October Weather in Lake Arrowhead, United States

Last updated: February 24, 2025

In October, Lake Arrowhead experiences a delightful array of weather conditions, offering both warmth and crispness. With a maximum temperature reaching 36°C (97°F) and an average of 18°C (65°F), outdoor enthusiasts can relish in pleasant daytime activities. The month greets cooler evenings, with temperatures dipping to a minimum of 3°C (38°F). Precipitation is minimal, totaling just 8 mm (0.3 in) over only one day, allowing for ample sunshine and clear skies. The humidity level sits comfortably at 54%, creating an inviting atmosphere for both locals and visitors to enjoy the stunning autumn foliage and serene lakeside views.

October Temperature in Lake Arrowhead

In October, Lake Arrowhead experiences a delightful transition from the warmth of summer to the crispness of fall. The temperatures showcase a comfortable range with minimums around 3°C (38°F), average highs reaching about 18°C (65°F), and maximums soaring up to 36°C (97°F). This month marks a notable drop from the sweltering averages seen in September, hinting at the approaching winter while still providing ample opportunity for outdoor activities amidst the vibrant autumn foliage. The shift in weather not only signals cozy sweaters and warm drinks but also invites visitors to explore the scenic trails and serene lakes that this charming destination has to offer.

October Weather in Lake Arrowhead: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Lake Arrowhead, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec484952596373797974645748
Data source: Temperature data for Lake Arrowhead 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 Lake Arrowhead

In Lake Arrowhead, October ushers in the transition to winter with notably low precipitation, amounting to just 8 mm (0.3 in) over only one day of rainfall. This marks a significant decrease from the wetter months earlier in the year, particularly from the 51 mm in January and 56 mm in February. As the fall season progresses, the overall trend shows a steady decline in both the total amount of rain and the frequency of precipitation days; October's solitary storm is a stark contrast to the earlier winter and spring months, hinting at the drier days ahead. With November set to bring a slight increase to 19 mm over two days, the shift toward more pronounced autumn weather is evident, showcasing Lake Arrowhead’s characteristic seasonal rhythm.

October Precipitation Trends in Lake Arrowhead

The chart displays monthly precipitation patterns in Lake Arrowhead, 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.
JanFebMarAprMayJunJulAugSepOctNovDec515653241341211981956
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Lake Arrowhead

As October arrives in Lake Arrowhead, the air begins to cradle a renewed humidity level of 54%, providing a subtle shift from the drier summer months. This uptick is a welcome change after experiencing a low of just 28% in August and July, marking a gradual transition toward the wetter months. Softening the autumn chill, October’s humidity is a noticeable increase from September's 41%, yet it still remains considerably lower than the winter highs. This trend reflects the region's seasonal rhythm—starting with higher humidity in winter months at 76% in January and gradually decreasing to a mid-summer low before gradually rising again. October serves as a reminder of nature’s cycle, blending crisp fall days with a hint of moisture, ideal for experiencing the region's stunning autumn foliage.

October Average Humidity in Lake Arrowhead

This chart illustrates the average monthly humidity levels in Lake Arrowhead, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%69%57%45%34%29%28%42%54%68%75%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Lake Arrowhead

In October, Lake Arrowhead continues to see a notable decline in UV Index levels, registering an index of 8, which falls into the very high exposure category. While this is a significant drop from the peak indices of 12 observed in the heart of summer, it still demands vigilant sun protection, with a burn time of just 15 minutes for unprotected skin. This trend illustrates a gradual decrease in UV intensity as autumn settles in, contrasting sharply with the extreme conditions of earlier months. As the seasons shift, it’s essential to stay informed about sun exposure risks. For more insights, explore the detailed information available at Lake Arrowhead UV Index.

Maximum UV Index Levels in Lake Arrowhead for October

The chart shows the monthly maximum UV Index (UVI) for Lake Arrowhead 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.
JanFebMarAprMayJunJulAugSepOctNovDec469111112121110854
Data source: Lake Arrowhead 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 Lake Arrowhead

As October rolls in, Lake Arrowhead enjoys a cozy retreat from the summer heat, basking in 299 hours of sunshine. This month showcases a charming shift in daylight, as the warm hues of autumn begin to paint the landscape. Although sunshine hours are gradually declining from the 383 hours of July, October still offers a generous dose of brightness compared to the gloomy winter months ahead. The trend reveals a steady decrease in sunshine hours from peak summer, with each month offering a unique farewell to longer days, while also hinting at the impending winter's embrace. With the brilliant fall foliage complemented by the crisp air, October stands out as an ideal time to explore the natural beauty of the region, making the most of its radiant days before the year winds down.

Monthly Sunshine Duration in Lake Arrowhead: October Highlighted

The October sunshine duration represents the total number of hours Lake Arrowhead 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.
JanFebMarAprMayJunJulAugSepOctNovDec190h244h295h328h370h379h383h363h322h299h258h228h
Data source: Lake Arrowhead October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lake Arrowhead During October

In Lake Arrowhead, October offers a 71% chance of sunny weather, maintaining a delightful trend of pleasant skies as the region transitions into fall. This month follows a sun-soaked September, which boasts an impressive 87% chance of sunshine, and remains consistent with the increased sunny days apparent from late spring and summer. The overall pattern reveals that the likelihood of clear weather peaks from May through September, exhibiting a steady decline as autumn progresses, yet October still enjoys a robust percentage as it bridges the vibrant summer days and the earlier chill of November. Thus, while October may hint at the onset of winter, it still embraces a significant share of sunny moments, inviting visitors to savor the beauty of the changing season.

Percentage of Sunny Days in October in Lake Arrowhead

The chart illustrates the percentage of sunny days in Lake Arrowhead 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 Lake Arrowhead experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%71%66%67%80%75%63%82%87%71%77%49%
Data source: Lake Arrowhead October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lake Arrowhead in October

As the vibrant colors of autumn unfold in Lake Arrowhead, daylight hours continue to shorten in October, offering 11 hours of sunlight—a slight decline from September's 12 hours. This seasonal shift is part of a broader trend, where daylight duration peaks in the summer months of June and July with 14 hours each, gradually tapering off into the winter. With October’s crisp air and shorter days, residents and visitors can savor the enchanting fall foliage while embracing the cozy ambience that longer evenings bring. As the year winds down, the steady descent in daylight invites a reflection on nature's cyclical rhythms.

Average Daylight Hours in Lake Arrowhead for October

The chart illustrates the variation in daylight duration in Lake Arrowhead throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 8m10h 57m11h 59m13h 3m13h 57m14h 23m14h 9m13h 21m12h 20m11h 16m10h 21m9h 53m
Data source: Lake Arrowhead daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Lake Arrowhead

As October arrives in Lake Arrowhead, the wind begins to whisper through the trees at an average speed of 2.1 m/s (5 mph), a gentle continuation from the slightly calmer breezes of September. This month’s winds mirror those of November and December, maintaining a consistent tranquility that characterizes the region's late autumn atmosphere. Notably, the year demonstrates a trend of slightly declining winds from early summer through early fall, peaking at a mellow cadence in October. This seasonal stability creates a serene backdrop, perfect for leisurely strolls amid the vibrant foliage, allowing residents and visitors alike to savor the peaceful beauty of nature as it prepares for winter's embrace.

Average October Wind Speed in Lake Arrowhead

The chart displays monthly wind speed patterns in Lake Arrowhead, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.42.22.32.42.32.22.12.22.02.1 m/s2.12.1
Data source: Lake Arrowhead October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Lake Arrowhead Compares to Other Months

The weather in Lake Arrowhead changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Lake Arrowhead and find detailed weather information for every month.

October and January exhibit stark contrasts in weather, making each month distinctly unique. In October, temperatures can rise significantly, with daily averages around 18°C (65°F) and occasional highs reaching up to 36°C (97°F). The month is relatively dry, experiencing only about 8 mm (0.3 in) of precipitation over just one day and a comfortable humidity level of 54%. In contrast, January brings much cooler temperatures, with averages around 9°C (49°F) and lows dipping to -5°C (24°F). It is also wetter, with approximately 51 mm (2.0 in) of rain spread over six days and a higher humidity of 76%. For more specific details about January conditions, you can check Lake Arrowhead weather in January.

October and February present contrasting weather patterns. In October, temperatures range from a minimum of 3°C (38°F) to a maximum of 36°C (97°F), with an average of 18°C (65°F), accompanied by low precipitation of just 8 mm (0.3 in) over 1 day, and a comfortable humidity level of 54%. In comparison, February is much cooler, featuring temperatures that drop as low as -4°C (24°F) and rise to a maximum of 25°C (77°F), with an average of 9°C (49°F). This month also sees significantly more precipitation at 56 mm (2.2 in) over 6 days, coupled with higher humidity at 80%. For a more detailed look at weather conditions, check out Lake Arrowhead weather in February.

When comparing the weather in October and March, notable differences emerge in temperature and precipitation. In October, temperatures in Lake Arrowhead generally range from a mild minimum of 3°C (38°F) to a warm maximum of 36°C (97°F), with an average of 18°C (65°F). This month sees relatively low precipitation, with only 8 mm (0.3 in) falling over just one day, coupled with a humidity level of 54%. Conversely, March experiences colder temperatures, ranging from a minimum of -2°C (29°F) to a maximum of 29°C (84°F), with an average of 11°C (52°F). Additionally, March is much wetter, with 52 mm (2.1 in) of rain over approximately nine days and higher humidity at 69%. For more detailed insights, you can visit Lake Arrowhead weather in March.

In comparing October and April weather, we see notable differences in temperature and precipitation. October tends to have a broader temperature range, with daytime highs averaging 18°C (65°F) and peaking at 36°C (97°F), while April's average is slightly cooler at 15°C (60°F), with a maximum of 32°C (89°F). Precipitation also varies, as October typically receives only 8 mm (0.3 in) over just one day, whereas April experiences more rain, totaling 24 mm (0.9 in) over two days. Additionally, humidity levels are a bit higher in April at 57% compared to October's 54%. For more detailed insights, you can check Lake Arrowhead weather in April.

In October, the weather tends to be warmer than in May, with average temperatures reaching 18°C (65°F) and maximums peaking at 36°C (97°F). This month experiences minimal precipitation, averaging only 8 mm (0.3 in) across just one day, along with a moderate humidity level of 54%. In contrast, May has a slightly cooler average temperature of 17°C (64°F) and maximums of up to 34°C (94°F). Precipitation increases to 13 mm (0.5 in) over three days, resulting in a lower humidity of 45%. For more specific details on May's weather, you can explore Lake Arrowhead weather in May.

When comparing the weather in October and June, a few notable differences emerge. October sees a wider temperature range with minimums of 3°C (38°F) and maximums reaching up to 36°C (97°F), while June offers higher average temperatures, ranging from a minimum of 9°C (48°F) to a maximum of 39°C (103°F). Precipitation is slightly more common in October with 8 mm (0.3 in) over one day, compared to only 4 mm (0.1 in) in June, also falling on one day. Additionally, humidity levels are higher in October at 54%, compared to 34% in June, making the latter feel drier. For a detailed look at June weather, you can check Lake Arrowhead weather in June.

October and July offer distinctly different weather experiences. In October, temperatures range from a cool minimum of 3°C (38°F) to a warm maximum of 36°C (97°F), with an average of 18°C (65°F). The month sees minimal precipitation, with only about 8 mm (0.3 in) falling over just one day and humidity levels sitting around 54%. In contrast, July is significantly warmer, with temperatures peaking at 41°C (106°F) and averaging 26°C (79°F). The month experiences slightly more rain, with 12 mm (0.5 in) over two days, and has a lower humidity of 29%. For those interested in specifics, you can check out more details about Lake Arrowhead weather in July.

In comparing the weather between October and August, October presents a notable drop in temperature, with minimums around 3°C (38°F) compared to August's milder minimum of 14°C (57°F). The average temperature in October hovers around 18°C (65°F), significantly cooler than August's warm average of 26°C (79°F). Additionally, while October sees a maximum temperature of 36°C (97°F), August can peak even higher at 39°C (103°F). Precipitation is slightly lower in October, with only 8 mm (0.3 in) falling over just one day, whereas August experiences 11 mm (0.4 in) spread across two days. Notably, humidity is higher in October at 54%, contrasting with August's lower humidity of 28%. For more detailed insights, you can check Lake Arrowhead weather in August.

In comparing the weather between September and October, we observe some notable differences. October experiences a broader temperature range with a minimum of 3°C (38°F) and a maximum of 36°C (97°F), while September has milder nights starting at 9°C (48°F) and warmer days peaking at 42°C (108°F). The average temperature in October is 18°C (65°F), which is cooler than September's average of 23°C (74°F). Additionally, October sees less precipitation, with only 8 mm (0.3 in) and just one rainy day compared to September's 9 mm (0.4 in) over two days. Humidity levels also differ, with October at 54% and September slightly lower at 41%. For more details on weather conditions, check out Lake Arrowhead weather in September.

October experiences warmer temperatures, with an average of 18°C (65°F) and a maximum reaching up to 36°C (97°F), compared to November's average of 14°C (57°F) and maximum of 28°C (83°F). The transition into November brings cooler nights, as minimum temperatures dip to -1°C (31°F). Additionally, November sees an increase in precipitation, totaling 19 mm (0.8 in) over 2 days, which is higher than October's 8 mm (0.3 in) across just 1 day. Humidity also rises in November to 68%, up from October's 54%, making the air feel more damp as the month progresses. For more details, check out Lake Arrowhead weather in November.

October and December present contrasting weather patterns. October typically boasts a wider temperature range, with minimums as low as 3°C (38°F) and maximums soaring up to 36°C (97°F), creating a mild average of 18°C (65°F). In contrast, December sees a distinct drop in temperatures, with minimums plunging to -4°C (25°F) and an average of 9°C (49°F). Additionally, December is marked by increased precipitation, averaging 56 mm (2.2 in) over five days, compared to October's light 8 mm (0.3 in) over just one day. Humidity levels also rise in December to 75%, compared to October's more comfortable 54%. For a detailed look at conditions during this winter month, visit Lake Arrowhead weather in December.

Compare Lake Arrowhead's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Lake Arrowhead

As October rolls into Lake Arrowhead, the weather showcases a distinct shift, offering a delightful blend of crispness and warmth. Unlike the warmer summer months, the average temperature dips to a comfortable 18°C (65°F), while the maximum can reach up to a toasty 36°C (97°F). This transitional period typically delivers a refreshing breeze, with humidity averaging around 54%, making it an ideal time for outdoor activities. With minimal precipitation, just a brief day of rain, Octobers are mostly dry and enjoyable, standing in stark contrast to the wetter months that precede and follow. For more insights into what to expect throughout the year, check out our detailed page on Lake Arrowhead Climate.