Climate and monthly weather forecastFlat Rock, ID

Climate and monthly weather forecast

Weather in January

January, the same as December, in Flat Rock, Idaho, is another subzero cold winter month, with an average temperature ranging between max 24.1°F (-4.4°C) and min 6.8°F (-14°C). Flat Rock observes an average high-temperature of a still subzero cold 24.1°F (-4.4°C) in January, barely different from 22.3°F (-5.4°C) in December. Weather in January »

Weather in February

February, the last month of the winter in Flat Rock, is another freezing cold month, with temperature in the range of an average low of 9.7°F (-12.4°C) and an average high of 25.2°F (-3.8°C). The commencement of February records an average high-temperature of a still subzero cold 25.2°F (-3.8°C), barely varying from January's 24.1°F (-4.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Flat Rock, Idaho, with an average temperature varying between 32.9°F (0.5°C) and 16.9°F (-8.4°C). Flat Rock's weather shows a minor temperature rise with the arrival of March, moving from a freezing cold 25.2°F (-3.8°C) in February to a cold 32.9°F (0.5°C). Weather in March »

Weather in April

April, the same as March, is a wintry spring month in Flat Rock, Idaho, with an average temperature fluctuating between 42.4°F (5.8°C) and 23.9°F (-4.5°C). The shift from March to April sees an increase in the average high-temperature, transitioning from a wintry 32.9°F (0.5°C) to a still cold 42.4°F (5.8°C). Weather in April »

Weather in May

May, the last month of the spring in Flat Rock, is a refreshing month, with temperature in the range of an average low of 33.3°F (0.7°C) and an average high of 55.9°F (13.3°C). May's onset brings a rise in the average high-temperature, moving from a cold 42.4°F (5.8°C) in April to a moderate 55.9°F (13.3°C). Weather in May »

Weather in June

June, the first month of the summer in Flat Rock, is a refreshing month, with temperature in the range of an average low of 39.4°F (4.1°C) and an average high of 66°F (18.9°C). The transition from May to June brings a temperature rise, with average high-temperatures increasing from a moderate 55.9°F (13.3°C) to an enjoyable 66°F (18.9°C). Weather in June »

Weather in July

July is a moderately hot summer month in Flat Rock, Idaho, with an average temperature varying between 77.4°F (25.2°C) and 46°F (7.8°C). July is the warmest month, exhibiting average temperatures of 77.4°F (25.2°C) at the peak and 46°F (7.8°C) at the base. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Flat Rock, Idaho, with temperature in the range of an average high of 75.7°F (24.3°C) and an average low of 46.6°F (8.1°C). Transitioning into August, Flat Rock experiences an average high-temperature of a still moderately hot 75.7°F (24.3°C), marking a minor shift from the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Flat Rock, is still a refreshing month, with an average temperature fluctuating between 65.8°F (18.8°C) and 40.1°F (4.5°C). The transition into September involves a decrease in the average high-temperature, falling from a warm 75.7°F (24.3°C) in August to a comfortable 65.8°F (18.8°C). Weather in September »

Weather in October

October, the same as September, in Flat Rock, Idaho, is another chilly autumn month, with an average temperature fluctuating between 28.9°F (-1.7°C) and 47.8°F (8.8°C). With the onset of October, Flat Rock's average high-temperature witnesses a clear drop, receding from September's comfortable 65.8°F (18.8°C) to a chilly 47.8°F (8.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Flat Rock, Idaho, with an average temperature ranging between max 33.1°F (0.6°C) and min 17.2°F (-8.2°C). A noticeable downshift in temperatures is seen as October gives way to November, with average highs moving from a chilly 47.8°F (8.8°C) to a wintry 33.1°F (0.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Flat Rock, Idaho, with an average temperature varying between 6.8°F (-14°C) and 22.3°F (-5.4°C). With average high temperatures of 22.3°F (-5.4°C) and lows of 6.8°F (-14°C), December is the coldest month. Weather in December »
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The months with the highest humidity are January and February, with an average relative humidity of 94%.

In Flat Rock, during the entire year, the rain falls for 106.1 days and collects up to 20.83" (529mm) of precipitation.

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

January is the month with the most snowfall. Snow falls for 21.8 days and accumulates 19.84" (504mm) of snow.

Throughout the year, there are 138.1 snowfall days, and 107.64" (2734mm) of snow is accumulated.

January has the least sunshine of the year in Flat Rock, with an average of 3.8h of sunshine.

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

The month with the most rainfall is February, when the rain falls for 5.2 days and typically aggregates up to 2.64" (67mm) of precipitation.

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.

The month with the longest days is June, with an average of 15h and 30min of daylight.

June and July, with an average maximum UV index of 5, are months with the highest UV index in Flat Rock.

Flat Rock witnesses the warmest weather in July, with temperatures averaging a high of 77.4°F (25.2°C) and a low of 46°F (7.8°C).

The month with the least rainfall is July, when the rain falls for 6.8 days and typically collects 0.47" (12mm) of precipitation.

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

With an average relative humidity of 47%, August is the least humid month.

The only month without snowfall is August.

In Flat Rock, December registers the lowest temperatures, averaging 22.3°F (-5.4°C) at the peak and 6.8°F (-14°C) at the lowest.

With an average of 8h and 54min of daylight, December has the shortest days of the year.

Average temperature
Flat Rock, ID

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (22.3°F).

The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).

Average pressure
Flat Rock, ID

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Flat Rock, ID

The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).

Average humidity
Flat Rock, ID

The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).

Average rainfall
Flat Rock, ID

The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days
Flat Rock, ID

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).

Average snowfall
Flat Rock, ID

The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").

Average snowfall days
Flat Rock, ID

The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).

Average daylight / Average sunshine
Flat Rock, ID

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days
Flat Rock, ID

The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).

Average UV index
Flat Rock, ID

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

Average cloud cover
Flat Rock, ID

The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 13).

Average visibility
Flat Rock, 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 and December (3mi).