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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Ellensburg, Washington, is an icy winter month, with an average temperature varying between 34.3°F (1.3°C) and 22.6°F (-5.2°C). January's advent denotes a minor fluctuation in the average high-temperature to a still cold 34.3°F (1.3°C) from December's 33.3°F (0.7°C). Weather in January »
Weather in February
February, the last month of the winter in Ellensburg, is also an icy month, with an average temperature varying between 25.2°F (-3.8°C) and 37.9°F (3.3°C). The onset of February brings with it an average high-temperature of a still icy 37.9°F (3.3°C), showing a negligible variation from the month before. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Ellensburg, Washington, with an average temperature varying between 45.1°F (7.3°C) and 30.6°F (-0.8°C). Ellensburg perceives a slight temperature ascent during March, with average high-temperatures adjusting from a cold 37.9°F (3.3°C) in February to a chilly 45.1°F (7.3°C). Weather in March »
Weather in April
April in Ellensburg, Washington, is a cool spring month, with an average temperature varying between 36.1°F (2.3°C) and 54.5°F (12.5°C). With the onset of April, Ellensburg's average high-temperature experiences a rise, moving from March's frosty 45.1°F (7.3°C) to a fresh 54.5°F (12.5°C). Weather in April »
Weather in May
The last month of the spring, May, is an enjoyable month in Ellensburg, Washington, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 64.9°F (18.3°C). With the onset of May, the average high-temperature slightly shifts from April's fresh 54.5°F (12.5°C) to an enjoyable 64.9°F (18.3°C). Weather in May »
Weather in June
June, the first month of the summer in Ellensburg, is an agreeable month, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 48.6°F (9.2°C). As May transitions into June, Ellensburg notices a gentle rise in the average high-temperature, transitioning from a comfortable 64.9°F (18.3°C) to an agreeable 72°F (22.2°C). Weather in June »
Weather in July
July in Ellensburg, Washington, is a warm summer month, with an average temperature varying between 82°F (27.8°C) and 54.9°F (12.7°C). The warmest period falls in July and August, when the average high-temperature reaches 82°F (27.8°C). The heat index value during July is calculated to be 82.4°F (28°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Ellensburg, Washington, with an average temperature ranging between max 82°F (27.8°C) and min 55.2°F (12.9°C). July and August, with an average high-temperature of 82°F (27.8°C), are marked as the warmest months. During August, the heat index is calculated to be 82.4°F (28°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a pleasant month in Ellensburg, Washington, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 49.1°F (9.5°C). Ellensburg's progression into September involves a drop in the average high-temperature, receding from a moderately hot 82°F (27.8°C) in August to a pleasant 71.1°F (21.7°C). Weather in September »
Weather in October
October, like September, is another refreshing autumn month in Ellensburg, Washington, with an average temperature ranging between max 56.3°F (13.5°C) and min 39°F (3.9°C). October indicates a noticeable reduction in the average high-temperature, moving down from an agreeable 71.1°F (21.7°C) in September to a moderate 56.3°F (13.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Ellensburg, is also a wintry month, with an average temperature varying between 29.5°F (-1.4°C) and 42.6°F (5.9°C). The commencement of November involves a temperature shift, with the average high-temperature dropping from a moderate 56.3°F (13.5°C) in October to a cold 42.6°F (5.9°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Ellensburg, Washington, with an average temperature ranging between max 33.3°F (0.7°C) and min 21.4°F (-5.9°C). Ellensburg, Washington, witnesses the coldest weather in December, with temperatures averaging a high of 33.3°F (0.7°C) and a low of 21.4°F (-5.9°C). 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
What is the most humid month in Ellensburg?
With an average relative humidity of 87%, January is the most humid month.
How many days does it rain in Ellensburg?
Throughout the year, in Ellensburg, there are 99.9 rainfall days, and 8.66" (220mm) of precipitation is accumulated.
When does it snow in Ellensburg?
Months with snowfall in Ellensburg, Washington, are January through April, September through December.
How many days does it snow in Ellensburg?
In Ellensburg, during the entire year, snow falls for 35.4 days and aggregates up to 15.59" (396mm) of snow.
What is the month with the least sunshine in Ellensburg?
The months with the least sunshine in Ellensburg are January and December, with an average of 4.8h of sunshine.
What are the months with the lowest UV index in Ellensburg?
The months with the lowest UV index in Ellensburg are January through March, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Ellensburg?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Ellensburg, 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 Ellensburg?
In Ellensburg, snow does not fall in May through August.
When are the longest days in Ellensburg?
The month with the longest days is June, with an average of 15h and 48min of daylight.
What part of the year is the hottest in Ellensburg?
July and August, when the average high-temperature reaches 82°F (27.8°C), are the warmest months.
What is the least humid month in Ellensburg?
The months with the lowest humidity in Ellensburg, Washington, are July and August, with an average relative humidity of 46%.
What is the driest month in Ellensburg?
The month with the least rainfall in Ellensburg is July, when the rain falls for 2.9 days and typically collects 0.16" (4mm) of precipitation.
What is the month with the most sunshine in Ellensburg?
The months with the most sunshine are July and August, with an average of 12h of sunshine.
What is the month with the highest UV index in Ellensburg?
With an average maximum UV index of 6, July is the month with the highest UV index.
What is the coldest month in Ellensburg?
With average high and low temperatures of 33.3°F (0.7°C) and 21.4°F (-5.9°C) respectively, December is Ellensburg's coldest month.
What is the wettest month in Ellensburg?
The month with the most rainfall is December, when the rain falls for 9.4 days and typically aggregates up to 1.3" (33mm) of precipitation.
What is the snowiest month in Ellensburg?
The month with the most snowfall is December, when snow falls for 8.7 days and typically aggregates up to 4.65" (118mm) of snow.
What is the month with the shortest days in Ellensburg?
With an average of 8h and 36min of daylight, December has the shortest days of the year.
Average temperature
Ellensburg, WA
The warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is December (33.3°F).
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure
Ellensburg, WA
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.96"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed
Ellensburg, WA
- Average wind speed in January:
4.5mph - Average wind speed in February:
5.1mph - Average wind speed in March:
6mph - Average wind speed in April:
7.4mph - Average wind speed in May:
7.7mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
8.8mph - Average wind speed in August:
8.3mph - Average wind speed in September:
6.9mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5mph - Average wind speed in December:
4.2mph
The windiest month (with the highest average wind speed) is June (8.9mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity
Ellensburg, WA
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (46%).
Average rainfall
Ellensburg, WA
- Average rainfall in January:
1.22" - Average rainfall in February:
0.91" - Average rainfall in March:
0.94" - Average rainfall in April:
0.55" - Average rainfall in May:
0.91" - Average rainfall in June:
0.39"
- Average rainfall in July:
0.16" - Average rainfall in August:
0.24" - Average rainfall in September:
0.47" - Average rainfall in October:
0.79" - Average rainfall in November:
0.79" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days
Ellensburg, WA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
10.9 days - Average rainfall days in May:
9.6 days - Average rainfall days in June:
5.4 days
- Average rainfall days in July:
2.9 days - Average rainfall days in August:
2.8 days - Average rainfall days in September:
6.1 days - Average rainfall days in October:
10.7 days - Average rainfall days in November:
10.3 days - Average rainfall days in December:
9.4 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (2.8 days).
Average snowfall
Ellensburg, WA
The month with the highest snowfall is December (4.65").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days
Ellensburg, WA
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.2 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:
0.3 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
3.5 days - Average snowfall days in December:
8.7 days
The months with the highest number of snowfall days are January and December (8.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Ellensburg, WA
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
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:
4h and 5min - Average sunshine in February:
5h and 3min - Average sunshine in March:
7h and 4min - Average sunshine in April:
10h and 2min - Average sunshine in May:
11h and 0min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
6h and 0min - Average sunshine in December:
4h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days
Ellensburg, WA
- Average sunshine days in January:
15.2 days - Average sunshine days in February:
13.5 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
19.6 days - Average sunshine days in June:
23.3 days
- Average sunshine days in July:
27.1 days - Average sunshine days in August:
26.8 days - Average sunshine days in September:
22.8 days - Average sunshine days in October:
18.2 days - Average sunshine days in November:
14.9 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is July (27.1 days).
The month with the least sunshine days is February (13.5 days).
Average UV index
Ellensburg, WA
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Ellensburg, WA
The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility
Ellensburg, WA
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Ellensburg, Washington, USA
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