January weather forecast and climate
Raiva, Portugal

Weather in January

January, like December, in Raiva, Portugal, is another fresh winter month, with average temperature varying between 6.8°C (44.2°F) and 12.7°C (54.9°F).

Temperature

January is the coldest month, with an average high-temperature of 12.7°C (54.9°F) and an average low-temperature of 6.8°C (44.2°F).

Humidity

January is the most humid month, with an average relative humidity of 82%.

Rainfall

In Raiva, during 13.5 rainfall days, 106mm (4.17") of precipitation is typically accumulated. In Raiva, during the entire year, the rain falls for 125.7 days and collects up to 773mm (30.43") of precipitation.

Daylight

The average length of the day in Raiva is 9.6h.

Sunshine

The month with the least sunshine is January, with an average of 4.9h of sunshine.

UV index

Months with the lowest UV index in Raiva, Portugal, are January through March, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the coldest month in Raiva?

With an average high-temperature of 12.7°C (54.9°F) and an average low-temperature of 6.8°C (44.2°F), January is the coldest month in Raiva, Portugal.

What is the temperature in January in Raiva?

In Raiva, Portugal, in January, the average high-temperature is 12.7°C (54.9°F), and the average low-temperature is 6.8°C (44.2°F).

What is the most humid month in Raiva?

The most humid month in Raiva, Portugal, is January, with an average relative humidity of 82%.

What is the average humidity in January in Raiva?

In January, the average relative humidity in Raiva is 82%.

How many days does it rain in January in Raiva?

In Raiva, Portugal, in January, it is raining for 13.5 days, with typically 106mm (4.17") of accumulated precipitation.

What is the average length of the day in January in Raiva?

In January, the average length of the day is 9.6h.

What is the month with the least sunshine in Raiva?

January has the least sunshine of the year, with an average of 4.9h of sunshine.

How many hours of sunshine does Raiva have in January?

The average sunshine in January in Raiva is 4.9h.

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

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

How high is the UV index in January in Raiva?

In January, the average daily maximum UV index in Raiva, Portugal, is 3. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in January
Raiva, Portugal

Average temperature in January - Raiva, Portugal
  • Average high temperature in January: 12.7°C

The warmest month (with the highest average high temperature) is August (26.6°C).
The month with the lowest average high temperature is January (12.7°C).

  • Average low temperature in January: 6.8°C

Months with the highest average low temperature are July and August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (6.8°C).

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Average pressure in January
Raiva, Portugal

Average pressure in January - Raiva, Portugal
  • Average pressure in January: 1021.9mbar

The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

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Average wind speed in January
Raiva, Portugal

Average wind speed in January - Raiva, Portugal
  • Average wind speed in January: 9.9km/h

The windiest month (with the highest average wind speed) is February (10.3km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).

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Average humidity in January
Raiva, Portugal

Average humidity in January - Raiva, Portugal
  • Average humidity in January: 82%

The month with the highest relative humidity is January (82%).
Months with the lowest relative humidity are August and September (66%).

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Average rainfall in January
Raiva, Portugal

Average rainfall in January - Raiva, Portugal
  • Average rainfall in January: 106mm

The wettest month (with the highest rainfall) is November (124mm).
The driest month (with the least rainfall) is July (10mm).

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Average rainfall days in January
Raiva, Portugal

Average rainfall days in January - Raiva, Portugal
  • Average rainfall days in January: 13.5 days

The month with the highest number of rainy days is November (15.6 days).
The month with the least rainy days is August (5 days).

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Average daylight in January /
Average sunshine in January
Raiva, Portugal

Average daylight in January / Average sunshine in January - Raiva, Portugal
  • Average daylight in January: 9.6h

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

  • Average sunshine in January: 4.9h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is January (Average sunshine: 4.9h).

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Average sunshine days in January
Raiva, Portugal

Average sunshine days in January - Raiva, Portugal
  • Average sunshine days in January: 16.5 days

The month with the most sunshine days is August (24.2 days).
The month with the least sunshine days is November (12.5 days).

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Average UV index in January
Raiva, Portugal

Average UV index in January - Raiva, Portugal
  • Average UV index in January: 3

The month with the highest UV index is August (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 3).

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Average cloud cover in January
Raiva, Portugal

Average cloud cover in January - Raiva, Portugal
  • Average cloud cover in January: 47

The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in January
Raiva, Portugal

Average visibility in January - Raiva, Portugal
  • Average visibility in January: 8km

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).

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