Climate Insights for Campo Maior

The climate in Campo Maior is hot. The average annual temperature is 26°C and approximately 312mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Campo Maior sits near the equator, so seasonal temperature differences are minimal throughout the year.

Campo Maior sees moderate temperature variation throughout the year, ranging from 17°C to 31°C. The warmest month is September, when average highs reach 31°C and the mean temperature sits around 29°C. March is the coolest month, with minimum temperatures around 17°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between February and March, with a 6°C shift in average temperatures.

Campo Maior is a quite dry location, receiving approximately 312mm of precipitation annually, which averages out to around 26mm per month. The wettest month is January, averaging 33mm of rainfall. March and April also tend to see above-average precipitation. The driest month is May, with just 1mm. That's 32mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Campo Maior is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 12km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 10km/h in winter, 7km/h in spring, 3km/h in summer, 7km/h in autumn.

It is currently winter in Campo Maior, which began on June 21, 2026. Campo Maior sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in September at around 31°C, while the coldest stretch bottoms out in March near 17°C. Spring is next, beginning on September 23, 2026 (16 days from now).

The best time to visit Campo Maior is during March and April, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 33mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 31°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Campo Maior based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.