Climate and monthly weather forecast
Wasco, OR

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A big ranch farm with a large, red barn and a vast planted farm outback, near Wasco Town in Oregon
A big ranch farm with a large, red barn and a vast planted farm outback, near Wasco Town in Oregon

Weather in January

January, the same as December, is a wintry winter month in Wasco, Oregon, with an average temperature fluctuating between 38.3°F (3.5°C) and 27.9°F (-2.3°C). Wasco records a slight change with January's average high-temperatures adjusting to a still wintry 38.3°F (3.5°C) from December's 37°F (2.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Wasco, Oregon, with temperature in the range of an average low of 29.5°F (-1.4°C) and an average high of 41.5°F (5.3°C). The average high-temperature during February registers at a still icy 41.5°F (5.3°C), maintaining a close resemblance to the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Wasco, Oregon, with an average temperature varying between 48.6°F (9.2°C) and 33.4°F (0.8°C). As March arrives, Wasco's weather shows a minor increase in high-temperatures, edging from February's cold 41.5°F (5.3°C) to a frosty 48.6°F (9.2°C). Weather in March »

Weather in April

April in Wasco, Oregon, is a moderate spring month, with an average temperature ranging between min 38.5°F (3.6°C) and max 57.4°F (14.1°C). Wasco experiences a minor temperature shift with the start of April, with average high-temperatures moving from a frosty 48.6°F (9.2°C) in March to a refreshing 57.4°F (14.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Wasco, Oregon, with an average temperature varying between 67.5°F (19.7°C) and 45.1°F (7.3°C). The beginning of May marks a shift in the average high-temperature, moving from April's moderate 57.4°F (14.1°C) to a still refreshing 67.5°F (19.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Wasco, Oregon, with an average temperature fluctuating between 74.1°F (23.4°C) and 51.1°F (10.6°C). As June arrives, Wasco's weather shows a minor increase in high-temperatures, edging from May's comfortable 67.5°F (19.7°C) to a moderately hot 74.1°F (23.4°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Wasco, Oregon, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 83.8°F (28.8°C). Wasco's warmest month, July, generally records average temperatures ranging from a high of 83.8°F (28.8°C) to a low of 57.7°F (14.3°C). In July, the average heat index is estimated at 84.2°F (29°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Wasco, Oregon, with an average temperature varying between 59°F (15°C) and 83.3°F (28.5°C). The average high-temperature in August, at a still moderately hot 83.3°F (28.5°C), reveals a modest deviation from July's 83.8°F (28.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Wasco, is still a pleasant month, with an average temperature ranging between min 53.2°F (11.8°C) and max 73°F (22.8°C). The onset of September introduces a moderate change in Wasco's weather, with average high-temperatures falling from August's warm 83.3°F (28.5°C) to an agreeable 73°F (22.8°C). Weather in September »

Weather in October

October, the same as September, in Wasco, Oregon, is another mild autumn month, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 43.7°F (6.5°C). Wasco's transition into October is marked by a distinct drop in the average high-temperature, reducing from a pleasant 73°F (22.8°C) in September to a mild 58.6°F (14.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Wasco, is also a frosty month, with an average temperature varying between 34°F (1.1°C) and 45.9°F (7.7°C). A subtle decrease in the average high-temperature marks November, falling from October's mild 58.6°F (14.8°C) to a frosty 45.9°F (7.7°C). Weather in November »

Weather in December

December, the first month of the winter in Wasco, is also a wintry month, with an average temperature ranging between min 27.1°F (-2.7°C) and max 37°F (2.8°C). December is the month when Wasco experiences its coldest temperatures, averaging a high of 37°F (2.8°C) and a low of 27.1°F (-2.7°C). Weather in December »

Frequently asked questions

What is the most humid month?

With an average relative humidity of 84%, January is the most humid month.

How much does it rain in Wasco?

Throughout the year, there are 50.4 rainfall days, and 2.6" (66mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through March, November and December.

How many days does it snow in Wasco?

Throughout the year, there are 7.2 snowfall days, and 1.77" (45mm) of snow is accumulated.

What is the month with the least sunshine?

With an average of 5.1h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index?

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

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 2.3 days and typically aggregates up to 0.55" (14mm) of snow.

When is Daylight Saving Time (DST)?

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

What is the driest month?

The months with the least rainfall in Wasco are April, July and November Rain falls for 5.4 days and accumulates 0.12" (3mm) of rain.

When it does not snow?

April through October are months without snowfall.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 6.1 days and accumulates 0.47" (12mm) of precipitation.

When are the longest days?

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

What are the months with the highest UV index?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What month is the hottest?

Wasco's July weather reaches an average high of 83.8°F (28.8°C) and an average low of 57.7°F (14.3°C), making it the warmest month.

What is the least humid month?

The months with the lowest humidity are July and August, with an average relative humidity of 45%.

What are the months with the most sunshine?

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

What part of the year is the coldest in Wasco?

Wasco's coldest month, December, generally records average temperatures ranging from a high of 37°F (2.8°C) to a low of 27.1°F (-2.7°C).

What is the month with the shortest days?

With an average of 8h and 48min of daylight, December has the shortest days of the year.

Average temperature
Wasco, OR

Average temperature - Wasco, OR

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is December (37°F).

The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).

Average pressure
Wasco, OR

Average pressure - Wasco, OR

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).

Average wind speed
Wasco, OR

Average wind speed - Wasco, OR

The windiest month (with the highest average wind speed) is June (8.8mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

Average humidity
Wasco, OR

Average humidity - Wasco, OR

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (45%).

Average rainfall
Wasco, OR

Average rainfall - Wasco, OR

The wettest month (with the highest rainfall) is May (0.47").
The driest months (with the least rainfall) are April, July and November (0.12").

Average rainfall days
Wasco, OR

Average rainfall days - Wasco, OR

The month with the highest number of rainy days is May (6.1 days).
The month with the least rainy days is July (2.9 days).

Average snowfall
Wasco, OR

Average snowfall - Wasco, OR

The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Wasco, OR

Average snowfall days - Wasco, OR

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Wasco, OR

Average daylight / Average sunshine - Wasco, 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: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days
Wasco, OR

Average sunshine days - Wasco, OR

The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is February (21.9 days).

Average UV index
Wasco, OR

Average UV index - Wasco, OR

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Wasco, OR

Average visibility - Wasco, OR

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).

Wasco, Oregon, USA

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