Monthly weather forecast and climate
Prospect, OR

The coldest months are January and December, with an average high-temperature of 45.9°F (7.7°C). In January, the rain falls for 16 days.
Weather in January »
In Prospect, in February, the average high-temperature is 50.9°F (10.5°C), and the average low-temperature is 28.9°F (-1.7°C). In Prospect, in February, it is raining for 15 days, with typically 4.7" (118.6mm) of accumulated precipitation.
Weather in February »
The average high-temperature, is 55.8°F (13.2°C), while the average low-temperature is 30.4°F (-0.9°C). In March, in Prospect, the rain falls for 16 days.
Weather in March »
In April, the average high-temperature is 61.9°F (16.6°C), and the average low-temperature is 33.3°F (0.7°C). In Prospect, during April, the rain falls for 13 days and regularly aggregates up to 3.1" (78mm) of precipitation.
Weather in April »
In Prospect, the average high-temperature is 69.6°F (20.9°C), and the average low-temperature is 38.1°F (3.4°C). In Prospect, during May, the rain falls for 10 days and regularly aggregates up to 2.5" (63.2mm) of precipitation.
Weather in May »
The average high-temperature, in June, is 76.6°F (24.8°C), while the average low-temperature is 43.2°F (6.2°C). In Prospect, it is raining for 6 days, with typically 1.4" (36.3mm) of accumulated precipitation.
Weather in June »
With an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 47.3°F (8.5°C), July is the warmest month in Prospect. July is the month with the least rainfall in Prospect.
Weather in July »
In August, the average high-temperature is 86.4°F (30.2°C), and the average low-temperature is 45.9°F (7.7°C). In Prospect, it is raining for 2 days, with typically 0.6" (14.5mm) of accumulated precipitation.
Weather in August »
The average high-temperature, in September, is 79.9°F (26.6°C), while the average low-temperature is 41.2°F (5.1°C). In Prospect, in September, during 5 rainfall days, 1.3" (33.3mm) of precipitation is typically accumulated.
Weather in September »
The average high-temperature, is 68°F (20°C), while the average low-temperature is 35.8°F (2.1°C). In Prospect, in October, it is raining for 9 days, with typically 3.3" (83.8mm) of accumulated precipitation.
Weather in October »
In Prospect, the average high-temperature is 53.2°F (11.8°C), and the average low-temperature is 31.6°F (-0.2°C). In November, the rain falls for 15 days.
Weather in November »
The coldest months in Prospect are January and December, with an average high-temperature of 45.9°F (7.7°C). The month with the most rainfall is December when the rain falls for 16 days and typically aggregates up to 6.7" (169.9mm) of precipitation.
Weather in December »

What are the coldest months in Prospect?

January and December, with an average high-temperature of 45.9°F (7.7°C), are the coldest months in Prospect, Oregon.

How much does it rain in Prospect?

Throughout the year, in Prospect, there are 125 rainfall days, and 40.8" (1036.4mm) of precipitation is accumulated.

When does it snow in Prospect?

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

How much does it snow in Prospect?

In Prospect, during the entire year, snow aggregates up to 53.3" (1353.8mm).

When does it snow the most in Prospect?

The month with the most snowfall is January when 17.2" (436.9mm) of snow is typically aggregated.

When are the longest days in Prospect?

With an average of 15.3h of daylight, June has the longest days of the year.

What is the warmest month in Prospect?

The warmest month is July, with an average high-temperature of 86.5°F (30.3°C) and an average low-temperature of 47.3°F (8.5°C).

What is the driest month in Prospect?

July is the month with the least rainfall in Prospect, Oregon. Rain falls for 2 days and accumulates 0.4" (11.4mm) of precipitation.

What is the rainiest month in Prospect?

December is the month with the most rainfall in Prospect, Oregon. Rain falls for 16 days and accumulates 6.7" (169.9mm) of precipitation.

What is the month with the shortest days in Prospect?

The month with the shortest days is December, with an average of 9.1h of daylight.
Average temperature - Prospect, OR
Average rainfall - Prospect, OR
Average rainfall days - Prospect, OR

Months with the highest number of rainy days are January, March and December (16 days).
Months with the lowest number of rainy days are July and August (2 days).

Average snowfall - Prospect, OR
Average daylight - Prospect, OR
deutscheenglishespañolрусский中文