November Weather in Saint Helens, United States

Last updated: February 24, 2025

November in Saint Helens, United States, is characterized by cool temperatures and abundant precipitation. With a maximum of 18°C (64°F) and an average around 7°C (46°F), the month can feel crisp, especially with nighttime lows dipping to -3°C (27°F). Rainfall is a prominent feature, accumulating to 209 mm (8.2 in) over 18 days, contributing to a high humidity level of 87%. This weather pattern fosters a picturesque, albeit wet, landscape, ideal for those who appreciate the beauty of the Pacific Northwest during the autumn season.

November Temperature in Saint Helens

In November, Saint Helens experiences a notable transition as autumn gives way to winter. With temperatures ranging from a brisk -3°C (27°F) at night to a mild 18°C (64°F) during the day, the average temperature settles around 7°C (46°F), reflecting a gradual cooling trend compared to the preceding months. This decline from October's warmer averages signals the approach of winter, yet the days still offer moments of relative warmth. The temperature fluctuations contribute to a crisp ambiance, making November a charming month for enjoying the changing landscape, even as early frost begins to hint at the chillier days ahead.

November Weather in Saint Helens: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Saint Helens, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414045505762676963524540
Data source: Temperature data for Saint Helens 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.

November Precipitation in Saint Helens

In November, Saint Helens experiences a significant uptick in precipitation, averaging 209 mm (8.2 in) over 18 days, making it one of the wetter months of the year. This increase follows an already moist October, which recorded 149 mm (5.9 in), emblematic of the region's transition into the winter season. The trend of increasing rainfall continues into December, where precipitation peaks at 224 mm (8.8 in), hinting at a consistent pattern of elevated moisture as the year comes to a close. With each passing month, especially from late summer onwards, the frequency and intensity of rain showers serve as a reminder of Saint Helens' lush, verdant landscapes nourished by its abundant rainfall.

November Precipitation Trends in Saint Helens

The chart displays monthly precipitation patterns in Saint Helens, with values for each month alongside November's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec205205163140736291190149209224
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
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November Humidity in Saint Helens

November in Saint Helens, United States, ushers in a notable rise in humidity, peaking at 87%, the highest alongside December. As the year progresses, a clear trend emerges: humidity levels gradually decrease during the warmer months, reaching a low of 71% in September and further dropping to 74% in August. However, as autumn sets in, the air grows heavier and more moisture-laden, culminating in November's damp ambiance. This seasonal shift underscores the transition from the dry days of summer to the drizzly weather of late fall, making November a characteristically humid month that sets the stage for the rainy season ahead.

November Average Humidity in Saint Helens

This chart illustrates the average monthly humidity levels in Saint Helens, with November's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how November's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
Data source: Humidity data for November generated using information from the Copernicus Climate Change Service.

November UV Index in Saint Helens

As November rolls into Saint Helens, the UV Index drops to a moderate level of 3, indicating that while sun protection is still advisable, it's less critical than during the summer months. Following a peak in the summer with indices hitting 10 in June and July, the trend shows a gradual decline, with shorter burn times reflecting the waning intensity of the sun. November's 30-minute burn time suggests that residents can enjoy outdoor activities while remaining mindful of UV exposure. As the year concludes, the UV Index will continue to fall, culminating in December's low level of 2. This climate rhythm underscores the need for ongoing awareness of UV levels year-round. For more detailed insights, visit Saint Helens UV Index.

Maximum UV Index Levels in Saint Helens for November

The chart shows the monthly maximum UV Index (UVI) for Saint Helens in November, 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.
JanFebMarAprMayJunJulAugSepOctNovDec23569101087532
Data source: Saint Helens November 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.

November Sunshine in Saint Helens

As the vibrant days of autumn give way to November in Saint Helens, sunshine hours taper off, ringing in the cooler season with 136 hours of daylight. This decline marks a noticeable shift from the summer peak of 374 hours in July, as the city embraces shorter days and the cozy embrace of winter. Notably, November sits comfortably between October's 211 hours and December's 115 hours, illustrating a graceful transition while still offering ample opportunities to enjoy the crisp air. The steady decrease in sunlight serves as a reminder of the cyclical rhythm of the seasons, inviting residents to savor the last twinklings of fall's warmth.

Monthly Sunshine Duration in Saint Helens: November Highlighted

The November sunshine duration represents the total number of hours Saint Helens experiences direct sunlight during the month of November, excluding cloudy or obstructed periods. This chart compares the sunshine duration of November with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec88h123h195h229h282h318h374h335h268h211h136h115h
Data source: Saint Helens November Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Saint Helens During November

As the year winds down, November in Saint Helens shows a notable decline in sunny weather, with only a 14% chance of sunshine. This marks a significant drop from the sunnier months of June and July, which boast probabilities of 61% and 73%, respectively. The trend reveals a gradual transition from the vibrant warmth of summer to the dreariness of late fall, as the chances of sunshine dip significantly from October's 28%. While November brings the promise of cozy autumn moments, residents should be prepared for a cloudier panorama, making the fleeting glimpses of sun even more cherished.

Percentage of Sunny Days in November in Saint Helens

The chart illustrates the percentage of sunny days in Saint Helens throughout the year, with November 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 Saint Helens experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%15%35%53%38%61%73%55%49%28%14%12%
Data source: Saint Helens November chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Saint Helens in November

As November rolls in, Saint Helens experiences a noticeable shift in daylight duration, with just 9 hours of sunlight gracing the days. This reduction follows a gradual decline that began in October, where the daylight dropped to 10 hours. The trend reveals a steady retreat from the peak of 15 hours experienced in the summer months of June and July, as the days shorten and the chill of winter approaches. Reflecting on the journey from spring's vibrant 13 hours in April to November, it’s a poignant reminder of the seasonal cycles, inviting residents to embrace the cozy ambiance of shorter days filled with reflecting warmth and early twilight.

Average Daylight Hours in Saint Helens for November

The chart illustrates the variation in daylight duration in Saint Helens throughout the year, with November highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 7m10h 23m11h 57m13h 34m14h 56m15h 38m15h 15m14h 1m12h 28m10h 51m9h 27m8h 43m
Data source: Saint Helens daylight hours, calculated by summing the hours between sunrise and sunset for each day.

November Winds in Saint Helens

As November breezes roll into Saint Helens, the air carries a briskness that reflects a subtle uptick in wind speeds, averaging 2.7 m/s (6 mph). This marks a slight increase from the previous months, suggesting a transition towards the cooler, more dynamic conditions of winter. Throughout the year, wind speeds generally hovered around 2.5 m/s (5 mph), with only a few peaks during the summer and fall months. In particular, November joins July and October as one of the month’s with noteworthy gusts. It's a time when the winds begin to weave through the trees, setting the stage for the crisp, invigorating days that lie ahead.

Average November Wind Speed in Saint Helens

The chart displays monthly wind speed patterns in Saint Helens, with values for each month shown alongside November's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how November's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.52.22.12.52.22.72.42.22.62.7 m/s2.5
Data source: Saint Helens November wind data, generated using information from the Copernicus Climate Change Service.

How November Weather in Saint Helens Compares to Other Months

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

November and January in Saint Helens present notably different weather patterns. In November, temperatures range from a chilly minimum of -3°C (27°F) to a more moderate maximum of 18°C (64°F), with an average temperature of 7°C (46°F). The month is characterized by significant rainfall, totaling 209 mm (8.2 in) over 18 days and high humidity at 87%. Conversely, January sees colder conditions, with temperatures ranging from -14°C (7°F) at the low end to a maximum of 14°C (58°F), averaging 5°C (41°F). Precipitation is slightly less at 205 mm (8.1 in) over 17 days, and humidity remains fairly high at 85%. These contrasts highlight the transition from fall to the depths of winter. For more detailed information, check out Saint Helens weather in January.

November and February in Saint Helens exhibit notable differences in weather patterns. November experiences milder temperatures, with averages around 7°C (46°F) and a maximum of 18°C (64°F), while February is colder, averaging at 4°C (40°F) with a maximum of 17°C (62°F) and a lower minimum of -7°C (19°F). Both months see significant precipitation, with November slightly wetter at 209 mm (8.2 in) compared to February's 205 mm (8.1 in), although February has one more day of rainfall at 20 days. Humidity levels are relatively high in both months, but November is slightly more humid at 87% compared to February's 84%. For more detailed insights on February weather, check out Saint Helens weather in February.

In comparing the weather of November and March, we see some interesting similarities and differences. Both months experience a minimum temperature of -3°C (27°F) and have an average temperature of around 7°C (46°F). However, March can be a bit warmer, with maximum temperatures reaching up to 22°C (73°F), compared to November's high of 18°C (64°F). Precipitation levels are notable in both months, with November receiving 209 mm (8.2 in) over 18 days, while March sees slightly less rain at 163 mm (6.4 in) over the same number of days. Humidity levels are also quite similar, with November at 87% and March at 85%. For a detailed look at the weather specifics, you can check Saint Helens weather in March.

In comparing the weather between November and April, November experiences cooler temperatures with an average of 7°C (46°F) and a maximum of 18°C (64°F), whereas April enjoys slightly warmer conditions, averaging 10°C (51°F) and peaking at 29°C (85°F). Precipitation is more pronounced in November, with 209 mm (8.2 in) over 18 rainy days compared to April's 140 mm (5.5 in) across 16 days. Humidity levels are similar, with November at 87% and April at 83%. For more specific details on April weather, you can refer to Saint Helens weather in April.

November weather is characterized by cooler temperatures, with average highs reaching only 18°C (64°F) and lows dropping to around -3°C (27°F). The month experiences significant precipitation, totaling 209 mm (8.2 in) over approximately 18 days, contributing to a high humidity level of 87%. In contrast, May brings warmer conditions, featuring milder average temperatures that range from a minimum of 3°C (37°F) to a maximum of 32°C (90°F). May also sees less rainfall, accumulating only 73 mm (2.9 in) across about 11 days, with humidity slightly lower at 83%. This stark difference highlights the transition from the chill of late autumn to the warmth of early summer. For more detailed information, you can visit Saint Helens weather in May.

November and June present distinctly different weather experiences. In November, temperatures can dip to a chilly -3°C (27°F) at night, with an average of 7°C (46°F) and a daytime maximum of 18°C (64°F). The month is notably wet, receiving about 209 mm (8.2 in) of precipitation over 18 days, while the humidity is quite high at 87%. In contrast, June offers milder temperatures, with nighttime lows of 6°C (43°F) and pleasant averages around 17°C (63°F), peaking at a sweltering 45°C (113°F) on occasion. Rainfall is significantly lower, at just 62 mm (2.5 in) over 9 days, and humidity sits slightly lower at 83%. For a more detailed look at June weather, visit Saint Helens weather in June.

November and July present stark differences in weather patterns. In November, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable maximum of 18°C (64°F), with an average of 7°C (46°F). This month is also marked by significant precipitation, totaling 209 mm (8.2 in) over 18 days, resulting in a humidity level of 87%. In contrast, July boasts much warmer conditions, with a minimum temperature of 8°C (46°F) and a maximum soaring up to 37°C (99°F), averaging 20°C (68°F). The month experiences minimal rainfall, with only 9 mm (0.3 in) across just 2 days, and the humidity is slightly lower at 82%. For more details on July weather patterns, you can check out Saint Helens weather in July.

When comparing the weather in November and August, it's evident that the two months present stark contrasts. November typically experiences much cooler temperatures, with a minimum of -3°C (27°F) and an average of 7°C (46°F), compared to August's milder minimum of 8°C (47°F) and an average of 20°C (69°F). Precipitation is also significantly higher in November, with 209 mm (8.2 in) over 18 days, while August enjoys a dry spell with only 11 mm (0.4 in) of rain over just 2 days. Additionally, November's humidity averages a high 87%, making it feel even colder, while August’s humidity is more comfortable at 74%. For more details about August weather, visit Saint Helens weather in August.

When comparing the weather in November and September, notable differences emerge. November experiences colder temperatures, with a minimum of -3°C (27°F), an average of 7°C (46°F), and a maximum of 18°C (64°F), while September boasts milder temperatures ranging from a minimum of 6°C (43°F) to a high of 35°C (95°F). Precipitation is significantly higher in November, totaling 209 mm (8.2 in) over 18 days, compared to September's 90 mm (3.6 in) over just 9 days. Additionally, November's humidity is much higher at 87%, compared to September's 71%. For a detailed look at September weather in Saint Helens, you can visit Saint Helens weather in September.

In comparing the weather between October and November, we see a notable shift in temperatures and precipitation levels. October enjoyed milder temperatures, with an average of 11°C (52°F) and maximums reaching 26°C (78°F), while November experiences cooler averages at 7°C (46°F) and maximums of 18°C (64°F). Additionally, November sees increased precipitation, totaling 209 mm (8.2 in) over 18 days, compared to October's 149 mm (5.9 in) across just 13 days. The humidity also rises slightly from 81% in October to 87% in November, indicating a wetter atmosphere as autumn progresses. For more specific details about October weather, you can visit Saint Helens weather in October.

November and December exhibit notable differences in weather patterns, with November generally being slightly warmer but wetter. In November, temperatures range from a minimum of -3°C (27°F) to a maximum of 18°C (64°F), averaging around 7°C (46°F), while December sees lower temperatures, with a minimum of -5°C (23°F) and a maximum of 15°C (59°F), averaging 5°C (41°F). Precipitation increases slightly from November to December, with November receiving 209 mm (8.2 in) across 18 days, compared to December's 224 mm (8.8 in) over 20 days. Despite the cooler temperatures, both months maintain high humidity levels at 87%. For more detailed information, check out Saint Helens weather in December.

Compare Saint Helens's Climate with Cities Worldwide

Conclusion: What to Expect From November Weather in Saint Helens

As November settles into Saint Helens, the weather begins a notable transition from the mild, dry days of autumn to a cooler, more humid climate. The average temperatures drop significantly, resulting in chilly mornings and evenings, while the increased rainfall makes this month one of the wettest on record, with nearly three weeks of precipitation. High humidity levels further enhance the crispness in the air, fostering a refreshing yet brisk atmosphere that signals the approaching winter. While this shift may require some adjustments in wardrobe, it also brings a dramatic beauty to the landscape, inviting residents and visitors alike to savor the season. For more information on the overall climate trends, check out Saint Helens Climate.