Climate and monthly weather forecast
Cascade Locks, OR

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Weather in January

January, like December, in Cascade Locks, Oregon, is another cold winter month, with an average temperature varying between 38.8°F (3.8°C) and 28.9°F (-1.7°C). The average high-temperature during January registers at a still icy 38.8°F (3.8°C), maintaining a close resemblance to the previous month. Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Cascade Locks, Oregon, with an average temperature varying between 39.9°F (4.4°C) and 29.5°F (-1.4°C). Cascade Locks transitions into February recording an average high-temperature of a still cold 39.9°F (4.4°C), closely aligning with the preceding month's temperature. Weather in February »

Weather in March

March, the first month of the spring in Cascade Locks, is a chilly month, with an average temperature ranging between max 44.4°F (6.9°C) and min 30.6°F (-0.8°C). The average high-temperature is a chilly 44.4°F (6.9°C) in March, hardly different from the 39.9°F (4.4°C) recorded in February. Weather in March »

Weather in April

April is a cool spring month in Cascade Locks, Oregon, with an average temperature ranging between min 34.3°F (1.3°C) and max 51.4°F (10.8°C). The shift into April is marked by a modest rise in the average high-temperature, moving from March's frosty 44.4°F (6.9°C) to a cool 51.4°F (10.8°C). Weather in April »

Weather in May

May, the last month of the spring in Cascade Locks, is a comfortable month, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 39.4°F (4.1°C). The start of May is characterized by an increase in the average high-temperature, transitioning from a fresh 51.4°F (10.8°C) in April to a comfortable 61.2°F (16.2°C). Weather in May »

Weather in June

June, the first month of the summer in Cascade Locks, is still a comfortable month, with an average temperature ranging between max 66.7°F (19.3°C) and min 43.5°F (6.4°C). June's arrival is noted with a slight increase in the average high-temperature, moving from an enjoyable 61.2°F (16.2°C) in May to a still comfortable 66.7°F (19.3°C). Weather in June »

Weather in July

July is a moderately hot summer month in Cascade Locks, Oregon, with an average temperature ranging between min 48°F (8.9°C) and max 75.9°F (24.4°C). The beginning of July signals a rise in the average high-temperature, moving from a comfortable 66.7°F (19.3°C) in June to a warm 75.9°F (24.4°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Cascade Locks, Oregon, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 49.5°F (9.7°C). With average high temperatures of 76.6°F (24.8°C) and lows of 49.5°F (9.7°C), August is the warmest month. Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in Cascade Locks, Oregon, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 46.2°F (7.9°C). The average high-temperature decreases in September, shifting from a warm 76.6°F (24.8°C) in August to a comfortable 67.5°F (19.7°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Cascade Locks, Oregon, with an average temperature ranging between min 40.6°F (4.8°C) and max 55.8°F (13.2°C). The shift to October brings a decrease in the average high-temperature, falling from an enjoyable 67.5°F (19.7°C) in September to a moderate 55.8°F (13.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Cascade Locks, is also a frosty month, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 34°F (1.1°C). In Cascade Locks, the average high-temperature in November decreases from a refreshing 55.8°F (13.2°C) in October to a chilly 44.2°F (6.8°C). Weather in November »

Weather in December

December, the first month of the winter in Cascade Locks, is still a cold month, with an average temperature varying between 37.2°F (2.9°C) and 27.7°F (-2.4°C). Cascade Locks notes the coldest temperatures in December, with a high average of 37.2°F (2.9°C) and a low of 27.7°F (-2.4°C). Weather in December »

Frequently asked questions

What is the rainiest month?

The month with the most rainfall is January, when the rain falls for 19.4 days and typically aggregates up to 7.48" (190mm) of precipitation.

How much does it rain?

Throughout the year, there are 181 rainfall days, and 43.15" (1096mm) of precipitation is accumulated.

When does it snow?

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

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 2.6 days and accumulates 4.33" (110mm) of snow.

How much does it snow?

Throughout the year, there are 13.5 snowfall days, and 12.95" (329mm) of snow is accumulated.

When is the lowest UV index?

With an average maximum UV index of 1, January is the month with the lowest UV index in Cascade Locks.

What is the most humid month?

The most humid month in Cascade Locks is February, with an average relative humidity of 89%.

What is the month with the least sunshine?

With an average of 3.4h of sunshine, February has the least sunshine of the year.

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 Cascade Locks, snow does not fall in May through October.

When are the longest days?

With an average of 15h and 36min of daylight, June has the longest days of the year.

What is the month with the highest UV index?

The months with the highest UV index are June and July, with an average maximum UV index of 5.

What is the least humid month?

July and August, with an average relative humidity of 66%, are the least humid months.

What is the driest month?

July is the month with the least rainfall. Rain falls for 5.2 days and accumulates 0.31" (8mm) of precipitation.

What is the month with the most sunshine in Cascade Locks?

The months with the most sunshine in Cascade Locks are July and August, with an average of 11.1h of sunshine.

What are the warmest months?

The warmest month is August, with an average high-temperature of 76.6°F (24.8°C) and an average low-temperature of 49.5°F (9.7°C).

What time of the year is the coldest?

Cascade Locks's temperature records reveal December as the coldest month, marked by average highs of 37.2°F (2.9°C) and lows of 27.7°F (-2.4°C).

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 48min of daylight.

Average temperature
Cascade Locks, OR

Average temperature - Cascade Locks, OR

The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (37.2°F).

The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).

Average pressure
Cascade Locks, OR

Average pressure - Cascade Locks, OR

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.98"Hg).

Average wind speed
Cascade Locks, OR

Average wind speed - Cascade Locks, OR

The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

Average humidity
Cascade Locks, OR

Average humidity - Cascade Locks, OR

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (66%).

Average rainfall
Cascade Locks, OR

Average rainfall - Cascade Locks, OR

The wettest month (with the highest rainfall) is January (7.48").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days
Cascade Locks, OR

Average rainfall days - Cascade Locks, OR

The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is August (5 days).

Average snowfall
Cascade Locks, OR

Average snowfall - Cascade Locks, OR

The month with the highest snowfall is January (4.33").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Cascade Locks, OR

Average snowfall days - Cascade Locks, OR

The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Cascade Locks, OR

Average daylight / Average sunshine - Cascade Locks, OR

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).

Average sunshine days
Cascade Locks, OR

Average sunshine days - Cascade Locks, OR

The month with the most sunshine days is August (24 days).
The month with the least sunshine days is February (7.1 days).

Average visibility
Cascade Locks, OR

Average visibility - Cascade Locks, OR

The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).

Cascade Locks, Oregon, USA

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