Grangeville
Idaho, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Grangeville, ID

January, like December, in Grangeville, Idaho, is a wintry winter month, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 35.6°F (2°C). In January, the average high-temperature is essentially the same as in December - a still wintry 35.6°F (2°C). Weather in January »

February, the last month of the winter, in Grangeville, is also a wintry month, with average temperature ranging between min 25°F (-3.9°C) and max 37.6°F (3.1°C). In February, the average high-temperature is relatively the same as in January - a still wintry 37.6°F (3.1°C). Weather in February »

March, the first month of the spring, in Grangeville, is a frosty month, with average temperature fluctuating between 44.6°F (7°C) and 29.7°F (-1.3°C). In Grangeville, the average high-temperature slightly increases, from a wintry 37.6°F (3.1°C) in February, to a chilly 44.6°F (7°C). Weather in March »

April is a cool spring month in Grangeville, Idaho, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 33.1°F (0.6°C). In April, the average high-temperature marginally rises, from a chilly 44.6°F (7°C) in March, to a fresh 52.3°F (11.3°C). Weather in April »

The last month of the spring, May, is an enjoyable month in Grangeville, Idaho, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 62.6°F (17°C). In May, the average high-temperature rises, from a cool 52.3°F (11.3°C) in April, to a comfortable 62.6°F (17°C). Weather in May »

The first month of the summer, June, is a pleasant month in Grangeville, Idaho, with average temperature varying between 44.2°F (6.8°C) and 69.4°F (20.8°C). In Grangeville, the average high-temperature marginally rises, from an enjoyable 62.6°F (17°C) in May, to an agreeable 69.4°F (20.8°C). Weather in June »

July is a warm summer month in Grangeville, Idaho, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 51.3°F (10.7°C). In July, the average high-temperature rises, from an agreeable 69.4°F (20.8°C) in June, to a moderately hot 81.7°F (27.6°C). Weather in July »

August, the last month of the summer, in Grangeville, is another warm month, with average temperature fluctuating between 53.2°F (11.8°C) and 82.6°F (28.1°C). The warmest month is August, with an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 53.2°F (11.8°C). In August, the average heat index is calculated to 82.9°F (28.3°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Grangeville, Idaho, with average temperature fluctuating between 47.3°F (8.5°C) and 72.7°F (22.6°C). In September, the average high-temperature decreases, from a warm 82.6°F (28.1°C) in August, to a pleasant 72.7°F (22.6°C). Weather in September »

October, like September, is another mild autumn month in Grangeville, Idaho, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 56.5°F (13.6°C). In October, the average high-temperature plummets, from an agreeable 72.7°F (22.6°C) in September, to a mild 56.5°F (13.6°C). Weather in October »

November, the last month of the autumn, in Grangeville, is also a frosty month, with average temperature fluctuating between 43.3°F (6.3°C) and 29.1°F (-1.6°C). In November, the average high-temperature drops, from a moderate 56.5°F (13.6°C) in October, to a chilly 43.3°F (6.3°C). Weather in November »

The first month of the winter, December, is also a wintry month in Grangeville, Idaho, with average temperature fluctuating between 21.7°F (-5.7°C) and 33.6°F (0.9°C). With an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 21.7°F (-5.7°C), December is the coldest month. Weather in December »

What is the most humid month in Grangeville?

January is the most humid month in Grangeville, Idaho, with an average relative humidity of 88%.

How many days does it rain in Grangeville?

Throughout the year, in Grangeville, there are 146.2 rainfall days, and 23.35" (593mm) of precipitation is accumulated.

When does it snow in Grangeville?

January through May, September through December are months with snowfall in Grangeville, Idaho.

How much does it snow in Grangeville?

In Grangeville, during the entire year, snow falls for 80.3 days, and aggregates up to 60.47" (1536mm) of snow.

What is the month with the least sunshine in Grangeville?

With an average of 4.8h of sunshine, January has the least sunshine of the year.

When does it snow the most in Grangeville?

February is the month with the most snowfall. Snow falls for 15.3 days and accumulates 12.95" (329mm) of snow.

When is the lowest UV index in Grangeville?

The month with the lowest UV index in Grangeville is February, with an average maximum UV index of 1.

What is the wettest month in Grangeville?

April is the month with the most rainfall. Rain falls for 19.3 days and accumulates 2.91" (74mm) of precipitation.

When it does not snow in Grangeville?

In Grangeville snow does not fall in June through August.

When are the longest days in Grangeville?

The month with the longest days in Grangeville, Idaho, is June, with an average of 15.7h of daylight.

What is the driest month in Grangeville?

July is the month with the least rainfall. Rain falls for 7.3 days and accumulates 0.59" (15mm) of precipitation.

When is the highest UV index in Grangeville?

The month with the highest UV index is July, with an average maximum UV index of 6.

What is the warmest month in Grangeville?

With an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 53.2°F (11.8°C), August is the warmest month.

What is the least humid month in Grangeville?

With an average relative humidity of 47%, August is the least humid month.

What month has the most sunshine in Grangeville?

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

What is the coldest month in Grangeville?

With an average high-temperature of 33.6°F (0.9°C) and an average low-temperature of 21.7°F (-5.7°C), December is the coldest month in Grangeville, Idaho.

What is the month with the shortest days in Grangeville?

December has the shortest days of the year in Grangeville, with an average of 8.7h of daylight.
Average temperature - Grangeville, ID
Average rainfall - Grangeville, ID
Average rainfall days - Grangeville, ID

The month with the highest number of rainy days is April (19.3 days).
The month with the lowest number of rainy days is August (6.8 days).

Average snowfall - Grangeville, ID
Average snowfall days - Grangeville, ID

The month with the highest number of snowfall days is December (16.9 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Grangeville, ID

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

The month with most sunshine is August (Average sunshine: 11.9h).
The month with least sunshine is January (Average sunshine: 4.8h).