Climate and monthly weather forecast
Ephrata, WA

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Weather in January

January, like December, in Ephrata, Washington, is another cold winter month, with an average temperature fluctuating between 34.2°F (1.2°C) and 24.3°F (-4.3°C). Ephrata's shift into January is marked by a subtle change to a still wintry 34.2°F (1.2°C) from December's 33.4°F (0.8°C) in temperature. Weather in January »

Weather in February

February, the last month of the winter in Ephrata, is also a wintry month, with temperature in the range of an average low of 27.3°F (-2.6°C) and an average high of 39°F (3.9°C). The arrival of February marks a slight shift to an average high-temperature of a still wintry 39°F (3.9°C) from January's 34.2°F (1.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Ephrata, Washington, with an average temperature ranging between min 34.5°F (1.4°C) and max 49.6°F (9.8°C). Ephrata's March weather brings a rise in high-temperatures, moving from an icy 39°F (3.9°C) in February to a frosty 49.6°F (9.8°C). Weather in March »

Weather in April

April in Ephrata, Washington, is a refreshing spring month, with an average temperature ranging between max 59.5°F (15.3°C) and min 40.3°F (4.6°C). April sees a rise in the average high-temperature, climbing from a chilly 49.6°F (9.8°C) in March to a mild 59.5°F (15.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Ephrata, Washington, with an average temperature ranging between max 70.3°F (21.3°C) and min 47.8°F (8.8°C). As May arrives, a rise in the average high-temperature is observed, moving from a mild 59.5°F (15.3°C) in April to an agreeable 70.3°F (21.3°C). Weather in May »

Weather in June

June, the first month of the summer in Ephrata, is a warm month, with an average temperature ranging between min 53.2°F (11.8°C) and max 77.2°F (25.1°C). In Ephrata, the average high-temperature in June slightly rises, from an agreeable 70.3°F (21.3°C) in May, to a moderately hot 77.2°F (25.1°C). Weather in June »

Weather in July

July in Ephrata, Washington, is a hot summer month, with an average temperature varying between 60.4°F (15.8°C) and 87.1°F (30.6°C). In Ephrata, the highest average temperatures are observed in July, with a high of 87.1°F (30.6°C) and a low of 60.4°F (15.8°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Ephrata, Washington, with an average temperature ranging between min 61.3°F (16.3°C) and max 86.7°F (30.4°C). Ephrata experiences an average high-temperature of a still tropical 86.7°F (30.4°C) with the onset of August, subtly varied from July's 87.1°F (30.6°C). Weather in August »

Weather in September

September, the first month of the autumn in Ephrata, is still a warm month, with an average temperature varying between 54.1°F (12.3°C) and 75.2°F (24°C). Welcoming September, Ephrata observes a shift in the average high-temperature, falling from August's hot 86.7°F (30.4°C) to a moderately hot 75.2°F (24°C). Weather in September »

Weather in October

October, the same as September, in Ephrata, Washington, is another refreshing autumn month, with an average temperature varying between 43.3°F (6.3°C) and 58.6°F (14.8°C). October witnesses a clear temperature decrease, falling from a moderately hot 75.2°F (24°C) in September to a moderate 58.6°F (14.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Ephrata, Washington, with an average temperature ranging between max 44.1°F (6.7°C) and min 32.7°F (0.4°C). Ephrata's weather in November is marked by a clear decrease in the average high-temperature, moving down from October's moderate 58.6°F (14.8°C) to a chilly 44.1°F (6.7°C). Weather in November »

Weather in December

December, the first month of the winter in Ephrata, is also a wintry month, with an average temperature varying between 33.4°F (0.8°C) and 23.2°F (-4.9°C). December, with average temperatures reaching a high of 33.4°F (0.8°C) and a low of 23.2°F (-4.9°C), is the coldest month. Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month in Ephrata?

With an average relative humidity of 86%, January is the most humid month in Ephrata.

What is the rainiest month in Ephrata?

The month with the most rainfall in Ephrata is January, when the rain falls for 9.5 days and typically aggregates up to 1.02" (26mm) of precipitation.

How much does it rain in Ephrata?

In Ephrata, during the entire year, the rain falls for 95.2 days and collects up to 7.91" (201mm) of precipitation.

When does it snow in Ephrata?

January through April, September, November and December are months with snowfall.

How much does it snow in Ephrata?

Throughout the year, in Ephrata, Washington, there are 23.5 snowfall days, and 11.38" (289mm) of snow is accumulated.

What is the month with the least sunshine in Ephrata?

With an average of 4.5h of sunshine, January has the least sunshine of the year in Ephrata, Washington.

When is the lowest UV index in Ephrata?

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

When is Daylight Saving Time (DST) in Ephrata?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Ephrata, Washington, 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 Ephrata?

May through August and October are months without snowfall in Ephrata.

When are the longest days in Ephrata?

June has the longest days of the year, with an average of 15h and 54min of daylight.

What month is the hottest in Ephrata?

The warmest period in Ephrata is July, when temperatures fluctuate between an average high of 87.1°F (30.6°C) and a low of 60.4°F (15.8°C).

What are the least humid months in Ephrata?

July and August, with an average relative humidity of 37%, are the least humid months in Ephrata.

What are the months with the most sunshine in Ephrata?

July and August, with an average of 12h of sunshine, are months with the most sunshine.

When is the highest UV index in Ephrata?

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

What is the driest month in Ephrata?

August is the month with the least rainfall in Ephrata. Rain falls for 4.2 days and accumulates 0.24" (6mm) of precipitation.

What time of the year is the coldest in Ephrata?

December, on average, is the coldest month, registering a high temperature of 33.4°F (0.8°C) and a low of 23.2°F (-4.9°C).

When does it snow the most in Ephrata?

The month with the most snowfall in Ephrata, Washington, is December, when snow falls for 7.8 days and typically aggregates up to 3.98" (101mm) of snow.

What is the month with the shortest days in Ephrata?

The month with the shortest days in Ephrata, Washington, is December, with an average of 8h and 30min of daylight.

Average temperature
Ephrata, WA

Average temperature - Ephrata, WA

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (33.4°F).

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

Average pressure
Ephrata, WA

Average pressure - Ephrata, WA

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed
Ephrata, WA

Average wind speed - Ephrata, WA

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).

Average humidity
Ephrata, WA

Average humidity - Ephrata, WA

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (37%).

Average rainfall
Ephrata, WA

Average rainfall - Ephrata, WA

The wettest month (with the highest rainfall) is January (1.02").
The driest month (with the least rainfall) is August (0.24").

Average rainfall days
Ephrata, WA

Average rainfall days - Ephrata, WA

The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (4.2 days).

Average snowfall
Ephrata, WA

Average snowfall - Ephrata, WA

The month with the highest snowfall is December (3.98").
The months with the least snowfall are May, June, July, August and October (0").

Average snowfall days
Ephrata, WA

Average snowfall days - Ephrata, WA

The month with the highest number of snowfall days is December (7.8 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight / Average sunshine
Ephrata, WA

Average daylight / Average sunshine - Ephrata, WA

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

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).

Average sunshine days
Ephrata, WA

Average sunshine days - Ephrata, WA

The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (15.6 days).

Average UV index
Ephrata, WA

Average UV index - Ephrata, 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
Ephrata, WA

Average visibility - Ephrata, WA

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Ephrata, Washington, USA

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