Santiago do Cacém Temperatures: Monthly Averages and Year-Round Insights
On this page, we’ll explore temperature statistics for Santiago do Cacém in Alentejo, Portugal, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in Portugal.
Monthly Temperature Averages
In Santiago do Cacém, temperatures differ significantly between summer and winter months. Typically, maximum daytime temperatures range from a comfortable 28°C in August to a moderate 16°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 8°C, particularly during the colder months.
The chart below illustrates the average maximum day and minimum night temperatures in Santiago do Cacém by month:
Typically, the coolest time of day is between 4 AM and 6 AM, while the hottest time occurs around 3 PM, when the sun’s heating effect is strongest. August, the city’s warmest month, experiences 340 hours of sunshine.
The chart below shows the average temperature throughout the year:
January, the city’s coldest month, sees about 64 mm of rainfall spread over roughly 12 days. It records 165 hours of sunshine of sunshine.
Annual Temperatures in Portugal Compared
The map below shows the annual temperature across Portugal. You can also select the different months in case you are interested in a specific month.
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Santiago do Cacém Temperatures Compared World Wide
Santiago do Cacém’s average annual maximum temperature is 22°C. Let’s compare this with some popular tourist destinations:
In Lisbon, Portugal, the average annual temperature is 21°C, offering warm summers and mild, rainy winters.
In contrast, in Reykjavík, Iceland, the average annual temperature is significantly lower at 9°C, with mild summers and cold winters.
The climate in San Francisco, USA, is mild, with an average annual temperature of 19°C and minimal seasonal variation.
In Brisbane, Australia, the average annual temperature is 26°C, making it warmer than Sydney.
How does the temperature feel?
Humidity is an essential factor in how you experience temperature. When a warm period is accompanied by high humidity, it results in a higher perceived temperature. This is especially true when temperatures exceed 25°C, as it can cause greater discomfort.
In Santiago do Cacém, during the coolest month, January, you will experience 81% humidity, which is considered very high. This is accompanied by an average maximum temperature of 16°C. In the warmest month, August, the humidity is 50% combined with an average maximum temperature of 28°C, which creates a moderate-feel temperature. Explore our detailed page on humidity levels for further details.
How are these Temperatures Measured?
Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.
This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.
Global Warming and Its Effects
Climate change is affecting worldwide temperatures, including in Santiago do Cacém. It has massive impacts on both local and global levels:
- Global Temperature Rise: The average global land and sea temperatures have risen by about 1.2°C since pre-industrial times.
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Local Impacts: Most regions of the world are witnessing warmer winters with fewer frost and snowfall days. The global frequency and severity of heatwaves have increased. For example, Europe's summers of 2018, 2019, and 2020 all broke records. Summers are also becoming drier; however, during winter, inland regions have experienced increased rainfall. This has caused elevated river levels and more cases of flooding.
Many countries are experiencing earlier springs and later autumns. This is why some bird species have shifted their migration dates.
For more detailed information about Santiago do Cacém’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Santiago do Cacém climate page.
Current temperature in Santiago do Cacém
