January weather forecast
Williams, OR

Share

Weather in January

January, like December, is a frosty winter month in Williams, Oregon, with an average temperature varying between 30.6°F (-0.8°C) and 45.7°F (7.6°C).

Temperature

With the arrival of January, Williams's average high-temperature registers at a still frosty 45.7°F (7.6°C), indicating a subtle variation from the previous month. During the month of January, the temperature in Williams generally drops to a low average of 30.6°F (-0.8°C).

Humidity

The months with the highest humidity in Williams are January and December, with an average relative humidity of 84%.

Rainfall

January is the month with the most rainfall. Rain falls for 9.1 days and accumulates 2.01" (51mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Williams. In Williams, during January, snow falls for 5 days and regularly aggregates up to 5.24" (133mm) of snow. Throughout the year, there are 31 snowfall days, and 23.39" (594mm) of snow is accumulated.

Daylight

In Williams, the average length of the day in January is 9h and 31min.
On the first day of January, sunrise is at 7:41 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:25 pm PST.

Sunshine

The months with the least sunshine are January and December, with an average of 5h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
[Resources]

Frequently asked questions

What are the temperatures in Williams in January?

The high-temperature, in January, in Williams, is 45.7°F (7.6°C), while the low-temperature averages to 30.6°F (-0.8°C).

What is the most humid month in Williams?

January and December, with an average relative humidity of 84%, are most humid months.

What is the average humidity in January in Williams?

In Williams, the average relative humidity in January is 84%.

What is the wettest month in Williams?

January is the month with the most rainfall in Williams. Rain falls for 9.1 days and accumulates 2.01" (51mm) of precipitation.

How many days does it rain in January in Williams?

In Williams, Oregon, in January, it is raining for 9.1 days, with typically 2.01" (51mm) of accumulated precipitation.

How many days does it snow in January in Williams?

In Williams, Oregon, in January, snow falls for 5 days, with typically accumulated 5.24" (133mm) of snow.

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

In Williams, the average day length in January is 9h and 31min.

When are sunrise and sunset in January in Williams?

On the first day of January, sunrise is at 7:41 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:25 pm PST.

What are the months with the least sunshine in Williams?

January and December, with an average of 5h of sunshine, are months with the least sunshine in Williams.

How long on average sun shines in January in Williams?

The average sunshine duration in January in Williams is 5h.

What are the months with the lowest UV index in Williams?

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

What is the UV index reading in January in Williams?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
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
Williams, OR

Average temperature in January - Williams, OR
  • Average high temperature in January: 45.7°F

The warmest month (with the highest average high temperature) is August (84.4°F).
The month with the lowest average high temperature is December (43.5°F).

  • Average low temperature in January: 30.6°F

The months with the highest average low temperature are July and August (49.5°F).
The coldest month (with the lowest average low temperature) is December (28.9°F).

[Resources]

Average pressure in January
Williams, OR

Average pressure in January - Williams, OR
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).

[Resources]

Average wind speed in January
Williams, OR

Average wind speed in January - Williams, OR
  • Average wind speed in January: 4.2mph

The windiest month (with the highest average wind speed) is March (4.3mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

[Resources]

Average humidity in January
Williams, OR

Average humidity in January - Williams, OR
  • Average humidity in January: 84%

The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is August (60%).

[Resources]

Average rainfall in January
Williams, OR

Average rainfall in January - Williams, OR
  • Average rainfall in January: 2.01"

The wettest month (with the highest rainfall) is January (2.01").
The driest month (with the least rainfall) is July (0.28").

[Resources]

Average rainfall days in January
Williams, OR

Average rainfall days in January - Williams, OR
  • Average rainfall days in January: 9.1 days

The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (3.5 days).

[Resources]

Average snowfall in January
Williams, OR

Average snowfall in January - Williams, OR
  • Average snowfall in January: 5.24"

The month with the highest snowfall is December (6.3").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in January
Williams, OR

Average snowfall days in January - Williams, OR
  • Average snowfall days in January: 5 days

The month with the highest number of snowfall days is February (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Williams, OR

Average daylight in January / Average sunshine in January - Williams, OR
  • Average daylight in January: 9h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in January: 5h and 0min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 0min).

[Resources]

Average sunshine days in January
Williams, OR

Average sunshine days in January - Williams, OR
  • Average sunshine days in January: 18.5 days

The months with the most sunshine days are July and August (25.3 days).
The month with the least sunshine days is March (15 days).

[Resources]

Average UV index in January
Williams, OR

Average UV index in January - Williams, OR
  • 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).

[Resources]

Average cloud cover in January
Williams, OR

Average cloud cover in January - Williams, OR
  • Average cloud cover in January: 48

The month with the most cloud cover is March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 13).

[Resources]

Average visibility in January
Williams, OR

Average visibility in January - Williams, OR
  • Average visibility in January: 4mi

The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).

[Resources]

Williams, Oregon, USA

Weather forecast for your location

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