Climate and monthly weather forecastPortalegre, Portugal
Climate and monthly weather forecast
The climate of Portalegre
Occupying a scenic position in the north of Portugal, Portalegre experiences a Mediterranean climate (Csa), according to the Köppen climate classification. This translates into hot, dry summers and cool, wet winters. The city's climate is a blend of temperature extremes, varying humidity, and differing levels of precipitation throughout the year.Temperatures fluctuate significantly from a low of 4.2°C (39.6°F) in January to an intense high of 33.3°C (91.9°F) in August. Humidity follows an inverse course, with the highest percentages noticed in the colder months, from 80% in December to 83% in January, which drop to 43% by August as the aridity of the Mediterranean summer sets in.
Precipitation in Portalegre also presents an interesting pattern - the city sees the least rainfall from June to September where the monthly averages fall between 3mm (0.12") and 5mm (0.2"). On the opposite side of the spectrum, November witnesses the highest rainfall of 39mm (1.54"). Daylight hours peak at 14.9 hours in June, whilst the shortest day of the year is in December with 9.4 hours. The consistent factor in Portalegre’s weather is the visibility, averaging between 8km (5mi) and 10km (6.2mi) throughout the year.
The best time to visit Portalegre
For those wishing to experience the charm and warmth of Portalegre in its prime, June to September is the recommended period. These hot summer months offer an average high temperature ranging from 23.8°C (74.8°F) to 33.3°C (91.9°F), ideal conditions for outdoor exploration and soaking in the sun. During these months, the city enjoys prolonged daylight, from 14.3 to 14.9 hours per day, affording tourists ample opportunities to enjoy the scenic beauty of the region. Additionally, the relative dryness of these months, as low as 3mm (0.12") of rainfall in July, ensures uninterrupted outdoor activities.The worst time to visit Portalegre
Despite its beauty, Portalegre's charm fades with the arrival of harsh winter months from December to February, where temperatures dip to their minimums. Average low temperatures creep down between 4.2°C (39.6°F) in January and 5.3°C (41.5°F) in December. Adding to this, high humidity percentages of at least 80%, combined with rainfall averaging between 21mm (0.83") to 26mm (1.02"), can make these months uncomfortable for tourists. Consequently, outdoor activities become less enjoyable, which may limit travelers' exploration options.Spring weather in Portalegre
Spring ushers in a time of pleasant weather in Portalegre, from March to May. With average high temperatures increasing gradually from 16.1°C (61°F) to 23.8°C (74.8°F) and humidity dropping from 77% to 63%, the conditions give tourists the opportunity to explore the city leisurely. The increasing daylight hours, from 12 hours in March to 14.3 hours in May, further contribute to the pleasant conditions. Rainfall hovers around an average of 24mm (0.94") during this season which is moderate compared to the rest of the year.Summer weather in Portalegre
The Mediterranean influence on Portalegre's climate is most evident during the summer months from June to August, with temperatures peaking up to 33.3°C (91.9°F), and humidity dropping to a comfortable 43%. A bonus is the decrease in rainfall, falling to a minimal monthly average of 3mm (0.12") in July and 4mm (0.16") in August. With longest daylight hours of the year, from 14.3 hours in June to 14.6 hours in July, it provides plenty of sunlight for outdoor activities.Autumn weather in Portalegre
As Autumn sets in during September to November, Portalegre witnesses a gradual cooling of temperatures from highs of 29.4°C (84.9°F) in September to 15.5°C (59.9°F) in November. Rainfall starts to pick up from 8mm (0.31") in September to a high of 39mm (1.54") in November, coupled with an increase in humidity from 48% to 78%. Despite these changes, the duration of daylight remains sufficient for exploring the city, with hours ranging from 12.4 in September to 10 in November.Winter weather in Portalegre
Portalegre’s winter from December to February is marked by cooler temperatures, with averages dipping to a chilly low of 4.2°C (39.6°F) in January. Coupled with increased humidity levels ranging from 78% in January to 80% in December, and moderate rainfall between 21mm (0.83") and 26mm (1.02"), winters provide a stark contrast to the summer months. Daylight hours shrink to the shortest of the year, from 9.4 hours in December to 9.8 hours in February, marking a typical Mediterranean winter.Weather in January
January in Portalegre, Portugal, is characterized by chilly temperatures and relatively high humidity. There are more daylight hours compared to the previous month, making the days a bit longer. The weather is often cloudy, attributing to the lower amount of sunshine this month receives. Weather in January »Weather in February
February shows signs of impending spring in Portalegre with a slight increase in temperatures. With an average of 13.5°C (56.3°F), the temperatures are higher in February compared to January. More days in the month experience sunshine, and there is a noticeable decrease in cloud cover. Weather in February »Weather in March
Weather in March shifts towards more spring-like conditions. Days become longer, and there is an increase in sunshine hours. Mornings and evenings remain cool, but afternoons start to warm up. March in Portalegre is the third wettest month, with a rainfall of 26mm (1.02") spread across 11.2 days. Weather in March »Weather in April
April heralds the onset of warmer, sunnier weather. Days continue to get longer, with longer hours of sunshine. This transition from Spring to Summer is marked with light breezes and clearer skies. Despite the generally pleasant weather, April is the year's wettest month, witnessing an average rainfall of 32mm (1.26"). Weather in April »Weather in May
May signals the arrival of Summer in Portalegre. Days extend further, with maximum sunlight hours and an increase in ultraviolet index readings. The weather becomes genuinely delightful, with warm temperatures, lower humidity, and light breezes creating a pleasant atmosphere. Weather in May »Weather in June
June is one of the best months to visit Portalegre, thanks to its warm temperatures and welcoming skies. The long summer days and minimal cloud cover allow for plenty of sunshine. The month stands out with the highest daylight duration of 14.9 hours. Weather in June »Weather in July
July represents the peak of summer in Portalegre, Portugal. Temperatures soar, reaching up to an average high of 32.8°C (91°F). Long days continue, filling the city with abundant sunshine. Despite the high temperatures, the month sees the least humidity, which prevents weather from becoming unbearable. Weather in July »Weather in August
August continues with July's high temperatures, but the heat starts showing signs of cooling down later in the month. August ties with July for the least amount of rainfall and cloud cover, offering extensive hours of uninterrupted sunshine. Weather in August »Weather in September
September brings noticeable changes to Portalegre's weather. As the transition month from summer to autumn, temperatures begin to decrease after reaching their yearly highs. The climate starts cooling down, offering rejuvenating weather to visitors. Weather in September »Weather in October
October introduces autumn's cooler temperatures and rejuvenating breeze in Portalegre. A considerable decrease in temperature becomes noticeable, offering a refreshing contrast to the heat of the summer months. The city witnesses a significant rise in rainfall, averaging at 26mm (1.02"). Weather in October »Weather in November
November in Portalegre experiences further reduction in temperature. Days gradually become short, and the climate continues to cool, making it a quieter time in the city. With 39mm (1.54") of rainfall spread across 9.6 days, November is the wettest month of the year. Weather in November »Weather in December
December welcomes winter in Portalegre, with temperatures dropping to an average low of 5.3°C (41.5°F). Shorter days and longer nights mark the month, bringing crisp and chilly weather. Despite the decrease in daylight hours, the city still enjoys some sunshine during the day. 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 lowest temperatures are recorded in January, with averages reaching a high of 11.9°C (53.4°F) and a low of 4.2°C (39.6°F).
With an average relative humidity of 83%, January is the most humid month.
Throughout the year, there are 78.7 rainfall days, and 219mm (8.62") of precipitation is accumulated.
Months with snowfall in Portalegre are January through March.
In Portalegre, Portugal, during the entire year, snow falls for 0.9 days and aggregates up to 9mm (0.35") of snow.
January has the least sunshine of the year in Portalegre, with an average of 5.1h of sunshine.
The months with the lowest UV index in Portalegre, Portugal, are January through March, November and December, with an average maximum UV index of 3.
February is the month with the most snowfall. Snow falls for 0.4 days and accumulates 5mm (0.2") of snow.
April through December are months without snowfall in Portalegre, Portugal.
The month with the longest days in Portalegre is June, with an average of 14h and 54min of daylight.
The month with the least rainfall is July, when the rain falls for 1.7 days and typically collects 3mm (0.12") of precipitation.
July and August, with an average of 11.8h of sunshine, are months with the most sunshine in Portalegre, Portugal.
In Portalegre, the peak average temperatures are observed in August, with a high of 33.3°C (91.9°F) and a low of 17.7°C (63.9°F).
August is the least humid month, with an average relative humidity of 43%.
With an average maximum UV index of 7, August is the month with the highest UV index in Portalegre, Portugal.
On Sunday, 27. October 2024, at 02:00, Daylight Saving Time ends, 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 Portalegre, Portugal. Rain falls for 9.6 days and accumulates 39mm (1.54") of precipitation.
With an average of 9h and 30min of daylight, December has the shortest days of the year in Portalegre.
Average temperature
Portalegre, Portugal
The warmest month (with the highest average high temperature) is August (33.3°C).
The month with the lowest average high temperature is January (11.9°C).
The month with the highest average low temperature is August (17.7°C).
The coldest month (with the lowest average low temperature) is January (4.2°C).
Average pressure
Portalegre, Portugal
- Average pressure in January:
1022.4mbar - Average pressure in February:
1020.2mbar - Average pressure in March:
1017.7mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1015.8mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.4mbar - Average pressure in August:
1015.4mbar - Average pressure in September:
1016.3mbar - Average pressure in October:
1016.1mbar - Average pressure in November:
1017.4mbar - Average pressure in December:
1023mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed
Portalegre, Portugal
- Average wind speed in January:
10.8km/h - Average wind speed in February:
12.1km/h - Average wind speed in March:
11.7km/h - Average wind speed in April:
10.8km/h - Average wind speed in May:
10.4km/h - Average wind speed in June:
10.4km/h
- Average wind speed in July:
10.1km/h - Average wind speed in August:
9.2km/h - Average wind speed in September:
8.4km/h - Average wind speed in October:
9.2km/h - Average wind speed in November:
10.6km/h - Average wind speed in December:
10.1km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is September (8.4km/h).
Average humidity
Portalegre, Portugal
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (43%).
Average rainfall
Portalegre, Portugal
The wettest month (with the highest rainfall) is November (39mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days
Portalegre, Portugal
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
11.7 days - Average rainfall days in May:
6.5 days - Average rainfall days in June:
3.6 days
- Average rainfall days in July:
1.7 days - Average rainfall days in August:
1.8 days - Average rainfall days in September:
4.8 days - Average rainfall days in October:
7.1 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
7.7 days
The month with the highest number of rainy days is April (11.7 days).
The month with the least rainy days is July (1.7 days).
Average snowfall
Portalegre, Portugal
The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days
Portalegre, Portugal
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.4 days - Average snowfall days in March:
0.2 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Portalegre, Portugal
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
6h and 48min - Average sunshine in March:
7h and 24min - Average sunshine in April:
8h and 24min - Average sunshine in May:
10h and 12min - Average sunshine in June:
11h and 6min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 48min - Average sunshine in September:
9h and 30min - Average sunshine in October:
6h and 54min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 36min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days
Portalegre, Portugal
- Average sunshine days in January:
22 days - Average sunshine days in February:
21.5 days - Average sunshine days in March:
18.7 days - Average sunshine days in April:
16.6 days - Average sunshine days in May:
22.9 days - Average sunshine days in June:
25.3 days
- Average sunshine days in July:
28.7 days - Average sunshine days in August:
28.3 days - Average sunshine days in September:
24 days - Average sunshine days in October:
22.8 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
22.8 days
The month with the most sunshine days is July (28.7 days).
The month with the least sunshine days is April (16.6 days).
Average UV index
Portalegre, Portugal
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover
Portalegre, Portugal
The month with the most cloud cover is January (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility
Portalegre, Portugal
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is January (8km).
