Climate and monthly weather forecast
Riggins, ID

The scenic Snake River between large mountains, with pitched tents and visible footpaths in the mountains near Riggins, Idaho
The scenic Snake River between large mountains, with pitched tents and visible footpaths in the mountains near Riggins, Idaho

Weather in January

January, like December, is another subzero cold winter month in Riggins, Idaho, with an average temperature ranging between min 12°F (-11.1°C) and max 27.1°F (-2.7°C). In Riggins, the average high-temperature in January is essentially the same as in December - a still subzero cold 27.1°F (-2.7°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Riggins, Idaho, with temperature in the range of an average low of 14.4°F (-9.8°C) and an average high of 27.9°F (-2.3°C). In Riggins, Idaho, the average high-temperature in February is almost the same as in January - a still subzero cold 27.9°F (-2.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Riggins, Idaho, with an average temperature fluctuating between 18.9°F (-7.3°C) and 33.4°F (0.8°C). In March, the average high-temperature slightly increases from a subzero cold 27.9°F (-2.3°C) in February to a cold 33.4°F (0.8°C). Weather in March »

Weather in April

April, the same as March, is another cold spring month in Riggins, Idaho, with an average temperature varying between 41.7°F (5.4°C) and 23.4°F (-4.8°C). In Riggins, Idaho, the average high-temperature in April slightly increases from a cold 33.4°F (0.8°C) in March to a still wintry 41.7°F (5.4°C). Weather in April »

Weather in May

May, the last month of the spring in Riggins, is a fresh month, with an average temperature varying between 53.6°F (12°C) and 31.6°F (-0.2°C). In May, the average high-temperature increases from a wintry 41.7°F (5.4°C) in April to a cool 53.6°F (12°C). Weather in May »

Weather in June

The first month of the summer, June, is an enjoyable month in Riggins, Idaho, with an average temperature ranging between min 37.9°F (3.3°C) and max 63.1°F (17.3°C). In June, the average high-temperature rises from a fresh 53.6°F (12°C) in May to a comfortable 63.1°F (17.3°C). Weather in June »

Weather in July

July in Riggins, Idaho, is a warm summer month, with an average temperature fluctuating between 45.1°F (7.3°C) and 75.7°F (24.3°C). July and August, with an average high-temperature of 75.7°F (24.3°C), are the warmest months. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Riggins, Idaho, with an average temperature varying between 75.7°F (24.3°C) and 45.7°F (7.6°C). July and August, with an average high-temperature of 75.7°F (24.3°C), are the warmest months. Weather in August »

Weather in September

September, the first month of the autumn in Riggins, is also an enjoyable month, with an average temperature fluctuating between 39.7°F (4.3°C) and 65.7°F (18.7°C). In September, the average high-temperature drops from a moderately hot 75.7°F (24.3°C) in August to a comfortable 65.7°F (18.7°C). Weather in September »

Weather in October

October, like September, is another chilly autumn month in Riggins, Idaho, with temperature in the range of an average high of 48.2°F (9°C) and an average low of 29.3°F (-1.5°C). In October, the average high-temperature plummets from a comfortable 65.7°F (18.7°C) in September to a frosty 48.2°F (9°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Riggins, Idaho, with an average temperature varying between 34.3°F (1.3°C) and 20.3°F (-6.5°C). In Riggins, Idaho, the average high-temperature in November drops from a frosty 48.2°F (9°C) in October to a cold 34.3°F (1.3°C). Weather in November »

Weather in December

December, the first month of the winter in Riggins, is still a freezing cold month, with an average temperature fluctuating between 12.7°F (-10.7°C) and 25.3°F (-3.7°C). December is the coldest month, with an average high-temperature of 25.3°F (-3.7°C) and an average low-temperature of 12.7°F (-10.7°C). Weather in December »
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FAQ

How many days does it rain in Riggins?

In Riggins, Idaho, during the entire year, the rain falls for 81 days and collects up to 32.68" (830mm) of precipitation.

When does it snow in Riggins?

Months with snowfall are January through December.

How many days does it snow in Riggins?

In Riggins, Idaho, during the entire year, snow falls for 160 days and aggregates up to 210.63" (5350mm) of snow.

What is the month with the least sunshine in Riggins?

January has the least sunshine of the year, with an average of 3.3h of sunshine.

What are the months with the lowest UV index in Riggins?

January through April, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Riggins, Idaho.

What is the most humid month in Riggins?

With an average relative humidity of 94%, February is the most humid month in Riggins.

What is the rainiest month in Riggins?

February is the month with the most rainfall. Rain falls for 2.1 days and accumulates 4.49" (114mm) of precipitation.

What is the snowiest month in Riggins?

February is the month with the most snowfall in Riggins. Snow falls for 22.2 days and accumulates 36.1" (917mm) of snow.

When is Daylight Saving Time (DST) in Riggins?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days in Riggins?

June has the longest days of the year in Riggins, Idaho, with an average of 15h and 37min of daylight.

What is the warmest month in Riggins?

Warmest months are July and August, with an average high-temperature of 75.7°F (24.3°C).

What is the driest month in Riggins?

July is the month with the least rainfall in Riggins, Idaho. Rain falls for 6.3 days and accumulates 0.51" (13mm) of precipitation.

What month has the most sunshine in Riggins?

July has the most sunshine of the year, with an average of 11.6h of sunshine.

When is the highest UV index in Riggins?

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

What is the least humid month in Riggins?

The least humid month in Riggins, Idaho, is August, with an average relative humidity of 48%.

When it does not snow in Riggins?

August is the month with the least snowfall. Snow falls for 0.3 days and accumulates 0.08" (2mm) of snow.

What is the coldest month in Riggins?

The coldest month in Riggins is December, with an average high-temperature of 25.3°F (-3.7°C) and an average low-temperature of 12.7°F (-10.7°C).

What is the month with the shortest days in Riggins?

December has the shortest days of the year in Riggins, with an average of 8h and 47min of daylight.

Average temperature
Riggins, ID

Average temperature - Riggins, ID

The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is December (25.3°F).

The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is January (12°F).

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Average pressure
Riggins, ID

Average pressure - Riggins, ID

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Riggins, ID

Average wind speed - Riggins, ID

The windiest month (with the highest average wind speed) is March (6mph).
The calmest months (with the lowest average wind speed) are May, June, August and September (5.3mph).

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Average rainfall
Riggins, ID

Average rainfall - Riggins, ID

The wettest month (with the highest rainfall) is February (4.49").
The driest month (with the least rainfall) is July (0.51").

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Average rainfall days
Riggins, ID

Average rainfall days - Riggins, ID

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (1.8 days).

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Average snowfall
Riggins, ID

Average snowfall - Riggins, ID

The month with the highest snowfall is February (36.1").
The month with the least snowfall is August (0.08").

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Average snowfall days
Riggins, ID

Average snowfall days - Riggins, ID

The month with the highest number of snowfall days is March (24.9 days).
The month with the least snowfall days is August (0.3 days).

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Average daylight / Average sunshine
Riggins, ID

Average daylight / Average sunshine - Riggins, ID

The month with the longest days is June (Average daylight: 15h and 37min).
The month with the shortest days is December (Average daylight: 8h and 47min).

The month with the most sunshine is July (Average sunshine: 11.6h).
The month with the least sunshine is January (Average sunshine: 3.3h).

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Average sunshine days
Riggins, ID

Average sunshine days - Riggins, ID

The month with the most sunshine days is July (22.3 days).
The months with the least sunshine days are February and March (6.3 days).

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Average UV index
Riggins, ID

Average UV index - Riggins, ID

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).

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Average visibility
Riggins, ID

Average visibility - Riggins, ID

The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).

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