Climate and monthly weather forecast
Hay, WA

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Weather in January

January, the same as December, is a wintry winter month in Hay, Washington, with an average temperature ranging between max 38.5°F (3.6°C) and min 28.2°F (-2.1°C). In January, Hay experiences a minor shift in meteorological conditions with average high-temperatures marked at a still cold 38.5°F (3.6°C), closely mirroring the climate in December. Weather in January »

Weather in February

February, the last month of the winter in Hay, is another cold month, with an average temperature ranging between min 29.7°F (-1.3°C) and max 41.4°F (5.2°C). Hay experiences a recorded average high-temperature of a still cold 41.4°F (5.2°C) in February, closely aligned with January's 38.5°F (3.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Hay, Washington, with an average temperature fluctuating between 48.7°F (9.3°C) and 34.3°F (1.3°C). With the onset of March, Hay's average high-temperature experiences a slight rise, moving from February's wintry 41.4°F (5.2°C) to a frosty 48.7°F (9.3°C). Weather in March »

Weather in April

April in Hay, Washington, is a refreshing spring month, with an average temperature fluctuating between 38.1°F (3.4°C) and 56.1°F (13.4°C). Hay observes a slight uplift in the average high-temperature with the onset of April, adjusting from March's frosty 48.7°F (9.3°C) to a refreshing 56.1°F (13.4°C). Weather in April »

Weather in May

May, the last month of the spring in Hay, is a comfortable month, with temperature in the range of an average low of 44.8°F (7.1°C) and an average high of 65.1°F (18.4°C). As April gives way to May, the average high-temperature displays a slight ascent, adjusting from a moderate 56.1°F (13.4°C) to a still refreshing 65.1°F (18.4°C). Weather in May »

Weather in June

June, the first month of the summer in Hay, is an agreeable month, with temperature in the range of an average low of 50.5°F (10.3°C) and an average high of 72.1°F (22.3°C). The onset of June marks a slight increase in the average high-temperature, moving from a refreshing 65.1°F (18.4°C) in May to an agreeable 72.1°F (22.3°C). Weather in June »

Weather in July

July in Hay, Washington, is a moderately hot summer month, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 59°F (15°C). An escalation in the average high-temperature is seen with the onset of July, moving from a pleasant 72.1°F (22.3°C) in June to a moderately hot 83.7°F (28.7°C). Weather in July »

Weather in August

August, the last month of the summer in Hay, is also a moderately hot month, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 83.8°F (28.8°C). In Hay, Washington, the peak average temperatures are observed in August, with a high of 83.8°F (28.8°C) and a low of 61.7°F (16.5°C). Weather in August »

Weather in September

September, the first month of the autumn in Hay, is also a moderately hot month, with an average temperature varying between 74.3°F (23.5°C) and 54.5°F (12.5°C). The beginning of September involves a decrease in the average high-temperature, transitioning from 83.8°F (28.8°C) in August to a still moderately hot 74.3°F (23.5°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Hay, Washington, with temperature in the range of an average high of 59.2°F (15.1°C) and an average low of 44.1°F (6.7°C). A clear decrease in the average high-temperature is observed during October, decreasing from a moderately hot 74.3°F (23.5°C) in September to a refreshing 59.2°F (15.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Hay, is also a frosty month, with an average temperature ranging between min 34.3°F (1.3°C) and max 46.6°F (8.1°C). As November arrives, Hay's weather displays a decrease in high-temperatures, transitioning from October's refreshing 59.2°F (15.1°C) to a frosty 46.6°F (8.1°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Hay, Washington, with an average temperature ranging between max 36.3°F (2.4°C) and min 25.9°F (-3.4°C). December is the coldest month, exhibiting average temperatures of 36.3°F (2.4°C) at the peak and 25.9°F (-3.4°C) at the base. Weather in December »
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month?

January is the most humid month, with an average relative humidity of 81%.

How many days does it rain?

In Hay, during the entire year, the rain falls for 122.8 days and collects up to 13.43" (341mm) of precipitation.

When does it snow?

January through May, September through December are months with snowfall in Hay.

How much does it snow?

In Hay, during the entire year, snow falls for 32.7 days and aggregates up to 16.77" (426mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 5h of sunshine.

What are the months with the lowest UV index?

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

When does it snow the most in Hay?

The month with the most snowfall is February, when snow falls for 8 days and typically aggregates up to 5.12" (130mm) of snow.

What is the wettest month?

The wettest months are March and December, with an average 1.69" (43mm) of rainfall.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When it does not snow?

In Hay, snow does not fall in June through August.

When are the longest days?

June has the longest days of the year, with an average of 15h and 48min of daylight.

What is the driest month?

July is the month with the least rainfall. Rain falls for 4.8 days and accumulates 0.31" (8mm) of precipitation.

What is the month with the highest UV index?

July is the month with the highest UV index, with an average maximum UV index of 7.

What are the warmest months in Hay?

August registers as the month with the average highest temperatures, reaching 83.8°F (28.8°C) at its peak and 61.7°F (16.5°C) at the lowest.

What is the least humid month in Hay?

With an average relative humidity of 37%, August is the least humid month.

What month has the most sunshine?

August has the most sunshine of the year in Hay, with an average of 12h of sunshine.

What part of the year is the coldest?

Hay, Washington, experiences its average lowest temperatures in December, reaching a peak of 36.3°F (2.4°C) and a minimum of 25.9°F (-3.4°C).

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 36min of daylight.

Average temperature
Hay, WA

Average temperature - Hay, WA

The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (36.3°F).

The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is December (25.9°F).

Average pressure
Hay, WA

Average pressure - Hay, WA

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed
Hay, WA

Average wind speed - Hay, WA

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest months (with the lowest average wind speed) are August and September (6mph).

Average rainfall
Hay, WA

Average rainfall - Hay, WA

The wettest months (with the highest rainfall) are March and December (1.69").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days
Hay, WA

Average rainfall days - Hay, WA

The month with the highest number of rainy days is March (15.7 days).
The month with the least rainy days is July (4.8 days).

Average snowfall
Hay, WA

Average snowfall - Hay, WA

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July and August (0").

Average snowfall days
Hay, WA

Average snowfall days - Hay, WA

The months with the highest number of snowfall days are February and December (8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Hay, WA

Average daylight / Average sunshine - Hay, WA

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).

The month with the most sunshine is August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).

Average sunshine days
Hay, WA

Average sunshine days - Hay, WA

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (11.9 days).

Average UV index
Hay, WA

Average UV index - Hay, WA

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Hay, WA

Average visibility - Hay, WA

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

Hay, Washington, USA

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