Monthly weather forecast and climate
Rio Bom, Portugal

Weather in January

January, the same as December, in Rio Bom, Portugal, is a frosty winter month, with average temperature varying between 1.8°C (35.2°F) and 8.9°C (48°F). The coldest month is January, with an average high-temperature of 8.9°C (48°F) and an average low-temperature of 1.8°C (35.2°F). Weather in January »

Weather in February

February, the last month of the winter, in Rio Bom, is a cool month, with average temperature ranging between max 10.3°C (50.5°F) and min 1.5°C (34.7°F). In Rio Bom, the average high-temperature in February is practically the same as in January - a cool 10.3°C (50.5°F). Weather in February »

Weather in March

March, the first month of the spring, in Rio Bom, is a mild month, with average temperature ranging between max 13.5°C (56.3°F) and min 3.1°C (37.6°F). In Rio Bom, Portugal, the average high-temperature in March marginally rises, from a fresh 10.3°C (50.5°F) in February, to a moderate 13.5°C (56.3°F). Weather in March »

Weather in April

April in Rio Bom, Portugal, is a comfortable spring month, with average temperature fluctuating between 5°C (41°F) and 16°C (60.8°F). In April, the average high-temperature is almost the same as in March - a comfortable 16°C (60.8°F). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Rio Bom, Portugal, with temperature in the range of an average low of 8.1°C (46.6°F) and an average high of 20.4°C (68.7°F). In Rio Bom, the average high-temperature marginally rises, from an enjoyable 16°C (60.8°F) in April, to a pleasant 20.4°C (68.7°F). Weather in May »

Weather in June

June, the first month of the summer, in Rio Bom, is a moderately hot month, with average temperature varying between 24.4°C (75.9°F) and 10.8°C (51.4°F). In June, the average high-temperature slightly increases, from an agreeable 20.4°C (68.7°F) in May, to a warm 24.4°C (75.9°F). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Rio Bom, Portugal, with average temperature varying between 13.1°C (55.6°F) and 28.8°C (83.8°F). In July, the average high-temperature marginally rises, 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 Rio Bom, is also a moderately hot month, with average temperature fluctuating between 29.1°C (84.4°F) and 13.1°C (55.6°F). August is the warmest month, with an average high-temperature of 29.1°C (84.4°F) and an average low-temperature of 13.1°C (55.6°F). The average heat index is evaluated at a hot 30.6°C (87.1°F). Weather in August »

Weather in September

September, the first month of the autumn, in Rio Bom, is also a moderately hot month, with temperature in the range of an average low of 11.3°C (52.3°F) and an average high of 25.7°C (78.3°F). In September, the average high-temperature marginally drops, from 29.1°C (84.4°F) in August, to a still moderately hot 25.7°C (78.3°F). Weather in September »

Weather in October

October, like September, in Rio Bom, Portugal, is another comfortable autumn month, with temperature in the range of an average high of 19.2°C (66.6°F) and an average low of 8.6°C (47.5°F). In Rio Bom, the average high-temperature decreases, from a moderately hot 25.7°C (78.3°F) in September, to an enjoyable 19.2°C (66.6°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Rio Bom, Portugal, with average temperature ranging between max 11.5°C (52.7°F) and min 4.9°C (40.8°F). In Rio Bom, Portugal, the average high-temperature decreases, from an enjoyable 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 Rio Bom, is also a frosty month, with average temperature varying between 9.8°C (49.6°F) and 2.5°C (36.5°F). In Rio Bom, the average high-temperature in December is almost the same as in November - a frosty 9.8°C (49.6°F). Weather in December »
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FAQ

What is the coldest month in Rio Bom?

January is the coldest month in Rio Bom, Portugal, with an average high-temperature of 8.9°C (48°F) and an average low-temperature of 1.8°C (35.2°F).

What is the most humid month in Rio Bom?

The most humid month in Rio Bom, Portugal, is January, with an average relative humidity of 87%.

How much does it rain in Rio Bom?

In Rio Bom, during the entire year, the rain falls for 127.3 days and collects up to 455mm (17.91") of precipitation.

When does it snow in Rio Bom?

Months with snowfall are January and February.

How much does it snow in Rio Bom?

In Rio Bom, during the entire year, snow falls for 0.8 days, and aggregates up to 7mm (0.28") of snow.

What is the month with the least sunshine in Rio Bom?

The month with the least sunshine is January, with an average of 4.4h of sunshine.

What are the months with the lowest UV index in Rio Bom?

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 Bom?

The month with the most snowfall in Rio Bom 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 Rio Bom?

March through December are months without snowfall.

When are the longest days in Rio Bom?

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

What is the driest month in Rio Bom?

Months with the least rainfall in Rio Bom are July and August Rain falls for 5.5 days and accumulates 11mm (0.43") of rain.

What month has the most sunshine in Rio Bom?

July has the most sunshine of the year in Rio Bom, with an average of 11.5h of sunshine.

What is the month with the highest UV index in Rio Bom?

July is the month with the highest UV index in Rio Bom, Portugal, with an average maximum UV index of 6.

What is the warmest month in Rio Bom?

The warmest month is August, with an average high-temperature of 29.1°C (84.4°F) and an average low-temperature of 13.1°C (55.6°F).

What is the least humid month in Rio Bom?

The least humid month in Rio Bom, Portugal, is August, with an average relative humidity of 56%.

What is the wettest month in Rio Bom?

The month with the most rainfall in Rio Bom is December when the rain falls for 12.4 days and typically aggregates up to 72mm (2.83") of precipitation.

What is the month with the shortest days in Rio Bom?

With an average of 9.3h of daylight, December has the shortest days of the year.

Average temperature
Rio Bom, Portugal

Average temperature - Rio Bom, 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).

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).

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Average pressure
Rio Bom, Portugal

Average pressure - Rio Bom, Portugal

The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed
Rio Bom, Portugal

Average wind speed - Rio Bom, Portugal

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).

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Average humidity
Rio Bom, Portugal

Average humidity - Rio Bom, Portugal

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (56%).

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Average rainfall
Rio Bom, Portugal

Average rainfall - Rio Bom, Portugal

The wettest month (with the highest rainfall) is December (72mm).
The driest months (with the least rainfall) are July and August (11mm).

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Average rainfall days
Rio Bom, Portugal

Average rainfall days - Rio Bom, Portugal

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).

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Average snowfall
Rio Bom, Portugal

Average snowfall - Rio Bom, Portugal

The month with the highest snowfall is February (5mm).
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days
Rio Bom, Portugal

Average snowfall days - Rio Bom, Portugal

The month with the highest number of snowfall days is January (0.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Rio Bom, Portugal

Average daylight / Average sunshine - Rio Bom, Portugal

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

The month with the most sunshine is July (Average sunshine: 11.5h).
The month with the least sunshine is January (Average sunshine: 4.4h).

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Average sunshine days
Rio Bom, Portugal

Average sunshine days - Rio Bom, Portugal

The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is November (13.5 days).

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Average UV index
Rio Bom, Portugal

Average UV index - Rio Bom, 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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