Climate and monthly weather forecastMills, WY
Climate and monthly weather forecast
The climate of Mills
Unwaveringly, the climate in Mills, Wyoming, USA complies with the Mid-latitude steppe climate classification under the Köppen scheme, known as BSk. This type of climate usually exhibits cold, dry winters and warm summers, characteristic of the geographical location of Mills in the mid-latitudes. A detailed analysis of the provided climatological data reveals a broad spectrum of weather patterns, oscillating between diverse values throughout the year.Focusing on the temperature, the mercury fluctuates from 15.1°F (-9.4°C) in winter to the annual high of 83.5°F (28.6°C) in summer. The cold extends from late fall through to early spring, with averages between 15.1°F (-9.4°C) to 50.7°F (10.4°C). Summer brings a temperature increase, peaking at 83.5°F (28.6°C) in July. Weather patterns related to rainfall register inconsistencies; the volume rises from a mere 0.43" (11mm) in January and February to a peak of 1.77" (45mm) in May. Snowfall occurs from October to April, reaching up to 5.47" (139mm) in November.
Relative humidity values scale from 37% in August, classifying as quite dry, to a high of 79% in January. Hours of sunshine display an increase from 6.4 hours in December to the yearly zenith of 11.9 hours in July and August. The predominating climate displays noticeable variations in atmospheric pressure, with a peak of 30.15 in in December decreasing to a low of 29.85 in in June.
The best time to visit Mills
Choosing the optimal time for a visit to Mills is dependent on the preferences of the individual. If mild temperatures are appealing, May proves to be the ideal month with appealing temperature readings of 61.3°F (16.3°C). In this month, the weather also provides adequate sunshine for outdoor activities with 10.8 hours of sun daily.The worst time to visit Mills
Conversely, if minimal cold is a proclivity, January and February should be avoided, as temperatures plunge to 15.6°F (-9.1°C) and 15.4°F (-9.2°C) respectively. Likewise, these months also experience the highest levels of relative humidity, with readings of 79% and 78% respectively, possibly resulting in discomfort.Spring weather in Mills
Spring in Mills marks the transition from the frigid temperatures of winter to the warmer conditions of summer. March signals the beginning of the spring months, accompanied by 26.4°F (-3.1°C) to 43°F (6.1°C) temperatures and 0.94" (24mm) of rainfall. In April, expect temperatures to range from 32°F (0°C) to 50.7°F (10.4°C). The month of May experiences a significant increase in precipitation, amounting to 1.77" (45mm).Summer weather in Mills
Summer in Mills is exemplified by warmer temperatures and increased sunshine duration. June sees daily highs climb to 75.7°F (24.3°C) on average, with a nightly drop to a comfortable 52.3°F (11.3°C). July brings the peak summer heat with temperatures reaching 83.5°F (28.6°C) during the day and 59.5°F (15.3°C) at night. August maintains similar conditions but with slightly lower maximum temperatures.Autumn weather in Mills
Autumn witnesses a gradual decline in temperatures leading into the winter months. In September, daily temperatures drop to 72.7°F (22.6°C) during the day and cool off to 50.9°F (10.5°C) at night. October sees a more pronounced decline in temperature, from a daily high of 54.3°F (12.4°C) down to an evening low of 36.5°F (2.5°C). By November, Mills experiences the onset of winter-like conditions with temperatures varying from 26.1°F (-3.3°C) to 41.5°F (5.3°C).Winter weather in Mills
Winter establishes itself in Mills with chilly temperatures and increased snowfall. December sees temperatures drop to 15.1°F (-9.4°C) at night and struggle to rise above 28.4°F (-2°C) during the day. The trend continues into January and February as the mercury dips to lows of 15.6°F (-9.1°C) and 15.4°F (-9.2°C), respectively. These decidedly colder temperatures contribute to the accumulation of snowfall, reaching up to 3.98" (101mm) in February. Throughout the winter months, sunshine duration reduces to an average of 6 hours per day.Weather in January
The new year kicks off with January in Mills, Wyoming, typically showcasing a snow-blanketed landscape, fortified by the city's average snowfall of 3.54" (90mm). Cold and crisp air prevails as winter holds a firm grip, temperatures remaining significantly below the freezing mark. Weather in January »Weather in February
As the city transitions from January to February, changes in Mills' weather are only subtle. The chill of winter persists with temperatures constantly below freezing and frequent snowfall events. Occurrences of snow give way to an additional 3.98" (101mm) on average, covering the landscape in layers of pristine white. Weather in February »Weather in March
March initiates a mild transition towards spring; yet, the weather maintains a wintery demeanor. This is partially broken by average temperatures ascending to a high of 43°F (6.1°C), making daytime slightly comfortable. Despite the presence of snow, the strengthening sunshine and lengthening days indicate the slow onset of a warmer season. Weather in March »Weather in April
April sets the stage for more definitive signs of spring, with the weather in Mills becoming noticeably warmer. Average temperatures hover around the cusp of the freezing mark, promoting the rapid decay of the winter snow cover. However, the city receives an additional 4.02" (102mm) of snow highlighting the unpredictable nature of this month. Weather in April »Weather in May
May confirms the full arrival of spring, rewarding Mills with an abundance of color and vitality. The weather pattern shifts considerably from winter extremes, making way for an average high temperature of 61.3°F (16.3°C). This month greets residents with fresh rainfall measuring 1.77" (45mm), replenishing the thawing landscape. Weather in May »Weather in June
June heralds the beginning of summer and seals the final traces of the past cold season. With an average high temperature of 75.7°F (24.3°C), the month of June brings about long, warm days. A significant dip in humidity levels accompanies these balmy conditions, providing a comfortable warmth. Weather in June »Weather in July
July, the peak of the summer season in Mills, Wyoming, boasts the year's highest average temperature reaching 83.5°F (28.6°C). This flamboyant display of warmth is paired with long sunlit hours, enhancing the impression of an unadulterated summertime. Weather in July »Weather in August
August embodies the tail-end of summer, experiencing a slight decline in the sweltering conditions that came with July. The temperatures slide down to an average high of 81.3°F (27.4°C), signaling the impending close of the warm season. Weather in August »Weather in September
September commences the transitionary period of fall, gradually drawing the curtain on Mills' enduring summer. Yet, the city experiences warm afternoons with a high of 72.7°F (22.6°C) and a chance occurrence of a light snowfall of 0.12" (3mm). Weather in September »Weather in October
October in Mills is a clear display of the fall season, with the summer's greenery morphing into a dazzling array of warm hues. Morning hours harbor a nip in the air as the temperatures drop to an average low of 36.5°F (2.5°C). Weather in October »Weather in November
November in Mills ushers in the onset of winter, laying the groundwork for the season's main stage. Temperatures continue on a downward trend, the city beginning to experience a high of just 41.5°F (5.3°C) on average. However, the winter's signature snow is yet to prominently feature with only an average snowfall of 5.47" (139mm). Weather in November »Weather in December
In December, Mills is in the throes of winter, the landscape often covered by an average snowfall amount of 3.7" (94mm). The temperatures hardly rise above the freezing mark, rendering the city a frosty wonderland. The cold, crisp air coupled with the stark canvas of white evokes an undeniable allure. Weather in December »Updated: Aug 24, 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 most humid month is January, with an average relative humidity of 79%.
January, August and September are months with the least rain when the rain falls for 3.6 days and typically aggregates up to 0.43" (11mm) of rain.
In Mills, during the entire year, the rain falls for 91.6 days and collects up to 9.69" (246mm) of precipitation.
Months with snowfall are January through May, September through December.
Throughout the year, there are 61.5 snowfall days, and 32.13" (816mm) of snow is accumulated.
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
With an average of 6.1h of sunshine, February has the least sunshine of the year.
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.
May is the month with the most rainfall. Rain falls for 14.1 days and accumulates 1.77" (45mm) of precipitation.
June through August are months without snowfall.
The month with the longest days in Mills is June, with an average of 15h and 18min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
With average high temperatures of 83.5°F (28.6°C) and lows of 59.5°F (15.3°C), July is the warmest month.
The months with the most sunshine are July and August, with an average of 11.9h of sunshine.
The least humid month is August, with an average relative humidity of 37%.
The month with the most snowfall is November, when snow falls for 7.1 days and typically aggregates up to 5.47" (139mm) of snow.
December stands out as Mills's coldest month, with an average high-temperature of 28.4°F (-2°C) and a low-temperature of 15.1°F (-9.4°C).
December has the shortest days of the year, with an average of 9h and 6min of daylight.
Average temperature
Mills, WY
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28.4°F).
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).
Average pressure
Mills, WY
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Mills, WY
- Average wind speed in January:
12.1mph - Average wind speed in February:
11.3mph - Average wind speed in March:
11.1mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.8mph - Average wind speed in June:
9.6mph
- Average wind speed in July:
8.5mph - Average wind speed in August:
8.5mph - Average wind speed in September:
9.4mph - Average wind speed in October:
10.7mph - Average wind speed in November:
11.3mph - Average wind speed in December:
11.7mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).
Average humidity
Mills, WY
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (37%).
Average rainfall
Mills, WY
- Average rainfall in January:
0.43" - Average rainfall in February:
0.63" - Average rainfall in March:
0.94" - Average rainfall in April:
1.22" - Average rainfall in May:
1.77" - Average rainfall in June:
0.91"
- Average rainfall in July:
0.63" - Average rainfall in August:
0.43" - Average rainfall in September:
0.43" - Average rainfall in October:
0.98" - Average rainfall in November:
0.79" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is May (1.77").
The driest months (with the least rainfall) are January, August and September (0.43").
Average rainfall days
Mills, WY
- Average rainfall days in January:
3.6 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
7.3 days - Average rainfall days in April:
11.7 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
9.8 days
- Average rainfall days in July:
8.4 days - Average rainfall days in August:
7.5 days - Average rainfall days in September:
7.6 days - Average rainfall days in October:
7.2 days - Average rainfall days in November:
5 days - Average rainfall days in December:
4.1 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is January (3.6 days).
Average snowfall
Mills, WY
- Average snowfall in January:
3.54" - Average snowfall in February:
3.98" - Average snowfall in March:
4.88" - Average snowfall in April:
4.02" - Average snowfall in May:
2.83" - Average snowfall in June:
0"
The month with the highest snowfall is November (5.47").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Mills, WY
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
11.2 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
7.3 days - Average snowfall days in May:
2.1 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:
0.2 days - Average snowfall days in October:
5.3 days - Average snowfall days in November:
7.1 days - Average snowfall days in December:
9.9 days
The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Mills, WY
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- 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 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
6h and 36min - Average sunshine in February:
6h and 6min - Average sunshine in March:
8h and 42min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 6min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 48min - Average sunshine in December:
6h and 24min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).
Average sunshine days
Mills, WY
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
11.9 days - Average sunshine days in June:
15.3 days
- Average sunshine days in July:
17.9 days - Average sunshine days in August:
17.4 days - Average sunshine days in September:
19.2 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index
Mills, WY
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover
Mills, WY
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Mills, 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).
