sunshine Duration in Tonsberg: October Highlighted

The October sunshine duration represents the total number of hours Tonsberg experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec93h182h289h372h428h464h475h412h291h238h137h101h
Data source: Tonsberg October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tonsberg During October

As October arrives in Tønsberg, Norway, the likelihood of sunny weather dips to 32%, reflecting a continuation of the trend towards shorter, cloudier days as autumn progresses. This percentage is reminiscent of the sunny chances in May and aligns closely with the figures in January and September, suggesting that while the month has its share of clear skies, it is often overshadowed by overcast days. Following a brief peak in April at 58%, the overall trend indicates a gradual decline in sunlight as winter looms, making those rare sunny days in October all the more precious. Enjoying the fleeting autumn light becomes a delightful treasure hunt in this charming coastal town.

Percentage of Sunny Days in October in Tonsberg

The chart illustrates the percentage of sunny days in Tonsberg throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Tonsberg experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%37%45%58%32%42%47%42%28%32%23%28%
Data source: Tonsberg October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tonsberg in October

As autumn settles in Tønsberg, Norway, October brings a notable shift in daylight duration, with the sun gracing the skies for about 10 hours each day. This marks a gradual decline from the vibrant summer months of June and July, which basked in nearly 18 hours of daylight. The transition is evident as daylight wanes from September's 12 hours, hinting at the colder months ahead. The pattern showcases the rhythmic dance of the seasons: following the long, bright days of spring and summer, October serves as a bridge into the shorter days of winter, reflecting nature's cyclic rhythm and how it affects daily life in this coastal town.

Average Daylight Hours in Tonsberg for October

The chart illustrates the variation in daylight duration in Tonsberg throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 59m9h 14m11h 52m14h 32m17h18h 25m17h 39m15h 22m12h 46m10h 7m7h 38m6h 13m
Data source: Tonsberg daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Tonsberg

As autumn settles in, October brings a refreshing change to Tønsberg, Norway, with average wind speeds rising to 5.3 m/s (12 mph), making it the windiest month of the year. This invigorating breeze follows a gradual decline in wind intensity during the warmer months, where the calmest days of summer saw speeds dip below 4 m/s. However, as September transitions into October, the winds pick up again, reflecting nature's shift toward the colder season. This noticeable increase not only stirs the falling leaves but also heralds the impending winter, offering a vibrant reminder of the seasonal cycles that characterize Norway's enchanting climate.

Average October Wind Speed in Tonsberg

The chart displays monthly wind speed patterns in Tonsberg, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.64.64.24.13.73.63.43.83.95.3 m/s4.64.1
Data source: Tonsberg October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Tonsberg Compares to Other Months

Weather in Tonsberg varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Tonsberg, focusing on differences in temperature, rainfall, humidity, and UV levels.

October and January present quite distinct weather patterns. In October, temperatures range from a minimum of -1°C (31°F) to a maximum of 16°C (62°F), with an average of 9°C (49°F). The month is characterized by relatively high precipitation, totaling 157 mm (6.2 in) over about 16 days, and humidity levels standing at 92%. In contrast, January is colder, with temperatures dipping to a minimum of -11°C (12°F) and peaking at 11°C (51°F), averaging around 1°C (34°F). This month sees significantly less rainfall, accumulating only 70 mm (2.8 in) over 10 days, though humidity remains slightly higher at 94%. For more detailed insights on January weather, check Tonsberg weather in January.

October and February showcase contrasting weather patterns. October experiences milder temperatures, ranging from a minimum of -1°C (31°F) to a maximum of 16°C (62°F), with an average of 9°C (49°F). It also sees significant precipitation, totaling 157 mm (6.2 in) over 16 days, coupled with high humidity at 92%. In contrast, February is colder, with temperatures dropping as low as -12°C (11°F) and only reaching a maximum of 9°C (48°F), averaging around 0°C (33°F). Precipitation in February is lower at 76 mm (3.0 in) across 11 days, yet humidity remains constant at 92%. For more details on February weather, visit Tonsberg weather in February.

While both October and March experience relatively cool temperatures, March tends to be chillier overall, with average temperatures hovering around 3°C (37°F) compared to October's average of 9°C (49°F). In October, the weather is characterized by higher temperatures, reaching a maximum of 16°C (62°F), while March has a higher minimum temperature of -12°C (11°F). Precipitation is more frequent in October, with 157 mm falling over 16 days, compared to March’s 73 mm over only 10 days. Humidity levels are slightly higher in October at 92%, as opposed to March's 89%. For more details about the weather in March, visit Tonsberg weather in March.

When comparing the weather in October and April, notable differences emerge. October features a milder average temperature of 9°C (49°F) with maximum highs reaching 16°C (62°F), while April, although slightly cooler on average at 6°C (44°F), can experience higher peaks of up to 20°C (68°F). Precipitation is considerably higher in October, totaling 157 mm (6.2 in) over 16 days, compared to April's modest 35 mm (1.4 in) spread over just 5 days. Additionally, October has a higher humidity level at 92%, in contrast to April's 82%. For more specifics on April weather, visit Tonsberg weather in April.

October and May present contrasting weather patterns, reflecting the transition from autumn to spring. In October, temperatures range from a chilly -1°C (31°F) during the night to a mild 16°C (62°F) by day, with an average of 9°C (49°F). This month sees significant rainfall, accumulating to 157 mm (6.2 in) over 16 days, resulting in high humidity levels at 92%. In contrast, May offers much warmer conditions, with temperatures starting at a minimum of 2°C (36°F) and peaking at 27°C (81°F), averaging around 11°C (53°F). The precipitation also decreases to 74 mm (2.9 in) over 10 days, along with a more comfortable humidity of 73%. For a closer look at May's climate in Tonsberg, you can check out Tonsberg weather in May.

In comparison to June, October experiences significantly cooler temperatures, with averages around 9°C (49°F) and highs peaking at 16°C (62°F), while June boasts warmer conditions with minimums of 7°C (45°F) and an average of 17°C (62°F) reaching up to 27°C (82°F). Additionally, October sees much higher precipitation, totaling 157 mm (6.2 in) over 16 days, compared to June's 85 mm (3.3 in) spread over just 11 days. The humidity in October is notably higher at 92%, leading to a much dampened atmosphere than the pleasantly moderate 71% humidity experienced in June. For those looking to explore the delightful summer conditions, Tonsberg weather in June provides a great overview.

The weather in October contrasts sharply with that of July, showcasing the transition from warm summer days to the chill of autumn. In July, temperatures range from a minimum of 10°C (51°F) to a comfortable average of 18°C (65°F), peaking at a delightful 31°C (88°F). On the other hand, October experiences much cooler conditions, with temperatures dipping as low as -1°C (31°F) and averaging around 9°C (49°F), with a maximum of just 16°C (62°F). Additionally, October brings significantly more precipitation, averaging 157 mm (6.2 in) over 16 days, compared to July's 85 mm (3.4 in) across 10 days, making October feel much wetter. Humidity levels are also higher in October at 92%, compared to July's 72%. For more details, you can check Tonsberg weather in July.

When comparing the weather in October and August, it’s clear that October brings significantly cooler temperatures, with an average of 9°C (49°F) compared to August's warmer average of 17°C (63°F). While August enjoys milder conditions and less rainfall, with only 85 mm (3.3 in) falling over 12 days, October experiences nearly double the precipitation at 157 mm (6.2 in) spread over 16 days. Additionally, October's humidity is much higher at 92%, creating a damp and chilly atmosphere, unlike August's more comfortable humidity level of 77%. For a deeper dive into August weather specifics, check out Tonsberg weather in August.

October weather is significantly cooler than September, with average temperatures dropping from 14°C (57°F) to just 9°C (49°F). The minimum temperature in October can dip to -1°C (31°F), while September remains milder with a minimum of 6°C (43°F). Additionally, October experiences higher precipitation, totaling 157 mm (6.2 in) over 16 days, compared to September's 137 mm (5.4 in) over 14 days. The humidity also increases in October, reaching an average of 92%, compared to 86% in September. For a more detailed comparison, you can refer to Tonsberg weather in September.

October and November present a noticeable transition in weather conditions. October typically sees milder temperatures with a minimum of -1°C (31°F) and an average of 9°C (49°F), peaking at around 16°C (62°F). The month experiences considerable precipitation, averaging 157 mm (6.2 in) over 16 days, along with high humidity levels at 92%. In contrast, November becomes cooler, with minimum temperatures dropping to -5°C (24°F) and an average temperature of 5°C (42°F), reaching a maximum of 14°C (57°F). While precipitation decreases slightly to 131 mm (5.2 in) over 15 days, the humidity remains high at 93%. This shift marks the onset of winter's chill, yet November still retains significant moisture. For more detailed insights, visit Tonsberg weather in November.

October and December showcase distinct shifts in weather, marked by lower temperatures and different precipitation patterns. In October, temperatures range from a minimum of -1°C (31°F) to a maximum of 16°C (62°F), with an average temperature of 9°C (49°F). This month also experiences relatively high precipitation at 157 mm (6.2 in) over 16 days, coupled with a humidity level of 92%. In contrast, December sees colder temperatures with a minimum of -8°C (19°F) and an average of only 2°C (35°F), reaching a maximum of 9°C (49°F). Precipitation slightly decreases to 119 mm (4.7 in) over 17 days, and humidity remains high at 93%. Overall, while October is characterized by milder temperatures and greater rainfall, December brings more chill and a slightly drier atmosphere. For more detailed information, you can check Tonsberg weather in December.

Compare Tonsberg's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Tonsberg

As October unfolds in Tønsberg, the transition to cooler temperatures becomes evident, with days that frequently hover around 9°C. Unlike the milder months that precede it, October sees an increase in precipitation, contributing to a notable 92% humidity level, which sets the scene for a distinctly autumnal atmosphere. The 16 days of rain not only add to the month’s overall chill but also paint the landscape in vibrant fall colors, making it a unique time of year for both locals and visitors. Embrace the beauty of October's weather changes, and learn more about the city’s climate patterns by exploring Tonsberg Climate.