Climate and monthly weather forecast
Stanley, ND

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The climate of Stanley

Stanley, North Dakota, USA, is classified under the Dfb Köppen climate classification, indicating a humid continental climate with no dry season, and warm summer. This location, well sheltered by the vast latitude of North America, proffers a variety of weather conditions throughout the year, revealing the whimsical charm of Mother Nature. Over a 12-month period, Stanley enjoys a fluctuation of average temperatures from 5.7°F (-14.6°C) to 82°F (27.8°C), thus hosting both the crispy chills of winter and the mild warmth of summer.

The humidity levels vary from 52% in August to 90% in January which affects the feel of temperatures throughout the year. The recorded rainfall per annum extends from a minimum of 0.24" (6mm) in December to a maximum of 1.18" (30mm) in June. This highlights an interesting pattern. There are more rainfall days in June than in any other month, yet the actual volume of rain is not significantly more. While snowfall is prevalent from October to April, no snowfall records are made from May to September. Another noteworthy feature is the high levels of daylight and sunshine experienced in Stanley. The average daylight hours swing from a low of 8.4 hours in December to a generous 16 hours in June.

The pressure variations are relatively modest throughout the year ranging from 29.84" (758mm) to 30.17" (766mm). Winds speeds range from an average of 8.6mph (13.8km/h) to 10.7mph (17.2km/h) with the wind gusts extending from 13.1mph (21.1km/h) up to 17.1mph (27.5km/h). Hence, the winds can occasionally reach higher speeds, adding to the feel of the temperatures.

The best time to visit Stanley

Tourists who intend to luxuriate in delightfully warm weather should make their visit between May and September when average high temperatures hover between 64.2°F (17.9°C) to 82°F (27.8°C), and rainfall is relatively low. This is the time when Stanley exhibits its best outdoor weather. The number of daylight hours peaks in these months, reaching an ample 16 hours in June, guaranteeing more time to relish the outdoors. Correspondingly, this period displays an abundance of sunshine hours with a peak of 11.3 hours in July.

The worst time to visit Stanley

The locals in Stanley are no stranger to harsh winters, given the significant drop in temperatures from October to March. Planning a vacation during this period might not be ideal as the temperatures often fall to a chilling 5.7°F (-14.6°C) in January. Furthermore, snowfall is a typical occurrence in these months. Regardless of snowfall days hovering around 9 to 10 days per month from December to February, the temperatures make it incredibly challenging for outdoor activities.

Spring weather in Stanley

Spring ushers in a fresh wave of warmth and bloom after the persistent cold. The temperatures during this time sprout from a minimum of 21.7°F (-5.7°C) in March to 46°F (7.8°C) by May. Snowfall inches, notably, begin to decline during this period. As Spring progresses, the sun graces Stanley with increasing daylight and sunshine hours, reaching up to 15.2 hours and 9.6 hours, respectively, by May.

Summer weather in Stanley

The cherished summer months, from June to August, tend to boast maximum average temperatures between 74.1°F (23.4°C) to 82°F (27.8°C). June also marks the year's rainy season bringing 1.18" (30mm) of rainfall. Nevertheless, Stanley enjoys longer daylight hours and increased sunshine time during these warmer months, thereby lightening the impact of rain.

Autumn weather in Stanley

Autumn in Stanley nears perfection as the temperatures cool down gradually from 70.7°F (21.5°C) in September to 37°F (2.8°C) in November. Rainfall regresses to reasonably low levels. Though the daylight hours start decreasing, the sun continues to shine reasonably long until the end of the season.

Winter weather in Stanley

Winter sets in December, and carries with it short daylight hours, dropping to 8.4 hours by year's end and temperatures scaling down to 5.7°F (-14.6°C) in January. Snowfall persists throughout the winter months, keeping Stanley engrossed in a beautiful snow blanket until March.

Weather in January

January is the beginning of the year in Stanley, North Dakota and it sets the tone for the coming months. The weather here is frigid with occasional drizzle, making it vital to layer up. Stepping out without a proper winter gear in this month is not advisable as the lowest temperature recorded is 5.7°F (-14.6°C). Weather in January »

Weather in February

The weather in February doesn’t differ from January by much in Stanley, this North Dakota city. The mercury remains surprisingly low and the winters continue to dominate, providing a striking winterscape to enjoy from the warmth of the indoors. Weather in February »

Weather in March

In March, Stanley, North Dakota welcomes the start of Spring season. The winter retreats, making way for relatively warmer weather, a clear indication of changing seasons. Ski enthusiasts will particularly enjoy this month due to the recorded snowfall of 1.06" (27mm) observed in March. Weather in March »

Weather in April

April marks the transition from spring to summer in Stanley, North Dakota. The city shakes off the last of the winter chills and welcomes in the blooming flowers of spring. This month records rainfall at its fourth highest rate at 0.55" (14mm), offering the surrounding flora a fresh lease of life. Weather in April »

Weather in May

In May, people in Stanley, North Dakota start prepping for the upcoming summer season. The weather is pleasant and outdoor activities are plentiful owing to comfortable temperatures and more sunshine. May is a month of showers, providing the city with its second highest average rainfall of 0.71" (18mm). Weather in May »

Weather in June

June invigorates Stanley, North Dakota with full-fledged summer heat. There is an increase in outdoor activities as parks and lakes become busier. The highest temperature recorded in the city is 74.1°F (23.4°C), making it a pleasant month for barbecues, picnics and other outdoor gatherings. Weather in June »

Weather in July

July is the heart of summer in Stanley, North Dakota. The city vibrates with energy, as temperatures reach their peak and rainfall is moderate. The month sees the highest temperature of the year at 82°F (27.8°C), making it the hottest month of the year for Stanley. Weather in July »

Weather in August

In August, the weather in Stanley, North Dakota continues to bask in the summer's glory. It gives the residents a chance to savor the last bit of summer before autumn rolls in. The rainfall of 0.75" (19mm) that this month witnesses, allows the greenery around to flourish beautifully. Weather in August »

Weather in September

September in Stanley, North Dakota is the cusp of transitioning from summer to autumn. The city begins to experience cooler weather, indicating the onset of fall. The recorded rainfall shoots up to 0.94" (24mm), the third highest for the year, offering an opportune time to indulge in relaxing walks to enjoy the crisp air. Weather in September »

Weather in October

October in Stanley, North Dakota brings with it the signs of winter approaching. Sweaters and jackets make a comeback as temperatures steadily decrease. The 0.59" (15mm) of snowfall experienced this month is a reminder of the winter's onset, transforming the landscape into a mish-mash of fall and winter colors. Weather in October »

Weather in November

In November, Stanley, North Dakota enters late autumn and the weather becomes substantially colder, signaling that winter is approaching. People start to prepare for the frosts and the snowflakes that will soon fall. The snowfall reaches 1.02" (26mm) this month, embracing Stanley with a winter wonderland look. Weather in November »

Weather in December

December sees Stanley, North Dakota at its wintriest peak. The city enters a deep freeze and outdoor activities decrease significantly. With a recorded lowest temperature of 10°F (-12.2°C), it’s evident that Stanley is amidst full-fledged winter. Weather in December »
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

The lowest temperatures are recorded in January, with averages reaching a high of 19.8°F (-6.8°C) and a low of 5.7°F (-14.6°C).

What is the most humid month?

January is the most humid month in Stanley, with an average relative humidity of 90%.

What is the driest month?

The months with the least rainfall are January and February Rain falls for 1.9 days and accumulates 0.2" (5mm) of rain.

How much does it rain?

In Stanley, during the entire year, the rain falls for 69.9 days and collects up to 6.77" (172mm) of precipitation.

When does it snow?

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

How much does it snow?

In Stanley, North Dakota, during the entire year, snow falls for 55.5 days and aggregates up to 6.46" (164mm) of snow.

What are the months with the least sunshine?

January and December, with an average of 3.9h of sunshine, are months with the least sunshine.

When is the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 10.8 days and typically aggregates up to 1.14" (29mm) of snow.

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 CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the rainiest month?

The month with the most rainfall is June, when the rain falls for 11.3 days and typically aggregates up to 1.18" (30mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

June has the longest days of the year, with an average of 16h and 0min of daylight.

What part of the year is the hottest?

In Stanley, July is known for its average highest temperatures, reaching a high of 82°F (27.8°C) and a low of 59.5°F (15.3°C).

What month has the most sunshine?

July has the most sunshine of the year, with an average of 11.3h of sunshine.

When is the highest UV index?

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

What is the least humid month?

With an average relative humidity of 52%, August is the least humid month.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 8h and 24min of daylight.

Average pressure
Stanley, ND

Average pressure - Stanley, ND

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed
Stanley, ND

Average wind speed - Stanley, ND

The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).

Average humidity
Stanley, ND

Average humidity - Stanley, ND

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (52%).

Average rainfall
Stanley, ND

Average rainfall - Stanley, ND

The wettest month (with the highest rainfall) is June (1.18").
The driest months (with the least rainfall) are January and February (0.2").

Average rainfall days
Stanley, ND

Average rainfall days - Stanley, ND

The month with the highest number of rainy days is June (11.3 days).
The month with the least rainy days is February (1.6 days).

Average snowfall
Stanley, ND

Average snowfall - Stanley, ND

The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Stanley, ND

Average snowfall days - Stanley, ND

The month with the highest number of snowfall days is December (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Stanley, ND

Average daylight / Average sunshine - Stanley, ND

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).

Average sunshine days
Stanley, ND

Average sunshine days - Stanley, ND

The month with the most sunshine days is November (22.7 days).
The month with the least sunshine days is June (15.7 days).

Average UV index
Stanley, ND

Average UV index - Stanley, ND

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average visibility
Stanley, ND

Average visibility - Stanley, ND

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

Stanley, North Dakota, USA

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