Climate and monthly weather forecast
Fortuna, ND

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The climate of Fortuna

Fortuna, North Dakota, occupies a geographic position that experiences a Humid Continental Climate, appointed as Dfb in reference to the Köppen climate classification. This signifies that the location possesses no dry season and embraces a warm summer. Over the year, Fortuna’s weather straddles between severe cold to pleasant warmth, with a surrounding of a predominantly humid atmosphere.

Temperatures vary markedly throughout the year, from frosty to mildly hot. The thermometer dips to frigid lows of approximately 7.2°F (-13.8°C) in the coldest times of January, and warms up to a comfortable high of nearly 82°F (27.8°C) around July. Alongside these disparities in terrestrial heat, relative humidity also showcases variation, as it fluctuates from around 88% during the colder periods of January and February to as low as about 46% in the warmer phase of August.

Precipitation in Fortuna exhibits its peaks and troughs as well. Rainfall varies from lower values of 0.47" (12mm) in February to ascends as high as 2.17" (55mm) in June. Accompanying this, snowy conditions are prevalent in the colder months with snowfall reaching as much as 3.74" (95mm) in November while retreating to nil throughout the summer. Unique weather conditions are exhibited in the transitional spring and autumn periods which observe an uptick in rainy and snowy days, whereas sunshine hours peak during the summer stretch.

The best time to visit Fortuna

Future wanderers to Fortuna might prefer to set their itineraries around the season of summer, specifically from late May to September. This period captures the most pleasant weather conditions in the Humid Continental Climate of Fortuna. Sunshine hours average around 15 - 16 hours during the whole stretch, promising ample daylight to sightsee. Additionally, temperatures maintain their stay between the warmest figures of 64.2°F (17.9°C) to 82°F (27.8°C), further nudging the scale towards favorability. While these months are the rainiest in terms of overall precipitation, long daylight hours still manage to dominate.

The worst time to visit Fortuna

Tourists would be advised to avoid the thick of winter in Fortuna, particularly in January and February. The chilling temperatures descend to roughly 7.2°F (-13.8°C) during these periods, making the city's outdoor attractions less inviting. Moreover, the short daylight hours, averaging around 8.8 to 10.2, limit the time spent outside. Snowfall adds to the challenging winter conditions with a substantial deposit of up to 3.35" (85mm) in February.

Spring weather in Fortuna

March to May heralds spring in Fortuna, giving nature an awakening nudge from the wintery sleep. Temperatures begin to ascend from the cold winters, ranging from 20.7°F (-6.3°C) to 64.2°F (17.9°C) for the warmest days and from 6.3°F (-14.3°C) to 46.4°F (8°C) for the frostiest ones. Rainfall starts showing an upsurge from 0.55" (14mm) in March to 1.57" (40mm) by May. Additionally, daylight hours lengthen and sunshine hours increase providing a perfect backdrop for the blooming spring landscape.

Summer weather in Fortuna

Summers in Fortuna (from June to August) bear witness to the most favorable weather conditions. High temperatures maintain their stance from 74.1°F (23.4°C) to 82°F (27.8°C), carefully tiptoeing around extremes and creating a pleasant warmth. Amidst these temperatures, rainfall elevates to its annual high, up to 2.17" (55mm) in June. But sunshine, averaging 10 to 10.8 hours, keeps its consistent presence, making it the preferred season for tourists.

Autumn weather in Fortuna

Autumn in Fortuna indicates the transition from warm summers to cold winters. During this season, temperatures start to descend from relatively warm 70°F (21.1°C) in September down to a cold 36.3°F (2.4°C) in November. During these months, rainfall lessens gradually from 1.5" (38mm) in September to a minimum 0.67" (17mm) in November, while cloudy skies become prevalent capping the daylight hours from 12.6 to 9.2.

Winter weather in Fortuna

Fortuna winters, extending from December till February, are characterized by biting cold and copious snowfall. This phase sees temperatures plummet from a reasonable 21.9°F (-5.6°C) in December to a frigid 7.2°F (-13.8°C) by January end, while snowfall persists for a substantial part of these months with an average of about 3" (76mm) in December and February.

Weather in January

In the heart of winter, Fortuna, North Dakota, sees its chilliest days. The mercury barely reaches 20.7°F (-6.3°C), plunging to a frigid 7.2°F (-13.8°C) at night. The snow piles up to be about 2.87" (73mm), enveloping the city in a beautiful, white winter wonderland. Weather in January »

Weather in February

February brings a near continuation of January's conditions, albeit with a slight easing of the bitter temperatures. Snow still prominently features in the forecast with an accumulation of 3.35" (85mm). While the city stays cloaked in white, it also sees a slight uplift in daylight hours to 10.2 hours. Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Fortuna, North Dakota, with temperature in the range of an average low of 20.8°F (-6.2°C) and an average high of 35.4°F (1.9°C). March's onset witnesses a marked shift in the average high-temperature, moving from a freezing cold 19.8°F (-6.8°C) in February to a cold 35.4°F (1.9°C). Weather in March »

Weather in April

April's weather carries the promise of spring to Fortuna, marked by a rise in temperatures and longer daylight hours. The city experiences a notable increase in rain, transitioning from snow flurries to rain showers. Greenery begins to flourish as the last remnants of winter disappear, offering a revitalizing change of scenery. Weather in April »

Weather in May

May marks a significant change in weather conditions in Fortuna, with the arrival of spring in full swing. The temperatures climb to a high of 64.2°F (17.9°C), and the daylight hours remain extended at 15.3 hours. Rainfall also increases significantly, nurturing the lush greenery across the city. Weather in May »

Weather in June

June in Fortuna is characterized by warming temperatures and the beginning of the much-loved summer season. With summers not being overwhelmingly hot, reaching a peak of 74.1°F (23.4°C), residents often partake in a wide array of outdoor activities. Weather in June »

Weather in July

July marks the height of summer in Fortuna, with locals enjoying the warmest temperatures of the year, topping at 82°F (27.8°C). As the heat wave hits, it's not uncommon to find locals at the local lake or enjoing a barbecue. Despite the higher temperature, July also witnesses the blow of the freshest wind, blowing at 9.6mph (15.4km/h), providing a welcome respite. Weather in July »

Weather in August

August continues the summer tradition of warm temperatures, registering a high of 81.3°F (27.4°C), only marginally lower than July's peak. However, rainfalls drop significantly to 0.87" (22mm), making it the driest month of the year. Weather in August »

Weather in September

September ushers in the admirable season of fall in Fortuna. The temperature drops to a pleasant 70°F (21.1°C), signaling the onset of cooler days ahead. While rainfall stands at 1.5" (38mm), this month is particularly known for its beautiful autumnal landscapes, with leaves changing colors to produce picturesque views. Weather in September »

Weather in October

October in Fortuna witnesses a profound drop in temperature, with the highest standing at 52.7°F (11.5°C). The city frequently experiences overcast skies, while the fall foliage reaches its full glory. Despite the waning daylight hours, the display of autumnal colors throughout the town grants it an enchanting appeal. Weather in October »

Weather in November

The arrival of November signals a cold change in Fortuna's weather, as the city prepares for the imminent winter. A significant reduction in temperature is observed, dropping to a high of 36.3°F (2.4°C), bringing a chilly edge to the fall air. Weather in November »

Weather in December

December brings the winter season full circle, with Fortuna submerged into freezing temperatures. December only allows the temperature to climb to 21.9°F (-5.6°C) at best, while the snowfall accumulates to 3.19" (81mm). The snow cover returns, providing a classic white Christmas scene that the residents of Fortuna are familiar with. Weather in December »
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Frequently asked questions

What are the most humid months in Fortuna?

January and February, with an average relative humidity of 88%, are most humid months.

How many days does it rain in Fortuna?

In Fortuna, during the entire year, the rain falls for 93.3 days and collects up to 12.01" (305mm) of precipitation.

When does it snow in Fortuna?

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

How many days does it snow in Fortuna?

In Fortuna, during the entire year, snow falls for 66.5 days and aggregates up to 19.02" (483mm) of snow.

What is the coldest month in Fortuna?

In Fortuna, North Dakota, the lowest temperatures are generally noted in February, averaging a high of 19.8°F (-6.8°C) and a low of 6.3°F (-14.3°C).

What is the driest month in Fortuna?

The month with the least rainfall in Fortuna, North Dakota, is February, when the rain falls for 2.6 days and typically collects 0.47" (12mm) of precipitation.

What is the month with the least sunshine in Fortuna?

With an average of 3.9h of sunshine, February has the least sunshine of the year in Fortuna, North Dakota.

What is the month with the lowest UV index in Fortuna?

The month with the lowest UV index in Fortuna, North Dakota, is February, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Fortuna?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Fortuna, North Dakota, 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 Fortuna?

June is the month with the most rainfall. Rain falls for 13.9 days and accumulates 2.17" (55mm) of precipitation.

When it does not snow in Fortuna?

June through September are months without snowfall in Fortuna.

When are the longest days in Fortuna?

June has the longest days of the year in Fortuna, with an average of 16h and 6min of daylight.

What time of the year is the hottest in Fortuna?

The highest temperatures are recorded in July, with averages reaching a high of 82°F (27.8°C) and a low of 61°F (16.1°C).

What month has the most sunshine in Fortuna?

July has the most sunshine of the year, with an average of 11.7h of sunshine.

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

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

What is the least humid month in Fortuna?

August is the least humid month in Fortuna, North Dakota, with an average relative humidity of 46%.

When does it snow the most in Fortuna?

November is the month with the most snowfall in Fortuna. Snow falls for 7.6 days and accumulates 3.74" (95mm) of snow.

What is the month with the shortest days in Fortuna?

December has the shortest days of the year in Fortuna, with an average of 8h and 18min of daylight.

Average pressure
Fortuna, ND

Average pressure - Fortuna, ND

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed
Fortuna, ND

Average wind speed - Fortuna, ND

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is February (9.2mph).

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Average humidity
Fortuna, ND

Average humidity - Fortuna, ND

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is August (46%).

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Average rainfall
Fortuna, ND

Average rainfall - Fortuna, ND

The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is February (0.47").

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Average rainfall days
Fortuna, ND

Average rainfall days - Fortuna, ND

The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.6 days).

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Average snowfall
Fortuna, ND

Average snowfall - Fortuna, ND

The month with the highest snowfall is November (3.74").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Fortuna, ND

Average snowfall days - Fortuna, ND

The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Fortuna, ND

Average daylight / Average sunshine - Fortuna, ND

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

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Average sunshine days
Fortuna, ND

Average sunshine days - Fortuna, ND

The month with the most sunshine days is August (20.1 days).
The months with the least sunshine days are February and June (13.8 days).

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Average visibility
Fortuna, ND

Average visibility - Fortuna, 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).

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Fortuna, North Dakota, USA

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