Monthly weather forecast and climate
Sijais, Portugal

Weather in January

January, like December, in Sijais, Portugal, is a cool winter month, with average temperature fluctuating between 12.8°C (55°F) and 8.8°C (47.8°F). With an average high-temperature of 12.8°C (55°F) and an average low-temperature of 8.8°C (47.8°F), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a moderate month in Sijais, Portugal, with average temperature varying between 13.3°C (55.9°F) and 8.5°C (47.3°F). In February, the average high-temperature is almost the same as in January - a mild 13.3°C (55.9°F). Weather in February »

Weather in March

March, the first month of the spring, in Sijais, is also a moderate month, with average temperature varying between 14.9°C (58.8°F) and 9.5°C (49.1°F). In March, the average high-temperature is relatively the same as in February - a still moderate 14.9°C (58.8°F). Weather in March »

Weather in April

April is a comfortable spring month in Sijais, Portugal, with average temperature fluctuating between 10.8°C (51.4°F) and 16.5°C (61.7°F). In Sijais, the average high-temperature is practically the same as in March - a comfortable 16.5°C (61.7°F). Weather in April »

Weather in May

May, the last month of the spring, in Sijais, is another comfortable month, with average temperature fluctuating between 12.8°C (55°F) and 18.9°C (66°F). In May, the average high-temperature is essentially the same as in April - a still comfortable 18.9°C (66°F). Weather in May »

Weather in June

June, the first month of the summer, in Sijais, is an agreeable month, with average temperature ranging between min 14.7°C (58.5°F) and max 20.8°C (69.4°F). In Sijais, the average high-temperature is practically the same as in May - an agreeable 20.8°C (69.4°F). Weather in June »

Weather in July

July, the same as June, in Sijais, Portugal, is another pleasant summer month, with average temperature fluctuating between 22.8°C (73°F) and 16.3°C (61.3°F). In July, the average high-temperature is practically the same as in June - a still pleasant 22.8°C (73°F). Weather in July »

Weather in August

August, the last month of the summer, in Sijais, is a moderately hot month, with average temperature fluctuating between 16.6°C (61.9°F) and 23.5°C (74.3°F). The warmest month is August, with an average high-temperature of 23.5°C (74.3°F) and an average low-temperature of 16.6°C (61.9°F). Weather in August »

Weather in September

September, the first month of the autumn, in Sijais, is still a pleasant month, with average temperature fluctuating between 16.5°C (61.7°F) and 22.8°C (73°F). In September, the average high-temperature is relatively the same as in August - a pleasant 22.8°C (73°F). Weather in September »

Weather in October

October, the same as September, in Sijais, Portugal, is an agreeable autumn month, with temperature in the range of an average low of 15°C (59°F) and an average high of 20°C (68°F). In Sijais, the average high-temperature in October is essentially the same as in September - a still pleasant 20°C (68°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Sijais, Portugal, with average temperature varying between 15.4°C (59.7°F) and 11.2°C (52.2°F). In Sijais, the average high-temperature in November marginally drops, from a pleasant 20°C (68°F) in October, to a mild 15.4°C (59.7°F). Weather in November »

Weather in December

The first month of the winter, December, is still a mild month in Sijais, Portugal, with average temperature fluctuating between 9.6°C (49.3°F) and 14°C (57.2°F). In December, the average high-temperature is practically the same as in November - a still mild 14°C (57.2°F). Weather in December »
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FAQ

What is the coldest month in Sijais?

January is the coldest month, with an average high-temperature of 12.8°C (55°F) and an average low-temperature of 8.8°C (47.8°F).

What is the most humid month in Sijais?

January is the most humid month in Sijais, with an average relative humidity of 80%.

How many days does it rain in Sijais?

Throughout the year, there are 131 rainfall days, and 766mm (30.16") of precipitation is accumulated.

What is the month with the least sunshine in Sijais?

January has the least sunshine of the year, with an average of 5h of sunshine.

What is the month with the lowest UV index in Sijais?

Months with the lowest UV index in Sijais, Portugal, are January, February, November and December, with an average maximum UV index of 3.

When is the highest UV index in Sijais?

May through September, with an average maximum UV index of 5, are months with the highest UV index.

When are the longest days in Sijais?

The month with the longest days is June, with an average of 15.1h of daylight.

What is the driest month in Sijais?

The month with the least rainfall is July when the rain falls for 4.5 days and typically collects 7mm (0.28") of precipitation.

What month has the most sunshine in Sijais?

With an average of 11.3h of sunshine, July has the most sunshine of the year in Sijais.

What is the warmest month in Sijais?

August is the warmest month in Sijais, Portugal, with an average high-temperature of 23.5°C (74.3°F) and an average low-temperature of 16.6°C (61.9°F).

What is the least humid month in Sijais?

September is the least humid month, with an average relative humidity of 72%.

What is the wettest month in Sijais?

The month with the most rainfall in Sijais, Portugal, is November when the rain falls for 16.4 days and typically aggregates up to 121mm (4.76") of precipitation.

What is the month with the shortest days in Sijais?

December has the shortest days of the year in Sijais, with an average of 9.2h of daylight.

Average temperature
Sijais, Portugal

Average temperature - Sijais, Portugal

The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (12.8°C).

The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (8.5°C).

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Average pressure
Sijais, Portugal

Average pressure - Sijais, Portugal

The month with the highest atmospheric pressure is December (1022.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed
Sijais, Portugal

Average wind speed - Sijais, Portugal

The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is September (11.8km/h).

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Average humidity
Sijais, Portugal

Average humidity - Sijais, Portugal

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is September (72%).

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Average rainfall
Sijais, Portugal

Average rainfall - Sijais, Portugal

The wettest month (with the highest rainfall) is November (121mm).
The driest month (with the least rainfall) is July (7mm).

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Average rainfall days
Sijais, Portugal

Average rainfall days - Sijais, Portugal

The month with the highest number of rainy days is November (16.4 days).
The month with the least rainy days is August (4.3 days).

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Average daylight / Average sunshine
Sijais, Portugal

Average daylight / Average sunshine - Sijais, Portugal

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

The month with the most sunshine is July (Average sunshine: 11.3h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days
Sijais, Portugal

Average sunshine days - Sijais, Portugal

The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is November (12.5 days).

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Average UV index
Sijais, Portugal

Average UV index - Sijais, Portugal

Months with the highest UV index are May, June, July, August and September (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Sijais, Portugal

Average visibility - Sijais, Portugal

Months with the highest visibility are February, March, April, May, June, July, September, October, November and December (10km).
Months with the lowest visibility are January and August (9km).

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