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, like December, in Wasco, Oregon, is an icy winter month, with an average temperature varying between 27.9°F (-2.3°C) and 38.3°F (3.5°C). At the start of January, Wasco's average high-temperature reaches a still icy 38.3°F (3.5°C), subtly different from the preceding month. Weather in January »

Weather in February

February, the last month of the winter in Wasco, is another cold month, 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). Transitioning from January to February, Wasco observes an average high-temperature of a still cold 41.5°F (5.3°C), differing subtly from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Wasco, is a chilly month, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 48.6°F (9.2°C). As March arrives, a slight rise in the average high-temperature is observed, moving from a cold 41.5°F (5.3°C) in February to a chilly 48.6°F (9.2°C). Weather in March »

Weather in April

April is a moderate spring month in Wasco, Oregon, with temperature in the range of an average low of 38.5°F (3.6°C) and an average high of 57.4°F (14.1°C). As April arrives, a slight rise in the average high-temperature is observed, 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 an enjoyable month in Wasco, Oregon, with an average temperature ranging between max 67.5°F (19.7°C) and min 45.1°F (7.3°C). With the onset of May, Wasco's average high-temperature sees a rise, moving from April's moderate 57.4°F (14.1°C) to an enjoyable 67.5°F (19.7°C). Weather in May »

Weather in June

June, the first month of the summer in Wasco, is a warm month, with an average temperature fluctuating between 74.1°F (23.4°C) and 51.1°F (10.6°C). The beginning of June signals a minor rise in the average high-temperature, moving from a refreshing 67.5°F (19.7°C) in May to a warm 74.1°F (23.4°C). Weather in June »

Weather in July

July, like June, in Wasco, Oregon, is another warm summer month, with an average temperature fluctuating between 57.7°F (14.3°C) and 83.8°F (28.8°C). Wasco's temperatures tend to reach their peak averages in July, with a high of 83.8°F (28.8°C) and a low of 57.7°F (14.3°C). July's heat index is calculated to be 84.2°F (29°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Wasco, Oregon, with an average temperature varying between 83.3°F (28.5°C) and 59°F (15°C). The shift into August records an average high-temperature of a still moderately hot 83.3°F (28.5°C), subtly varied from July's 83.8°F (28.8°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Wasco, Oregon, with temperature in the range of an average low of 53.2°F (11.8°C) and an average high of 73°F (22.8°C). The onset of September is marked by a decrease in temperature, transitioning from a moderately hot 83.3°F (28.5°C) in August to a pleasant 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 an average temperature fluctuating between 43.7°F (6.5°C) and 58.6°F (14.8°C). As Wasco, Oregon, transitions into October, a marked decrease in the average high-temperature is observed, dropping from an agreeable 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 another chilly month, with an average temperature fluctuating between 45.9°F (7.7°C) and 34°F (1.1°C). The start of November involves a temperature drop, moving from a refreshing 58.6°F (14.8°C) in October to a frosty 45.9°F (7.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Wasco, Oregon, with an average temperature ranging between max 37°F (2.8°C) and min 27.1°F (-2.7°C). December is the month that records the lowest temperatures, with averages ranging from a high of 37°F (2.8°C) to a low of 27.1°F (-2.7°C). Weather in December »
Updated: Feb 13, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the most humid month in Wasco?

The most humid month in Wasco is January, with an average relative humidity of 84%.

How many days does it rain in Wasco?

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

When does it snow in Wasco?

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

How much does it snow in Wasco?

In Wasco, during the entire year, snow falls for 7.2 days and aggregates up to 1.77" (45mm) of snow.

What is the month with the least sunshine in Wasco?

The month with the least sunshine in Wasco, Oregon, is January, with an average of 5.1h of sunshine.

When is the lowest UV index in Wasco?

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

What is the snowiest month in Wasco?

February is the month with the most snowfall in Wasco. Snow falls for 2.3 days and accumulates 0.55" (14mm) of snow.

When is Daylight Saving Time (DST) in Wasco?

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

April, July and November are months with the least rain in Wasco, Oregon, when the rain falls for 5.4 days and typically aggregates up to 0.12" (3mm) of rain.

When it does not snow in Wasco?

April through October are months without snowfall.

What is the wettest month in Wasco?

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 in Wasco?

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

When is the highest UV index in Wasco?

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

What time of the year is the hottest in Wasco?

July is Wasco's warmest month, registering average high temperatures of 83.8°F (28.8°C) and lows of 57.7°F (14.3°C).

What is the least humid month in Wasco?

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

What is the month with the most sunshine in Wasco?

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

What part of the year is the coldest in Wasco?

December, with its average high-temperature of 37°F (2.8°C) and an average low-temperature of 27.1°F (-2.7°C), holds the record as the coldest month in Wasco.

What is the month with the shortest days in Wasco?

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

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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