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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a frosty winter month in Gralhas, Portugal, with an average temperature fluctuating between 1.8°C (35.2°F) and 8.9°C (48°F). In Gralhas, January is the coldest month, with temperatures averaging a high of 8.9°C (48°F) and a low of 1.8°C (35.2°F). Weather in January »
Weather in February
The last month of the winter, February, is a cool month in Gralhas, Portugal, with an average temperature ranging between max 10.3°C (50.5°F) and min 1.5°C (34.7°F). Gralhas marks the onset of February with an average high-temperature of a cool 10.3°C (50.5°F), a subtle shift from January's 8.9°C (48°F). Weather in February »
Weather in March
March, the first month of the spring in Gralhas, is a mild month, with an average temperature ranging between max 13.5°C (56.3°F) and min 3.1°C (37.6°F). March brings a slight rise in Gralhas's average high-temperature, moving from a fresh 10.3°C (50.5°F) in February to a mild 13.5°C (56.3°F). Weather in March »
Weather in April
April in Gralhas, Portugal, is a comfortable spring month, with an average temperature fluctuating between 16°C (60.8°F) and 5°C (41°F). The advent of April presents an average high-temperature of an enjoyable 16°C (60.8°F), maintaining a close correlation with the preceding month. Weather in April »
Weather in May
May, the last month of the spring in Gralhas, is a pleasant month, with an average temperature varying between 20.4°C (68.7°F) and 8.1°C (46.6°F). The average high-temperature mildly increases in May, edging from a refreshing 16°C (60.8°F) in April to an agreeable 20.4°C (68.7°F). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Gralhas, Portugal, with an average temperature fluctuating between 24.4°C (75.9°F) and 10.8°C (51.4°F). The start of June is characterized by a subtle increase in the average high-temperature, transitioning from a pleasant 20.4°C (68.7°F) in May to a moderately hot 24.4°C (75.9°F). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Gralhas, Portugal, with temperature in the range of an average high of 28.8°C (83.8°F) and an average low of 13.1°C (55.6°F). With the onset of July, Gralhas experiences a subtle temperature shift, with the average high-temperature moving from a moderately hot 24.4°C (75.9°F) in June to a still warm 28.8°C (83.8°F). Weather in July »
Weather in August
August, the last month of the summer in Gralhas, is also a moderately hot month, with temperature in the range of an average high of 29.1°C (84.4°F) and an average low of 13.1°C (55.6°F). August is the warmest month, with the temperature often reaching an average high of 29.1°C (84.4°F) and an average low of 13.1°C (55.6°F). The heat index in August is estimated at a tropical 31°C (87.8°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Gralhas, Portugal, with an average temperature varying between 25.7°C (78.3°F) and 11.3°C (52.3°F). The advent of September brings a subtle shift in temperature, with the average high moving from a moderately hot 29.1°C (84.4°F) in August to a still warm 25.7°C (78.3°F). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Gralhas, Portugal, with an average temperature varying between 8.6°C (47.5°F) and 19.2°C (66.6°F). With the onset of October, Gralhas's average high-temperature adjusts, receding from September's moderately hot 25.7°C (78.3°F) to an enjoyable 19.2°C (66.6°F). Weather in October »
Weather in November
November, the last month of the autumn in Gralhas, is also a fresh month, with an average temperature fluctuating between 4.9°C (40.8°F) and 11.5°C (52.7°F). The shift to November brings a decrease in the average high-temperature, falling from a refreshing 19.2°C (66.6°F) in October to a fresh 11.5°C (52.7°F). Weather in November »
Weather in December
December, the first month of the winter in Gralhas, is also a frosty month, with an average temperature varying between 2.5°C (36.5°F) and 9.8°C (49.6°F). The average high-temperature for December is a chilly 9.8°C (49.6°F), closely aligning with the temperature of the preceding month. Weather in December »
[Resources]Frequently asked questions
What is the coldest month in Gralhas?
January is the coldest month of the year, registering average temperatures as high as 8.9°C (48°F) and as low as 1.8°C (35.2°F).
What is the most humid month in Gralhas?
The most humid month is January, with an average relative humidity of 87%.
How many days does it rain in Gralhas?
Throughout the year, there are 127.3 rainfall days, and 455mm (17.91") of precipitation is accumulated.
When does it snow in Gralhas?
Months with snowfall in Gralhas, Portugal, are January and February.
How many days does it snow in Gralhas?
Throughout the year, in Gralhas, Portugal, there are 0.8 snowfall days, and 7mm (0.28") of snow is accumulated.
What is the month with the least sunshine in Gralhas?
January has the least sunshine of the year in Gralhas, Portugal, with an average of 4.4h of sunshine.
What are the months with the lowest UV index in Gralhas?
The months with the lowest UV index in Gralhas are January, February, November and December, with an average maximum UV index of 2.
What is the snowiest month in Gralhas?
The month with the most snowfall is February, when snow falls for 0.2 days and typically aggregates up to 5mm (0.2") of snow.
When it does not snow in Gralhas?
March through December are months without snowfall in Gralhas, Portugal.
When are the longest days in Gralhas?
The month with the longest days in Gralhas is June, with an average of 15h and 12min of daylight.
What is the driest month in Gralhas?
The months with the least rainfall in Gralhas are July and August Rain falls for 5.5 days and accumulates 11mm (0.43") of rain.
What month has the most sunshine in Gralhas?
July has the most sunshine of the year, with an average of 11.5h of sunshine.
When is the highest UV index in Gralhas?
With an average maximum UV index of 6, July is the month with the highest UV index.
What time of the year is the hottest in Gralhas?
Gralhas's warmest month, August, generally records average temperatures ranging from a high of 29.1°C (84.4°F) to a low of 13.1°C (55.6°F).
What is the least humid month in Gralhas?
With an average relative humidity of 56%, August is the least humid month.
When is Daylight Saving Time (DST) in Gralhas?
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.
What is the rainiest month in Gralhas?
December is the month with the most rainfall in Gralhas. Rain falls for 12.4 days and accumulates 72mm (2.83") of precipitation.
What is the month with the shortest days in Gralhas?
The month with the shortest days in Gralhas is December, with an average of 9h and 12min of daylight.
Average temperature
Gralhas, Portugal
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.9°C).
The months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).
Average pressure
Gralhas, Portugal
- Average pressure in January:
1021.9mbar - Average pressure in February:
1019.9mbar - Average pressure in March:
1017.7mbar - Average pressure in April:
1015.3mbar - Average pressure in May:
1016.7mbar - Average pressure in June:
1017mbar
- Average pressure in July:
1017.2mbar - Average pressure in August:
1017.2mbar - Average pressure in September:
1017.6mbar - Average pressure in October:
1016.5mbar - Average pressure in November:
1017.2mbar - Average pressure in December:
1022.7mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed
Gralhas, Portugal
- Average wind speed in January:
7.1km/h - Average wind speed in February:
7.9km/h - Average wind speed in March:
8.3km/h - Average wind speed in April:
7.5km/h - Average wind speed in May:
7.4km/h - Average wind speed in June:
7.4km/h
- Average wind speed in July:
7.3km/h - Average wind speed in August:
7.1km/h - Average wind speed in September:
6.5km/h - Average wind speed in October:
6.5km/h - Average wind speed in November:
7.7km/h - Average wind speed in December:
6.7km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest months (with the lowest average wind speed) are September and October (6.5km/h).
Average humidity
Gralhas, Portugal
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).
Average rainfall
Gralhas, Portugal
The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (11mm).
Average rainfall days
Gralhas, Portugal
- Average rainfall days in January:
13.9 days - Average rainfall days in February:
10.9 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
12 days - Average rainfall days in June:
9.3 days
- Average rainfall days in July:
5.5 days - Average rainfall days in August:
3.8 days - Average rainfall days in September:
6.3 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
14.5 days - Average rainfall days in December:
12.4 days
The month with the highest number of rainy days is April (14.6 days).
The month with the least rainy days is August (3.8 days).
Average snowfall
Gralhas, Portugal
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days
Gralhas, Portugal
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.2 days - Average snowfall days in March:
0.1 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:
0.1 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Gralhas, Portugal
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
5h and 5min - Average sunshine in March:
7h and 1min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 3min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
11h and 3min - Average sunshine in August:
11h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Gralhas, Portugal
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
16.5 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
18.6 days
- Average sunshine days in July:
24.2 days - Average sunshine days in August:
25.5 days - Average sunshine days in September:
21.8 days - Average sunshine days in October:
18.9 days - Average sunshine days in November:
13.5 days - Average sunshine days in December:
17.1 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.5 days).
Average UV index
Gralhas, Portugal
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Gralhas, Portugal
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility
Gralhas, Portugal
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (6km).
Gralhas, Portugal
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