Climate and monthly weather forecast
Tetonia, ID

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Weather in January

January, the same as December, in Tetonia, Idaho, is another subzero cold winter month, with an average temperature varying between 25.7°F (-3.5°C) and 9.1°F (-12.7°C). A minor adjustment in Tetonia's average high-temperature is noted with the start of January, touching a still freezing cold 25.7°F (-3.5°C) from December's 23.9°F (-4.5°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Tetonia, Idaho, with temperature in the range of an average low of 11.7°F (-11.3°C) and an average high of 26.8°F (-2.9°C). Tetonia records an average high-temperature of a still freezing cold 26.8°F (-2.9°C) as February arrives, nearly mirroring the previous month's climate. Weather in February »

Weather in March

March, the first month of the spring in Tetonia, is a cold month, with temperature in the range of an average high of 34°F (1.1°C) and an average low of 19°F (-7.2°C). As March arrives, Tetonia's weather shows a minor increase in high-temperatures, edging from February's freezing cold 26.8°F (-2.9°C) to an icy 34°F (1.1°C). Weather in March »

Weather in April

April in Tetonia, Idaho, is a chilly spring month, with an average temperature varying between 25.5°F (-3.6°C) and 42.8°F (6°C). As Tetonia welcomes April, the average high-temperature sees a modest rise, transitioning from a cold 34°F (1.1°C) in March to a frosty 42.8°F (6°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Tetonia, Idaho, with an average temperature ranging between max 55.8°F (13.2°C) and min 34°F (1.1°C). Tetonia's May weather shows an increase in high-temperatures, moving from April's frosty 42.8°F (6°C) to a mild 55.8°F (13.2°C). Weather in May »

Weather in June

June, the first month of the summer in Tetonia, is a refreshing month, with an average temperature ranging between max 66.6°F (19.2°C) and min 41°F (5°C). The arrival of June sees a shift in the average high-temperature, moving from a moderate 55.8°F (13.2°C) in May to an enjoyable 66.6°F (19.2°C). Weather in June »

Weather in July

July in Tetonia, Idaho, is a warm summer month, with an average temperature varying between 48.7°F (9.3°C) and 77.2°F (25.1°C). With average temperatures fluctuating between a high of 77.2°F (25.1°C) and a low of 48.7°F (9.3°C), July stands out as the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Tetonia, is also a moderately hot month, with an average temperature fluctuating between 76.1°F (24.5°C) and 48.4°F (9.1°C). With the arrival of August, Tetonia's average high-temperature registers at a still moderately hot 76.1°F (24.5°C), indicating a subtle variation from the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is still a refreshing month in Tetonia, Idaho, with an average temperature fluctuating between 66.9°F (19.4°C) and 42.3°F (5.7°C). September shows a mild decline in the average high-temperature, falling from August's warm 76.1°F (24.5°C) to a refreshing 66.9°F (19.4°C). Weather in September »

Weather in October

October, like September, is a frosty autumn month in Tetonia, Idaho, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 48.7°F (9.3°C). Tetonia in October experiences a marked decrease in the average high-temperature, descending from September's enjoyable 66.9°F (19.4°C) to a chilly 48.7°F (9.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Tetonia, is another cold month, with an average temperature fluctuating between 19.2°F (-7.1°C) and 34.9°F (1.6°C). In Tetonia, the beginning of November is marked by a lowered average high-temperature, shifting from October's chilly 48.7°F (9.3°C) to a cold 34.9°F (1.6°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Tetonia, Idaho, with an average temperature ranging between max 23.9°F (-4.5°C) and min 9.5°F (-12.5°C). December is the coldest month, with an average high-temperature of 23.9°F (-4.5°C) and an average low-temperature of 9.5°F (-12.5°C). Weather in December »
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain?

Throughout the year, there are 110.1 rainfall days, and 23.35" (593mm) of precipitation is accumulated.

When does it snow?

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

What is the snowiest month?

The month with the most snowfall in Tetonia is January, when snow falls for 19.2 days and typically aggregates up to 24.06" (611mm) of snow.

How many days does it snow?

In Tetonia, during the entire year, snow falls for 125.3 days and aggregates up to 120.47" (3060mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4h of sunshine.

What is the month with the lowest UV index?

January through March and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the most humid month?

February is the most humid month, with an average relative humidity of 93%.

What is the wettest month?

The month with the most rainfall is February, when the rain falls for 5.9 days and typically aggregates up to 2.91" (74mm) of precipitation.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

When are the longest days?

June has the longest days of the year, with an average of 15h and 24min of daylight.

What is the warmest month?

In Tetonia, July records the average highest temperatures, peaking at 77.2°F (25.1°C) and reaching a low of 48.7°F (9.3°C).

What is the driest month?

The month with the least rainfall is July, when the rain falls for 7.8 days and typically collects 0.71" (18mm) of precipitation.

When it does not snow?

July and August are months without snowfall.

What month has the most sunshine?

With an average of 11.9h of sunshine, July has the most sunshine of the year.

What is the month with the highest UV index?

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

What is the least humid month?

With an average relative humidity of 45%, August is the least humid month.

What is the coldest time of year?

In Tetonia, December is the month with the lowest recorded average temperatures, measuring a high of 23.9°F (-4.5°C) and a low of 9.5°F (-12.5°C).

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

Average temperature
Tetonia, ID

Average temperature - Tetonia, ID

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is December (23.9°F).

The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).

Average pressure
Tetonia, ID

Average pressure - Tetonia, ID

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Tetonia, ID

Average wind speed - Tetonia, ID

The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest months (with the lowest average wind speed) are January and December (4.6mph).

Average humidity
Tetonia, ID

Average humidity - Tetonia, ID

The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).

Average rainfall
Tetonia, ID

Average rainfall - Tetonia, ID

The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.71").

Average rainfall days
Tetonia, ID

Average rainfall days - Tetonia, ID

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (4.5 days).

Average snowfall
Tetonia, ID

Average snowfall - Tetonia, ID

The month with the highest snowfall is January (24.06").
The months with the least snowfall are July and August (0").

Average snowfall days
Tetonia, ID

Average snowfall days - Tetonia, ID

The month with the highest number of snowfall days is December (21.8 days).
The months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine
Tetonia, ID

Average daylight / Average sunshine - Tetonia, ID

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days
Tetonia, ID

Average sunshine days - Tetonia, ID

The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (7.3 days).

Average UV index
Tetonia, ID

Average UV index - Tetonia, ID

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

Average visibility
Tetonia, ID

Average visibility - Tetonia, ID

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

Tetonia, Idaho, USA

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