October Weather in Grachen, Switzerland

Last updated: August 27, 2025

In October, Grachen, Switzerland, experiences a vivid interplay of autumn beauty and crisp temperatures. With a maximum of 16°C (61°F) and an average temperature hovering around 4°C (39°F), the days start to welcome the chill of the season. Nights can dip dramatically to a minimum of -8°C (18°F), reminding visitors of the approaching winter. Rainfall is a defining feature, with approximately 148 mm (5.8 in) of precipitation spread across 11 days, fostering a lush, changing landscape. The air is laden with 90% humidity, creating a refreshing atmosphere perfect for enjoying the breathtaking fall foliage and tranquil surroundings.

October Temperature in Grachen

In October, Grachen, Switzerland, showcases a transition into the chillier months, with temperatures steadily dropping as winter approaches. The minimum temperature hovers around a brisk -8°C (18°F), while the average settles at a cool 4°C (39°F), peaking at a pleasant 16°C (61°F) during the day. This month marks a significant shift from the warmer September, where temperatures were more mild, particularly with a maximum of 21°C (70°F). As the leaves change colors and the landscape transforms, visitors can expect refreshing coolness, perfect for outdoor adventures amidst the breathtaking autumn scenery. The character of Grachen in October is a captivating blend of early winter's crisp embrace while still holding onto a hint of autumn's warmth.

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

The chart illustrates October temperature patterns in Grachen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grachen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec142126344151555447382717
Data source: Temperature data for Grachen generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Grachen

In October, Grachen, Switzerland, experiences a notable uptick in precipitation, with an impressive total of 148 mm (5.8 in) falling over 11 days. This marks a significant increase compared to the preceding months, making October one of the wetter times of the year. The consistent rainfall paves the way for the stunning autumn foliage, as the vibrant colors emerge against the backdrop of the drip of falling rain. Transitioning from the dry spells of summer, the precipitation levels set the stage for the snowy months ahead, highlighting a typical trend of increased moisture as the region prepares for winter.

October Precipitation Trends in Grachen

The chart displays monthly precipitation patterns in Grachen, 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 Grachen, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec125821098914913010811989148109170
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Grachen

In October, Grachen, Switzerland, experiences a notable rise in humidity, reaching 90%, a figure that ties with both January and December for the highest of the year. This increase is part of a broader trend where the region's humidity begins to bounce back in the fall, following a relatively stable summer with levels around 80%. The months prior to October, particularly September with 83%, hint at this upward shift, as the crisp autumn air brings moisture back into the atmosphere. This seasonal pattern highlights the transition from the dry warmth of summer to the wet chill of winter, immersing Grachen in a refreshing, albeit damp, October ambiance.

October Average Humidity in Grachen

This chart illustrates the average monthly humidity levels in Grachen, 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 Grachen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Grachen

As the seasons shift in Grachen, Switzerland, October brings a UV Index of 6, categorizing it as high exposure with a burn time of 25 minutes. This marks a gradual decline from the peak summer months, where the UV Index reached its maximum of 11 in June. Notably, while October's index indicates increased sun protection is still necessary, it's less intense than the highs of summer and early fall. As daylight diminishes and temperatures drop, residents and visitors alike should remain vigilant while enjoying the stunning autumn scenery. For more detailed insights into UV levels throughout the year, check out Grachen UV Index.

Maximum UV Index Levels in Grachen for October

The chart shows the monthly maximum UV Index (UVI) for Grachen 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 Grachen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347810111097632
Data source: Grachen 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 Grachen

In October, Grachen, Switzerland, enjoys a vibrant transition into autumn, recording 288 hours of sunlight—a notable decline from the peak summer months but still pleasantly bright compared to the winter ahead. This month marks a shift as days grow shorter; however, October's sunshine lingers longer than in November and December, maintaining a cozy ambiance for both residents and visitors. Following a spectacular 360 hours in May and the sun-soaked heights of 416 hours in July, October's light provides a warm hug before the chill of winter sets in. As fall paints the scenery in rich hues, the enduring sunshine serves as a reminder of summer's farewell, inviting you to bask in the last rays before the snowy season takes hold.

Monthly Sunshine Duration in Grachen: October Highlighted

The October sunshine duration represents the total number of hours Grachen 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.
JanFebMarAprMayJunJulAugSepOctNovDec176h234h303h355h360h388h416h383h323h288h232h202h
Data source: Grachen October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grachen During October

In Grachen, Switzerland, October brings a moderate likelihood of sunny weather, with a 38% chance of sunshine gracing the region. This is a noticeable increase when compared to the preceding months, particularly September, which sees only a 25% chance of clear skies. Interestingly, October's sun probabilities also echo trends seen in early spring months like March and April, where sunshine emerges more frequently after the winter chill. As the year progresses into fall, Grachen offers a refreshing blend of crisp air and bright days, making it an inviting destination for those seeking the last rays of autumn sun before winter sets in.

Percentage of Sunny Days in October in Grachen

The chart illustrates the percentage of sunny days in Grachen 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 Grachen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%37%42%40%30%24%31%37%25%38%28%37%
Data source: Grachen October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grachen in October

In October, Grachen, Switzerland experiences a notable transition as daylight begins to wane, offering about 10 hours of daylight. This decrease is part of a broader trend, where the days gradually elongate from the depths of winter with just 9 hours in January, peaking at a vibrant 15 hours in June and July. As autumn sets in, a gentle reduction follows, with daylight slipping from 12 hours in September to October's more subdued 10 hours. This gradual yet consistent decline continues through November and December, culminating in the shortest days of the year. Overall, Grachen's daylight duration showcases the rhythmic beauty of the seasons, inviting residents and visitors alike to relish the softer light of autumn.

Average Daylight Hours in Grachen for October

The chart illustrates the variation in daylight duration in Grachen throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 3m10h 20m11h 56m13h 34m14h 59m15h 42m15h 19m14h 4m12h 29m10h 51m9h 25m8h 39m
Data source: Grachen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Grachen

As autumn settles in Grachen, Switzerland, the October wind brings a gentle breeze with an average speed of 1.3 m/s (3 mph), slightly higher than the summer months. This increase heralds a shift from the notably calmer winds of September, where the speed dipped to 0.9 m/s (2 mph). Throughout the year, wind speeds have generally remained consistent, hovering around 1.0 to 1.4 m/s in the colder months. October's winds foreshadow the chillier November and December, which maintain a similar comfort level, suggesting a cozy transition into winter. The patterns reveal that while October isn't the most blustery month, it offers just enough of a refreshing gust to remind visitors of the beauty of nature's change.

Average October Wind Speed in Grachen

The chart displays monthly wind speed patterns in Grachen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.41.11.11.21.01.01.10.91.3 m/s1.21.3
Data source: Grachen October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Grachen Compares to Other Months

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

October and January present stark contrasts in weather conditions. In October, temperatures range from a chilly -8°C (18°F) at their lowest to a mild average of 4°C (39°F), peaking at a comfortable 16°C (61°F). With 148 mm (5.8 in) of precipitation over 11 days and a humidity level of 90%, the atmosphere feels damp and crisp. In contrast, January experiences much colder temperatures, with lows plummeting to -27°C (-17°F) and an average of -10°C (15°F), only reaching as high as 5°C (41°F). Although January sees slightly less precipitation at 125 mm (4.9 in) over the same number of days, the humidity remains high at 92%. For more detailed information, you can check Grachen weather in January.

October and February showcase striking contrasts in weather patterns. In October, temperatures typically range from a chilly -8°C (18°F) at night to a milder 16°C (61°F) during the day, with an average of around 4°C (39°F). The month sees considerable precipitation, with around 148 mm (5.8 in) falling over approximately 11 days, and humidity levels high at 90%. In contrast, February experiences more extreme cold, with temperatures dipping as low as -24°C (-10°F) and averaging -6°C (22°F), peaking at 9°C (48°F). Despite having slightly less overall precipitation at 82 mm (3.2 in) over 12 days, the humidity remains similarly high at 89%. For more detailed insights, check the Grachen weather in February.

When comparing the weather in October and March, significant differences emerge in temperature and precipitation patterns. October experiences milder temperatures, with an average of 4°C (39°F), while March is notably colder, averaging -3°C (27°F). The minimum temperature in March can plummet to -25°C (-12°F), making it more frigid than October, where the lowest temperature is -8°C (18°F). Precipitation levels are reasonably close, with October receiving 148 mm (5.8 in) over 11 days and March having 109 mm (4.3 in) over 15 days. Despite the slight variance in rainfall, the humidity remains relatively high in both months at around 90% in October and 87% in March. For more detailed weather insights, you can refer to Grachen weather in March.

When comparing the weather in October and April, we see some notable differences. In October, temperatures range from a minimum of -8°C (18°F) to a maximum of 16°C (61°F), with an average temperature of 4°C (39°F). The month experiences a higher precipitation level of 148 mm (5.8 in) over approximately 11 days and maintains a humidity rate of 90%. In contrast, April has a slightly colder range, with temperatures going from -17°C (2°F) to 15°C (59°F) and an average of 1°C (34°F). With 89 mm (3.5 in) of precipitation also spread across 11 days, it has lower humidity at 84%. For more insights on the specific weather conditions in April, you can check out Grachen weather in April.

In comparing the weather of October and May, October typically presents a milder temperature range with an average of 4°C (39°F) and a maximum of 16°C (61°F), while May, although slightly cooler on average at 5°C (41°F), can reach a comfortable high of 20°C (67°F). Precipitation levels are quite similar, with October receiving 148 mm (5.8 in) over about 11 days and May accumulating 149 mm (5.9 in) over 20 days, indicating that May is wetter, albeit without a significant increase in total rainfall. Additionally, October’s humidity is higher at 90%, compared to May’s 80%, contributing to a different feel in the atmosphere. For more details on May’s weather, you can check Grachen weather in May.

October and June present contrasting weather patterns in terms of temperature and precipitation. In October, the temperatures range from a chilly -8°C (18°F) at night to a milder 16°C (61°F) during the day, with an average of just 4°C (39°F). The month experiences significant precipitation with 148 mm (5.8 in) over 11 days, contributing to high humidity levels of 90%. In contrast, June offers warmer conditions, with temperatures varying from -3°C (26°F) at night to a pleasant maximum of 26°C (78°F) during the day, averaging 11°C (51°F). Although June has slightly less precipitation at 130 mm (5.1 in) over 17 days, the humidity is lower at 82%. For a closer look at the weather in June, visit Grachen weather in June.

In October, temperatures drop significantly compared to July, with minimums reaching -8°C (18°F) and an average of 4°C (39°F), while July enjoys milder conditions, with lows around 0°C (33°F) and an average of 13°C (55°F). Maximum temperatures in October peak at 16°C (61°F), whereas in July, they can rise to 25°C (76°F). October also brings higher precipitation levels at 148 mm (5.8 in) over 11 days, compared to July's 108 mm (4.2 in) spread across 16 days, indicating that rainfall is often heavier but less frequent in October. Additionally, the humidity is slightly higher in October at 90%, compared to 83% in July. For a closer look at July's weather, you can visit Grachen weather in July.

In comparing the weather of October and August, October tends to be significantly cooler, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 16°C (61°F), while August enjoys milder temperatures averaging between 0°C (33°F) at night and 24°C (76°F) during the day. Furthermore, October experiences more substantial precipitation, totaling 148 mm (5.8 in) over 11 rainy days, compared to August, which has 119 mm (4.7 in) spread across 16 days, indicating that rain is more frequent in the latter month. Additionally, October’s higher humidity level at 90% creates a damp chill in the air, contrasting with the more comfortable humidity of 80% in August. For a closer look at the weather specifics for August, you can refer to Grachen weather in August.

October typically features cooler temperatures compared to September, with daily averages dropping from 8°C (47°F) in September to 4°C (39°F) in October. The maximum temperature also sees a noticeable decline, from 21°C (70°F) in September to just 16°C (61°F) in October, while the minimum temperature dips slightly lower. Precipitation is higher in October, reaching 148 mm (5.8 in) over 11 days, compared to the 89 mm (3.5 in) and 13 days in September. Additionally, October enjoys a higher humidity level of 90%, compared to September's 83%, contributing to a noticeably different feel during the transition from autumn to winter. For more insights into September weather conditions, check out Grachen weather in September.

In October, temperatures range from a chilly minimum of -8°C (18°F) to a milder maximum of 16°C (61°F), with an average of 4°C (39°F). The month experiences significant precipitation, totaling 148 mm (5.8 in) over just 11 days, while humidity remains high at 90%. In contrast, November sees an even colder climate, where temperatures can plummet to a minimum of -23°C (-10°F) and only peak at 12°C (55°F), with an average temperature of -3°C (27°F). Although precipitation decreases to 109 mm (4.3 in) over 15 days, humidity slightly lowers to 88%. For more specific weather insights during this time, you can refer to Grachen weather in November.

October and December exhibit stark contrasts in weather patterns. In October, the temperatures range from a minimum of -8°C (18°F) to a mild maximum of 16°C (61°F), with an average of 4°C (39°F). This month also experiences considerable precipitation, totaling 148 mm (5.8 in) over approximately 11 days, accompanied by a high humidity level of 90%. In contrast, December brings much colder temperatures, with lows plunging to -28°C (-18°F) and a maximum of only 5°C (42°F), averaging at -8°C (17°F). Precipitation increases to 170 mm (6.7 in) spread across 17 days, while humidity remains steady at 90%. The significant drop in temperature and increase in precipitation days highlights the transition from autumn to winter. For more details on December weather, you can check Grachen weather in December.

Compare Grachen's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Grachen

As October settles into Grachen, the transition to autumn becomes evident with its cooler temperatures and increased precipitation. With an average of just 4°C, this month feels notably chillier compared to the warmer summer months, while the occasional dips to -8°C remind us that winter's approach is imminent. The significant rainfall—averaging about 148 mm over 11 days—facilitates a lush transformation in landscapes, making the scenery beautifully vibrant. Coupled with a high humidity level of 90%, October's weather marks a stark contrast to the dry and mild months preceding it. For more insights on Grachen's weather patterns, visit Grachen Climate.