Climate and monthly weather forecastEphrata, WA
Climate and monthly weather forecast
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
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With an average relative humidity of 86%, January is the most humid 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.
In Ephrata, during the entire year, the rain falls for 95.2 days and collects up to 7.91" (201mm) of precipitation.
January through April, September, November and December are months with snowfall.
Throughout the year, in Ephrata, Washington, there are 23.5 snowfall days, and 11.38" (289mm) of snow is accumulated.
With an average of 4.5h of sunshine, January has the least sunshine of the year in Ephrata, Washington.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
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.
May through August and October are months without snowfall in Ephrata.
June has the longest days of the year, with an average of 15h and 54min of daylight.
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).
July and August, with an average relative humidity of 37%, are the least humid months in Ephrata.
July and August, with an average of 12h of sunshine, are months with the most sunshine.
The month with the highest UV index is July, with an average maximum UV index of 7.
August is the month with the least rainfall in Ephrata. Rain falls for 4.2 days and accumulates 0.24" (6mm) of precipitation.
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).
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.
The month with the shortest days in Ephrata, Washington, is December, with an average of 8h and 30min of daylight.
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 in January:
30.17"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.14"Hg
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 in January:
5.3mph - Average wind speed in February:
6.2mph - Average wind speed in March:
7mph - Average wind speed in April:
7.6mph - Average wind speed in May:
7mph - Average wind speed in June:
7mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.3mph - Average wind speed in September:
6.3mph - Average wind speed in October:
6.2mph - Average wind speed in November:
6.2mph - Average wind speed in December:
5.3mph
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
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 in January:
1.02" - Average rainfall in February:
0.71" - Average rainfall in March:
0.91" - Average rainfall in April:
0.55" - Average rainfall in May:
0.94" - Average rainfall in June:
0.55"
- Average rainfall in July:
0.28" - Average rainfall in August:
0.24" - Average rainfall in September:
0.35" - Average rainfall in October:
0.67" - Average rainfall in November:
0.71" - Average rainfall in December:
0.98"
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 in January:
9.5 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
8.5 days - Average rainfall days in May:
9.1 days - Average rainfall days in June:
6.6 days
- Average rainfall days in July:
4.3 days - Average rainfall days in August:
4.2 days - Average rainfall days in September:
5.4 days - Average rainfall days in October:
9.6 days - Average rainfall days in November:
9.9 days - Average rainfall days in December:
8 days
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
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 in January:
6.3 days - Average snowfall days in February:
4.4 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.2 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
2.1 days - Average snowfall days in December:
7.8 days
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 in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 54min
- Average daylight in July:
15h and 30min - Average daylight in August:
14h and 12min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 18min - Average daylight in December:
8h and 30min
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).
- Average sunshine in January:
4h and 30min - Average sunshine in February:
5h and 18min - Average sunshine in March:
7h and 30min - Average sunshine in April:
10h and 6min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 30min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 48min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 48min - Average sunshine in December:
4h and 48min
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 in January:
16.5 days - Average sunshine days in February:
16.4 days - Average sunshine days in March:
15.6 days - Average sunshine days in April:
18.8 days - Average sunshine days in May:
20.1 days - Average sunshine days in June:
21.9 days
- Average sunshine days in July:
25.8 days - Average sunshine days in August:
25 days - Average sunshine days in September:
23.3 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
16.2 days - Average sunshine days in December:
16.9 days
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
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 cloud cover
Ephrata, WA
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).
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).
