October Weather in Santarem, Portugal

Last updated: February 24, 2025

Discover the captivating October weather of Santarem, Portugal, where temperatures fluctuate dramatically, reaching a maximum of 36°C (97°F) and dipping to a refreshing minimum of 6°C (44°F). On average, the city enjoys a mild 18°C (65°F), making it an ideal time for outdoor exploration. October also brings a gentle embrace of precipitation, totaling 55 mm (2.2 in) over approximately 5 days, contributing to the lush landscapes. With an average humidity level of 74%, the air is pleasantly crisp and invigorating, enhancing the beauty of this historical gem.

October Temperature in Santarem

In October, Santarem, Portugal, experiences a delightful transition of temperatures as it settles into autumn. The average temperature hovers around 18°C (65°F), providing a comfortable backdrop for outdoor activities. Mornings can be chilly with minimum temperatures of 6°C (44°F), while afternoons still enjoy warmth, peaking at 36°C (97°F) on sunny days. This moderate climate marks a shift from the sweltering highs of summer, as the city slowly cools down, inviting residents and visitors alike to savor the vibrant fall scenery without the extremes of earlier months. Overall, October in Santarem balances crispness with warmth, making it an appealing time to explore the charm of this historical city.

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

The chart illustrates October temperature patterns in Santarem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec495456596568717270655653
Data source: Temperature data for Santarem 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 Santarem

October in Santarem, Portugal, marks a transitional moment as the region begins to experience its wetter autumn season. With an average precipitation of 55 mm (2.2 in) over five days, October sees a notable increase compared to the preceding months, signaling a shift from the dry summer months of June and July. This uptick in rainfall contributes to a gradual rise leading into November, which is typically the wettest month at 89 mm (3.5 in) over ten days. The steady increase in precipitation reflects a broader seasonal pattern in Santarem, where drier summer days give way to the refreshing rains of autumn, preparing the landscape for the lush greenery to follow.

October Precipitation Trends in Santarem

The chart displays monthly precipitation patterns in Santarem, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3854808641154627568959
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Santarem

October in Santarem, Portugal, presents a refreshing shift in humidity, averaging around 74%. This marks a subtle increase from the drier summer months of July and August, where levels dipped to 60%. As autumn settles in, the gradual rise in moisture is a precursor to the higher humidity typical of late autumn and winter; it foreshadows the return to the wet and cozy atmosphere of November and December, which experience humidity levels of 83% and 85%, respectively. Overall, October serves as a transitional month, balancing the remnants of summer’s warmth with the impending coolness of winter, creating a comfortable yet invigorating climate.

October Average Humidity in Santarem

This chart illustrates the average monthly humidity levels in Santarem, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Santarem

As October unfolds in Santarem, Portugal, residents and visitors can expect a UV Index of 6, categorizing the sun exposure as high. This marks a notable decrease from the intense levels seen during the peak summer months, where the UV Index soared to extreme levels of 11. With a burn time of just 25 minutes, caution is still advised when basking under the golden sun. The trend reveals that while summer experiences a surge in UV intensity, autumn offers a more temperate sun experience, gradually easing into moderate exposure levels by November. For detailed insights into UV levels throughout the year, check out Santarem UV Index.

Maximum UV Index Levels in Santarem for October

The chart shows the monthly maximum UV Index (UVI) for Santarem 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.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Santarem 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 Santarem

October in Santarém, Portugal, shines with 310 hours of sunlight, signaling a vibrant transition into autumn. As the year progresses from the sun-drenched summer months, which peak in July with 420 hours, there's a gradual decline in daylight, yet October still holds its own with robust sunshine. The month finds itself nestled between the warm glow of September and the softer light of November, reflecting the gentle shift in seasons. This trend highlights Santarém's enviable climate, where even as leaves begin to fall, sunshine remains a cherished companion, inviting locals and visitors alike to bask in its gentle warmth. The breezy October days are perfect for exploring the rich culture and stunning landscapes of this picturesque region, making it an ideal time for outdoor activities before winter’s shadows start to loom.

Monthly Sunshine Duration in Santarem: October Highlighted

The October sunshine duration represents the total number of hours Santarem 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.
JanFebMarAprMayJunJulAugSepOctNovDec178h219h297h347h407h406h420h395h347h310h224h210h
Data source: Santarem October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santarem During October

In Santarem, Portugal, October brings a 53% chance of sunny weather, reflecting a transition towards cooler months while still holding onto traces of summer's warmth. This likelihood is notably similar to May and September, where sunshine typically graces the landscape with a comforting presence. As the year progresses, the summer months of June, July, and August stand out with their impressive sunny probabilities, peaking at 64% and above, while October offers a balanced mix of sunshine and the onset of autumn's charm. Interestingly, the trend towards increased sunshine continues into November, making October a delightful time to enjoy mild temperatures and relative brightness before the winter months settle in.

Percentage of Sunny Days in October in Santarem

The chart illustrates the percentage of sunny days in Santarem 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 Santarem experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec49%20%59%33%53%64%74%75%55%53%67%39%
Data source: Santarem October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santarem in October

In Santarem, Portugal, the October daylight duration marks a gentle transition as the days start to shorten, offering approximately 11 hours of daylight. This slight decline follows the peak summer months of June through August, where the region basks in a generous 14 hours of sun. As autumn settles in, daylight gradually wanes, dropping from 12 hours in September to 11 hours in October, hinting at the impending winter months. As the year progresses, daylight slips further, reaching its low at 9 hours by January, creating a rhythmic pattern that resonates with the beautiful seasonal shifts. The comfort of longer days in spring and summer gives way to cozy evenings, inviting residents and visitors alike to embrace the charm of fall in Santarem.

Average Daylight Hours in Santarem for October

The chart illustrates the variation in daylight duration in Santarem throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 44m10h 43m11h 58m13h 15m14h 20m14h 52m14h 35m13h 37m12h 24m11h 7m10h9h 26m
Data source: Santarem daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Santarem

As October breezes sweep through Santarem, Portugal, the wind begins to mellow, with an average speed of 3.1 m/s (7 mph). Although this marks a slight dip from the peak summer winds, which reached up to 4.7 m/s (10 mph) in July, the gentle October air offers a refreshing transition into autumn. Following the September winds of 3.3 m/s, October continues the trend of decreasing airflow, hinting at the approaching winter. This time of year invites a serene atmosphere where the leaves turn golden, and the landscape shifts, underscoring the beauty of change in this charming region.

Average October Wind Speed in Santarem

The chart displays monthly wind speed patterns in Santarem, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.73.32.64.14.14.74.13.33.1 m/s3.23.9
Data source: Santarem October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Santarem Compares to Other Months

The weather in Santarem 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 Santarem and find detailed weather information for every month.

In October, the weather is characterized by warmer temperatures, with a minimum of 6°C (44°F) and an average of 18°C (65°F), reaching a maximum of 36°C (97°F) on particularly hot days. This month typically experiences 5 days of precipitation, totaling around 55 mm (2.2 in) and humidity levels averaging 74%.

In contrast, January brings significantly cooler conditions, with temperatures dropping to a minimum of -3°C (26°F) and an average of 10°C (50°F), peaking at a more temperate 21°C (69°F). The month sees slightly less rainfall, around 38 mm (1.5 in), but maintains a higher humidity level of 85%. For a detailed look at January weather, visit Santarem weather in January.

October and February present contrasting weather patterns. In October, temperatures range from a cool minimum of 6°C (44°F) to a warm average of 18°C (65°F), with occasional peaks reaching up to 36°C (97°F). The month experiences about 55 mm (2.2 in) of precipitation over approximately 5 days, accompanied by a humidity level of 74%. On the other hand, February is noticeably cooler, with minimum temperatures dropping to 1°C (33°F) and an average of 12°C (54°F). The maximum temperature during this month is more moderate at 25°C (77°F). February also sees slightly less precipitation at 54 mm (2.1 in) but spreads over 7 days, with a similar humidity level of 75%. For more detailed insights, you can check Santarem weather in February.

October and March showcase distinct weather patterns, reflecting the transition between seasons. In October, temperatures range from a minimum of 6°C (44°F) to a maximum of 36°C (97°F), with an average temperature of 18°C (65°F). The month sees around 55 mm (2.2 in) of precipitation over about 5 days, accompanied by a relatively high humidity of 74%. In contrast, March experiences slightly cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 28°C (82°F), averaging at 13°C (56°F). The precipitation in March is notably higher at 80 mm (3.1 in) across approximately 8 days, with humidity remaining close at 72%. For a closer look at the conditions in March, refer to Santarem weather in March.

When comparing October and April weather, we see distinct differences in temperature and precipitation patterns. October boasts a wider temperature range, with minimums around 6°C (44°F) and can reach up to a high of 36°C (97°F), resulting in a warm average of 18°C (65°F). In contrast, April features a slightly cooler average temperature of 15°C (59°F) and a maximum of 30°C (86°F), with a minimum of 5°C (41°F). Additionally, April experiences more rainfall, totaling 86 mm (3.4 in) over about 11 days, compared to October's 55 mm (2.2 in) over 5 days. Both months maintain relatively high humidity levels, with October at 74% and April at 70%. For more detailed information on April conditions, check out Santarem weather in April.

In comparing the weather of October and May, both months exhibit similar average temperatures, with October ranging from a minimum of 6°C (44°F) to a maximum of 36°C (97°F), while May sees slightly higher minimums at 7°C (45°F) and a maximum of 36°C (96°F). Humidity levels are relatively close, with October at 74% and May at 70%. Precipitation is slightly higher in October with 55 mm (2.2 in) over five days, compared to May's 41 mm (1.6 in) over the same number of days. For those interested in more detailed weather information, you can explore Santarem weather in May.

In October, the weather is generally cooler, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 36°C (97°F), averaging 18°C (65°F). This month also experiences relatively higher humidity at 74% and more precipitation, with about 55 mm (2.2 inches) falling over approximately 5 days. In contrast, June presents warmer conditions, featuring temperatures that range from a minimum of 10°C (50°F) to a scorching maximum of 41°C (106°F), with an average temperature of 20°C (68°F). Additionally, June has significantly lower rainfall, recording only 15 mm (0.6 inches) over about 4 days and a lower humidity level of 63%. For more details, check out Santarem weather in June.

In comparing the weather of October and July, October features a broader temperature range, with minimums dipping as low as 6°C (44°F) and maximums reaching up to 36°C (97°F), while July has a narrower range, reporting minimum temperatures of 13°C (56°F) and a maximum of 40°C (104°F). October experiences more significant precipitation, with 55 mm (2.2 in) over five days, compared to July's minimal 3 mm (0.1 in) across just one day. Additionally, October's humidity is higher at 74%, compared to July's 60%, indicating a more humid atmosphere in the fall month. For further details on July weather, you can refer to Santarem weather in July.

October and August exhibit notable differences in weather patterns. August typically sees warmer temperatures, with a minimum of 13°C (56°F) and an average of 22°C (72°F), peaking at 43°C (110°F). In contrast, October experiences cooler temperatures, ranging from a minimum of 6°C (44°F) to an average of 18°C (65°F), with maximums hitting 36°C (97°F). Furthermore, October has significantly higher precipitation, averaging 55 mm (2.2 in) over about 5 days, while August remains mostly dry, receiving only 6 mm (0.2 in) of rain over 1 day. Humidity levels also differ, with October averaging 74% compared to August's 60%. For more insights on August weather, you can refer to Santarem weather in August.

In comparing the weather between September and October, it's notable that October exhibits a broader temperature range, with minimums dropping to 6°C (44°F) and maximums reaching up to 36°C (97°F). This contrasts with September's milder nights at a minimum of 11°C (51°F) and slightly warmer average temperatures peaking at 37°C (98°F). Precipitation also varies, as October receives more rainfall at 55 mm (2.2 in) over 5 days, compared to September’s lighter 27 mm (1.1 in) over just 3 days. Additionally, October comes with higher humidity levels at 74%, compared to September's 67%. For more detailed insights, check Santarem weather in September.

October and November present distinctly contrasting weather patterns. In October, temperatures range from a mild minimum of 6°C (44°F) to a warm maximum of 36°C (97°F), with an average temperature of 18°C (65°F). The month receives about 55 mm (2.2 in) of precipitation over approximately 5 days and boasts a humidity level of 74%. In contrast, November sees a notable drop in temperature, with a minimum of 3°C (38°F), an average of 13°C (56°F), and a maximum of 25°C (78°F). Precipitation increases to 89 mm (3.5 in), spread across about 10 days, accompanied by higher humidity at 83%. For more details on the weather in November, you can visit Santarem weather in November.

October and December present contrasting weather patterns in Santarem. In October, temperatures range from a mild minimum of 6°C (44°F) to a maximum of 36°C (97°F), with an average of 18°C (65°F). The month sees about 55 mm (2.2 in) of precipitation over 5 days, along with a humidity level of 74%. Conversely, December brings cooler temperatures, with a minimum of -2°C (28°F), an average of 11°C (53°F), and a maximum of 20°C (68°F). The precipitation slightly increases to 59 mm (2.3 in) over 8 days, and humidity rises to 85%. For more details on December weather, you can visit Santarem weather in December.

Compare Santarem's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Santarem

In October, Santarem experiences a remarkable transition in weather that sets it apart from the hotter summer months. While temperatures can still reach a high of 36°C, the average cools to a comfortable 18°C, providing a refreshing break from the heat. With 74% humidity and about 55 mm of precipitation over roughly 5 days, this month marks the tail end of the dry season, introducing a hint of moisture in the air and sporadic rain showers. This blend of warmth and humidity creates a unique atmosphere that is ideal for enjoying the stunning landscapes and rich culture of the region. For more insights into Santarem's weather patterns, visit Santarem Climate.