August Weather in Santarem, Portugal

Last updated: February 24, 2025

In August, Santarem, Portugal, experiences a warm Mediterranean climate characterized by a striking maximum temperature reaching up to 43°C (110°F), while the average temperature hovers around a pleasant 22°C (72°F). Visitors can expect cooler nights, with the minimum temperature dipping to 13°C (56°F). The month sees only a minimal amount of precipitation, with an average of 6 mm (0.2 in) over just one day, allowing for plenty of sunshine to enjoy. With humidity levels resting around 60%, the warm and relatively dry weather makes August an ideal time for exploring the vibrant surroundings and rich history of this charming city.

August Temperature in Santarem

In August, Santarem, Portugal, experiences its warmest temperatures of the year, with minimums hovering around 13°C (56°F) and averages reaching 22°C (72°F). This month boasts maximum highs peaking at an impressive 43°C (110°F), marking it as the pinnacle of summer heat. The trend from earlier months reveals a gradual rise in temperatures, culminating in these sizzling August days. As summer gives way to the early hints of autumn in September, you’ll notice a slight decrease in warmth, but August remains the month to embrace the dazzling sunshine and vibrant atmosphere that Santarem has to offer.

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

The chart illustrates August 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.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Santarem

In August, Santarem experiences notably dry conditions, with a scant 6 mm (0.2 in) of precipitation recorded over just one day. This marks one of the driest months of the year, following a trend set earlier in the summer. The shift from significant rainfall in the spring months, such as March and April with 80 mm (3.1 in) and 86 mm (3.4 in) respectively, to the parched July and August, showcases a clear seasonal transition. This pattern sets the stage for the late summer heat, often leaving the landscape warm and sun-kissed as it braces for the upcoming autumn rains that arrive in September.

August Precipitation Trends in Santarem

The chart displays monthly precipitation patterns in Santarem, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec3854808641154627568959
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Santarem

In August, humidity in Santarem, Portugal, rests at a comfortable 60%, mirroring the trend set by July. This marks a significant drop from the peak levels seen in the early months, where humidity hovered around 85% in January and gradually declined through the spring. As summer peaks, the air becomes noticeably drier, offering a refreshing reprieve from the earlier, more humid months. This reduction continues into the fall, with humidity levels expected to increase again in September. Overall, the transition from summer to autumn showcases Santarem's dynamic climate, balancing warm temperatures with fluctuating humidity levels that define its yearly rhythm.

August Average Humidity in Santarem

This chart illustrates the average monthly humidity levels in Santarem, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Santarem

In August, Santarem, Portugal, experiences a UV Index of 9, classifying it in the very high exposure category. This marks a continuation of the intense sun conditions seen in the summer months, with a burn time of just 15 minutes for unprotected skin. Following a peak in June at an extreme UV Index of 11, the levels remain elevated throughout July and into August, signaling the need for caution under the Portuguese sun. Fortunately, as summer transitions into early autumn, UV levels start to decline, dropping to 8 in September. For a comprehensive understanding of UV exposure in Santarem, visit Santarem UV Index.

Maximum UV Index Levels in Santarem for August

The chart shows the monthly maximum UV Index (UVI) for Santarem in August, 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 August 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.

August Sunshine in Santarem

In August, Santarem basks in the warmth of 395 hours of sunshine, a vibrant peak following a record-high July with 420 hours. This summer glow reflects a remarkable trend throughout the warmer months, with hours of sunlight steadily increasing from 178 hours in January to a delightful 407 hours in May. As the year progresses, the sunny days of June and July entice visitors to revel in the beauty of the region. Following August, the days gradually shorten, but even September offers a generous 347 hours, promising lingering sunny afternoons. This annual rhythm showcases Santarem’s charm, making it a perfect summer getaway.

Monthly Sunshine Duration in Santarem: August Highlighted

The August sunshine duration represents the total number of hours Santarem experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec178h219h297h347h407h406h420h395h347h310h224h210h
Data source: Santarem August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santarem During August

In Santarem, Portugal, August stands out as one of the sunniest months, boasting a 75% chance of sunshine. This trend unfolds beautifully after a gradual ascent from winter through spring, where the likelihood hovers around 49% in January and 33% in April. As summer unfolds, the sun's presence becomes increasingly reliable, peaking in July at 74%. By the time August arrives, residents and visitors alike can relish in the warmth, enjoying the peak of summer when sun-drenched days encourage outdoor adventures and cultural festivities. The sun's embrace continues into early autumn, with September still holding a promising 55% chance, making Santarem a delightful destination for sun seekers.

Percentage of Sunny Days in August in Santarem

The chart illustrates the percentage of sunny days in Santarem throughout the year, with August 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 August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santarem in August

In August, Santarem, Portugal enjoys a delightful 13 hours of daylight, marking a slight decline from the peak of 14 hours experienced in the summer months of June and July. This gradual decrease signals the approach of autumn, as daylight begins to wane after the vibrant summer. Interestingly, the daylight duration steadily increased from just 9 hours in January to a high of 14 hours in late spring and summer, before tapering off. As September rolls in, the transition to shorter days becomes even more apparent, reminding us of the rhythmic ebb and flow of seasons in this beautiful region.

Average Daylight Hours in Santarem for August

The chart illustrates the variation in daylight duration in Santarem throughout the year, with August 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.

August Winds in Santarem

In August, Santarem, Portugal, experiences a delightful average wind speed of 4.1 m/s (9 mph), maintaining the robust breezes that have been characteristic of the summer months. Following a gradual increase from April's low of 2.6 m/s, the wind picks up through May and June, reaching a peak of 4.7 m/s (10 mph) in July. As August unfolds, the winds remain steady, providing a refreshing relief from the summer heat, before tapering off in September to 3.3 m/s (7 mph). This summer trend highlights Santarem's inviting climate, where gentle winds dance through scenic landscapes, enhancing the charm of this picturesque locale.

Average August Wind Speed in Santarem

The chart displays monthly wind speed patterns in Santarem, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.73.32.64.14.14.74.1 m/s3.33.13.23.9
Data source: Santarem August wind data, generated using information from the Copernicus Climate Change Service.

How August 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 August'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.

August and January present contrasting weather conditions in Santarem. In August, temperatures range from a mild 13°C (56°F) at night to a scorching 43°C (110°F) during the day, with an average of 22°C (72°F). The month is typically dry, with only 6 mm (0.2 in) of precipitation over a single day and humidity around 60%. In stark contrast, January features much colder weather, with temperatures dipping as low as -3°C (26°F) and averaging 10°C (50°F), peaking at 21°C (69°F). This winter month sees significantly more rain, totaling 38 mm (1.5 in) over five days, accompanied by higher humidity levels of 85%. For more details on weather during this winter month, check out Santarem weather in January.

August and February showcase distinct weather patterns, making each month unique in its own right. In August, temperatures can soar, with maximums reaching up to 43°C (110°F) and an average of 22°C (72°F), though the month experiences minimal precipitation of just 6 mm (0.2 in) across only one day. Meanwhile, February presents a much cooler climate, featuring an average temperature of 12°C (54°F) and maximums of 25°C (77°F). However, this month is much wetter, with a total precipitation of 54 mm (2.1 in) spread over seven days, and higher humidity at 75%. For those interested in detailed February weather, check out Santarem weather in February.

When comparing the weather in August and March, one can observe significant differences in temperature and precipitation patterns. August is characterized by warmer temperatures, with a minimum of 13°C (56°F) and average highs reaching up to 43°C (110°F). In contrast, March tends to be much cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (82°F). Additionally, August sees very little precipitation, averaging just 6 mm (0.2 in) over only one day, while March experiences a much wetter climate with 80 mm (3.1 in) of rainfall across about eight days. The humidity levels also differ, with August having a lower humidity at 60%, compared to March's higher 72%. For more details, you can visit Santarem weather in March.

August and April present two contrasting weather profiles. In August, temperatures can soar with a minimum of 13°C (56°F) and a staggering maximum reaching 43°C (110°F), complemented by an average of 22°C (72°F). Precipitation is quite low during this month, with only 6 mm (0.2 in) recorded over just one day, while humidity rests at a moderate 60%.

In stark contrast, April experiences cooler temperatures with a minimum of 5°C (41°F) and a maximum of 30°C (86°F), averaging around 15°C (59°F). This month is significantly wetter, with precipitation totaling 86 mm (3.4 in) spread over 11 days, paired with higher humidity levels of 70%. For a closer look at April weather specifics, check out Santarem weather in April.

When comparing the weather in August and May, a distinct contrast emerges. August boasts warmer temperatures, with a minimum of 13°C (56°F) and an average of 22°C (72°F), peaking at a scorching 43°C (110°F). In contrast, May's temperatures are milder, ranging from a minimum of 7°C (45°F) to an average of 18°C (65°F), and reaching a high of 36°C (96°F). Additionally, August experiences significantly less precipitation, averaging only 6 mm (0.2 in) over just one day, whereas May encounters more rain with 41 mm (1.6 in) spread across five days. Humidity levels are also higher in May at 70%, compared to August's 60%. For a more detailed look, you can visit Santarem weather in May.

In comparing the weather of August and June, we see notable differences in temperatures and precipitation. August tends to be warmer, with average temperatures around 22°C (72°F) and the potential for highs reaching 43°C (110°F), while June's average is slightly cooler at 20°C (68°F) and maximum temperatures hitting 41°C (106°F). Precipitation also varies, with August experiencing only 6 mm (0.2 in) over just one day, whereas June receives more rainfall, totaling 15 mm (0.6 in) across four days. Additionally, humidity levels are fairly similar, with August at 60% and June at 63%, making both months feel warm and slightly sticky. For a closer look at June's specific weather patterns, visit Santarem weather in June.

In comparing the weather patterns of August and July, we see some notable similarities and slight variations. Both months share the same minimum and average temperatures at 13°C (56°F) and 22°C (72°F), respectively. However, August experiences a higher maximum temperature of 43°C (110°F) compared to July's peak of 40°C (104°F). Precipitation levels are slightly increased in August, with 6 mm (0.2 in) over 1 day, whereas July records only 3 mm (0.1 in) Santarem weather in July. Humidity remains consistent at 60% for both months, contributing to the warm conditions experienced during this summer period.

August weather is characterized by higher temperatures, with an average of 22°C (72°F) and maximums reaching up to 43°C (110°F). The month is relatively dry, receiving only 6 mm (0.2 in) of precipitation over just one day, accompanied by humidity levels around 60%. In contrast, September experiences a slight cooling trend, with average temperatures dropping to 21°C (71°F) and maximums of 37°C (98°F). This month also sees increased rainfall, with 27 mm (1.1 in) over three days and higher humidity levels of 67%. To learn more about the weather specifics in September, check out Santarem weather in September.

In comparing the weather between August and October, one can observe significant differences. August typically boasts warmer temperatures, with a minimum of 13°C (56°F) and an average of 22°C (72°F), peaking at a scorching 43°C (110°F). The month is relatively dry, with only 6 mm (0.2 in) of precipitation over just one day and humidity averaging around 60%. In contrast, October sees a noticeable drop in temperature, featuring a minimum of 6°C (44°F) and an average of 18°C (65°F), with a maximum of 36°C (97°F). Precipitation increases significantly to 55 mm (2.2 in) across five days, and the humidity rises to 74%. For a more detailed look at October weather, visit Santarem weather in October.

August and November present strikingly different weather patterns. In August, temperatures can soar with a maximum of 43°C (110°F) and an average of 22°C (72°F), accompanied by minimal precipitation of just 6 mm (0.2 in) over one day. Humidity levels are moderate at 60%, offering warm and dry conditions ideal for summer activities. In contrast, November brings a cooler climate with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 25°C (78°F) and an average of 13°C (56°F). This month is characterized by considerably higher rainfall of 89 mm (3.5 in) spread over 10 days, leading to increased humidity at 83%. For more details on November weather in Santarem, you can check Santarem weather in November.

The weather in August is characterized by warm temperatures, with average highs reaching up to 43°C (110°F) and low humidity levels at around 60%. In contrast, December brings a significant drop in temperature, with average highs around 20°C (68°F) and lows dipping to -2°C (28°F). Additionally, December experiences heavier precipitation, totaling 59 mm (2.3 in) over about 8 days, compared to August's minimal 6 mm (0.2 in) over just one day. For more details on the conditions during December, you can visit Santarem weather in December.

Compare Santarem's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Santarem

August in Santarem is characterized by hot, dry conditions, setting it apart from the milder temperatures and higher precipitation typical of other months. With maximum temperatures soaring up to 43°C (110°F), this month offers a stark contrast to the more temperate climate experienced earlier in the year. The average temperature settles at a comfortable 22°C (72°F), while the minimal dip to 13°C (56°F) invites cool respite during the evenings. Rain is a rarity, with only 6 mm falling on a single day, leading to a humidity level of around 60% that adds to the warmth. For a deeper understanding of the weather patterns throughout the year, check out Santarem Climate.