Climate and monthly weather forecast
Salmon, ID

Bright yellow trees along the shores of the iconic Salmon River in Salmon, Idaho
Bright yellow trees along the shores of the iconic Salmon River in Salmon, Idaho

Weather in January

January, like December, is a freezing cold winter month in Salmon, Idaho, with an average temperature varying between 27.3°F (-2.6°C) and 9.5°F (-12.5°C). In January, the average high-temperature is essentially the same as in December - a still subzero cold 27.3°F (-2.6°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Salmon, Idaho, with an average temperature ranging between min 10.8°F (-11.8°C) and max 27.9°F (-2.3°C). In February, the average high-temperature is essentially the same as in January - a still subzero cold 27.9°F (-2.3°C). Weather in February »

Weather in March

March, the first month of the spring in Salmon, is a wintry month, with an average temperature varying between 17.8°F (-7.9°C) and 34°F (1.1°C). In March, the average high-temperature slightly increases from a freezing cold 27.9°F (-2.3°C) in February to a wintry 34°F (1.1°C). Weather in March »

Weather in April

April, like March, in Salmon, Idaho, is a wintry spring month, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 25°F (-3.9°C). In April, the average high-temperature slightly increases from 34°F (1.1°C) in March to a still wintry 41.9°F (5.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a fresh month in Salmon, Idaho, with an average temperature ranging between max 54.1°F (12.3°C) and min 33.8°F (1°C). In Salmon, the average high-temperature in May increases from a cold 41.9°F (5.5°C) in April to a cool 54.1°F (12.3°C). Weather in May »

Weather in June

June, the first month of the summer in Salmon, is an enjoyable month, with an average temperature varying between 39.9°F (4.4°C) and 64.4°F (18°C). In Salmon, the average high-temperature in June rises from a fresh 54.1°F (12.3°C) in May to an enjoyable 64.4°F (18°C). Weather in June »

Weather in July

July in Salmon, Idaho, is a moderately hot summer month, with an average temperature varying between 75.7°F (24.3°C) and 47.3°F (8.5°C). The warmest month is July, with an average high-temperature of 75.7°F (24.3°C) and an average low-temperature of 47.3°F (8.5°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Salmon, Idaho, with an average temperature fluctuating between 47.5°F (8.6°C) and 74.7°F (23.7°C). In August, the average high-temperature is almost the same as in July - a still warm 74.7°F (23.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Salmon, is also an enjoyable month, with temperature in the range of an average high of 65.3°F (18.5°C) and an average low of 40.6°F (4.8°C). In September, the average high-temperature drops from a warm 74.7°F (23.7°C) in August to a comfortable 65.3°F (18.5°C). Weather in September »

Weather in October

October, like September, is another chilly autumn month in Salmon, Idaho, with an average temperature fluctuating between 48.7°F (9.3°C) and 30.4°F (-0.9°C). In Salmon, the average high-temperature in October declines considerably from a comfortable 65.3°F (18.5°C) in September to a chilly 48.7°F (9.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Salmon, is also a wintry month, with an average temperature varying between 19.2°F (-7.1°C) and 35.2°F (1.8°C). In November, the average high-temperature drops from a frosty 48.7°F (9.3°C) in October to a cold 35.2°F (1.8°C). Weather in November »

Weather in December

December, the first month of the winter in Salmon, is also a subzero cold month, with an average temperature varying between 9.5°F (-12.5°C) and 25.2°F (-3.8°C). December is the coldest month, with an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 9.5°F (-12.5°C). Weather in December »
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FAQ

How many days does it rain in Salmon?

In Salmon, during the entire year, the rain falls for 129.5 days and collects up to 12.4" (315mm) of precipitation.

When does it snow in Salmon?

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

How many days does it snow in Salmon?

In Salmon, Idaho, during the entire year, snow falls for 63.5 days and aggregates up to 22.76" (578mm) of snow.

What is the month with the least sunshine in Salmon?

With an average of 5.1h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index in Salmon?

The months with the lowest UV index in Salmon, Idaho, are January, February and December, with an average maximum UV index of 1.

What is the most humid month in Salmon?

The most humid month in Salmon is February, with an average relative humidity of 89%.

What is the snowiest month in Salmon?

The month with the most snowfall is February, when snow falls for 12.3 days and typically aggregates up to 5" (127mm) of snow.

When is Daylight Saving Time (DST) in Salmon?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Salmon, Idaho, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from MDT to MST.

What is the rainiest month in Salmon?

June is the month with the most rainfall in Salmon, Idaho. Rain falls for 14.9 days and accumulates 2.05" (52mm) of precipitation.

When it does not snow in Salmon?

June through August are months without snowfall.

When are the longest days in Salmon?

June has the longest days of the year, with an average of 15h and 35min of daylight.

What is the warmest month in Salmon?

With an average high-temperature of 75.7°F (24.3°C) and an average low-temperature of 47.3°F (8.5°C), July is the warmest month in Salmon, Idaho.

What is the driest month in Salmon?

The months with the least rainfall are July and August Rain falls for 7.8 days and accumulates 0.51" (13mm) of rain.

What month has the most sunshine in Salmon?

The month with the most sunshine is July, with an average of 11.8h of sunshine.

When is the highest UV index in Salmon?

With an average maximum UV index of 5, July is the month with the highest UV index.

What is the least humid month in Salmon?

The least humid month in Salmon is August, with an average relative humidity of 43%.

What is the coldest month in Salmon?

The coldest month in Salmon is December, with an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 9.5°F (-12.5°C).

What is the month with the shortest days in Salmon?

With an average of 8h and 49min of daylight, December has the shortest days of the year in Salmon, Idaho.

Average temperature
Salmon, ID

Average temperature - Salmon, ID

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.2°F).

The month with the highest average low temperature is August (47.5°F).
The coldest months (with the lowest average low temperature) are January and December (9.5°F).

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Average pressure
Salmon, ID

Average pressure - Salmon, ID

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Salmon, ID

Average wind speed - Salmon, ID

The windiest months (with the highest average wind speed) are March and April (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average rainfall
Salmon, ID

Average rainfall - Salmon, ID

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are July and August (0.51").

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Average rainfall days
Salmon, ID

Average rainfall days - Salmon, ID

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall
Salmon, ID

Average snowfall - Salmon, ID

The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Salmon, ID

Average snowfall days - Salmon, ID

The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Salmon, ID

Average daylight / Average sunshine - Salmon, ID

The month with the longest days is June (Average daylight: 15h and 35min).
The month with the shortest days is December (Average daylight: 8h and 49min).

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days
Salmon, ID

Average sunshine days - Salmon, ID

The month with the most sunshine days is July (19.4 days).
The month with the least sunshine days is April (7.7 days).

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Average visibility
Salmon, ID

Average visibility - Salmon, ID

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

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