Climate and monthly weather forecastCascade Valley, WA
Climate and monthly weather forecast
Weather in January
January, like December, in Cascade Valley, Washington, is another cold winter month, with an average temperature fluctuating between 34.9°F (1.6°C) and 25.3°F (-3.7°C). Entering January, the average high-temperature is recorded at a still cold 34.9°F (1.6°C), exhibiting a minimal shift from December's 34°F (1.1°C). Weather in January »Weather in February
The last month of the winter, February, is another cold month in Cascade Valley, Washington, with an average temperature fluctuating between 28.8°F (-1.8°C) and 39.9°F (4.4°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a still icy 39.9°F (4.4°C) from January's 34.9°F (1.6°C). Weather in February »Weather in March
The first month of the spring, March, is a fresh month in Cascade Valley, Washington, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 50.9°F (10.5°C). Cascade Valley experiences a temperature shift with the start of March, with average high-temperatures moving from a wintry 39.9°F (4.4°C) in February to a fresh 50.9°F (10.5°C). Weather in March »Weather in April
April in Cascade Valley, Washington, is a refreshing spring month, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 60.6°F (15.9°C). As Cascade Valley transitions into April, the average high-temperature shows a change, moving from a cool 50.9°F (10.5°C) in March to a refreshing 60.6°F (15.9°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Cascade Valley, Washington, with an average temperature fluctuating between 49.1°F (9.5°C) and 70.9°F (21.6°C). The start of May brings a shift in the average high-temperature, increasing from April's refreshing 60.6°F (15.9°C) to an agreeable 70.9°F (21.6°C). Weather in May »Weather in June
June, the first month of the summer in Cascade Valley, is a warm month, with an average temperature varying between 54°F (12.2°C) and 77.7°F (25.4°C). The average high-temperature mildly increases in June, edging from a pleasant 70.9°F (21.6°C) in May to a warm 77.7°F (25.4°C). Weather in June »Weather in July
July is a hot summer month in Cascade Valley, Washington, with an average temperature varying between 61.3°F (16.3°C) and 87.6°F (30.9°C). Temperature records mark July as the warmest month, with highs averaging 87.6°F (30.9°C) and lows at 61.3°F (16.3°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Cascade Valley, Washington, with temperature in the range of an average low of 62.2°F (16.8°C) and an average high of 86.9°F (30.5°C). August notes an average high-temperature of a still hot 86.9°F (30.5°C), subtly differing from July's 87.6°F (30.9°C). Weather in August »Weather in September
September, the first month of the autumn in Cascade Valley, is also a moderately hot month, with an average temperature ranging between max 75.9°F (24.4°C) and min 55.2°F (12.9°C). Onset of September comes with a temperature decline, the average high falling from a tropical 86.9°F (30.5°C) in August to a moderately hot 75.9°F (24.4°C). Weather in September »Weather in October
October, like September, is another mild autumn month in Cascade Valley, Washington, with an average temperature ranging between min 43.7°F (6.5°C) and max 59.5°F (15.3°C). October's onset brings a noticeable temperature drop, falling from a warm 75.9°F (24.4°C) in September to a mild 59.5°F (15.3°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Cascade Valley, Washington, with an average temperature fluctuating between 32.5°F (0.3°C) and 44.6°F (7°C). November's arrival signals a distinct temperature shift, dropping from a refreshing 59.5°F (15.3°C) in October to a frosty 44.6°F (7°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Cascade Valley, Washington, with an average temperature ranging between min 23.9°F (-4.5°C) and max 34°F (1.1°C). The coldest month is December, with an average high-temperature of 34°F (1.1°C) and an average low-temperature of 23.9°F (-4.5°C). Weather in December »Updated: Aug 21, 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
January is the most humid month in Cascade Valley, with an average relative humidity of 85%.
The month with the most rainfall is January, when the rain falls for 11.1 days and typically aggregates up to 1.02" (26mm) of precipitation.
In Cascade Valley, during the entire year, the rain falls for 103.1 days and collects up to 7.8" (198mm) of precipitation.
January through April, September, November and December are months with snowfall.
Throughout the year, there are 20.9 snowfall days, and 8.07" (205mm) of snow is accumulated.
The month with the least sunshine in Cascade Valley is January, with an average of 4.9h of sunshine.
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, 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.
In Cascade Valley, snow does not fall in May through August and October.
The month with the longest days is June, with an average of 15h and 54min of daylight.
July, having an average high-temperature of 87.6°F (30.9°C) and an average low-temperature of 61.3°F (16.3°C), is the warmest month.
The months with the lowest humidity are July and August, with an average relative humidity of 36%.
July and August, with an average of 12h of sunshine, are months with the most sunshine in Cascade Valley.
The month with the highest UV index is July, with an average maximum UV index of 7.
The month with the least rainfall is August, when the rain falls for 4.3 days and typically collects 0.2" (5mm) of precipitation.
December is the coldest month, exhibiting average temperatures of 34°F (1.1°C) at the peak and 23.9°F (-4.5°C) at the base.
The month with the most snowfall is December, when snow falls for 6.8 days and typically aggregates up to 2.6" (66mm) of snow.
With an average of 8h and 36min of daylight, December has the shortest days of the year.
Average temperature
Cascade Valley, WA
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (34°F).
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure
Cascade Valley, 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:
29.94"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.15"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
Cascade Valley, WA
- Average wind speed in January:
5.5mph - Average wind speed in February:
6.3mph - Average wind speed in March:
7.5mph - Average wind speed in April:
7.9mph - Average wind speed in May:
7mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.1mph - Average wind speed in September:
6.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.6mph - Average wind speed in December:
5.5mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).
Average humidity
Cascade Valley, WA
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall
Cascade Valley, 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:
0.87" - Average rainfall in June:
0.63"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.2" - Average rainfall in September:
0.31" - 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 (0.2").
Average rainfall days
Cascade Valley, WA
- Average rainfall days in January:
11.1 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
9.6 days - Average rainfall days in May:
9.8 days - Average rainfall days in June:
7.6 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
4.3 days - Average rainfall days in September:
5.4 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
10.7 days - Average rainfall days in December:
9.9 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (3.8 days).
Average snowfall
Cascade Valley, WA
The month with the highest snowfall is December (2.6").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days
Cascade Valley, WA
- Average snowfall days in January:
5.5 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
2.3 days - Average snowfall days in April:
0.4 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:
0.1 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
6.8 days
The month with the highest number of snowfall days is December (6.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight / Average sunshine
Cascade Valley, 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 36min - 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 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 36min
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 36min).
- Average sunshine in January:
4h and 54min - Average sunshine in February:
5h and 24min - Average sunshine in March:
7h and 36min - Average sunshine in April:
10h and 12min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 36min
- 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 48min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 0min
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 54min).
Average sunshine days
Cascade Valley, WA
- Average sunshine days in January:
15.8 days - Average sunshine days in February:
15.3 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
17.1 days - Average sunshine days in May:
19.1 days - Average sunshine days in June:
20.4 days
- Average sunshine days in July:
25.8 days - Average sunshine days in August:
25 days - Average sunshine days in September:
23.4 days - Average sunshine days in October:
20 days - Average sunshine days in November:
16.3 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (14.2 days).
Average UV index
Cascade Valley, 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
Cascade Valley, WA
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility
Cascade Valley, WA
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
