Climate and monthly weather forecast
Middleton, ID

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The climate of Middleton

The climatological profile of Middleton, Idaho, is characterized by a BSk category, according to the Köppen climate classification, meaning it experiences a mid-latitude steppe climate. This classification indicates a warm temperature regime with a significant difference between summer and winter temperatures. The average high temperature in Middleton spans a broad spectrum from 35.8°F (2.1°C) in December to 91°F (32.8°C) in July, while the low temperatures range from 24.3°F (-4.3°C) in December to 62.2°F (16.8°C) in August.

On average, Middleton receives about 1.42" (36mm) of rainfall in December and only 0.08" (2mm) in July. The city averages between 2.5 rainy days in July and 15 days in March. Conversely, snowfall occurs between zero days from May to September to nearly seven days in December. The solar exposure varies, with daylight hours increasing from 9 hours in December to 15.4 hours in June. Cloud cover reflects a similar trend, decreasing from 40% in December to a low of seven% in July.

This city's humidity levels oscillate between 30% in July and August, and a high of 80% in January. Wind speeds highlight a very moderate nature, culminating at 6.9mph (11.1km/h) in April and dropping to a minimum of 4.7mph (7.6km/h) in January. Overall, the climatic conditions signify a transitional area between dry and humid environments but maintain a characteristic mid-latitude steppe identity.

The best time to visit Middleton

Considering the weather variables, the ideal period for visiting Middleton is between May and September. During these months, there is a pleasing combination of moderate temperature ranges from 59.9°F (15.5°C) to 89.6°F (32°C), relatively low humidity juxtaposed to the rest of the year, with figures between 49% and 30%, and extended daylight hours ranging from 13.5 hours to 15.1 hours. There is also a marked decrease in precipitation, notably with July recording the lowest rainfall amount of 0.08" (2mm).

The worst time to visit Middleton

The less appealing period for tourism activities extends from November to March. During these months, visitors may find the colder temperatures, ranging from 35.8°F (2.1°C) to 52.3°F (11.3°C), high precipitation levels with a peak of 1.57" (40mm) of rain in March, and limited sunlight exposure, from 9 hours to 12 hours of daylight, as more challenging. Moreover, the possibility of snowfall, reaching up to 3.7" (94mm) in December, adds another aspect to consider regarding comfort and accessibility.

Spring weather in Middleton

Spring, encompassing March through May, presents a drastic climatic modification in Middleton. The high temperatures progressively ascend from 52.3°F (11.3°C) to 69.8°F (21°C), while the low temperatures climb from 37°F (2.8°C) to 46.8°F (8.2°C), accompanying a decrease in relative humidity from 63% to 49%. Rainfall increases initially, peaking at 1.57" (40mm) in March, then gradually diminishes to 0.75" (19mm) in May, with the number of raining days following a similar trend.

Summer weather in Middleton

Summer in Middleton, ranging from June to August, hosts the warmest conditions of the year. The average high temperature increases from 78.6°F (25.9°C) in June to an annual peak of 91°F (32.8°C) in July before descending slightly to 89.6°F (32°C) in August. Correspondingly, the minimum temperature fluctuates from 54°F (12.2°C) to reach the annual highest value of 62.2°F (16.8°C) in August. Precipitation is reasonably low throughout, with rainfall totals from 0.59" (15mm) in June to an annual low of 0.08" (2mm) in July.

Autumn weather in Middleton

Autumn, extending through September to November, welcomes a mild decline in overall temperatures. The average high temperature drops from 78.3°F (25.7°C) in September to 48°F (8.9°C) in November, while the low temperature goes from 55°F (12.8°C) to 33.1°F (0.6°C). The rainfall volume increases during this time to 0.83" (21mm) in November, with rainy days numbering 7.5 to 8.2.

Winter weather in Middleton

Winter months, December to February, showcase the coldest conditions in Middleton, with high temperatures ranging from 35.8°F (2.1°C) to 42.4°F (5.8°C) and low temperatures between 24.3°F (-4.3°C) to 29.8°F (-1.2°C). Throughout this period, Middleton experiences its most substantial snowfall, peaking at 3.7" (94mm) in December with 6.9 days of snowfall. Rainfall is equally significant, with an annual height of 1.42" (36mm) in December.

Weather in January

Shivering into the New Year, January weather in Middleton, Idaho, USA sees typical winter traits of frosty mornings and cold nights. The average high peaks at 36.9°F (2.7°C) and the low drops to around 25°F (-3.9°C), making it the coldest month. Weather in January »

Weather in February

In February, Middleton gets a slight relief from the biting cold of January. A noteworthy increase in temperatures is observed but remains in the chilly spectrum, with the snowfall less intense than the previous month. Typical to the last stretch of the winter season, slim sunshine hours and reduced daylight hours characterize the month. Weather in February »

Weather in March

March gifts Middleton with a noticeable transition towards spring conditions. The city experiences a considerable jump in temperatures compared to the preceding winter months. March sees the most dramatic change with an average rainfall of 1.57" (40mm) over 15 days, a considerable rise compared to the drier February. Weather in March »

Weather in April

April arrives with a burst of spring season energy, with the warming trend continuing from March. The mild temperatures manifest as the first signs of the warm season drawing closer. The daylight hours extend further, allowing more time for outdoor activities. Weather in April »

Weather in May

May propels Middleton right into the arms of the warm season. Its characteristics markedly contrast with those of the not-so-distant winter season. Daylight hours elevate to new highs, guiding the temperature values northward. The arrival of May breaks away from the cycle of regular precipitation seen in the earlier months. Weather in May »

Weather in June

June in Middleton is synonymous with the onset of summer. The city basks in the abundant sunlight, matched with extended daylight hours. The month falls under the low humidity period, an ideal condition for pursuing outdoor activities. Weather in June »

Weather in July

July reigns as the hottest month of the year in Middleton, with the average high soaring to a sweltering 91°F (32.8°C). Residents experience the full intensity of summer, marked by long sunshine hours and reduced rainfall. With high UV index ratings and bright blue skies, July calls for extra precautions while stepping outdoors. Weather in July »

Weather in August

Middleton in August carries forward the warmth from July but displays a mild dip in temperatures. The torrent of sunshine remains quite steady together with the reduced humidity levels. The wind speed experiences a slight drop, contributing to seemingly more hot afternoons. Weather in August »

Weather in September

The arrival of September marks a shift from the peak summer conditions in August. The temperature decrease becomes evident, signaling the onset of an inviting fall season. Though rainfall records an uptick from the summer months, its value remains much lower than the annual average. Weather in September »

Weather in October

October establishes the fall season firmly in Middleton. The moderate temperatures that this month brings makes it a preferred period for enjoying outdoor activities. The rapidly declining daylight hours trigger a change in the natural scenery. Weather in October »

Weather in November

As November unfolds, Middleton starts preparing for the approaching winter season. A drastic drop in temperatures makes it noticeably cooler than October. Experiencing the shortest sunlight hours since the previous winter, the days seem to wrap up early. Weather in November »

Weather in December

The weather in December brings Middleton into the full grasp of winter. Succeeding November, the average temperatures continue to fall, allowing for a substantial amount of snow of around 3.7" (94mm). The cloud cover percentage rises to an annual high contributing to the feel of a standard winter month. Weather in December »
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month?

With an average relative humidity of 80%, January is the most humid month.

How many days does it rain?

Throughout the year, there are 94.4 rainfall days, and 9.65" (245mm) of precipitation is accumulated.

When does it snow?

January through April, November and December are months with snowfall.

How much does it snow?

In Middleton, during the entire year, snow falls for 21.4 days and aggregates up to 10.2" (259mm) of snow.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the wettest month?

March is the month with the most rainfall. Rain falls for 15 days and accumulates 1.57" (40mm) 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 it does not snow?

In Middleton, snow does not fall in May through October.

When are the longest days?

The month with the longest days is June, with an average of 15h and 24min of daylight.

What are the warmest months?

The warmest period is July, when temperatures fluctuate between an average high of 91°F (32.8°C) and a low of 61.5°F (16.4°C).

What are the least humid months?

The months with the lowest humidity are July and August, with an average relative humidity of 30%.

What is the driest month?

July is the month with the least rainfall. Rain falls for 2.5 days and accumulates 0.08" (2mm) of precipitation.

What month has the most sunshine in Middleton?

The month with the most sunshine is July, with an average of 12.1h of sunshine.

When is the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 7.

What part of the year is the coldest?

Middleton reaches its average lowest temperatures in December, measuring 35.8°F (2.1°C) at the peak and 24.3°F (-4.3°C) at the lowest.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 6.9 days and accumulates 3.7" (94mm) of snow.

What is the month with the shortest days?

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

What is the month with the least sunshine?

The month with the least sunshine in Middleton, Idaho, is December, with an average of 5.6h of sunshine.

Average temperature
Middleton, ID

Average temperature - Middleton, ID

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (35.8°F).

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).

Average pressure
Middleton, ID

Average pressure - Middleton, ID

The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

Average wind speed
Middleton, ID

Average wind speed - Middleton, ID

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).

Average humidity
Middleton, ID

Average humidity - Middleton, ID

The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (30%).

Average rainfall
Middleton, ID

Average rainfall - Middleton, ID

The wettest month (with the highest rainfall) is March (1.57").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days
Middleton, ID

Average rainfall days - Middleton, ID

The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is July (2.5 days).

Average snowfall
Middleton, ID

Average snowfall - Middleton, ID

The month with the highest snowfall is December (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Middleton, ID

Average snowfall days - Middleton, ID

The month with the highest number of snowfall days is December (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Middleton, ID

Average daylight / Average sunshine - Middleton, 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: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days
Middleton, ID

Average sunshine days - Middleton, ID

The month with the most sunshine days is July (26.5 days).
The month with the least sunshine days is March (14.6 days).

Average UV index
Middleton, ID

Average UV index - Middleton, ID

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average visibility
Middleton, ID

Average visibility - Middleton, ID

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

Middleton, Idaho, USA

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