Climate and monthly weather forecast
Diamond, OR

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Weather in January

January, like December, in Diamond, Oregon, is an icy winter month, with temperature in the range of an average high of 35.2°F (1.8°C) and an average low of 23.4°F (-4.8°C). The arrival of January coincides with an average high-temperature of a still cold 35.2°F (1.8°C), indicating a minimal shift from December's 33.3°F (0.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Diamond, Oregon, with temperature in the range of an average low of 25.5°F (-3.6°C) and an average high of 37.6°F (3.1°C). January's transformation into February witnesses an average high-temperature of a still icy 37.6°F (3.1°C), noting a minor change from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Diamond, is a chilly month, with an average temperature ranging between min 31.6°F (-0.2°C) and max 45.3°F (7.4°C). As March sets, the average high-temperature shows a slight increase, moving up from an icy 37.6°F (3.1°C) in February to a frosty 45.3°F (7.4°C). Weather in March »

Weather in April

April in Diamond, Oregon, is a cool spring month, with an average temperature varying between 35.6°F (2°C) and 52.9°F (11.6°C). Observing a minor shift, the average high-temperature during April adjusts from March's frosty 45.3°F (7.4°C) to a cool 52.9°F (11.6°C). Weather in April »

Weather in May

May, the last month of the spring in Diamond, is an enjoyable month, with an average temperature varying between 42.8°F (6°C) and 62.4°F (16.9°C). As Diamond transitions into May, the average high-temperature shows a change, moving from a fresh 52.9°F (11.6°C) in April to an enjoyable 62.4°F (16.9°C). Weather in May »

Weather in June

June, the first month of the summer in Diamond, is an agreeable month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 71.1°F (21.7°C). June sees a marginal temperature increase, moving from an enjoyable 62.4°F (16.9°C) in May to an agreeable 71.1°F (21.7°C). Weather in June »

Weather in July

July in Diamond, Oregon, is a warm summer month, with an average temperature fluctuating between 58.3°F (14.6°C) and 82.9°F (28.3°C). In Diamond, the average temperatures in July are the highest, with a peak at 82.9°F (28.3°C) and a low of 58.3°F (14.6°C). Weather in July »

Weather in August

August, the last month of the summer in Diamond, is another warm month, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 59°F (15°C). Diamond's average high-temperature in August is a still warm 81.5°F (27.5°C), marking an insignificant difference from the 82.9°F (28.3°C) of July. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Diamond, Oregon, with an average temperature fluctuating between 72.5°F (22.5°C) and 52°F (11.1°C). September's arrival corresponds with a decrease in average high-temperatures, from August's moderately hot 81.5°F (27.5°C) to a pleasant 72.5°F (22.5°C). Weather in September »

Weather in October

October, the same as September, in Diamond, Oregon, is another refreshing autumn month, with an average temperature varying between 56.8°F (13.8°C) and 40.6°F (4.8°C). As October begins, there is a noticeable decrease in the average high-temperature, falling from a pleasant 72.5°F (22.5°C) in September to a refreshing 56.8°F (13.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Diamond, is another chilly month, with an average temperature fluctuating between 31.1°F (-0.5°C) and 44.1°F (6.7°C). As October shifts into November, a slight alteration in temperatures is observed, with average highs reducing from a refreshing 56.8°F (13.8°C) to a frosty 44.1°F (6.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Diamond, Oregon, with an average temperature ranging between min 22.5°F (-5.3°C) and max 33.3°F (0.7°C). With average high and low temperatures of 33.3°F (0.7°C) and 22.5°F (-5.3°C) respectively, December is Diamond's coldest month. Weather in December »

Frequently asked questions

How many days does it rain in Diamond?

In Diamond, during the entire year, the rain falls for 75.2 days and collects up to 5.63" (143mm) of precipitation.

When does it snow?

Months with snowfall are January through May, October through December.

How many days does it snow?

In Diamond, during the entire year, snow falls for 34.8 days and aggregates up to 9.69" (246mm) of snow.

When is the lowest UV index?

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

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.

What is the wettest month?

The wettest months are April and May, with an average 0.67" (17mm) of rainfall.

When it does not snow?

June through September are months without snowfall.

When are the longest days in Diamond?

June has the longest days of the year, with an average of 15h and 18min of daylight.

What month is the hottest?

Diamond witnesses the warmest weather in July, with temperatures averaging a high of 82.9°F (28.3°C) and a low of 58.3°F (14.6°C).

What are the least humid months?

July and August, with an average relative humidity of 33%, are the least humid months.

What is the driest month?

July is the month with the least rainfall. Rain falls for 4 days and accumulates 0.2" (5mm) of precipitation.

What month has the most sunshine?

July has the most sunshine of the year in Diamond, with an average of 12.1h of sunshine.

What is the month with the highest UV index?

With an average maximum UV index of 7, July is the month with the highest UV index.

What are the coldest months?

December is the coldest month, with an average high-temperature of 33.3°F (0.7°C) and an average low-temperature of 22.5°F (-5.3°C).

What is the most humid month?

December is the most humid month, with an average relative humidity of 81%.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 9 days and typically aggregates up to 2.72" (69mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

What is the month with the least sunshine?

With an average of 5.5h of sunshine, December has the least sunshine of the year.

Average temperature
Diamond, OR

Average temperature - Diamond, OR

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (33.3°F).

The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is December (22.5°F).

Average pressure
Diamond, OR

Average pressure - Diamond, OR

The month with the highest atmospheric pressure is January (30.23"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).

Average wind speed
Diamond, OR

Average wind speed - Diamond, OR

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity
Diamond, OR

Average humidity - Diamond, OR

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (33%).

Average rainfall
Diamond, OR

Average rainfall - Diamond, OR

The wettest months (with the highest rainfall) are April and May (0.67").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days
Diamond, OR

Average rainfall days - Diamond, OR

The month with the highest number of rainy days is April (9.6 days).
The month with the least rainy days is July (4 days).

Average snowfall
Diamond, OR

Average snowfall - Diamond, OR

The month with the highest snowfall is December (2.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Diamond, OR

Average snowfall days - Diamond, OR

The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Diamond, OR

Average daylight / Average sunshine - Diamond, OR

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days
Diamond, OR

Average sunshine days - Diamond, OR

The month with the most sunshine days is July (24.3 days).
The month with the least sunshine days is March (17.8 days).

Average UV index
Diamond, OR

Average UV index - Diamond, OR

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average visibility
Diamond, OR

Average visibility - Diamond, OR

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Diamond, Oregon, USA

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