Climate and monthly weather forecastAlvor, Portugal
Climate and monthly weather forecast
The climate of Alvor
In the town of Alvor, Portugal, the weather remains under the influence of the Mediterranean climate which is identified as a 'Csa' in the Köppen climate classification system. This type of weather brings hot and dry summers, and mild winters to this coastal town nestled on the southern Portugal coast.Throughout the year, temperatures display a typical Mediterranean pattern. They range from 15.2°C (59.4°F) in January to a high of 25.9°C (78.6°F) in July. This fluctuation in temperatures can be better understood through individual monthly averages. The temperature increases from 15.2°C (59.4°F) in January to 20.8°C (69.4°F) in May, reaching its peak at 25.9°C (78.6°F) in July, maintaining a similar degree throughout August, and finally declining to 16.5°C (61.7°F) by December.
The rainfall pattern in Alvor also follows the Mediterranean standard. Rainfall is relatively low throughout the year with an increase in the winter months. This means that the town experiences about 2mm (0.08") of rainfall in January and February, increasing to around 8mm (0.31") in November and decreasing slightly to 5mm (0.2") by December. Alvor enjoys over 10 hours of daylight from March to September, providing ample opportunity to indulge in outdoor activities.
On the more technical side, parameters such as relative humidity, sea temperature and wind speed remain quite stable throughout the year. Pressure ranges from 1015.6 millibars in April to 1022.5 millibars in December.
The best time to visit Alvor
Vacationers who are planning their trip to Alvor and looking to enjoy pleasant weather may find the period from June through September suitable. During these months, average temperatures range from 22.9°C (73.2°F) to 25.9°C (78.6°F). The weather is largely dry, with a minimal degree of rainfall, if any. Additionally, sunshine duration remains favourable, with maximum sunlight lasting from 11.5 hours to 11.8 hours daily. Sea temperature, reaching up to 21.2°C (70.2°F) in September, rounds off the overall favourable weather conditions, ideal for beach lovers.The worst time to visit Alvor
If weather patterns serve as the determinant factor for a visit, the period from November to January can be considered the least favourable for visiting Alvor. This period witnesses the lowest temperatures of the year, from 15.2°C (59.4°F) to 18.1°C (64.6°F), along with the highest rainfall, reaching 8mm (0.31") in November.Spring weather in Alvor
During the spring months of March to May in Alvor, the climate transitions from the cooler end of the spectrum towards more warmth. Average temperatures vary from 16.3°C (61.3°F) to 20.8°C (69.4°F). Rainfall decreases significantly, from 5mm (0.2") in March to 2mm (0.08") by May end. The number of daylight hours also increase dramatically, from 12 hours in March to 14.2 hours in May, indicating the arrival of longer, sun-filled days.Summer weather in Alvor
Sliding into the summer months of June to August, Alvor experiences its peak temperatures. The temperatures can reach a high of 25°C (77°F) in June and go up to 25.9°C (78.6°F) by August. The high temperatures are accompanied by an almost complete absence of rainfall, rendering the weather hot and dry. The day extends up to 14.7 hours of daylight in June, which starts to decrease slowly, reaching 13.6 hours by August.Autumn weather in Alvor
Autumn, encompassing the months of September to November, marks a gradual decrease in temperature from 24.5°C (76.1°F) to 18.1°C (64.6°F). Alongside falling temperature, Alvor experiences an increase in rainfall starting from 0mm (0") in September and reaching 8mm (0.31") in November. The duration of daylight also shortens, from 12.4 hours in September to 10.2 hours in November.Winter weather in Alvor
Winter in Alvor, ranging from December to February, brings with it lower temperatures and increased rainfall. The average temperature during these months oscillates between 15.2°C (59.4°F) and 16.3°C (61.3°F), while rainfall ranges from 5mm (0.2") in December to 2mm (0.08") by February. The daylight hours remain the least, with 9.7 hours in December and about 10 hours from January to February. Nevertheless, compared to many other regions, the winter months in Alvor are quite mild.Weather in January
January in Alvor, Portugal greets with a predominantly moderate climate. Rainfall is minimal, with only two days on average of light showers, offering mostly dry conditions throughout the month. In terms of wind speed, January sees an average wind speed of 18.1km/h (11.2mph) and momentary gusts reaching up to 27.5km/h (17.1mph), contributing to a fresh ambiance. Weather in January »Weather in February
As February approaches, Alvor witnesses marginally warmer temperature conditions than January but still remains in the grips of winter. The moderate climate is accompanied by a slight decrease in relative humidity. The precipitation average stays the same as January, indicating little to no change from the last month. Weather in February »Weather in March
Transitioning into March, the weather warms up a bit in Alvor. The frequency of rainy days sees a slight increase, with the town receiving rain for an average of 3.5 days. Despite the occasional showers, the number of sunshine days surpasses that of the previous month. Weather in March »Weather in April
April marks the take-off towards spring in Alvor. The rising temperature becomes increasingly evident, enticing residents and visitors to embrace more outdoor pursuits. With an average rainfall of 5mm (0.2") spread over an approximate five days, April sees a slight increment in wet conditions from March. Weather in April »Weather in May
With the arrival of May, Alvor basks in the full bloom of spring. The temperature continues to climb, creating pleasant and sunny conditions. While the rainfall decreases tremendously to 2mm (0.08") from April to May, the number of sunshine hours per day experiences a significant leap. Weather in May »Weather in June
June rings in the summer in Alvor introducing the city to its sunniest month with a daily average of 11.5 hours of sunshine. As compared to May, a sharp change is observed in the rainfall, reducing to no episodes of rain for the month. Weather in June »Weather in July
The heatwave continues in Alvor throughout July, with afternoon temperatures often reaching up to 25°C (77°F). With negligible rainfall, this month exhibits the driest conditions of the year, providing uninterrupted sunshine. A consistent upward trend in sea temperature continues, making it excellent for swimming and surfing. Weather in July »Weather in August
As Alvor enters August, the scorching heat reaches its zenith recording the highest average temperature for the year at 25.9°C (78.6°F). Despite the high temperatures, a drop in average wind speed to 15.8km/h (9.8mph) balances the climate making it comfortable. Weather in August »Weather in September
September sees a slight relief from the peak summer in Alvor. Cooling begins but the temperature remains robust enough for swimming and sunbathing. While rainfall remains at its lowest, the frequency of sunshine days takes a dip from August. Weather in September »Weather in October
With the commencement of October, a palpable shift in weather condition is observed in Alvor. Folks start experiencing cooler evenings yet the daytime remains fairly warm. Although rainfall takes a jump to 3mm (0.12") after three months of virtually no rain, it still does not interfere much with outdoor plans. Weather in October »Weather in November
November marks the onset of Autumn in Alvor. Precipitation increases substantially - stepping up from 3mm (0.12") in October to 8mm (0.31") in November. Temperature shows a considerable drop, indicating the disappearance of the summer heat. Weather in November »Weather in December
December rings in the winter season in Alvor. With a further drop in temperature, this month happens to be the time when the city starts to cool down significantly. An increase in precipitation to 5mm (0.2") hints the onset of the more moist period of the year. Weather in December »Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The month of January sees the average lowest temperatures, reaching 15.2°C (59.4°F) at the peak and 11.5°C (52.7°F) at the low.
Throughout the year, in Alvor, there are 25.8 rainfall days, and 32mm (1.26") of precipitation is accumulated.
January has the least sunshine of the year in Alvor, Portugal, with an average of 6.1h of sunshine.
The months with the lowest UV index in Alvor are January through March, November and December, with an average maximum UV index of 4.
March is the month with the coldest seawater in Alvor, with an average sea temperature of 16°C (60.8°F).
The most humid month is April, with an average relative humidity of 76%.
In Alvor, Portugal, rain does not fall in June through September.
The month with the longest days in Alvor, Portugal, is June, with an average of 14h and 42min of daylight.
June through September, with an average maximum UV index of 6, are months with the highest UV index in Alvor, Portugal.
The month with the most sunshine in Alvor is July, with an average of 11.8h of sunshine.
Alvor's warmest month, August, generally records average temperatures ranging from a high of 25.9°C (78.6°F) to a low of 19.7°C (67.5°F).
The least humid month is August, with an average relative humidity of 69%.
September is the month with the warmest seawater in Alvor, Portugal, with an average sea temperature of 21.2°C (70.2°F).
January through May, October through December are months with rainfall.
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends in Alvor, Portugal, and the time zone changes from WEST to WET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 01:00, and the time zone reverts from WET to WEST.
November is the month with the most rainfall in Alvor. Rain falls for 4 days and accumulates 8mm (0.31") of precipitation.
The month with the shortest days is December, with an average of 9h and 42min of daylight.
Average temperature
Alvor, Portugal
The warmest month (with the highest average high temperature) is August (25.9°C).
The month with the lowest average high temperature is January (15.2°C).
The month with the highest average low temperature is August (19.7°C).
The coldest month (with the lowest average low temperature) is February (11.3°C).
Average pressure
Alvor, Portugal
- Average pressure in January:
1022.4mbar - Average pressure in February:
1020.3mbar - Average pressure in March:
1017.7mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1016.9mbar
- Average pressure in July:
1016.4mbar - Average pressure in August:
1016.1mbar - Average pressure in September:
1016.7mbar - Average pressure in October:
1016.2mbar - Average pressure in November:
1017.5mbar - Average pressure in December:
1022.5mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed
Alvor, Portugal
- Average wind speed in January:
18.1km/h - Average wind speed in February:
19.1km/h - Average wind speed in March:
19km/h - Average wind speed in April:
17.6km/h - Average wind speed in May:
16.5km/h - Average wind speed in June:
16.6km/h
- Average wind speed in July:
17.5km/h - Average wind speed in August:
15.8km/h - Average wind speed in September:
13.6km/h - Average wind speed in October:
14.7km/h - Average wind speed in November:
17.5km/h - Average wind speed in December:
17.6km/h
The windiest month (with the highest average wind speed) is February (19.1km/h).
The calmest month (with the lowest average wind speed) is September (13.6km/h).
Average humidity
Alvor, Portugal
The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is August (69%).
Average rainfall
Alvor, Portugal
The wettest month (with the highest rainfall) is November (8mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).
Average rainfall days
Alvor, Portugal
- Average rainfall days in January:
2.5 days - Average rainfall days in February:
1 days - Average rainfall days in March:
3.5 days - Average rainfall days in April:
4.8 days - Average rainfall days in May:
1.6 days - Average rainfall days in June:
1 days
- Average rainfall days in July:
0.8 days - Average rainfall days in August:
0.2 days - Average rainfall days in September:
1.4 days - Average rainfall days in October:
2.5 days - Average rainfall days in November:
4 days - Average rainfall days in December:
2.5 days
The month with the highest number of rainy days is April (4.8 days).
The month with the least rainy days is August (0.2 days).
Average sea temperature
Alvor, Portugal
The best month for swimming (with the highest average sea temperature) is September (21.2°C).
The coldest month (with the lowest average sea temperature) is March (16°C).
Average daylight / Average sunshine
Alvor, Portugal
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 42min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 6min - Average sunshine in February:
8h and 6min - Average sunshine in March:
8h and 24min - Average sunshine in April:
9h and 18min - Average sunshine in May:
11h and 6min - Average sunshine in June:
11h and 30min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 30min - Average sunshine in September:
9h and 36min - Average sunshine in October:
7h and 42min - Average sunshine in November:
6h and 30min - Average sunshine in December:
6h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days
Alvor, Portugal
- Average sunshine days in January:
26.7 days - Average sunshine days in February:
25.7 days - Average sunshine days in March:
27 days - Average sunshine days in April:
25.1 days - Average sunshine days in May:
28.6 days - Average sunshine days in June:
28.9 days
- Average sunshine days in July:
30.6 days - Average sunshine days in August:
30.6 days - Average sunshine days in September:
28.5 days - Average sunshine days in October:
25.7 days - Average sunshine days in November:
23.2 days - Average sunshine days in December:
27.5 days
The months with the most sunshine days are July and August (30.6 days).
The month with the least sunshine days is November (23.2 days).
Average UV index
Alvor, Portugal
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover
Alvor, Portugal
The month with the most cloud cover is January (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility
Alvor, Portugal
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
