Prospect
Oregon, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Prospect, OR

January, the same as December, in Prospect, Oregon, is another chilly winter month, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 44.6°F (7°C). In Prospect, the average high-temperature is essentially the same as in December - a still frosty 44.6°F (7°C). Weather in January »

The last month of the winter, February, is another chilly month in Prospect, Oregon, with average temperature fluctuating between 45.1°F (7.3°C) and 30.2°F (-1°C). In Prospect, the average high-temperature in February is practically the same as in January - a still frosty 45.1°F (7.3°C). Weather in February »

The first month of the spring, March, is also a frosty month in Prospect, Oregon, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 48.7°F (9.3°C). In Prospect, the average high-temperature is essentially the same as in February - a still chilly 48.7°F (9.3°C). Weather in March »

April is a cool spring month in Prospect, Oregon, with temperature in the range of an average low of 33.8°F (1°C) and an average high of 54.3°F (12.4°C). In April, the average high-temperature marginally rises, from a chilly 48.7°F (9.3°C) in March, to a cool 54.3°F (12.4°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Prospect, Oregon, with average temperature varying between 38.1°F (3.4°C) and 63.1°F (17.3°C). In May, the average high-temperature marginally rises, from a cool 54.3°F (12.4°C) in April, to a comfortable 63.1°F (17.3°C). Weather in May »

The first month of the summer, June, is a pleasant month in Prospect, Oregon, with average temperature fluctuating between 42.4°F (5.8°C) and 70.3°F (21.3°C). In Prospect, the average high-temperature in June slightly increases, from an enjoyable 63.1°F (17.3°C) in May, to a pleasant 70.3°F (21.3°C). Weather in June »

July in Prospect, Oregon, is a moderately hot summer month, with average temperature fluctuating between 47.8°F (8.8°C) and 81°F (27.2°C). In July, the average high-temperature rises, from a pleasant 70.3°F (21.3°C) in June, to a moderately hot 81°F (27.2°C). Weather in July »

August, the last month of the summer, in Prospect, is another warm month, with average temperature ranging between max 82°F (27.8°C) and min 48.6°F (9.2°C). The warmest month is August, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 48.6°F (9.2°C). In August, the average heat index is estimated at 84.6°F (29.2°C). Weather in August »

September, the first month of the autumn, in Prospect, is still a warm month, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 74.5°F (23.6°C). In September, the average high-temperature marginally drops, from 82°F (27.8°C) in August, to a still moderately hot 74.5°F (23.6°C). Weather in September »

October, the same as September, is another enjoyable autumn month in Prospect, Oregon, with average temperature ranging between min 38.8°F (3.8°C) and max 62.1°F (16.7°C). In Prospect, the average high-temperature in October decreases, from a warm 74.5°F (23.6°C) in September, to an enjoyable 62.1°F (16.7°C). Weather in October »

The last month of the autumn, November, is another cool month in Prospect, Oregon, with average temperature ranging between min 33.6°F (0.9°C) and max 50.7°F (10.4°C). In Prospect, the average high-temperature drops, from an enjoyable 62.1°F (16.7°C) in October, to a cool 50.7°F (10.4°C). Weather in November »

The first month of the winter, December, is still a chilly month in Prospect, Oregon, with average temperature ranging between min 28.6°F (-1.9°C) and max 42.8°F (6°C). With an average high-temperature of 42.8°F (6°C) and an average low-temperature of 28.6°F (-1.9°C), December is the coldest month. Weather in December »

What is the most humid month in Prospect?

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

How many days does it rain in Prospect?

In Prospect, Oregon, during the entire year, the rain falls for 140 days and collects up to 23.78" (604mm) of precipitation.

When does it snow in Prospect?

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

How many days does it snow in Prospect?

In Prospect, Oregon, during the entire year, snow falls for 25 days, and aggregates up to 21.77" (553mm) of snow.

When is the lowest UV index in Prospect?

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

When does it snow the most in Prospect?

The month with the most snowfall in Prospect is February when snow falls for 6.2 days and typically aggregates up to 6.77" (172mm) of snow.

When it does not snow in Prospect?

In Prospect, Oregon, snow does not fall in June through October.

When are the longest days in Prospect?

The month with the longest days in Prospect, Oregon, is June, with an average of 15.3h of daylight.

What is the driest month in Prospect?

July is the month with the least rainfall. Rain falls for 3.8 days and accumulates 0.24" (6mm) of precipitation.

What month has the most sunshine in Prospect?

July has the most sunshine of the year, with an average of 11.9h of sunshine.

When is the highest UV index in Prospect?

With an average maximum UV index of 6, July is the month with the highest UV index in Prospect.

What is the warmest month in Prospect?

August is the warmest month, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 48.6°F (9.2°C).

What is the least humid month in Prospect?

August is the least humid month in Prospect, Oregon, with an average relative humidity of 60%.

What is the coldest month in Prospect?

With an average high-temperature of 42.8°F (6°C) and an average low-temperature of 28.6°F (-1.9°C), December is the coldest month.

What is the rainiest month in Prospect?

The month with the most rainfall is December when the rain falls for 15.3 days and typically aggregates up to 3.82" (97mm) of precipitation.

What is the month with the shortest days in Prospect?

With an average of 9.1h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Prospect?

December has the least sunshine of the year in Prospect, with an average of 5h of sunshine.
Average temperature - Prospect, OR
Average rainfall - Prospect, OR

The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the lowest rainfall) is July (0.24").

Average rainfall days - Prospect, OR

The month with the highest number of rainy days is March (18.3 days).
The month with the lowest number of rainy days is July (3.8 days).

Average snowfall - Prospect, OR

The month with the highest snowfall is February (6.77").
Months with the lowest snowfall are June, July, August, September and October (0").

Average snowfall days - Prospect, OR

The month with the highest number of snowfall days is February (6.2 days).
Months with the lowest number of snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine - Prospect, OR
Average UV index - Prospect, OR