January weather forecast
Winton, WA

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Weather in January

January, like December, is another subzero cold winter month in Winton, Washington, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 31.5°F (-0.3°C).

Temperature

With the advent of January, Winton's high-temperatures adjust to a still freezing cold 31.5°F (-0.3°C), closely aligning with the preceding month. Throughout January, Winton witnesses a nighttime temperature average of 18.9°F (-7.3°C).

Humidity

The most humid month is January, with an average relative humidity of 92%.

Rainfall

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.

Snowfall

Months with snowfall in Winton are January through May, September through December. January is the month with the most snowfall. Snow falls for 14.7 days and accumulates 16.73" (425mm) of snow.

Daylight

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

Sunshine

The month with the least sunshine is January, with an average of 4.1h of sunshine.

UV index

January and February, with an average maximum UV index of 1, are months with the lowest UV index in Winton. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 1 in January translates into these instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

How cold is it in Winton in January?

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

What is the most humid month in Winton?

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

What is the average humidity in January in Winton?

In January, the average relative humidity in Winton is 92%.

What is the rainiest month in Winton?

January is the month with the most rainfall. Rain falls for 14.7 days and accumulates 4.33" (110mm) of precipitation.

How much does it rain in Winton in January?

In January, in Winton, the rain falls for 14.7 days. Throughout January, 4.33" (110mm) of precipitation is accumulated.

What is the snowiest month in Winton?

January is the month with the most snowfall in Winton. Snow falls for 14.7 days and accumulates 16.73" (425mm) of snow.

How much does it snow in Winton in January?

In Winton, during January, snow falls for 14.7 days and regularly aggregates up to 16.73" (425mm) of snow.

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

In Winton, Washington, 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 in Winton?

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

How long on average sun shines in January in Winton?

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

When is the lowest UV index in Winton?

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

What is the UV index intensity in January in Winton?

In January, the average daily maximum UV index in Winton is 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
30.6°F -0.8°C
31.5°F -0.3°C
33.3°F 0.7°C
Average low temperature
18.7°F -7.4°C
18.9°F -7.3°C
19.9°F -6.7°C
Average pressure
30.12" 765mmHg
30.14" 766mmHg
30.08" 764mmHg
Average wind speed
3.5mph 5.6km/h
3.7mph 6km/h
3.9mph 6.3km/h
Average max. wind speed
3.9mph 6.3km/h
4.1mph 6.6km/h
4.3mph 6.9km/h
Average wind speed gusts
6.3mph 10.1km/h
6.8mph 10.9km/h
6.7mph 10.8km/h
Average humidity
90%
92%
91%
Average rainfall
3.86" 98mm
4.33" 110mm
2.91" 74mm
Average rainfall days
13
14.7
14
Average snowfall
15.28" 388mm
16.73" 425mm
11.18" 284mm
Average snowfall days
17
14.7
14.7
Average daylight
8h 3min
8h 5min
10h 2min
Average sunshine
4h 2min
4h 1min
4h 2min
Average sunshine days
8.9
9.3
6.8
Average UV index
2
1
1
Average cloud cover
55%
56%
54%
Average visibility
4mi 6.4km
4mi 6.4km
4mi 6.4km

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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Winton, Washington, USA

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