Climate and monthly weather forecast
Hillsboro, ND

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The climate of Hillsboro

Given its geographical position, Hillsboro, North Dakota, USA falls under the Dfb, Humid Continental Köppen climate classification. This indicates a climate characterized by no dry season, a warm summer, and a wide range of weather conditions throughout the year. While the Dfb is known for its distinct seasons, the variations are highlighted by the data provided.

Throughout the year, Hillsboro exhibits a climate of extreme seasonality. January typically registers the coldest temperatures, with high averages at 15.6°F (-9.1°C) and lows at 1.6°F (-16.9°C). By contrast, the hottest times usually occur in July and August, with highs averaging between 80.4°F (26.9°C) and 81.1°F (27.3°C) and lows from 59.4°F (15.2°C) to 60.8°F (16°C).

Precipitation in Hillsboro demonstrates significant fluctuation during the year. Rainfall averages range from 0.59" (15mm) in the winter months to a high of 3.46" (88mm) recorded in June. Compared to the rest of the year, this period is notably distinguished by the increased frequency of rain, peaking at 17.2 days per month.

Winter months in Hillsboro are particularly distinctive due to recorded snowfall. Snow starts to descend as early as October, sets in by December with 2.44" (62mm), and peaks in January with 4.53" (115mm), before tapering off in March. Snowfall days follow a similar pattern, displaying a strong correlation with the amount of snowfall.

The best time to visit Hillsboro

Hillsboro delivers its most agreeable weather conditions, ideal for visitation, from late spring, through the summer, up to early autumn. Particularly May to September offer circulating temperatures from 50.5°F (10.3°C) to 81.1°F (27.3°C) and reduced precipitation. Daylight hours are also significantly longer during this period from 13.7 hours to 15.9 hours, offering more opportunities for outdoor activities. Heat discomfort is minimal as the ultraviolet index ranges from 3 to 6 and relative humidity oscillates between 61% and 76%.

The worst time to visit Hillsboro

The least opportune time to visit Hillsboro would be in the winter months, from late November to early March. This period is characterized by extreme cold, with average low temperatures registering from 1.6°F (-16.9°C) to 25.2°F (-3.8°C). Moreover, these months observe higher instances of snowfall, averaging from 2.44" (62mm) to 4.53" (115mm) and decreased daylight hours from 8.5 hours to 9.3 hours, which may limit outdoor activities.

Spring weather in Hillsboro

In Hillsboro, the spring season, specifically from March to May, is marked by steadily increasing temperatures. The highs in this season average from 34.3°F (1.3°C) to 65.5°F (18.6°C), while the lows go from 20.7°F (-6.3°C) to 48.2°F (9°C). Rainfall in spring also increases gradually from 0.98" (25mm) to 2.24" (57mm). With daylight hours growing from 11.9 hours to 15.1 hours and the UV index rising from 2 to 5, the spring season introduces longer, warmer days following the extreme winter.

Summer weather in Hillsboro

The summer season in Hillsboro, which spans June to August, is characterized by high temperatures, averaging from 73.9°F (23.3°C) to 81.1°F (27.3°C) and lows from 56.5°F (13.6°C) to 60.8°F (16°C). June welcomes the highest rainfall with 3.46" (88mm), but drops to 2.05" (52mm) and 1.57" (40mm) in July and August respectively. Daylight hours are at their peak from 15.9 hours to 15.5 hours. This period boasts the greatest UV index, reaching up to 6.

Autumn weather in Hillsboro

Autumn, taking place from September to November, invites a lowering of temperature, from highs averaging 71.1°F (21.7°C) to 36.5°F (2.5°C) and lows decreasing from 52.3°F (11.3°C) to 25.2°F (-3.8°C). Rainfall is more moderate in this season ranging from 1.73" (44mm) to 0.63" (16mm) compared to the summer months. Daylight hours drop from 12.5 hours to 9.3 hours, shrinking by the day.

Winter weather in Hillsboro

Winter, from December through February, brings in the coldest period of the year. Highs drop to 19.9°F (-6.7°C) in December and rise slightly to 15.6°F (-9.1°C) by February. Lows register at 8.6°F (-13°C), descending as low as 1.6°F (-16.9°C). This period observes the most snowfall of the year from 2.44" (62mm) to 3.62" (92mm) in January. Its daylight hours are the shortest, from 9.3 hours to 8.5 hours. In this frosty period, the UV index drops to 1, the lowest point of the year.

Weather in January

In the Hillsboro region, January typically marks the cold depths of winter. Highs linger around 15.6°F (-9.1°C) and can even sink towards the icy lows of 1.6°F (-16.9°C). Frequent snowfall characterizes this month, transforming the landscape into a winter wonderland. Weather in January »

Weather in February

Moving into February, there's a noticeable yet subtle increase in temperatures compared to January. The air remains frigid, accompanied by plentiful snowfall defining the city's winter scenery. The lengthening days start to signal the impending shift towards spring. Weather in February »

Weather in March

March witnesses an important transition in Hillsboro, marking the end of snow-filled scenes as temperatures edge towards 34.3°F (1.3°C) highs and 20.7°F (-6.3°C) lows. Steadily increasing daylight hours offer greater opportunities for enjoying outdoor activities. Weather in March »

Weather in April

In April, the changing weather patterns become prominent, as winter gives way to more favorable spring conditions. With pleasant highs around 50.5°F (10.3°C), this month witnesses a significant uplift in temperatures, coupling with the verdant blossoming of spring. Weather in April »

Weather in May

May brings a sense of serenity to Hillsboro as the city basks in extended sunshine hours and comfortable temperatures peaking at 65.5°F (18.6°C). It's the perfect occasion for local festivities and outdoor events as the weather often remains stable and pleasant. Weather in May »

Weather in June

June is known for the welcoming warmth, marking the start of summer. Sunny days become more frequent in Hillsboro, contributing to overall warmer temperatures, hovering around 73.9°F (23.3°C) in highs. The city’s lush landscapes flourish under the benevolent sunlight, inviting residents and visitors outdoors to enjoy various activities. Weather in June »

Weather in July

The dog days of summer arrive in Hillsboro, North Dakota, with July reaching its highest temperature peak at 80.4°F (26.9°C). The daylight hours are at their peak, enhancing recreational time outside for residents and visitors. While the heat of the day is quite pronounced, the evenings usually bring a mild and welcoming respite. Weather in July »

Weather in August

August is another warm month in Hillsboro, with weather conditions very similar to July. As the summer season nears its end, residents make the most out of the warmth with an abundance of open-air activities. Picnics in the parks, cycling around the city, or simply strolling around, soaking up the sun rays amidst mild breezes, are frequent. Weather in August »

Weather in September

September brings a subtle onset of autumn as the temperatures gently drop from the summer highs to an average around 71.1°F (21.7°C). The colors of leaves start to change, filling the city's landscapes with shades of gold and red. Weather in September »

Weather in October

October marks a distinct arrival of fall in Hillsboro, North Dakota. The transformation of the foliage from green to vibrant hues of oranges, yellows, and reds create breathtaking panoramas. The cooler weather and frequent rain showers enhance the fall experience, creating a serene atmosphere throughout the city. Weather in October »

Weather in November

November is synonymous with the arrival of colder weather and shorter days in Hillsboro. The weather starts shifting towards winter conditions, with temperatures that begin to hover around the 36.5°F (2.5°C) mark during the day. Weather in November »

Weather in December

December brings Hillsboro, North Dakota into the full embrace of winter, with temperatures often dropping to daily lows of 8.6°F (-13°C). The city streets and landscapes are often mantled in snow, creating picturesque winter vistas. Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Hillsboro?

During the coldest month in Hillsboro, January, temperatures average a high of 15.6°F (-9.1°C) and a low of 1.6°F (-16.9°C).

What is the most humid month in Hillsboro?

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

What is the driest month in Hillsboro?

January and February are months with the least rain in Hillsboro when the rain falls for 2.5 days and typically aggregates up to 0.59" (15mm) of rain.

How much does it rain in Hillsboro?

In Hillsboro, during the entire year, the rain falls for 103 days and collects up to 18.35" (466mm) of precipitation.

When does it snow in Hillsboro?

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

How many days does it snow in Hillsboro?

Throughout the year, in Hillsboro, there are 68 snowfall days, and 22.13" (562mm) of snow is accumulated.

What is the month with the least sunshine in Hillsboro?

The month with the least sunshine in Hillsboro is January, with an average of 3.1h of sunshine.

When is the lowest UV index in Hillsboro?

The months with the lowest UV index in Hillsboro are January, November and December, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Hillsboro?

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 wettest month in Hillsboro?

June is the month with the most rainfall in Hillsboro. Rain falls for 17.2 days and accumulates 3.46" (88mm) of precipitation.

When it does not snow in Hillsboro?

June through September are months without snowfall.

When are the longest days in Hillsboro?

With an average of 15h and 54min of daylight, June has the longest days of the year in Hillsboro.

What are the months with the highest UV index in Hillsboro?

The months with the highest UV index in Hillsboro are June and July, with an average maximum UV index of 6.

What month has the most sunshine in Hillsboro?

July has the most sunshine of the year in Hillsboro, North Dakota, with an average of 10.8h of sunshine.

What is the warmest month in Hillsboro?

August is the warmest month in Hillsboro, with the temperature often reaching an average high of 81.1°F (27.3°C) and an average low of 59.4°F (15.2°C).

What is the least humid month in Hillsboro?

The least humid month in Hillsboro, North Dakota, is August, with an average relative humidity of 61%.

What is the snowiest month in Hillsboro?

December is the month with the most snowfall in Hillsboro. Snow falls for 14.6 days and accumulates 4.53" (115mm) of snow.

What is the month with the shortest days in Hillsboro?

December has the shortest days of the year in Hillsboro, with an average of 8h and 30min of daylight.

Average temperature
Hillsboro, ND

Average temperature - Hillsboro, ND

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is January (15.6°F).

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (1.6°F).

Average pressure
Hillsboro, ND

Average pressure - Hillsboro, ND

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed
Hillsboro, ND

Average wind speed - Hillsboro, ND

The windiest month (with the highest average wind speed) is October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

Average humidity
Hillsboro, ND

Average humidity - Hillsboro, ND

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (61%).

Average rainfall
Hillsboro, ND

Average rainfall - Hillsboro, ND

The wettest month (with the highest rainfall) is June (3.46").
The driest months (with the least rainfall) are January and February (0.59").

Average rainfall days
Hillsboro, ND

Average rainfall days - Hillsboro, ND

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.2 days).

Average snowfall
Hillsboro, ND

Average snowfall - Hillsboro, ND

The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Hillsboro, ND

Average snowfall days - Hillsboro, ND

The month with the highest number of snowfall days is December (14.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Hillsboro, ND

Average daylight / Average sunshine - Hillsboro, ND

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days
Hillsboro, ND

Average sunshine days - Hillsboro, ND

The month with the most sunshine days is September (20.1 days).
The month with the least sunshine days is June (10.2 days).

Average UV index
Hillsboro, ND

Average UV index - Hillsboro, ND

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average visibility
Hillsboro, ND

Average visibility - Hillsboro, ND

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, March and December (5mi).

Hillsboro, North Dakota, USA

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