Climate and monthly weather forecastDubois, WY
Climate and monthly weather forecast
The climate of Dubois
Dubois, Wyoming, is situated in the Köppen climate zone classified as Dfc, denoting a subarctic climate. The area, characterized by a severe winter, cool summer, and no dry season, is greatly influenced by the geographical position.The general weather is inclined towards colder temperatures ranging from 10.4°F (-12°C) as the lowest in winter to 73.8°F (23.2°C) as the highest in summer. Annual variations of temperature depict a gradual rise from the beginning of the year, achieving the peak in July and August, and then decreasing gradually towards the year-end. A similar pattern of variance can also be seen in the hours of daylight, reaching up to 15.4 hours in the middle of the year.
The humidity relative ranges from 41% in the mid-year to 79% at the start and end of the year, showing a noteworthy dip during the summer months. Regarding precipitation, the months from April to May receive the most rainfall, from 1.26" (32mm) to 1.46" (37mm) respectively, while December experiences the least at 0.39" (10mm). Snowfall occurs mainly from December to April, with the maximum snowfall of 6.54" (166mm) in April.
The best time to visit Dubois
Those seeking to enjoy the warmth should aim to visit between June and August when temperatures generally remain between 64.2°F (17.9°C) and 73.8°F (23.2°C). This period coincides with the maximum daylight hours reaching up to 15.4 hours in June. Humidity is at its lowest during these months, ranging from 41% to 50%, ensuring a comfortable stay. However, rainfall is comparatively high, fluctuating between 0.83" (21mm) in July to 0.94" (24mm) in June.The worst time to visit Dubois
Visitors are advised to skip the months between December and February, as these are the most challenging due to severe cold, with temperatures dropping as low as 10.4°F (-12°C) in January. Snowfall is also high, reaching up to 4.25" (108mm) in February. The limited daylight hours from 9 hours in December to 10.5 hours in February further add to the harsh weather conditions.Spring weather in Dubois
Spring ushers in a gradual rise in temperatures from 33.8°F (1°C) in March to 50.2°F (10.1°C) in May. The hours of daylight increase steadily from 12 hours in March to 14.7 hours in May. Rainfall also starts to intensify during spring, culminating at 1.46" (37mm) in May, marking the transition into summer. Snowfall begins to subside after peaking in April at 6.54" (166mm).Summer weather in Dubois
The temperature during the summer period from June to August ranges from 64.2°F (17.9°C) to 73.8°F (23.2°C). Daylight hours are voluminous, reaching an optimum of 15.4 hours in June. Rainfall during these months fluctuates around 0.83" (21mm) to 0.94" (24mm). Interestingly, summer displays a significant drop in humidity, making it comfortable despite the higher temperatures.Autumn weather in Dubois
The autumn season from September to November sees a gradual drop in temperature from 63.1°F (17.3°C) to 34.5°F (1.4°C), with daylight hours also reducing to 9.7 hours in November. Rainfall remains consistent during this time, ranging around 0.55" (14mm) to 0.71" (18mm). Snowfall commences in November, starting with 3.7" (94mm).Winter weather in Dubois
Winter brings a sharp decline in temperatures, with the lowest being 10.4°F (-12°C) in January. The daylight hours are limited, with the lowest at 9 hours in December. Snowfall is prominent during these months, with the utmost amount of 4.25" (108mm) in February. Rainfall registers the lowest amount of 0.39" (10mm) during December.Weather in January
The start of the year in Dubois, Wyoming, observes chilled weather with snow filling the air regularly. January experiences an average daily high temperature of 26.8°F (-2.9°C) and a low of 10.4°F (-12°C). The climate is mostly humid, characterized by frost-laden mornings. Weather in January »Weather in February
The progression from January to February in Dubois sees a slight increase in temperature but remains within the realms of a typical frosty winter. Canopies of dense clouds often dominate the February sky, pressing down the mercury to an average low of 9°F (-12.8°C), colder than January. Weather in February »Weather in March
As the chill of February gives way to March, a marginal decrease in snowfall can be observed, marking the onset of Spring in Dubois. The regular snowfall of above 4" (102mm) that was a usual sight in February, suddenly drops to a low in March. Weather in March »Weather in April
April brings along a feeling of rejuvenation in Dubois. The raw cold of winter mellows down into a cool and pleasant spring with an average low temperature rising to 21.9°F (-5.6°C). The rainfall in April equals 1.26" (32mm), indicating a shift in the type of precipitation. Weather in April »Weather in May
May in Dubois draws the curtains on the winters. An enhancement in rainfall marks the advent of blossoming flowers and verdant landscapes. Despite being a bridge between spring and summer, May records a high of 50.2°F (10.1°C), a significant jump from the temperatures in April. Weather in May »Weather in June
June in Dubois means that the sizzling summer is officially here. With temperatures clambering above 60°F (15.6°C), the comfortable spring weather makes way for a fetching summer. A modest rainfall of less than an inch persists, but it only adds to the appeal of the glorious Wyoming summer. Weather in June »Weather in July
July in Dubois is similar to June but records the maximum temperatures, hovering between 73.8°F (23.2°C) to 47.7°F (8.7°C). Sensibly, the sun decides to notch up its performance too, beaming down for the maximum number of hours in a day. Weather in July »Weather in August
The weather in August continues on the summer palette but initiates a gradual cool-down when compared to July. While no snowfall is recorded, the average rainfall does experience a slight increase. The wind speed sees a slight reduction, leading to serene evenings and tranquil mornings. Weather in August »Weather in September
September serves as a bridge between the heat of August and the autumn chill of October. This month experiences a decrease in rainfall, having just 0.71" (18mm) on average. The arrival of fall in September sees a slight increase in cloud cover, painting vivid landscapes filled with hues of yellow, orange, and red. Weather in September »Weather in October
October in Dubois is characterized by a marked shift from the bright fall weather to the onset of winter chills. Weather patterns reveal a subsequent drop in temperatures, establishing it as a transition month to winter. A blend of gentle sunlight and breezy winds enhance the beauty of the city's fall colors. Weather in October »Weather in November
November witnesses a shift from the mellow fall to the harsh winter, bringing a significant change in weather patterns. There's a distinct dip in temperatures from the previous month, plunging the lows to around 18.1°F (-7.7°C). Weather in November »Weather in December
December in Dubois heralds the return of a full-fledged winter. The temperature varies from a high of 24.4°F (-4.2°C) to a low of 8.2°F (-13.2°C), making it one of the chilliest months of the year. The snowfall resumes its dominant position, covering the town in a pristine white layer. Weather in December »Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The month with the least rainfall is January, when the rain falls for 7.8 days and typically collects 0.35" (9mm) of precipitation.
Throughout the year, there are 118.1 rainfall days, and 9.06" (230mm) of precipitation is accumulated.
January through June, September through December are months with snowfall.
Throughout the year, there are 81 snowfall days, and 30.83" (783mm) of snow is accumulated.
January and December, with an average of 6.8h of sunshine, are months with the least sunshine.
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
February is the most humid month, with an average relative humidity of 79%.
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.
April is the month with the most snowfall. Snow falls for 10.4 days and accumulates 6.54" (166mm) of snow.
The month with the most rainfall is May, when the rain falls for 14.4 days and typically aggregates up to 1.46" (37mm) of precipitation.
With an average of 15h and 24min of daylight, June has the longest days of the year.
July, on average, is the warmest month, registering a high temperature of 73.8°F (23.2°C) and a low of 47.7°F (8.7°C).
July and August are months without snowfall in Dubois, Wyoming.
With an average of 11.9h of sunshine, July has the most sunshine of the year.
July is the month with the highest UV index, with an average maximum UV index of 5.
The least humid month in Dubois is August, with an average relative humidity of 41%.
Dubois's December weather, marked by an average high temperature of 24.4°F (-4.2°C) and an average low temperature of 8.2°F (-13.2°C), is the coldest in the year.
The month with the shortest days in Dubois is December, with an average of 9h and 0min of daylight.
Average temperature
Dubois, WY
The warmest month (with the highest average high temperature) is July (73.8°F).
The month with the lowest average high temperature is December (24.4°F).
The month with the highest average low temperature is July (47.7°F).
The coldest month (with the lowest average low temperature) is December (8.2°F).
Average pressure
Dubois, WY
- Average pressure in January:
30.23"Hg - Average pressure in February:
30.14"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.21"Hg
The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Dubois, WY
- Average wind speed in January:
9.1mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.5mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.1mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.6mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity
Dubois, WY
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (41%).
Average rainfall
Dubois, WY
- Average rainfall in January:
0.35" - Average rainfall in February:
0.63" - Average rainfall in March:
0.75" - Average rainfall in April:
1.26" - Average rainfall in May:
1.46" - Average rainfall in June:
0.94"
- Average rainfall in July:
0.83" - Average rainfall in August:
0.67" - Average rainfall in September:
0.71" - Average rainfall in October:
0.55" - Average rainfall in November:
0.51" - Average rainfall in December:
0.39"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days
Dubois, WY
- Average rainfall days in January:
7.8 days - Average rainfall days in February:
8.4 days - Average rainfall days in March:
10.9 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
11.3 days
- Average rainfall days in July:
12.4 days - Average rainfall days in August:
10.4 days - Average rainfall days in September:
7.5 days - Average rainfall days in October:
7.3 days - Average rainfall days in November:
7 days - Average rainfall days in December:
9.4 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is November (7 days).
Average snowfall
Dubois, WY
- Average snowfall in January:
2.6" - Average snowfall in February:
4.25" - Average snowfall in March:
4.76" - Average snowfall in April:
6.54" - Average snowfall in May:
2.99" - Average snowfall in June:
0.04"
The month with the highest snowfall is April (6.54").
The months with the least snowfall are July and August (0").
Average snowfall days
Dubois, WY
- Average snowfall days in January:
10.9 days - Average snowfall days in February:
13.9 days - Average snowfall days in March:
14.1 days - Average snowfall days in April:
10.4 days - Average snowfall days in May:
4.5 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.5 days - Average snowfall days in October:
5.9 days - Average snowfall days in November:
8.4 days - Average snowfall days in December:
12.3 days
The month with the highest number of snowfall days is March (14.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Dubois, WY
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
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).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
6h and 54min - Average sunshine in March:
8h and 42min - Average sunshine in April:
10h and 18min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 30min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 48min - Average sunshine in September:
10h and 42min - Average sunshine in October:
7h and 12min - Average sunshine in November:
7h and 6min - Average sunshine in December:
6h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).
Average sunshine days
Dubois, WY
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
10.8 days - Average sunshine days in April:
9.9 days - Average sunshine days in May:
9 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
12.8 days - Average sunshine days in August:
14 days - Average sunshine days in September:
17.2 days - Average sunshine days in October:
18.8 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is May (9 days).
Average UV index
Dubois, WY
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover
Dubois, WY
The months with the most cloud cover are February and April (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Dubois, WY
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
