Climate and monthly weather forecast
Troy, ID

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Weather in January

January, like December, in Troy, Idaho, is another cold winter month, with an average temperature ranging between min 25.5°F (-3.6°C) and max 35.4°F (1.9°C). January's arrival registers an average high-temperature of a still icy 35.4°F (1.9°C), closely aligning with the temperature of the previous month. Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Troy, Idaho, with an average temperature varying between 38.7°F (3.7°C) and 27.9°F (-2.3°C). The beginning of February records an average high-temperature of a still icy 38.7°F (3.7°C), marking a negligible difference from January's 35.4°F (1.9°C). Weather in February »

Weather in March

March, the first month of the spring in Troy, is a chilly month, with temperature in the range of an average high of 46.8°F (8.2°C) and an average low of 31.8°F (-0.1°C). With the beginning of March, Troy's average high-temperature sees a minor increase, transitioning from an icy 38.7°F (3.7°C) in February to a frosty 46.8°F (8.2°C). Weather in March »

Weather in April

April is a cool spring month in Troy, Idaho, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 54.5°F (12.5°C). Troy's April weather indicates a minor increase in high-temperatures, edging from March's chilly 46.8°F (8.2°C) to a fresh 54.5°F (12.5°C). Weather in April »

Weather in May

May, the last month of the spring in Troy, is an enjoyable month, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 41.5°F (5.3°C). May brings a rise in the average high-temperature, transitioning from April's cool 54.5°F (12.5°C) to a refreshing 63.9°F (17.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Troy, Idaho, with an average temperature ranging between max 70°F (21.1°C) and min 46.6°F (8.1°C). The shift into June is accompanied by a modest temperature increase, with the average high-temperature edging up from an enjoyable 63.9°F (17.7°C) in May to a pleasant 70°F (21.1°C). Weather in June »

Weather in July

July is a moderately hot summer month in Troy, Idaho, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 82.6°F (28.1°C). With the transition into July, Troy experiences an increase in average high-temperatures, moving up from an agreeable 70°F (21.1°C) in June to a warm 82.6°F (28.1°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Troy, Idaho, with an average temperature ranging between min 58.1°F (14.5°C) and max 83.7°F (28.7°C). August, on average, is the warmest month, registering a high temperature of 83.7°F (28.7°C) and a low of 58.1°F (14.5°C). The heat index value for August is appraised at 82.4°F (28°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Troy, Idaho, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 51.4°F (10.8°C). The onset of September brings a small change in high-temperatures, falling from 83.7°F (28.7°C) in August to a still warm 73.4°F (23°C). Weather in September »

Weather in October

October, the same as September, in Troy, Idaho, is another mild autumn month, with an average temperature fluctuating between 41.4°F (5.2°C) and 57.7°F (14.3°C). As Troy welcomes October, there is a noticeable shift in the average high-temperature, dropping from September's moderately hot 73.4°F (23°C) to a refreshing 57.7°F (14.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Troy, is also a frosty month, with an average temperature ranging between min 31.8°F (-0.1°C) and max 43.7°F (6.5°C). As Troy enters November, the average high-temperature decreases from the a refreshing 57.7°F (14.3°C) of October to a chilly 43.7°F (6.5°C). Weather in November »

Weather in December

December, the first month of the winter in Troy, is still a cold month, with temperature in the range of an average high of 34°F (1.1°C) and an average low of 24.1°F (-4.4°C). December stands out as Troy's coldest month, with an average high-temperature of 34°F (1.1°C) and a low-temperature of 24.1°F (-4.4°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month in Troy?

The most humid month is January, with an average relative humidity of 87%.

How much does it rain in Troy?

In Troy, during the entire year, the rain falls for 143.2 days and collects up to 20.51" (521mm) of precipitation.

When does it snow in Troy?

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

When does it snow the most in Troy?

January is the month with the most snowfall in Troy. Snow falls for 13.7 days and accumulates 12.56" (319mm) of snow.

How many days does it snow in Troy?

In Troy, Idaho, during the entire year, snow falls for 60.2 days and aggregates up to 47.24" (1200mm) of snow.

What is the month with the least sunshine in Troy?

The months with the least sunshine are January, February and December, with an average of 4.5h of sunshine.

When is the lowest UV index in Troy?

February is the month with the lowest UV index, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Troy?

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

When it does not snow in Troy?

In Troy, Idaho, snow does not fall in June through August.

When are the longest days in Troy?

The month with the longest days in Troy is June, with an average of 15h and 48min of daylight.

What is the driest month in Troy?

The months with the least rainfall in Troy, Idaho, are July and August Rain falls for 5.9 days and accumulates 0.47" (12mm) of rain.

When is the highest UV index in Troy?

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

What part of the year is the hottest in Troy?

August, characterized by an average high temperature of 83.7°F (28.7°C) and a low temperature of 58.1°F (14.5°C), is generally the warmest month in Troy.

What is the least humid month in Troy?

With an average relative humidity of 40%, August is the least humid month in Troy, Idaho.

What month has the most sunshine in Troy?

August has the most sunshine of the year, with an average of 12h of sunshine.

What month is the coldest in Troy?

Temperature records in Troy mark December as the coldest month, with highs averaging 34°F (1.1°C) and lows at 24.1°F (-4.4°C).

What is the rainiest month in Troy?

December is the month with the most rainfall in Troy. Rain falls for 11.6 days and accumulates 2.68" (68mm) of precipitation.

What is the month with the shortest days in Troy?

December has the shortest days of the year in Troy, with an average of 8h and 36min of daylight.

Average temperature
Troy, ID

Average temperature - Troy, ID

The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).

The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).

Average pressure
Troy, ID

Average pressure - Troy, ID

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed
Troy, ID

Average wind speed - Troy, ID

The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).

Average rainfall
Troy, ID

Average rainfall - Troy, ID

The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").

Average rainfall days
Troy, ID

Average rainfall days - Troy, ID

The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).

Average snowfall
Troy, ID

Average snowfall - Troy, ID

The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").

Average snowfall days
Troy, ID

Average snowfall days - Troy, ID

The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Troy, ID

Average daylight / Average sunshine - Troy, ID

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).

Average sunshine days
Troy, ID

Average sunshine days - Troy, ID

The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).

Average visibility
Troy, ID

Average visibility - Troy, ID

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

Troy, Idaho, USA

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