Climate Overview
The climate in Aljustrel is temperate. The average annual temperature is 17°C and approximately 397mm of precipitation falls per year. March is the wettest month, receiving around 71mm of rainfall. Aljustrel is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 6°C.
Temperature
Temperatures in Aljustrel vary considerably across the year, with a 27°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 33°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 6°C and an average of 10°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.
Precipitation
Aljustrel is a quite dry location, receiving approximately 397mm of precipitation annually, which averages out to around 33mm per month. The wettest month is March, averaging 71mm of rainfall. April and November also tend to see above-average precipitation. The driest month is August, with just 1mm. That's 70mm less than March, 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.
Wind
Aljustrel is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
92 days until Autumn
It is currently summer in Aljustrel, which began on June 21, 2026. Aljustrel is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 33°C, while the coldest stretch bottoms out in January near 6°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.
Spring
Temperatures range from 8 to 25°C. Precipitation is moderate at around 177mm for the season, averaging 59mm per month. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 15 to 33°C. Precipitation is minimal, with only around 12mm for the entire season. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 10 to 30°C. Rainfall is relatively light, with around 103mm over the season and a monthly average of 34mm. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 6 to 17°C. Rainfall is relatively light, with around 105mm over the season and a monthly average of 35mm. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Aljustrel is during May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 18mm per month. By contrast, January can be quite cold with temperatures dropping to 6°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Aljustrel 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.