Monthly weather forecast and climate
Grangeville, ID

January is the coldest month, with an average high-temperature of 36.7°F (2.6°C) and an average low-temperature of 21.4°F (-5.9°C). In Grangeville, during 11 rainfall days, 1.6" (40.4mm) of precipitation is typically accumulated.
Weather in January »
In Grangeville, in February, the average high-temperature is 41.4°F (5.2°C), and the average low-temperature is 24.3°F (-4.3°C). In February, the rain falls for 9 days.
Weather in February »
In March, the average high-temperature is 47.7°F (8.7°C), and the average low-temperature is 28°F (-2.2°C). In Grangeville, during March, the rain falls for 12 days and regularly aggregates up to 2.3" (57.7mm) of precipitation.
Weather in March »
In Grangeville, the average high-temperature is 55.8°F (13.2°C), and the average low-temperature is 33.4°F (0.8°C). In April, in Grangeville, the rain falls for 12 days.
Weather in April »
In May, the average high-temperature is 63.7°F (17.6°C), and the average low-temperature is 39.9°F (4.4°C). May is the month with the most rainfall.
Weather in May »
In June, the average high-temperature is 70.7°F (21.5°C), and the average low-temperature is 45.9°F (7.7°C). In June, in Grangeville, the rain falls for 11 days.
Weather in June »
July and August, with an average high-temperature of 82°F (27.8°C), are warmest months. In Grangeville, it is raining for 5 days, with typically 1.1" (26.9mm) of accumulated precipitation.
Weather in July »
Warmest months are July and August, with an average high-temperature of 82°F (27.8°C). The month with the least rainfall is August when the rain falls for 5 days and typically collects 1" (25.9mm) of precipitation.
Weather in August »
The average high-temperature, is 71.8°F (22.1°C), while the average low-temperature is 43°F (6.1°C). In Grangeville, during September, the rain falls for 7 days and regularly aggregates up to 1.7" (43.2mm) of precipitation.
Weather in September »
In Grangeville, in October, the average high-temperature is 58.8°F (14.9°C), and the average low-temperature is 35.6°F (2°C). In Grangeville, during October, the rain falls for 9 days and regularly aggregates up to 2.1" (52.6mm) of precipitation.
Weather in October »
In Grangeville, the average high-temperature is 45°F (7.2°C), and the average low-temperature is 28°F (-2.2°C). In November, the rain falls for 11 days.
Weather in November »
In December, the average high-temperature is 37.9°F (3.3°C), and the average low-temperature is 23°F (-5°C). In Grangeville, Idaho, in December, it is raining for 11 days, with typically 1.6" (40.6mm) of accumulated precipitation.
Weather in December »

What is the coldest month in Grangeville?

With an average high-temperature of 36.7°F (2.6°C) and an average low-temperature of 21.4°F (-5.9°C), January is the coldest month.

How many days does it rain in Grangeville?

In Grangeville, Idaho, during the entire year, the rain falls for 115 days and collects up to 23.5" (596.6mm) of precipitation.

When does it snow in Grangeville?

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

How much does it snow in Grangeville?

Throughout the year, in Grangeville, 52.6" (1336mm) of snow is accumulated.

What is the snowiest month in Grangeville?

Months with the most snowfall in Grangeville are January and December, with an average 11.2" (284.5mm) of accumulated snow.

What is the rainiest month in Grangeville?

The month with the most rainfall in Grangeville, Idaho, is May when the rain falls for 12 days and typically aggregates up to 3.3" (83.8mm) of precipitation.

When are the longest days in Grangeville?

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

What are the warmest months in Grangeville?

Warmest months in Grangeville, Idaho, are July and August, with an average high-temperature of 82°F (27.8°C).

What is the driest month in Grangeville?

The month with the least rainfall in Grangeville is August when the rain falls for 5 days and typically collects 1" (25.9mm) of precipitation.

What is the month with the shortest days in Grangeville?

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

Months with the highest number of rainy days are March, April and May (12 days).
Months with the lowest number of rainy days are July and August (5 days).

Average snowfall - Grangeville, ID
Average daylight - 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).

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