Climate and monthly weather forecastFortuna, ND
Climate and monthly weather forecast
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 an average temperature ranging between max 35.4°F (1.9°C) and min 20.8°F (-6.2°C). A clear escalation in the average high-temperature is witnessed with the onset of March, advancing from a freezing cold 19.8°F (-6.8°C) in February to a wintry 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 »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Fortuna, ND
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (19.8°F).
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is February (6.3°F).
Average pressure
Fortuna, ND
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.17"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.83"Hg
- Average pressure in July:
29.89"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed
Fortuna, ND
- Average wind speed in January:
10.4mph - Average wind speed in February:
9.2mph - Average wind speed in March:
10.1mph - Average wind speed in April:
11.1mph - Average wind speed in May:
10.6mph - Average wind speed in June:
10.2mph
- Average wind speed in July:
9.6mph - Average wind speed in August:
9.3mph - Average wind speed in September:
10.2mph - Average wind speed in October:
10.9mph - Average wind speed in November:
10.4mph - Average wind speed in December:
9.9mph
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).
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%).
Average rainfall
Fortuna, ND
- Average rainfall in January:
0.51" - Average rainfall in February:
0.47" - Average rainfall in March:
0.55" - Average rainfall in April:
1.02" - Average rainfall in May:
1.57" - Average rainfall in June:
2.17"
- Average rainfall in July:
1.38" - Average rainfall in August:
0.87" - Average rainfall in September:
1.5" - Average rainfall in October:
0.79" - Average rainfall in November:
0.67" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is June (2.17").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days
Fortuna, ND
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
2.6 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
9.9 days - Average rainfall days in May:
12.5 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
10.4 days - Average rainfall days in August:
9 days - Average rainfall days in September:
8.6 days - Average rainfall days in October:
7.6 days - Average rainfall days in November:
4.6 days - Average rainfall days in December:
3.6 days
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).
Average snowfall
Fortuna, ND
- Average snowfall in January:
2.87" - Average snowfall in February:
3.35" - Average snowfall in March:
2.32" - Average snowfall in April:
1.46" - Average snowfall in May:
0.51" - Average snowfall in June:
0"
The month with the highest snowfall is November (3.74").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Fortuna, ND
- Average snowfall days in January:
12.8 days - Average snowfall days in February:
13.5 days - Average snowfall days in March:
10.8 days - Average snowfall days in April:
4.8 days - Average snowfall days in May:
0.8 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
3.2 days - Average snowfall days in November:
7.6 days - Average snowfall days in December:
13 days
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).
Average daylight / Average sunshine
Fortuna, ND
- Average daylight in January:
8h and 48min - Average daylight in February:
10h and 12min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 18min - Average daylight in June:
16h and 6min
- Average daylight in July:
15h and 42min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 18min
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).
- Average sunshine in January:
4h and 18min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 24min - Average sunshine in April:
8h and 24min - Average sunshine in May:
10h and 0min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
11h and 42min - Average sunshine in August:
11h and 30min - Average sunshine in September:
9h and 54min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 12min
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).
Average sunshine days
Fortuna, ND
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
14 days - Average sunshine days in May:
16.6 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
18 days - Average sunshine days in August:
20.1 days - Average sunshine days in September:
19.6 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
19 days - Average sunshine days in December:
17.2 days
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).
Average UV index
Fortuna, ND
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Fortuna, ND
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 19).
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).





