Guia
Portugal
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Guia, Portugal

January, like December, is another mild winter month in Guia, Portugal, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 15°C (59°F). January is the coldest month, with an average high-temperature of 15°C (59°F) and an average low-temperature of 10.8°C (51.4°F). Weather in January »

The last month of the winter, February, is also a moderate month in Guia, Portugal, with average temperature fluctuating between 10.6°C (51.1°F) and 15.4°C (59.7°F). In February, the average high-temperature is almost the same as in January - a still moderate 15.4°C (59.7°F). Weather in February »

March, the first month of the spring, in Guia, is an enjoyable month, with average temperature varying between 16.7°C (62.1°F) and 11.8°C (53.2°F). In March, the average high-temperature is relatively the same as in February - an enjoyable 16.7°C (62.1°F). Weather in March »

April, the same as March, is another enjoyable spring month in Guia, Portugal, with temperature in the range of an average high of 18.2°C (64.8°F) and an average low of 12.8°C (55°F). In April, the average high-temperature is essentially the same as in March - a still enjoyable 18.2°C (64.8°F). Weather in April »

May, the last month of the spring, in Guia, is a pleasant month, with average temperature fluctuating between 15.5°C (59.9°F) and 21.3°C (70.3°F). In May, the average high-temperature marginally rises, from a comfortable 18.2°C (64.8°F) in April, to an agreeable 21.3°C (70.3°F). Weather in May »

June, the first month of the summer, in Guia, is a warm month, with temperature in the range of an average low of 17.6°C (63.7°F) and an average high of 23.9°C (75°F). In Guia, the average high-temperature in June is almost the same as in May - a warm 23.9°C (75°F). Weather in June »

July, the same as June, is a moderately hot summer month in Guia, Portugal, with temperature in the range of an average high of 26.4°C (79.5°F) and an average low of 19.1°C (66.4°F). In Guia, the average high-temperature is relatively the same as in June - a still moderately hot 26.4°C (79.5°F). Weather in July »

August, the last month of the summer, in Guia, is also a moderately hot month, with average temperature varying between 19.7°C (67.5°F) and 27.4°C (81.3°F). With an average high-temperature of 27.4°C (81.3°F) and an average low-temperature of 19.7°C (67.5°F), August is the warmest month. The average heat index is calculated to 29°C (84.2°F). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Guia, Portugal, with average temperature fluctuating between 19.2°C (66.6°F) and 25°C (77°F). In Guia, the average high-temperature in September is essentially the same as in August - a still moderately hot 25°C (77°F). Weather in September »

October, the same as September, in Guia, Portugal, is an agreeable autumn month, with average temperature ranging between max 22.5°C (72.5°F) and min 17.5°C (63.5°F). In October, the average high-temperature is practically the same as in September - an agreeable 22.5°C (72.5°F). Weather in October »

November, the last month of the autumn, in Guia, is another comfortable month, with average temperature ranging between max 18.1°C (64.6°F) and min 13.9°C (57°F). In November, the average high-temperature slightly decreases, from an agreeable 22.5°C (72.5°F) in October, to a comfortable 18.1°C (64.6°F). Weather in November »

The first month of the winter, December, is still a comfortable month in Guia, Portugal, with average temperature ranging between max 16.4°C (61.5°F) and min 11.9°C (53.4°F). In December, the average high-temperature is essentially the same as in November - a still comfortable 16.4°C (61.5°F). Weather in December »

What is the coldest month in Guia?

The coldest month in Guia, Portugal, is January, with an average high-temperature of 15°C (59°F) and an average low-temperature of 10.8°C (51.4°F).

What are the most humid months in Guia?

Months with the highest humidity in Guia, Portugal, are January, March, April and December, with an average relative humidity of 75%.

How many days does it rain in Guia?

Throughout the year, there are 62.4 rainfall days, and 78mm (3.07") of precipitation is accumulated.

What is the month with the least sunshine in Guia?

The month with the least sunshine is January, with an average of 6h of sunshine.

When is the lowest UV index in Guia?

January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Guia.

What is the month with the coldest sea water in Guia?

With an average sea temperature of 15°C (59°F), February is the month with the coldest seawater.

When are the longest days in Guia?

With an average of 14.7h of daylight, June has the longest days of the year in Guia, Portugal.

When is the highest UV index in Guia?

Months with the highest UV index are June through September, with an average maximum UV index of 6.

What is the driest month in Guia?

July is the only month when rain does not fall in Guia.

What month has the most sunshine in Guia?

The month with the most sunshine is July, with an average of 11.9h of sunshine.

What is the warmest month in Guia?

With an average high-temperature of 27.4°C (81.3°F) and an average low-temperature of 19.7°C (67.5°F), August is the warmest month in Guia, Portugal.

What is the least humid month in Guia?

With an average relative humidity of 64%, August is the least humid month.

When does it rain in Guia?

Months with rainfall in Guia are January through June, August through December.

What months are the sea warmest in Guia?

August and September, with an average sea temperature of 21°C (69.8°F), are months with the warmest seawater.

What is the rainiest month in Guia?

November is the month with the most rainfall. Rain falls for 9.2 days and accumulates 14mm (0.55") of precipitation.

What is the month with the shortest days in Guia?

With an average of 9.7h of daylight, December has the shortest days of the year.
Average temperature - Guia, Portugal
Average humidity - Guia, Portugal
Average rainfall - Guia, Portugal
Average rainfall days - Guia, Portugal
Average sea temperature - Guia, Portugal

The best months for swimming (with the highest average sea temperature) are August and September (21°C).
The coldest month (with the lowest average sea temperature) is February (15°C).

Average daylight / Average sunshine - Guia, Portugal

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is January (Average sunshine: 6h).

Average UV index - Guia, Portugal

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 4).