Twin Falls
Idaho, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Twin Falls, ID

A close-up shot of the high water of the Shoshone Falls in Twin Falls, Idaho, falling over the high rock cliffs and flowing into a river below
A close-up shot of the high water of the Shoshone Falls in Twin Falls, Idaho, falling over the high rock cliffs and flowing into a river below
January, like December, in Twin Falls, Idaho, is a wintry winter month, with average temperature fluctuating between 19.2°F (-7.1°C) and 34.9°F (1.6°C). With an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 19.2°F (-7.1°C), January is the coldest month. Weather in January »
February, the last month of the winter, in Twin Falls, is another cold month, with temperature in the range of an average high of 41.4°F (5.2°C) and an average low of 23.4°F (-4.8°C). In Twin Falls, Idaho, the average high-temperature in February slightly increases, from a wintry 34.9°F (1.6°C) in January, to a still cold 41.4°F (5.2°C). Weather in February »

The first month of the spring, March, is a fresh month in Twin Falls, Idaho, with average temperature ranging between max 50.7°F (10.4°C) and min 28.8°F (-1.8°C). In March, the average high-temperature rises, from a wintry 41.4°F (5.2°C) in February, to a cool 50.7°F (10.4°C). Weather in March »

April is a mild spring month in Twin Falls, Idaho, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 33.6°F (0.9°C). In April, the average high-temperature marginally rises, from a fresh 50.7°F (10.4°C) in March, to a moderate 59.5°F (15.3°C). Weather in April »

The last month of the spring, May, is a comfortable month in Twin Falls, Idaho, with average temperature ranging between max 67.6°F (19.8°C) and min 41.2°F (5.1°C). In May, the average high-temperature slightly increases, from a moderate 59.5°F (15.3°C) in April, to a comfortable 67.6°F (19.8°C). Weather in May »

The first month of the summer, June, is a warm month in Twin Falls, Idaho, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 77°F (25°C). In Twin Falls, the average high-temperature rises, from a comfortable 67.6°F (19.8°C) in May, to a moderately hot 77°F (25°C). Weather in June »

July, the same as June, is a moderately hot summer month in Twin Falls, Idaho, with average temperature fluctuating between 52.9°F (11.6°C) and 84.9°F (29.4°C). The warmest month is July, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 52.9°F (11.6°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Twin Falls, Idaho, with average temperature fluctuating between 51.1°F (10.6°C) and 84°F (28.9°C). In Twin Falls, the average high-temperature is essentially the same as in July - a still warm 84°F (28.9°C). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Twin Falls, Idaho, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 74.1°F (23.4°C). In Twin Falls, the average high-temperature in September drops, from 84°F (28.9°C) in August, to a still warm 74.1°F (23.4°C). Weather in September »

October, the same as September, is another comfortable autumn month in Twin Falls, Idaho, with average temperature fluctuating between 34.2°F (1.2°C) and 62.4°F (16.9°C). In Twin Falls, the average high-temperature decreases, from a warm 74.1°F (23.4°C) in September, to an enjoyable 62.4°F (16.9°C). Weather in October »

The last month of the autumn, November, is also a frosty month in Twin Falls, Idaho, with average temperature ranging between min 26.4°F (-3.1°C) and max 46.2°F (7.9°C). In Twin Falls, the average high-temperature plummets, from a comfortable 62.4°F (16.9°C) in October, to a chilly 46.2°F (7.9°C). Weather in November »

December, the first month of the winter, in Twin Falls, is still a cold month, with average temperature ranging between min 19.2°F (-7.1°C) and max 36.3°F (2.4°C). In December, the average high-temperature drops, from a frosty 46.2°F (7.9°C) in November, to a cold 36.3°F (2.4°C). Weather in December »

What is the coldest month in Twin Falls?

January is the coldest month, with an average high-temperature of 34.9°F (1.6°C) and an average low-temperature of 19.2°F (-7.1°C).

How much does it rain in Twin Falls?

Throughout the year, in Twin Falls, Idaho, there are 88.2 rainfall days, and 11" (279.1mm) of precipitation is accumulated.

When does it snow in Twin Falls?

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

How much does it snow in Twin Falls?

Throughout the year, there are 26 snowfall days, and 29.5" (749.3mm) of snow is accumulated.

When does it snow the most in Twin Falls?

The month with the most snowfall in Twin Falls, Idaho, is January when snow falls for 6.8 days and typically aggregates up to 7.4" (188mm) of snow.

What is the month with the least sunshine in Twin Falls?

Months with the least sunshine are January and December, with an average of 4h of sunshine.

What is the wettest month in Twin Falls?

The month with the most rainfall is May when the rain falls for 9 days and typically aggregates up to 1.4" (35.6mm) of precipitation.

When are the longest days in Twin Falls?

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

What are the months with the highest UV index in Twin Falls?

June and July, with an average maximum UV index of 9, are months with the highest UV index.

What is the warmest month in Twin Falls?

With an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 52.9°F (11.6°C), July is the warmest month.

What is the driest month in Twin Falls?

July is the month with the least rainfall. Rain falls for 3.3 days and accumulates 0.3" (6.9mm) of precipitation.

What month has the most sunshine in Twin Falls?

With an average of 13h of sunshine, July has the most sunshine of the year in Twin Falls, Idaho.

What is the month with the shortest days in Twin Falls?

The month with the shortest days is December, with an average of 9.1h of daylight.

When is the lowest UV index in Twin Falls?

With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature - Twin Falls, ID
Average rainfall - Twin Falls, ID
Average rainfall days - Twin Falls, ID

The month with the highest number of rainy days is January (10.2 days).
The month with the lowest number of rainy days is July (3.3 days).

Average snowfall days - Twin Falls, ID

The month with the highest number of snowfall days is January (6.8 days).
Months with the lowest number of snowfall days are July and August (0 days).

Average daylight / Average sunshine - Twin Falls, ID