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

Monthly weather forecast and climate
Winchester, ID

January, the same as December, is another cold winter month in W"ter, Idaho, with temperature in the range of an average high of 34.9°F (1.6°C) and an average low of 22.5°F (-5.3°C). In January, the average high-temperature is essentially the same as in December - a still cold 34.9°F (1.6°C). Weather in January »

February, the last month of the winter, in W"ter, is another cold month, with temperature in the range of an average low of 24.6°F (-4.1°C) and an average high of 36.9°F (2.7°C). In February, the average high-temperature is essentially the same as in January - a still wintry 36.9°F (2.7°C). Weather in February »

March, the first month of the spring, in W"ter, is a chilly month, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 29.5°F (-1.4°C). In March, the average high-temperature marginally rises, from a cold 36.9°F (2.7°C) in February, to a frosty 44.2°F (6.8°C). Weather in March »

April in W"ter, Idaho, is a cool spring month, with average temperature varying between 33.3°F (0.7°C) and 52°F (11.1°C). In W"ter, the average high-temperature marginally rises, from a chilly 44.2°F (6.8°C) in March, to a fresh 52°F (11.1°C). Weather in April »

May, the last month of the spring, in W"ter, is a comfortable month, with average temperature ranging between max 61.9°F (16.6°C) and min 38.8°F (3.8°C). In May, the average high-temperature rises, from a cool 52°F (11.1°C) in April, to a comfortable 61.9°F (16.6°C). Weather in May »

June, the first month of the summer, in W"ter, is an agreeable month, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 44.4°F (6.9°C). In June, the average high-temperature marginally rises, from an enjoyable 61.9°F (16.6°C) in May, to an agreeable 68.5°F (20.3°C). Weather in June »

July in W"ter, Idaho, is a moderately hot summer month, with average temperature fluctuating between 52°F (11.1°C) and 80.8°F (27.1°C). In W"ter, Idaho, the average high-temperature increases, from an agreeable 68.5°F (20.3°C) in June, to a warm 80.8°F (27.1°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in W"ter, Idaho, with average temperature fluctuating between 54.7°F (12.6°C) and 82°F (27.8°C). August is the warmest month, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 54.7°F (12.6°C). In August, the average heat index is estimated at 82°F (27.8°C). Weather in August »

The first month of the autumn, September, is also an agreeable month in W"ter, Idaho, with average temperature ranging between max 72.7°F (22.6°C) and min 48.9°F (9.4°C). In September, the average high-temperature drops, from a warm 82°F (27.8°C) in August, to a pleasant 72.7°F (22.6°C). Weather in September »

October, like September, is another mild autumn month in W"ter, Idaho, with average temperature ranging between max 55.8°F (13.2°C) and min 37.9°F (3.3°C). In October, the average high-temperature significantly decreases, from an agreeable 72.7°F (22.6°C) in September, to a moderate 55.8°F (13.2°C). Weather in October »

The last month of the autumn, November, is also a wintry month in W"ter, Idaho, with average temperature fluctuating between 28.6°F (-1.9°C) and 42.6°F (5.9°C). In W"ter, Idaho, the average high-temperature drops, from a moderate 55.8°F (13.2°C) in October, to a wintry 42.6°F (5.9°C). Weather in November »

December, the first month of the winter, in W"ter, is still a cold month, with average temperature varying between 20.7°F (-6.3°C) and 32.5°F (0.3°C). The coldest month is December, with an average high-temperature of 32.5°F (0.3°C) and an average low-temperature of 20.7°F (-6.3°C). Weather in December »

What is the most humid month in W"ter?

The most humid month is January, with an average relative humidity of 90%.

How many days does it rain in W"ter?

Throughout the year, there are 133.5 rainfall days, and 28.9" (734mm) of precipitation is accumulated.

When does it snow in W"ter?

January through June, September through December are months with snowfall in W"ter.

How much does it snow in W"ter?

Throughout the year, there are 112.2 snowfall days, and 105.79" (2687mm) of snow is accumulated.

When does it snow the most in W"ter?

February is the month with the most snowfall in W"ter. Snow falls for 19 days and accumulates 23.11" (587mm) of snow.

What is the month with the lowest UV index in W"ter?

Months with the lowest UV index are February and December, with an average maximum UV index of 1.

What is the rainiest month in W"ter?

The month with the most rainfall is April when the rain falls for 17.8 days and typically aggregates up to 3.58" (91mm) of precipitation.

When are the longest days in W"ter?

With an average of 15.7h of daylight, June has the longest days of the year.

What is the driest month in W"ter?

July is the month with the least rainfall. Rain falls for 7.8 days and accumulates 0.63" (16mm) of precipitation.

When it does not snow in W"ter?

July and August are months without snowfall in W"ter.

When is the highest UV index in W"ter?

July is the month with the highest UV index in W"ter, with an average maximum UV index of 6.

What is the warmest month in W"ter?

August is the warmest month in W"ter, with an average high-temperature of 82°F (27.8°C) and an average low-temperature of 54.7°F (12.6°C).

What is the least humid month in W"ter?

With an average relative humidity of 44%, August is the least humid month.

What month has the most sunshine in W"ter?

The month with the most sunshine in W"ter, Idaho, is August, with an average of 11.9h of sunshine.

What is the coldest month in W"ter?

With an average high-temperature of 32.5°F (0.3°C) and an average low-temperature of 20.7°F (-6.3°C), December is the coldest month.

What is the month with the shortest days in W"ter?

December has the shortest days of the year in W"ter, Idaho, with an average of 8.7h of daylight.

What is the month with the least sunshine in W"ter?

The month with the least sunshine is December, with an average of 4.2h of sunshine.
Average temperature - Winchester, ID
Average rainfall - Winchester, ID
Average rainfall days - Winchester, ID

The month with the highest number of rainy days is April (17.8 days).
The month with the lowest number of rainy days is January (6 days).

Average snowfall - Winchester, ID
Average snowfall days - Winchester, ID

The month with the highest number of snowfall days is December (19.9 days).
Months with the lowest number of snowfall days are July and August (0 days).

Average daylight / Average sunshine - Winchester, 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 December (Average sunshine: 4.2h).