Climate and monthly weather forecast
Lacey, WA

Weather in January

January, like December, is a frosty winter month in Lacey, Washington, with an average temperature ranging between max 44.6°F (7°C) and min 34.3°F (1.3°C). In Lacey, the average high-temperature in January is practically the same as in December - a still frosty 44.6°F (7°C). Weather in January »

Weather in February

The last month of the winter, February, is another chilly month in Lacey, Washington, with temperature in the range of an average high of 46°F (7.8°C) and an average low of 33.6°F (0.9°C). In February, the average high-temperature is almost the same as in January - a still frosty 46°F (7.8°C). Weather in February »

Weather in March

March, the first month of the spring in Lacey, is a cool month, with an average temperature ranging between min 35.8°F (2.1°C) and max 51.1°F (10.6°C). In March, the average high-temperature is almost the same as in February - a cool 51.1°F (10.6°C). Weather in March »

Weather in April

April in Lacey, Washington, is a mild spring month, with an average temperature fluctuating between 57°F (13.9°C) and 37.9°F (3.3°C). In April, the average high-temperature slightly increases from a cool 51.1°F (10.6°C) in March to a moderate 57°F (13.9°C). Weather in April »

Weather in May

May, the last month of the spring in Lacey, is an enjoyable month, with an average temperature varying between 65.7°F (18.7°C) and 41.9°F (5.5°C). In Lacey, the average high-temperature in May slightly increases from a mild 57°F (13.9°C) in April to an enjoyable 65.7°F (18.7°C). Weather in May »

Weather in June

June, the first month of the summer in Lacey, is a pleasant month, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 70.3°F (21.3°C). In June, the average high-temperature is practically the same as in May - a pleasant 70.3°F (21.3°C). Weather in June »

Weather in July

July is a moderately hot summer month in Lacey, Washington, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 77.9°F (25.5°C). In Lacey, the average high-temperature in July slightly increases from a pleasant 70.3°F (21.3°C) in June to a moderately hot 77.9°F (25.5°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Lacey, Washington, with an average temperature ranging between max 78.6°F (25.9°C) and min 50.5°F (10.3°C). With an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 50.5°F (10.3°C), August is the warmest month. Weather in August »

Weather in September

September, the first month of the autumn in Lacey, is still a pleasant month, with an average temperature ranging between min 47.7°F (8.7°C) and max 70.5°F (21.4°C). In September, the average high-temperature slightly decreases from a moderately hot 78.6°F (25.9°C) in August to an agreeable 70.5°F (21.4°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Lacey, Washington, with an average temperature ranging between min 42.3°F (5.7°C) and max 58.6°F (14.8°C). In October, the average high-temperature drops from a pleasant 70.5°F (21.4°C) in September to a moderate 58.6°F (14.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Lacey, is another chilly month, with an average temperature ranging between min 38.3°F (3.5°C) and max 48.6°F (9.2°C). In Lacey, Washington, the average high-temperature in November decreases from a moderate 58.6°F (14.8°C) in October to a frosty 48.6°F (9.2°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Lacey, Washington, with an average temperature fluctuating between 43°F (6.1°C) and 33.4°F (0.8°C). December is the coldest month, with an average high-temperature of 43°F (6.1°C) and an average low-temperature of 33.4°F (0.8°C). Weather in December »
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FAQ

What is the most humid month in Lacey?

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

How much does it rain in Lacey?

Throughout the year, there are 177.4 rainfall days, and 37.05" (941mm) of precipitation is accumulated.

When does it snow in Lacey?

Months with snowfall in Lacey, Washington, are January through March, November and December.

How much does it snow in Lacey?

In Lacey, Washington, during the entire year, snow falls for 8.7 days and aggregates up to 5.31" (135mm) of snow.

When is 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 snowiest month in Lacey?

February is the month with the most snowfall in Lacey. Snow falls for 3.3 days and accumulates 2.32" (59mm) of snow.

When is Daylight Saving Time (DST) in Lacey?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow in Lacey?

April through October are months without snowfall in Lacey.

When are the longest days in Lacey?

With an average of 15h and 50min of daylight, June has the longest days of the year.

When is the highest UV index in Lacey?

June and July, with an average maximum UV index of 5, are months with the highest UV index.

What is the least humid month in Lacey?

With an average relative humidity of 71%, July is the least humid month in Lacey.

What is the driest month in Lacey?

July is the month with the least rainfall in Lacey, Washington. Rain falls for 6.9 days and accumulates 0.39" (10mm) of precipitation.

What is the warmest month in Lacey?

With an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 50.5°F (10.3°C), August is the warmest month in Lacey.

What month has the most sunshine in Lacey?

The month with the most sunshine in Lacey is August, with an average of 10.2h of sunshine.

What is the coldest month in Lacey?

With an average high-temperature of 43°F (6.1°C) and an average low-temperature of 33.4°F (0.8°C), December is the coldest month in Lacey, Washington.

What is the wettest month in Lacey?

The month with the most rainfall is December, when the rain falls for 18.8 days and typically aggregates up to 5.79" (147mm) of precipitation.

What is the month with the shortest days in Lacey?

December has the shortest days of the year in Lacey, with an average of 8h and 35min of daylight.

What is the month with the least sunshine in Lacey?

December has the least sunshine of the year, with an average of 3.4h of sunshine.

Average temperature
Lacey, WA

Average temperature - Lacey, WA

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).

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
Lacey, WA

Average pressure - Lacey, WA

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
Lacey, WA

Average wind speed - Lacey, WA

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
Lacey, WA

Average humidity - Lacey, WA

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
Lacey, WA

Average rainfall - Lacey, WA

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
Lacey, WA

Average rainfall days - Lacey, WA

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
Lacey, WA

Average snowfall - Lacey, WA

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
Lacey, WA

Average snowfall days - Lacey, WA

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 / Average sunshine
Lacey, WA

Average daylight / Average sunshine - Lacey, WA

The month with the longest days is June (Average daylight: 15h and 50min).
The month with the shortest days is December (Average daylight: 8h and 35min).

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
Lacey, WA

Average sunshine days - Lacey, WA

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
Lacey, WA

Average UV index - Lacey, WA

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 visibility
Lacey, WA

Average visibility - Lacey, WA

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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