Monthly weather forecast and climate
Rio de Onor, Portugal

Weather in January

January, like December, is another chilly winter month in Rio de Onor, Portugal, with average temperature varying between 8.3°C (46.9°F) and 1.3°C (34.3°F). The coldest month is January, with an average high-temperature of 8.3°C (46.9°F) and an average low-temperature of 1.3°C (34.3°F). Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Rio de Onor, Portugal, with average temperature ranging between max 9.4°C (48.9°F) and min 1.2°C (34.2°F). In February, the average high-temperature is practically the same as in January - a still frosty 9.4°C (48.9°F). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Rio de Onor, Portugal, with average temperature fluctuating between 12.6°C (54.7°F) and 2.7°C (36.9°F). In Rio de Onor, Portugal, the average high-temperature slightly increases, from a frosty 9.4°C (48.9°F) in February, to a cool 12.6°C (54.7°F). Weather in March »

Weather in April

April is a mild spring month in Rio de Onor, Portugal, with temperature in the range of an average high of 15.5°C (59.9°F) and an average low of 4.6°C (40.3°F). In Rio de Onor, the average high-temperature in April is relatively the same as in March - a moderate 15.5°C (59.9°F). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Rio de Onor, Portugal, with average temperature ranging between min 8°C (46.4°F) and max 19.6°C (67.3°F). In May, the average high-temperature marginally rises, from a moderate 15.5°C (59.9°F) in April, to an enjoyable 19.6°C (67.3°F). Weather in May »

Weather in June

June, the first month of the summer, in Rio de Onor, is a warm month, with average temperature fluctuating between 11.2°C (52.2°F) and 23.8°C (74.8°F). In Rio de Onor, the average high-temperature in June marginally rises, from a comfortable 19.6°C (67.3°F) in May, to a moderately hot 23.8°C (74.8°F). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Rio de Onor, Portugal, with average temperature fluctuating between 13.8°C (56.8°F) and 28.2°C (82.8°F). In Rio de Onor, the average high-temperature marginally rises, from a warm 23.8°C (74.8°F) in June, to a still moderately hot 28.2°C (82.8°F). Weather in July »

Weather in August

August, the last month of the summer, in Rio de Onor, is also a moderately hot month, with temperature in the range of an average low of 13.4°C (56.1°F) and an average high of 28.3°C (82.9°F). With an average high-temperature of 28.3°C (82.9°F) and an average low-temperature of 13.4°C (56.1°F), August is the warmest month. In August, the average heat index is calculated to 29°C (84.2°F). Weather in August »

Weather in September

September, the first month of the autumn, in Rio de Onor, is still a warm month, with average temperature fluctuating between 24.3°C (75.7°F) and 11.5°C (52.7°F). In Rio de Onor, the average high-temperature slightly decreases, from 28.3°C (82.9°F) in August, to a still warm 24.3°C (75.7°F). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Rio de Onor, Portugal, with average temperature varying between 8.6°C (47.5°F) and 18.3°C (64.9°F). In October, the average high-temperature decreases, from a moderately hot 24.3°C (75.7°F) in September, to an enjoyable 18.3°C (64.9°F). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Rio de Onor, Portugal, with average temperature fluctuating between 4.3°C (39.7°F) and 11°C (51.8°F). In November, the average high-temperature decreases, from an enjoyable 18.3°C (64.9°F) in October, to a fresh 11°C (51.8°F). Weather in November »

Weather in December

December, the first month of the winter, in Rio de Onor, is still a chilly month, with average temperature varying between 2°C (35.6°F) and 8.9°C (48°F). In December, the average high-temperature is relatively the same as in November - a frosty 8.9°C (48°F). Weather in December »
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FAQ

What is the coldest month in Rio de Onor?

The coldest month is January, with an average high-temperature of 8.3°C (46.9°F) and an average low-temperature of 1.3°C (34.3°F).

What is the most humid month in Rio de Onor?

January is the most humid month, with an average relative humidity of 85%.

How much does it rain in Rio de Onor?

In Rio de Onor, Portugal, during the entire year, the rain falls for 141.7 days and collects up to 532mm (20.94") of precipitation.

When does it snow in Rio de Onor?

January through March, November and December are months with snowfall.

How many days does it snow in Rio de Onor?

Throughout the year, in Rio de Onor, Portugal, there are 6.4 snowfall days, and 51mm (2.01") of snow is accumulated.

What is the month with the least sunshine in Rio de Onor?

The month with the least sunshine is January, with an average of 4.8h of sunshine.

What is the month with the lowest UV index in Rio de Onor?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

When does it snow the most in Rio de Onor?

February is the month with the most snowfall in Rio de Onor. Snow falls for 2 days and accumulates 19mm (0.75") of snow.

When it does not snow in Rio de Onor?

In Rio de Onor, Portugal, snow does not fall in April through October.

When are the longest days in Rio de Onor?

The month with the longest days is June, with an average of 15.2h of daylight.

What month has the most sunshine in Rio de Onor?

July has the most sunshine of the year, with an average of 11.8h of sunshine.

When is the highest UV index in Rio de Onor?

July is the month with the highest UV index, with an average maximum UV index of 6.

What is the warmest month in Rio de Onor?

August is the warmest month in Rio de Onor, Portugal, with an average high-temperature of 28.3°C (82.9°F) and an average low-temperature of 13.4°C (56.1°F).

What is the least humid month in Rio de Onor?

The least humid month in Rio de Onor is August, with an average relative humidity of 52%.

What is the driest month in Rio de Onor?

The month with the least rainfall in Rio de Onor, Portugal, is August when the rain falls for 4.2 days and typically collects 11mm (0.43") of precipitation.

What is the wettest month in Rio de Onor?

The month with the most rainfall in Rio de Onor is November when the rain falls for 15.8 days and typically aggregates up to 73mm (2.87") of precipitation.

What is the month with the shortest days in Rio de Onor?

The month with the shortest days in Rio de Onor, Portugal, is December, with an average of 9.2h of daylight.

Average temperature
Rio de Onor, Portugal

Average temperature - Rio de Onor, Portugal

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).

The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).

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Average pressure
Rio de Onor, Portugal

Average pressure - Rio de Onor, Portugal

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

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Average wind speed
Rio de Onor, Portugal

Average wind speed - Rio de Onor, Portugal

The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.4km/h).

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Average humidity
Rio de Onor, Portugal

Average humidity - Rio de Onor, Portugal

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).

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Average rainfall
Rio de Onor, Portugal

Average rainfall - Rio de Onor, Portugal

The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).

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Average rainfall days
Rio de Onor, Portugal

Average rainfall days - Rio de Onor, Portugal

The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).

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Average snowfall
Rio de Onor, Portugal

Average snowfall - Rio de Onor, Portugal

The month with the highest snowfall is February (19mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days
Rio de Onor, Portugal

Average snowfall days - Rio de Onor, Portugal

The month with the highest number of snowfall days is January (2.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Rio de Onor, Portugal

Average daylight / Average sunshine - Rio de Onor, Portugal

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 4.8h).

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Average sunshine days
Rio de Onor, Portugal

Average sunshine days - Rio de Onor, Portugal

The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).

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Average UV index
Rio de Onor, Portugal

Average UV index - Rio de Onor, Portugal

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Rio de Onor, Portugal

Average visibility - Rio de Onor, Portugal

Months with the highest visibility are June, July, August and September (10km).
Months with the lowest visibility are January, November and December (8km).

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