January weather forecast
Southworth, WA

Share

Weather in January

January, the same as December, in Southworth, Washington, is another chilly winter month, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 45°F (7.2°C).

Temperature

Transitioning into January, Southworth experiences an average high-temperature of a still chilly 45°F (7.2°C), marking a minor shift from the preceding month. During the month of January, Southworth's average nighttime temperature closely mirrors its daytime counterpart, at a wintry 36.1°F (2.3°C).

Humidity

In Southworth, the average relative humidity in January is 86%.

Rainfall

The months with the most rainfall in Southworth are January and December, with an average 2.05" (52mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Southworth, Washington, during January, snow falls for 1.7 days and regularly aggregates up to 0.63" (16mm) of snow. Throughout the year, in Southworth, there are 7 snowfall days, and 2.36" (60mm) of snow is accumulated.

Ocean temperature

In Southworth, in January, the average water temperature is 45.5°F (7.5°C).
Note: Swimming in 45.5°F (7.5°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.

Daylight

In Southworth, Washington, the average length of the day in January is 8h and 58min.
On the first day of January, sunrise is at 7:57 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:09 pm PST.

Sunshine

In January, the average sunshine is 4.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 during January leads to these advisories:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To cut down UV radiation exposure by about half, sport a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in January in Southworth?

The high-temperature in Southworth during January is 45°F (7.2°C) and the low-temperature is 36.1°F (2.3°C).

What is the average humidity in January in Southworth?

In Southworth, the average relative humidity in January is 86%.

What is the wettest month in Southworth?

The wettest months in Southworth are January and December, with an average 2.05" (52mm) of rainfall.

How many days does it rain in January in Southworth?

In January, in Southworth, Washington, the rain falls for 13.4 days. Throughout January, 2.05" (52mm) of precipitation is accumulated.

How much does it snow in Southworth in January?

In Southworth, during January, snow falls for 1.7 days and regularly aggregates up to 0.63" (16mm) of snow.

How cold is the water in January in Southworth?

In January, the average ocean temperature in Southworth is 45.5°F (7.5°C). Swimming in 45.5°F (7.5°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

In Southworth, Washington, the average day length in January is 8h and 58min.

What time are sunrise and sunset in January in Southworth?

In January, on the first day of the month, sunrise is at 7:57 am and sunset at 4:29 pm. On the last day of the month, in Southworth, Washington, sunrise is at 7:37 am and sunset at 5:09 pm PST.

How many hours of sunshine does Southworth have in January?

The average sunshine duration in January is 4.2h.

When is the lowest UV index in Southworth?

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

What is the UV index reading in January in Southworth?

In January, the average daily maximum UV index in Southworth, Washington, is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Southworth, WA

Average temperature in January - Southworth, WA
  • Average high temperature in January: 45°F

The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).

  • Average low temperature in January: 36.1°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 (34.9°F).

Average pressure in January
Southworth, WA

Average pressure in January - Southworth, WA
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

Average wind speed in January
Southworth, WA

Average wind speed in January - Southworth, WA
  • Average wind speed in January: 5.1mph

The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).

Average humidity in January
Southworth, WA

Average humidity in January - Southworth, WA
  • Average humidity in January: 86%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).

Average rainfall in January
Southworth, WA

Average rainfall in January - Southworth, WA
  • Average rainfall in January: 2.05"

The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").

Average rainfall days in January
Southworth, WA

Average rainfall days in January - Southworth, WA
  • Average rainfall days in January: 13.4 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).

Average snowfall in January
Southworth, WA

Average snowfall in January - Southworth, WA
  • Average snowfall in January: 0.63"

The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Southworth, WA

Average snowfall days in January - Southworth, WA
  • Average snowfall days in January: 1.7 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in January
Southworth, WA

Average sea temperature in January - Southworth, WA
  • Average sea temperature in January: 45.6°F

The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).

Average daylight in January /
Average sunshine in January
Southworth, WA

Average daylight in January / Average sunshine in January - Southworth, WA
  • Average daylight in January: 9h and 0min

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

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

Average sunshine days in January
Southworth, WA

Average sunshine days in January - Southworth, WA
  • Average sunshine days in January: 14.9 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).

Average UV index in January
Southworth, WA

Average UV index in January - Southworth, WA
  • Average UV index in January: 2

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

Average cloud cover in January
Southworth, WA

Average cloud cover in January - Southworth, WA
  • Average cloud cover in January: 57

The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in January
Southworth, WA

Average visibility in January - Southworth, WA
  • Average visibility in January: 5mi

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

Southworth, Washington, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location