Climate and monthly weather forecast
Garden City, ID

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The climate of Garden City

Located amidst the geographical majesty of Idaho, USA, Garden City boasts a Mediterranean, warm summer type of climate as distinctively marked by the Köppen climate classification - Csb. The city's climate attributes are particularly significant due to its geographical position, lying graciously in the Pacific Northwest region of the U.S, where mountains and valleys create their own unique weathersphere.

Throughout the year, Garden City exhibits diverse variations spanning across multiple weather parameters. High temperatures generally range from 34.7°F (1.5°C) in the winter to 87.8°F (31°C) in the summer. The lowest temperatures swing from 23.2°F (-4.9°C) in winter to about 61.3°F (16.3°C) during the months of summer. Specifically, relative humidity levels moderately fluctuate, steepest in January with 80% and the lowest at 30% in the hot summer month of July.

A noteworthy peculiarity arises in the rainfall patterns across the year. Starting from January with 2.05" (52mm) of rain, the level hovers around this average before nose-diving in the months between July and August to a bare 0.2 and 0.24" (6mm) respectively. Sunshine hours peak during summer with a maximum of 15.4 hours in June, dropping to the lowest average of 9 hours during the winter period.

The best time to visit Garden City

From the data collated, months from June to September make for an optimal window for a visit. During this span, visitors are treated to pleasant climates signified by minimal rainfall, lower humidity levels, maximum daylight and sunshine hours beyond 14.7 hours. High temperatures remain hovering between 75.7°F (24.3°C) to 86.5°F (30.3°C), with the lowest barely touching 52.7°F (11.5°C).

The worst time to visit Garden City

Least favorable months for a visit are arguably from December to February. During these winter months, Garden City experiences lower sunshine hours around 9 hours, coupled with heavy snow varying from 6.54" (166mm) in December to 4.8" (122mm) in February. Sub-zero temperatures between 34.7°F (1.5°C) on the higher side to a chilly 23.2°F (-4.9°C) on the lower side, paired with high humidity levels of 78% to 80% make it less desirable for tourism activities.

Spring weather in Garden City

Spring months unravels from March to May with high temperatures tending to increase progressively from 48.9°F (9.4°C) to 67.1°F (19.5°C). Corresponding lows also follow suit climbing up from 34.3°F (1.3°C) to 45.1°F (7.3°C). Relative humidity levels start falling from 68% in March down to 51% in May. Slight decreases can be seen in rainfall levels at this period along with significant growth in daylight hours from 12 to 14.7 hours.

Summer weather in Garden City

Between June and August, Garden City comes alive with the warmth and vibrancy of summer. High temperatures shoot up to 75.7°F (24.3°C) in June and peak at 87.8°F (31°C) in July before settling at 86.5°F (30.3°C) in August. Low temperatures tend to lie between 52.7°F (11.5°C) to 61.3°F (16.3°C), while humidity levels plummet to the lowest between 30% and 31%.

Autumn weather in Garden City

Septembers denote the onset of autumn with accompanying alterations in weather parameters. High temperatures make a measured descent from 76.1°F (24.5°C) to 45.5°F (7.5°C) by November. Meanwhile, lows sharply veer from 53.6°F (12°C) to 32°F (0°C). Relative humidity levels begin their ascent from 37% in September to 65% by November.

Winter weather in Garden City

Winter months set in motion from December, bringing along dramatic dips in high temperatures from 34.7°F (1.5°C) in December to 35.2°F (1.8°C) by February. Similar shifts reflect in lower temperatures, with records descending from 23.2°F (-4.9°C) in December to 23.4°F (-4.8°C) in February. The highest humidity of 80% typically comes about in January, coupled with substantial snowfall marking at 6.54" (166mm) in December and tapering off to 4.8" (122mm) by February.

Weather in January

January in Garden City, Idaho, USA presents frosty winter conditions, with the lowest temperatures in the entire year. The month is characterized by a relative humidity of 80%, mixed with low temperatures, which contributes to the chill factor. Weather in January »

Weather in February

Relatively warmer conditions compared to January are seen in February, but the month still remains ensconced in winter. The maximum snowfall softens, transitioning from the heavier showers of the past month. Days begin to lengthen slightly but the month discloses a uniquely higher UV index of 2. Weather in February »

Weather in March

Garden City witnesses the early onset of spring in March, with a visible progression from winter cold to mellow temperatures. Although similar to February, the weather pattern begins adjusting towards less snowfall and more rainy days. Weather in March »

Weather in April

April exhibits a significant shift in Garden City’s weather, advancing well into spring with warmer temperatures and longer days. The month is characterized by moderate rainfall but significantly lower relative humidity compared to the previous months. Weather in April »

Weather in May

Heralding the beginning of summer, May reflects a considerable leap in temperatures in Garden City. The city experiences a further decrease in relative humidity and increased sunshine hours, promoting outdoor activities. Rainfall metrics continue to maintain a conservative number especially when compared to winter months. Weather in May »

Weather in June

June in Garden City brings forth the best of summer weather with temperatures hovering in the 70s. There is a significant increase in sunshine duration, transformed into longer, warmer days. The city experiences the year's lowest average rainfall, making it one of the driest months. Weather in June »

Weather in July

The peak of summer is observed in July in Garden City, making it the warmest month with temperatures soaring up to 87.8°F (31°C). The relative humidity goes down to around 30%, one of the lowest in the year. Despite the significant increase in temperatures, rainfall is much lower than during colder months. Weather in July »

Weather in August

August in Garden City retains the summer weather patterns similar to July, though with marginally cooler temperatures. Days in August are long and full of sunshine but subdued wind speeds may result in a bit of discomfort. Compared to all other months, August exhibits a mere 0.24" (6mm) in rainfall — the lowest figure in the year. Weather in August »

Weather in September

September distinctly marks the beginning of fall in Garden City, bringing with it a noticeable decrease in temperatures. This month is charcaterized by shorter days and a decrease in sunshine hours. Nevertheless, the temperatures remain congenially warm, offering locals and tourists idyllic weather conditions for outdoor activities. Weather in September »

Weather in October

October in Garden City brings with it the essence of fall, characterized by cooler daytime temperatures and an increase in rainfall. The month transitions directly from the hot summer, effectuating lower temperatures and lesser daylight hours. Weather in October »

Weather in November

November is a gateway to winter for Garden City, with the weather getting much colder. The month is marked by the shortest daylight hours, signaling the fast-approaching winter. Snowfall makes its debut for the upcoming winter season, with the city observing about 1.73" (44mm) of it. Weather in November »

Weather in December

December encounters the peak of winter in Garden City, similar to January, with low temperatures and significant snowfall. Marked by the shortest daylight hours corresponding to the winter solstice, December also showcases an increase in relative humidity. Weather in December »
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month?

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

How much does it rain?

Throughout the year, there are 116.8 rainfall days, and 15.08" (383mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow in Garden City?

Throughout the year, there are 31.4 snowfall days, and 21.3" (541mm) of snow is accumulated.

What are the months with the lowest UV index?

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

What is the wettest month?

March is the month with the most rainfall. Rain falls for 16.2 days and accumulates 2.2" (56mm) of precipitation.

When is Daylight Saving Time (DST) in Garden City?

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?

May through October are months without snowfall.

When are the longest days?

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

What are the warmest months?

Temperature records mark July as the warmest month, with highs averaging 87.8°F (31°C) and lows at 60.6°F (15.9°C).

What is the least humid month?

The least humid month in Garden City is July, with an average relative humidity of 30%.

What is the driest month?

The month with the least rainfall is July, when the rain falls for 4.5 days and typically collects 0.2" (5mm) of precipitation.

What month has the most sunshine?

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

What is the month with the highest UV index?

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

What is the coldest time of year?

Garden City's December weather, marked by an average high temperature of 34.7°F (1.5°C) and an average low temperature of 23.2°F (-4.9°C), is the coldest in the year.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 9.2 days and accumulates 6.65" (169mm) 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 is December, with an average of 5.5h of sunshine.

Average temperature
Garden City, ID

Average temperature - Garden City, ID

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (34.7°F).

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

Average pressure
Garden City, ID

Average pressure - Garden City, ID

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed
Garden City, ID

Average wind speed - Garden City, ID

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

Average humidity
Garden City, ID

Average humidity - Garden City, ID

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

Average rainfall
Garden City, ID

Average rainfall - Garden City, ID

The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days
Garden City, ID

Average rainfall days - Garden City, ID

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is July (4.5 days).

Average snowfall
Garden City, ID

Average snowfall - Garden City, ID

The month with the highest snowfall is December (6.65").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Garden City, ID

Average snowfall days - Garden City, ID

The month with the highest number of snowfall days is December (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Garden City, ID

Average daylight / Average sunshine - Garden City, 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 30min).

Average sunshine days
Garden City, ID

Average sunshine days - Garden City, ID

The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is March (12.1 days).

Average UV index
Garden City, ID

Average UV index - Garden City, 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
Garden City, ID

Average visibility - Garden City, ID

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Garden City, Idaho, USA

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