January weather forecast
Lacey, WA

Weather in January

January, the same as December, in Lacey, Washington, is a frosty winter month, with an average temperature fluctuating between 34.3°F (1.3°C) and 44.6°F (7°C).

Temperature

In Lacey, the average high-temperature in January is essentially the same as in December - a still frosty 44.6°F (7°C). The average low-temperature, in Lacey, is 34.3°F (1.3°C).

Humidity

January, November and December, with an average relative humidity of 89%, are the most humid months.

Rainfall

In Lacey, during January, the rain falls for 18.9 days and regularly aggregates up to 5.71" (145mm) of precipitation. In Lacey, during the entire year, the rain falls for 177.4 days and collects up to 37.05" (941mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Lacey, Washington, during 1.9 snowfall days, 1.38" (35mm) of snow is typically accumulated. Throughout the year, there are 8.7 snowfall days, and 5.31" (135mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 1min.
On the first day of January, sunrise is at 7:57 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:12 pm PST.

Sunshine

In Lacey, the average sunshine in January is 3.5h.

UV index

The 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 vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 temperature in January in Lacey?

In January, in Lacey, the average high-temperature is 44.6°F (7°C), and the average low-temperature is 34.3°F (1.3°C).

What are the most humid months in Lacey?

January, November and December, with an average relative humidity of 89%, are most humid months in Lacey.

What is the average humidity in January in Lacey?

In Lacey, the average relative humidity in January is 89%.

How many days does it rain in January in Lacey?

In Lacey, during January, the rain falls for 18.9 days and regularly aggregates up to 5.71" (145mm) of precipitation.

How much does it snow in Lacey in January?

In Lacey, Washington, in January, snow falls for 1.9 days, with typically accumulated 1.38" (35mm) of snow.

How many hours of daylight does Lacey have in January?

In Lacey, the average day length in January is 9h and 1min.

When is the sunrise / sunset in January in Lacey?

In January, on the first day of the month, sunrise is at 7:57 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:12 pm PST.

How long on average sun shines in January in Lacey?

In Lacey, the average sunshine duration in January is 3.5h.

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

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

What is the UV index reading in January in Lacey?

In Lacey, Washington, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average max. wind speed
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
Lacey, WA

Average temperature in January - Lacey, WA
  • Average high temperature in January: 44.6°F

The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (43°F).

  • Average low temperature in January: 34.3°F

The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).

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Average pressure in January
Lacey, WA

Average pressure in January - Lacey, WA
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

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Average wind speed in January
Lacey, WA

Average wind speed in January - Lacey, WA
  • Average wind speed in January: 4.5mph

The windiest months (with the highest average wind speed) are March and November (4.6mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).

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Average humidity in January
Lacey, WA

Average humidity in January - Lacey, WA
  • Average humidity in January: 89%

The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is July (71%).

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Average rainfall in January
Lacey, WA

Average rainfall in January - Lacey, WA
  • Average rainfall in January: 5.71"

The wettest month (with the highest rainfall) is December (5.79").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in January
Lacey, WA

Average rainfall days in January - Lacey, WA
  • Average rainfall days in January: 18.9 days

The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (5.5 days).

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Average snowfall in January
Lacey, WA

Average snowfall in January - Lacey, WA
  • Average snowfall in January: 1.38"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Lacey, WA

Average snowfall days in January - Lacey, WA
  • Average snowfall days in January: 1.9 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Lacey, WA
  • Average daylight in January: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in January: 3h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

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Average sunshine days in January
Lacey, WA

Average sunshine days in January - Lacey, WA
  • Average sunshine days in January: 9.8 days

The month with the most sunshine days is August (22.4 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in January
Lacey, WA

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

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in January
Lacey, WA

Average cloud cover in January - Lacey, WA
  • Average cloud cover in January: 65

The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 35).

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Average visibility in January
Lacey, WA

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

The months with the highest visibility are June, July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (4mi).

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