January weather forecast
Winton, WA

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Weather in January

January, the same as December, in Winton, Washington, is a freezing cold winter month, with an average temperature fluctuating between 18.9°F (-7.3°C) and 31.5°F (-0.3°C).

Temperature

The advent of January brings an average high-temperature of a still freezing cold 31.5°F (-0.3°C), exhibiting minor difference from the previous month. During January, the average low-temperature is a still freezing cold 18.9°F (-7.3°C).

Humidity

With an average relative humidity of 92%, January is the most humid month.

Rainfall

The month with the most rainfall is January, when the rain falls for 14.7 days and typically aggregates up to 4.33" (110mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. The month with the most snowfall is January, when snow falls for 14.7 days and typically aggregates up to 16.73" (425mm) of snow.

Daylight

In January, the average length of the day is 8h and 56min.
On the first day of January, sunrise is at 7:51 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:01 pm PST.

Sunshine

January has the least sunshine of the year, with an average of 4.1h of sunshine.

UV index

The months with the lowest UV index are January and February, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 1 in January leads to these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Stay sun-safe with clothing that is both closely woven and worn loosely. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.

Frequently asked questions

How cold is it in Winton in January?

The high-temperature, in January, in Winton, is 31.5°F (-0.3°C), while the low-temperature averages to 18.9°F (-7.3°C).

What is the most humid month in Winton?

January is the most humid month in Winton, with an average relative humidity of 92%.

What is the average humidity in January?

In January, the average relative humidity is 92%.

What is the wettest month?

The month with the most rainfall in Winton is January, when the rain falls for 14.7 days and typically aggregates up to 4.33" (110mm) of precipitation.

How many days does it rain in January?

In Winton, in January, it is raining for 14.7 days, with typically 4.33" (110mm) of accumulated precipitation.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 14.7 days and typically aggregates up to 16.73" (425mm) of snow.

How many days does it snow in January?

In Winton, in January, snow falls for 14.7 days, with typically accumulated 16.73" (425mm) of snow.

What is the average length of the day in January?

The average day length in January is 8h and 56min.

What time are sunrise and sunset in January in Winton?

On the first day of January, sunrise is at 7:51 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:01 pm PST.

What is the month with the least sunshine?

With an average of 4.1h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January?

In Winton, the average sunshine duration in January is 4.1h.

What are the months with the lowest UV index?

January and February, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index intensity in January?

In Winton, the average daily maximum UV index in January is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Winton, WA

Average temperature in January - Winton, WA
  • Average high temperature in January: 31.5°F

The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (30.6°F).

  • Average low temperature in January: 18.9°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).

Average pressure in January
Winton, WA

Average pressure in January - Winton, WA
  • 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 (29.95"Hg).

Average wind speed in January
Winton, WA

Average wind speed in January - Winton, WA
  • Average wind speed in January: 3.7mph

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).

Average humidity in January
Winton, WA

Average humidity in January - Winton, WA
  • Average humidity in January: 92%

The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (56%).

Average rainfall in January
Winton, WA

Average rainfall in January - Winton, WA
  • Average rainfall in January: 4.33"

The wettest month (with the highest rainfall) is January (4.33").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in January
Winton, WA

Average rainfall days in January - Winton, WA
  • Average rainfall days in January: 14.7 days

The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in January
Winton, WA

Average snowfall in January - Winton, WA
  • Average snowfall in January: 16.73"

The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Winton, WA

Average snowfall days in January - Winton, WA
  • Average snowfall days in January: 14.7 days

The month with the highest number of snowfall days is December (17 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Winton, WA
  • Average daylight in January: 8h and 5min

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: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in January
Winton, WA

Average sunshine days in January - Winton, WA
  • Average sunshine days in January: 9.3 days

The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (6.8 days).

Average UV index in January
Winton, WA

Average UV index in January - Winton, WA
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in January
Winton, WA

Average cloud cover in January - Winton, WA
  • Average cloud cover in January: 56

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in January
Winton, WA

Average visibility in January - Winton, WA
  • Average visibility in January: 4mi

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

Winton, Washington, USA

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