January weather forecast
South Beach, OR

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Weather in January

January, the same as December, in South Beach, Oregon, is a frosty winter month, with an average temperature varying between 41.5°F (5.3°C) and 48.7°F (9.3°C).

Temperature

At the onset of January, South Beach records an average high-temperature of a still chilly 48.7°F (9.3°C), showing little deviation from the preceding month. South Beach registers a gentle descent to an average nighttime low of 41.5°F (5.3°C) in January from its daytime highs.

Humidity

The average relative humidity in January is 82%.

Rainfall

In January, the rain falls for 14.8 days. Throughout January, 2.72" (69mm) of precipitation is accumulated. Throughout the year, there are 139.5 rainfall days, and 18.66" (474mm) of precipitation is accumulated.

Snowfall

Months with snowfall in South Beach are January, February and November. January is the first month it typically snows. Throughout January, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 1.6 snowfall days, and 0.47" (12mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 17min.
On the first day of the month, sunrise is at 7:52 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:36 am and sunset at 5:23 pm PST.

Sunshine

The months with the least sunshine are January and February, with an average of 4h of sunshine.

UV index

The average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, a daily maximum UV index of 3 leads to the following instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

What are the temperatures in January?

January temperatures vary between a high-temperature of 48.7°F (9.3°C) and a low-temperature of 41.5°F (5.3°C).

What is the average humidity in January?

The average relative humidity in January is 82%.

How much does it rain in January?

In South Beach, in January, during 14.8 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When does it start snowing?

January is the first month it typically snows. Throughout January, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does South Beach have in January?

In January, the average day length is 9h and 17min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:52 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:23 pm PST.

What are the months with the least sunshine?

January and February, with an average of 4h of sunshine, are months with the least sunshine.

How many hours of sunshine does South Beach have in January?

In January, the average sunshine duration is 4h.

What is the UV index intensity in January?

The average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
South Beach, OR

Average temperature in January - South Beach, OR
  • Average high temperature in January: 48.7°F

The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (47.7°F).

  • Average low temperature in January: 41.5°F

The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).

Average pressure in January
South Beach, OR

Average pressure in January - South Beach, OR
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).

Average wind speed in January
South Beach, OR

Average wind speed in January - South Beach, OR
  • Average wind speed in January: 9.8mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity in January
South Beach, OR

Average humidity in January - South Beach, OR
  • Average humidity in January: 82%

The months with the highest relative humidity are February, March, November and December (83%).
The months with the lowest relative humidity are April, May, July, September and October (81%).

Average rainfall in January
South Beach, OR

Average rainfall in January - South Beach, OR
  • Average rainfall in January: 2.72"

The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in January
South Beach, OR

Average rainfall days in January - South Beach, OR
  • Average rainfall days in January: 14.8 days

The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (3.7 days).

Average snowfall in January
South Beach, OR

Average snowfall in January - South Beach, OR
  • Average snowfall in January: 0.16"

The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").

Average snowfall days in January
South Beach, OR

Average snowfall days in January - South Beach, OR
  • Average snowfall days in January: 0.3 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
South Beach, OR

Average daylight in January / Average sunshine in January - South Beach, OR
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 4h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).

Average sunshine days in January
South Beach, OR

Average sunshine days in January - South Beach, OR
  • Average sunshine days in January: 14 days

The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (10.9 days).

Average UV index in January
South Beach, OR

Average UV index in January - South Beach, OR
  • Average UV index in January: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).

Average cloud cover in January
South Beach, OR

Average cloud cover in January - South Beach, OR
  • Average cloud cover in January: 58

The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in January
South Beach, OR

Average visibility in January - South Beach, OR
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).

South Beach, Oregon, USA

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