January weather forecast
Omak, WA

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Weather in January

January, the same as December, in Omak, Washington, is another subzero cold winter month, with temperature in the range of an average low of 18.7°F (-7.4°C) and an average high of 30.9°F (-0.6°C).

Temperature

The transition into January notes an average high-temperature of a still freezing cold 30.9°F (-0.6°C), revealing a mild distinction from the 30.4°F (-0.9°C) in December. In Omak, an average nighttime temperature of 18.7°F (-7.4°C) is expected during January.

Humidity

January is the most humid month in Omak, Washington, with an average relative humidity of 91%.

Rainfall

In Omak, in January, it is raining for 9.4 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, there are 90.2 rainfall days, and 7.56" (192mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 6.2 days and accumulates 3.39" (86mm) of snow.

Daylight

In Omak, the average length of the day in January is 8h and 52min.
On the first day of the month, sunrise is at 7:49 am and sunset at 4:13 pm. On the last day of January, in Omak, sunrise is at 7:28 am and sunset at 4:54 pm PST.

Sunshine

The month with the least sunshine in Omak, Washington, is January, with an average of 4.5h of sunshine.

UV index

In January, the average daily maximum UV index in Omak is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

How cold is January in Omak?

The average high-temperature and low-temperature during January are 30.9°F (-0.6°C) and 18.7°F (-7.4°C) respectively.

What is the most humid month in Omak?

With an average relative humidity of 91%, January is the most humid month in Omak.

What is the average humidity in January in Omak?

In Omak, Washington, the average relative humidity in January is 91%.

How many days does it rain in January in Omak?

In Omak, Washington, in January, it is raining for 9.4 days, with typically 0.91" (23mm) of accumulated precipitation.

When does it snow the most in Omak?

January is the month with the most snowfall in Omak. Snow falls for 6.2 days and accumulates 3.39" (86mm) of snow.

How much does it snow in Omak in January?

In Omak, in January, during 6.2 snowfall days, 3.39" (86mm) of snow is typically accumulated.

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

In January, the average day length is 8h and 52min.

When is the sunrise / sunset in January in Omak?

On the first day of January, sunrise is at 7:49 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:54 pm PST.

What is the month with the least sunshine in Omak?

January has the least sunshine of the year, with an average of 4.5h of sunshine.

How many hours of sunshine does Omak have in January?

The average sunshine duration in January in Omak is 4.5h.

How high is the UV index in January in Omak?

In January, the average daily maximum UV index in Omak, Washington, is 2. A UV Index reading of 2, and below, represents 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
Omak, WA

Average temperature in January - Omak, WA
  • Average high temperature in January: 30.9°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (30.4°F).

  • Average low temperature in January: 18.7°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (18.1°F).

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Average pressure in January
Omak, WA

Average pressure in January - Omak, WA
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).

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Average wind speed in January
Omak, WA

Average wind speed in January - Omak, WA
  • Average wind speed in January: 4mph

The windiest month (with the highest average wind speed) is April (5.1mph).
The calmest month (with the lowest average wind speed) is January (4mph).

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Average humidity in January
Omak, WA

Average humidity in January - Omak, WA
  • Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (42%).

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Average rainfall in January
Omak, WA

Average rainfall in January - Omak, WA
  • Average rainfall in January: 0.91"

The wettest month (with the highest rainfall) is December (0.94").
The driest months (with the least rainfall) are July and August (0.2").

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Average rainfall days in January
Omak, WA

Average rainfall days in January - Omak, WA
  • Average rainfall days in January: 9.4 days

The month with the highest number of rainy days is March (11.5 days).
The month with the least rainy days is August (2.8 days).

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Average snowfall in January
Omak, WA

Average snowfall in January - Omak, WA
  • Average snowfall in January: 3.39"

The month with the highest snowfall is January (3.39").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Omak, WA

Average snowfall days in January - Omak, WA
  • Average snowfall days in January: 6.2 days

The month with the highest number of snowfall days is December (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 4h and 3min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in January
Omak, WA

Average sunshine days in January - Omak, WA
  • Average sunshine days in January: 17.2 days

The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is November (15.4 days).

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Average UV index in January
Omak, WA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in January
Omak, WA

Average cloud cover in January - Omak, WA
  • Average cloud cover in January: 49

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in January
Omak, WA

Average visibility in January - Omak, 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 and December (4mi).

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Omak, Washington, USA

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