Climate and monthly weather forecastGuyaz, ID

Climate and monthly weather forecast

Weather in January

January, like December, is a freezing cold winter month in Guyaz, Idaho, with temperature in the range of an average low of 13.1°F (-10.5°C) and an average high of 27.9°F (-2.3°C). During January, the average high-temperature is a still freezing cold 27.9°F (-2.3°C), maintaining a close resemblance to that of the preceding month. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Guyaz, Idaho, with an average temperature fluctuating between 29.8°F (-1.2°C) and 16.7°F (-8.5°C). Guyaz's transition from January to February introduces an average high-temperature of a still freezing cold 29.8°F (-1.2°C), marking an insignificant variation from the 27.9°F (-2.3°C). Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Guyaz, Idaho, with an average temperature fluctuating between 39°F (3.9°C) and 25.2°F (-3.8°C). A rise in the average high-temperature is observed during March, moving from a freezing cold 29.8°F (-1.2°C) in February to an icy 39°F (3.9°C). Weather in March »

Weather in April

April in Guyaz, Idaho, is a chilly spring month, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 49.8°F (9.9°C). April brings a rise in Guyaz's average high-temperature, moving from a wintry 39°F (3.9°C) in March to a chilly 49.8°F (9.9°C). Weather in April »

Weather in May

May, the last month of the spring in Guyaz, is a refreshing month, with an average temperature varying between 38.1°F (3.4°C) and 61.3°F (16.3°C). With the beginning of May, Guyaz's average high-temperature sees an increase, transitioning from a chilly 49.8°F (9.9°C) in April to a comfortable 61.3°F (16.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Guyaz, Idaho, with an average temperature ranging between min 45°F (7.2°C) and max 71.8°F (22.1°C). Guyaz's transition into June brings a rise in the average high-temperature, moving from a comfortable 61.3°F (16.3°C) in May to a pleasant 71.8°F (22.1°C). Weather in June »

Weather in July

July in Guyaz, Idaho, is a moderately hot summer month, with an average temperature fluctuating between 82.4°F (28°C) and 52.7°F (11.5°C). With average high and low temperatures of 82.4°F (28°C) and 52.7°F (11.5°C) respectively, July is Guyaz's warmest month. The heat index value for July is appraised at 82.4°F (28°C). Weather in July »

Weather in August

August, the last month of the summer in Guyaz, is also a moderately hot month, with an average temperature varying between 52.5°F (11.4°C) and 81.1°F (27.3°C). Welcoming August, Guyaz notes an average high-temperature of a still warm 81.1°F (27.3°C), nearly consistent with July's 82.4°F (28°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Guyaz, Idaho, with an average temperature ranging between min 46.4°F (8°C) and max 71.2°F (21.8°C). As August shifts into September, a slight alteration in temperatures is observed, with average highs reducing from a warm 81.1°F (27.3°C) to an agreeable 71.2°F (21.8°C). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Guyaz, Idaho, with an average temperature ranging between min 34.7°F (1.5°C) and max 52.9°F (11.6°C). As September transitions into October, Guyaz sees a clear drop in the average high-temperature, declining from a pleasant 71.2°F (21.8°C) to a cool 52.9°F (11.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Guyaz, Idaho, with an average temperature fluctuating between 24.1°F (-4.4°C) and 38.8°F (3.8°C). November's arrival correlates with a reduction in the average high-temperature, down from a cool 52.9°F (11.6°C) in October to a cold 38.8°F (3.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Guyaz, Idaho, with an average temperature varying between 14.4°F (-9.8°C) and 27°F (-2.8°C). December, noted for its average high-temperature of 27°F (-2.8°C) and an average low-temperature of 14.4°F (-9.8°C), is considered the coldest month. Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

With an average relative humidity of 91%, January is the most humid month.

Throughout the year, there are 101.4 rainfall days, and 12.72" (323mm) of precipitation is accumulated.

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

January is the month with the most snowfall in Guyaz. Snow falls for 15.8 days and accumulates 8.11" (206mm) of snow.

Throughout the year, in Guyaz, Idaho, there are 85.8 snowfall days, and 40.94" (1040mm) of snow is accumulated.

With an average of 4.4h of sunshine, January has the least sunshine of the year.

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

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.

May is the month with the most rainfall. Rain falls for 13.5 days and accumulates 1.54" (39mm) of precipitation.

In Guyaz, snow does not fall in June through August.

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

In Guyaz, Idaho, the average temperatures in July are the highest, with a peak at 82.4°F (28°C) and a low of 52.7°F (11.5°C).

The month with the least rainfall in Guyaz is July, when the rain falls for 7.6 days and typically collects 0.55" (14mm) of precipitation.

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

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

August is the least humid month, with an average relative humidity of 39%.

December, with its average high-temperature of 27°F (-2.8°C) and an average low-temperature of 14.4°F (-9.8°C), holds the record as the coldest month in Guyaz, Idaho.

With an average of 9h and 0min of daylight, December has the shortest days of the year in Guyaz.

Average temperature
Guyaz, ID

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (27°F).

The month with the highest average low temperature is July (52.7°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

Average pressure
Guyaz, ID

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Guyaz, ID

The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).

Average humidity
Guyaz, ID

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (39%).

Average rainfall
Guyaz, ID

The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is July (0.55").

Average rainfall days
Guyaz, ID

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3 days).

Average snowfall
Guyaz, ID

The month with the highest snowfall is January (8.11").
The months with the least snowfall are June, July and August (0").

Average snowfall days
Guyaz, ID

The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine
Guyaz, 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 24min).

Average sunshine days
Guyaz, ID

The month with the most sunshine days is July (19.8 days).
The month with the least sunshine days is February (10.3 days).

Average UV index
Guyaz, ID

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover
Guyaz, ID

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility
Guyaz, ID

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