Climate and monthly weather forecast
Blackfoot, ID


The climate of Blackfoot

Situated in Idaho, USA, Blackfoot has an intermediate climate - the mid-latitude steppe, identified as a BSk type, as per the Köppen climate classification. As the year progresses, these weather parameters evolve, characterising varying seasonal landscapes.

Temperatures in Blackfoot change considerably over the year, ascending from a frigid 16.2°F (-8.8°C) in the start of the year to a mild 55.9°F (13.3°C) towards the end, with the highest temperature of 85.6°F (29.8°C) observed during summers. On the other hand, relative humidity ranges from 34% to 88% as the year progresses, diminishing from a high in the colder months to a low point during warmer months.

Rainfall is relatively consistent throughout the year, with the months of April to November having slightly reduced rainfall, hovering around 0.39" (10mm) to 0.83" (21mm). Remarkably, Blackfoot features heavy snowfall at the beginning and end of the year, with peak snowfall of 7.83" (199mm) in January and 6.46" (164mm) in December. Snowfall is absent completely from June to September.

The best time to visit Blackfoot

Considering the temperature, sunshine hours, and outdoor conditions, the most pleasant periods to explore Blackfoot are primarily from late spring to early autumn. During this time, the weather is moderately warm with temperatures reaching a comfortable 63.9°F (17.7°C) to 85.6°F (29.8°C). The summer months, specifically June and July, offer the greatest daylight hours, up to 15.3 hours, and the most sunshine period, up to 11.9 hours. For sun-seekers, these months have the highest UV index of 6.

The worst time to visit Blackfoot

The months of January and February are usually not recommended for travel due to harsh weather conditions. The temperature during these months dips to a severe 16.2°F (-8.8°C) to 19.6°F (-6.9°C) making outdoor activities challenging, coupled with substantial snowfall, measuring 7.83" (199mm) and 5.16" (131mm) respectively. Further, the daylight hours are noticeably short, from 9.4 hours to 10.6 hours.

Spring weather in Blackfoot

Spring in Blackfoot, spanning March to May, heralds significant changes in the weather. March sees the beginning of warmer conditions as the temperature rises from 43°F (6.1°C). By May, temperature tends to be fairly pleasant, reaching 63.9°F (17.7°C). Rainfall remains consistent, ranging from 1.02" (26mm) to 1.1" (28mm), with around 12 to 14 rainy days per month.

Summer weather in Blackfoot

Blackfoot's summer, from June to August, is characterized by warm temperatures, extending up to 85.6°F (29.8°C). These months also witness less cloud cover and minimal rain, allowing for abundant sunshine hours. The months of June and July experience only 0.39" (10mm) and 0.63" (16mm) of rain, respectively, with an approximate 7 to 8 rainy days in a month.

Autumn weather in Blackfoot

Autumn, arriving in September and lasting till November, witnesses a drop in temperatures from 73.8°F (23.2°C) to 41.9°F (5.5°C), with decreasing daylight and sunshine hours. Rainfall starts to increase slightly, ranging from 0.79" (20mm) to 0.75" (19mm) across these months, with approximately 8 to 10 rainy days each month.

Winter weather in Blackfoot

Winter in Blackfoot, commencing in December and continuing to February, can be quite severe. The weather conditions change dramatically, with significant drops in temperature from 28.6°F (-1.9°C) to 16.2°F (-8.8°C), and an increase in snowfall, peaking at 7.83" (199mm) in January with up to 16 snowy days. This period also exhibits the shortest daylight durations and the least number of sunshine days.

Weather in January

The season of winter asserts itself strongly in Blackfoot, Idaho during January, with cold being the defining characteristic. The weather transitions from the milder December, creating a distinctive shift in the environment. As a high of 28.9°F (-1.7°C) and a low of 16.2°F (-8.8°C) is observed, one can expect a considerable amount of snowfall reaching as much as 7.83" (199mm). Weather in January »

Weather in February

Blackfoot moves from the frigid January weather, inclination towards slightly warmer conditions in February. The city welcomes an increase in temperature, yet the overall atmosphere remains snowy and cold. In February, the highest snowfall is around 5.16" (131mm), depicting a winter wonderland in Blackfoot, Idaho. Weather in February »

Weather in March

The weather in March symbolizes a transition, as Blackfoot shifts from the chill of winter to the freshness of spring. March experiences warmer temperatures, welcoming outdoor activities and a vibrant environment. Signifying this variation, there is a significant drop in snowfall, decreasing to a mere 4.37" (111mm) compared with the previous month. Weather in March »

Weather in April

April brings a considerable change in Blackfoot's weather compared with March. The city experiences a noticeable leap in the temperature spectrum, along with an increased amount of daylight. Precipitation transforms from snowfall to rain, witnessed by a notable decrease in snowfall that now falls to 1.02" (26mm). Weather in April »

Weather in May

As Blackfoot transitions from April to May, the weather undergoes a significant change. The month marks the advent of spring in its full bloom, characterized by mild temperatures and flourishing greenery. The most unique feature about May is almost negligible snowfall, recording just 0.39" (10mm) coupled with increased temperatures. Weather in May »

Weather in June

Comparatively, June in Blackfoot experiences increased temperatures and longer daylight hours than May. With temperatures steadily climbing, outdoor activities become a common endeavor for residents. The absence of any snowfall during this month signifies the onset of summer. Weather in June »

Weather in July

July is the peak of summer in Blackfoot, Idaho, marked by the highest temperatures and daylight hours of the year. Residents can enjoy long and warm days, perfect for outdoor activities. The weather becomes significantly warmer compared with June, and there is absolutely no snowfall during this month. Weather in July »

Weather in August

Following the highest temperatures in July, August gradually tones down the heat in Blackfoot. The days remain long, but the city begins to experience a slight drop in temperatures. However, the absence of any snowfall in August is a clear indication of the prevalent summer season. Weather in August »

Weather in September

September brings a noticeable change in the weather in Blackfoot, signaling the onset of the fall season. The shift from the warm temperatures of August to slightly cooler September makes its mark. Despite the summer's end, it allows the first traces of snowfall, amounting to about 0.31" (8mm). Weather in September »

Weather in October

October in Blackfoot marks the full arrival of the autumn season, with cooler temperatures and shorter daylight hours than in September. This month marks a transition into the colder part of the year, indicating the onset of winter. Weather in October »

Weather in November

As Blackfoot transitions from October to November, the weather turns increasingly chilly. Snowfall rises to 3.46" (88mm) from the previous month, appealing to winter recreation enthusiasts. The city witnesses an evident drop in temperature compared to October, making winter coats an essential part of the wardrobe. Weather in November »

Weather in December

December in Blackfoot, Idaho, is characterized by cold temperatures and heavy snowfall. The transition from November to December brings heavier snow and lower temperatures, indicating the full-force arrival of the winter season. Weather in December »

Frequently asked questions

What is the most humid month in Blackfoot?

January is the most humid month in Blackfoot, with an average relative humidity of 88%.

How many days does it rain in Blackfoot?

Throughout the year, in Blackfoot, there are 120.8 rainfall days, and 10.67" (271mm) of precipitation is accumulated.

When does it snow in Blackfoot?

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

When does it snow the most in Blackfoot?

The month with the most snowfall is January, when snow falls for 15.6 days and typically aggregates up to 7.83" (199mm) of snow.

How much does it snow in Blackfoot?

Throughout the year, there are 69.9 snowfall days, and 29.37" (746mm) of snow is accumulated.

What is the month with the least sunshine in Blackfoot?

January has the least sunshine of the year, with an average of 5.1h of sunshine.

What is the rainiest month in Blackfoot?

The month with the most rainfall in Blackfoot, Idaho, is March, when the rain falls for 13.8 days and typically aggregates up to 1.22" (31mm) of precipitation.

When is Daylight Saving Time (DST) in Blackfoot?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Blackfoot, Idaho, 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 Blackfoot?

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

When are the longest days in Blackfoot?

June has the longest days of the year, with an average of 15h and 18min of daylight.

What are the months with the most sunshine in Blackfoot?

The months with the most sunshine are June and July, with an average of 11.9h of sunshine.

What are the warmest months in Blackfoot?

Blackfoot, Idaho, records the warmest temperatures in July, averaging a high of 85.6°F (29.8°C) and a low of 55.8°F (13.2°C).

What is the driest month in Blackfoot?

July is the month with the least rainfall in Blackfoot. Rain falls for 7.3 days and accumulates 0.39" (10mm) of precipitation.

What is the month with the highest UV index in Blackfoot?

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

What is the least humid month in Blackfoot?

August is the least humid month, with an average relative humidity of 34%.

What is the coldest time of year in Blackfoot?

In Blackfoot, December is the month with the lowest recorded average temperatures, measuring a high of 28.6°F (-1.9°C) and a low of 16.7°F (-8.5°C).

What is the month with the shortest days in Blackfoot?

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

When is the lowest UV index in Blackfoot?

With an average maximum UV index of 1, December is the month with the lowest UV index in Blackfoot.

Average temperature
Blackfoot, ID

Average temperature - Blackfoot, ID

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (28.6°F).

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).


Average pressure
Blackfoot, ID

Average pressure - Blackfoot, ID

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).


Average wind speed
Blackfoot, ID

Average wind speed - Blackfoot, ID

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).


Average rainfall
Blackfoot, ID

Average rainfall - Blackfoot, ID

The wettest month (with the highest rainfall) is March (1.22").
The driest month (with the least rainfall) is July (0.39").


Average rainfall days
Blackfoot, ID

Average rainfall days - Blackfoot, ID

The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (7.3 days).


Average snowfall
Blackfoot, ID

Average snowfall - Blackfoot, ID

The month with the highest snowfall is January (7.83").
The months with the least snowfall are June, July and August (0").


Average snowfall days
Blackfoot, ID

Average snowfall days - Blackfoot, ID

The month with the highest number of snowfall days is December (16.1 days).
The months with the least snowfall days are July and August (0 days).


Average daylight / Average sunshine
Blackfoot, ID

Average daylight / Average sunshine - Blackfoot, ID

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).


Average sunshine days
Blackfoot, ID

Average sunshine days - Blackfoot, ID

The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is February (10.5 days).


Average visibility
Blackfoot, ID

Average visibility - Blackfoot, ID

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


Blackfoot, Idaho, USA

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