January weather forecast
Sappho, WA

Weather in January

January is a chilly winter month in Sappho, Washington, with average temperature ranging between min 37°F (2.8°C) and max 44.1°F (6.7°C).

Temperature

In Sappho, the average high-temperature is practically the same as in December - a chilly 44.1°F (6.7°C). In January, in Sappho, Washington, the average low-temperature is 37°F (2.8°C).

Humidity

January and December, with an average relative humidity of 87%, are most humid months.

Rainfall

January is the month with the most rainfall in Sappho. Rain falls for 15.6 days and accumulates 3.66" (93mm) of precipitation.

Snowfall

Months with snowfall in Sappho are January through April, September and December. The month with the most snowfall is January when snow falls for 1 days and typically aggregates up to 1.14" (29mm) of snow.

Daylight

The average length of the day in January is 8.9h.

Sunshine

The month with the least sunshine in Sappho is January, with an average of 3.7h of sunshine.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in January interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the most humid month in Sappho?

January and December, with an average relative humidity of 87%, are most humid months in Sappho, Washington.

What is the average humidity in January in Sappho?

In January, the average relative humidity in Sappho is 87%.

What is the wettest month in Sappho?

The month with the most rainfall in Sappho, Washington, is January when the rain falls for 15.6 days and typically aggregates up to 3.66" (93mm) of precipitation.

How many days does it rain in January in Sappho?

In Sappho, Washington, in January, it is raining for 15.6 days, with typically 3.66" (93mm) of accumulated precipitation.

What is the snowiest month in Sappho?

The month with the most snowfall is January when snow falls for 1 days and typically aggregates up to 1.14" (29mm) of snow.

How many days does it snow in January in Sappho?

In Sappho, Washington, during January, snow falls for 1 days and regularly aggregates up to 1.14" (29mm) of snow.

How many hours of daylight does Sappho have in January?

The average length of the day in January in Sappho, Washington, is 8.9h.

What is the month with the least sunshine in Sappho?

The month with the least sunshine in Sappho is January, with an average of 3.7h of sunshine.

How long on average sun shines in January in Sappho?

In Sappho, the average sunshine in January is 3.7h.

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

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

How high is the UV index in January in Sappho?

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

Average temperature in January
Sappho, WA

Average temperature in January - Sappho, WA
  • Average high temperature in January: 44.1°F

The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (42.4°F).

  • Average low temperature in January: 37°F

The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is February (36°F).

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Average pressure in January
Sappho, WA

Average pressure in January - Sappho, WA
  • Average pressure in January: 30.04"

The month with the highest atmospheric pressure is July (30.07").
The month with the lowest atmospheric pressure is March (29.98").

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Average wind speed in January
Sappho, WA

Average wind speed in January - Sappho, WA
  • Average wind speed in January: 7.4mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in January
Sappho, WA

Average humidity in January - Sappho, WA
  • Average humidity in January: 87%

Months with the highest relative humidity are January and December (87%).
Months with the lowest relative humidity are May, July and August (80%).

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Average rainfall in January
Sappho, WA

Average rainfall in January - Sappho, WA
  • Average rainfall in January: 3.66"

The wettest month (with the highest rainfall) is January (3.66").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in January
Sappho, WA

Average rainfall days in January - Sappho, WA
  • Average rainfall days in January: 15.6 days

The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is August (5.1 days).

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Average snowfall in January
Sappho, WA

Average snowfall in January - Sappho, WA
  • Average snowfall in January: 1.14"

The month with the highest snowfall is January (1.14").
Months with the least snowfall are May, June, July, August, October and November (0").

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Average snowfall days in January
Sappho, WA

Average snowfall days in January - Sappho, WA
  • Average snowfall days in January: 1 days

The month with the highest number of snowfall days is February (1.9 days).
Months with the least snowfall days are May, June, July, August and October (0 days).

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

Average daylight in January / Average sunshine in January - Sappho, WA
  • Average daylight in January: 8.9h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in January: 3.7h

Months with the most sunshine are July and August (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days in January
Sappho, WA

Average sunshine days in January - Sappho, WA
  • Average sunshine days in January: 12.3 days

The month with the most sunshine days is July (23 days).
The month with the least sunshine days is November (11.7 days).

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Average UV index in January
Sappho, WA

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

Months with the highest UV index are June, July and August (UV index 4).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Sappho, WA

Average cloud cover in January - Sappho, WA
  • Average cloud cover in January: 61

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in January
Sappho, WA

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

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

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