Climate and monthly weather forecastAfton, WY
Climate and monthly weather forecast
The climate of Afton
Afton, a small town nestled in Wyoming, USA, belongs to the Subarctic climate category as per the Köppen climate classification. This Dfc climate zone recognizes regions experiencing severely cold winters, cool summers, and lacking a dry season. A yearly glance at Afton's weather reveals its distinct features. The relative humidity fluctuates between 45% in August to 93% in February, whereas daylight hours waver from the shortest of 9.1 hours in December to the longest span of 15.3 hours in June.Maximum temperatures in Afton span the range from 24.1°F (-4.4°C) in December to 75.9°F (24.4°C) in July, with minimum temperatures varying from 5.4°F (-14.8°C) in January to 45.7°F (7.6°C) in July. Rainfall patterns reveal minor deviations throughout the year, peaking at 2.72" (69mm) in February and dropping to 0.63" (16mm) in July and August. On the other hand, snowfall shows more pronounced shifts, with December presenting 15.51" (394mm) and July offering no snow. These figures underscore the climatic diversity throughout Afton.
A defining trait of Afton's weather involves the distinct transition periods. While the year's maximum wind speed of 6.6mph (10.6km/h) is reached in June, the minimum of 4.2mph (6.8km/h) is seen in January and December. Also, the town experiences varying degrees of cloud coverage, oscillating between 12% in July and August to 63% in February. Interestingly, the UV Index remains at its zenith of 5 only in July, while the lows of 1 are maintained from November through to March.
The best time to visit Afton
Given the weather variability throughout the year, the best time to visit Afton is highly dependent on an individual's preference for temperature, sunlight, and precipitation conditions. According to the weather records, July offers the warmest temperatures, smallest cloud cover, and least amount of precipitation, making it a suitable period for outdoor engagements.The worst time to visit Afton
In sharp contrast, December presents the coldest temperatures and highest snowfall, reaching up to 15.51" (394mm), alongside decreased daylight hours, implying reduced visibility, these factors culminate in a less than ideal time for visiting this locale.Spring weather in Afton
March initiates the arrival of spring in Afton, characterized by increasing temperatures from 32.7°F (0.4°C) to 53.8°F (12.1°C) by May, and a similar trend in minimum temperatures from 15.1°F (-9.4°C) to 30.7°F (-0.7°C). Rainfall escalates from 2.13" (54mm) in March to 2.56" (65mm) in May. Concurrently, the town experiences an increase in daylight hours from 12 hours in March to 14.7 hours by May end.Summer weather in Afton
June ushers in the warmest quarter of the year, with temperatures peaking around 75.9°F (24.4°C) in July and slowly descending to 65.7°F (18.7°C) by the end of August. Daylight hours peak at 15 hours in June, giving ample sunlight for outdoor activities. Rainfall drastically reduces, reaching a point of 0.63" (16mm) in July and August.Autumn weather in Afton
Autumn in Afton, spanning September to November, sees a gradual fall in temperatures. From the 65.7°F (18.7°C) high in September, the temperature decreases to a cool 34.7°F (1.5°C) by November. Rainfall shows a slight increment during this period, reaching up to 1.61" (41mm) in November.Winter weather in Afton
The winter season in Afton commences in December, with temperatures plunging to their lowest of 24.1°F (-4.4°C), and with the coldest month being January. The region experiences significant snowfall at this time, with December registering 15.51" (394mm). Visibility decreases, and daylight hours shrink to the lowest of 9.1 hours during December, making it the darkest month of the year.Weather in January
January in Afton, Wyoming, witnesses a blustering mix of predominant snow and chilling temperatures. The contiguous cold, marked by minimum temperatures reaching 5.4°F (-14.8°C), often blankets the city with a hefty 19.06" (484mm) of snowfall over the span of almost 20 days. Weather in January »Weather in February
Akin to its predecessor, February in Afton continues the frigid demeanor with heavier snowfall registering at 19.96" (507mm). The low-temperature range marginally shifts upwards, owing to a slight increase in daylight hours. The city, however, reaches only a tad above the freezing point even during the warmest parts of the day. Weather in February »Weather in March
March sees a welcome retreat from the harsh winter as Afton begins to transition into spring. The snowfall decreases to 15.2" (386mm) and temperatures show a slight rise, however, brisk winds continue to add a sting to the air. The increased daylight of 12 hours introduces a subtle warmth into the days but the nights stay cold and frosty. Weather in March »Weather in April
April transfuses a warmer breath into Afton's weather, halving the snowfall to 12.52" (318mm) and aiding a gradual rise in temperature. The significant leap in daylight hours to 13.4 ensures the thaw amplifies, hinting at an impending spring. Weather in April »Weather in May
May marks the definitive start of spring in Afton, with the snowfall dropping significantly to 4.65" (118mm) and temperatures reaching warmer thresholds. As the ground begins to thaw considerably, dapples of green start breaking the monochrome winterscape. Weather in May »Weather in June
June swings open the doors to summer in Afton. The snowfall finally tapers off to 0.71 inch, signaling the departure of the last vestiges of winter. It is also the first month when temperatures consistently stay above the freezing point. Weather in June »Weather in July
July is the month of summer in full bloom in Afton, devoid of any snow and featuring an average high temperature of 75.9°F (24.4°C). The increased warmth keeps the ambience exhilarating, as the city basks under the longest hours of daylight. Weather in July »Weather in August
August persists with the warmth of July, offering an equally temperate and enticing summer experience in Afton. There is no snow whatsoever and the temperature highs hover close to those seen in July. The crickets' chorus fills the luminous nights and days remain filled with summer activities. Weather in August »Weather in September
September witnesses a shift in narrative as Afton begins its transition from summer to fall. This month marks the first appearance of snow after the summer respite, albeit at a minimal 1.3" (33mm). The temperatures begin to fall as the daylight hours reduce, signaling the onset of autumn. Weather in September »Weather in October
October in Afton ushers in the full glory of autumn with a noticeable drop in temperatures and a revival of snowfall at 6.3" (160mm). The kaleidoscope of fall colors, twirling leaves, and the beginning of a fresher nip in the air make this month visually arresting. Weather in October »Weather in November
November in Afton is the prequel to winter, with temperatures falling noticeably, and snowfall inching up to 11.46" (291mm). The landscapes start getting covered in snow, concluding the short-lived riotous spectacle of fall colors. Weather in November »Weather in December
December rings in winter in Afton with the mercury dipping to its lowest and snowfall amassing to 15.51" (394mm). The city gets a white makeover and dives into the spirit of the Holiday season. Events associated with Christmas bring a festive ambiance all around. Weather in December »Updated: Aug 10, 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
In Afton, during the entire year, the rain falls for 109.5 days and collects up to 21.61" (549mm) of precipitation.
January through June, September through December are months with snowfall.
In Afton, during the entire year, snow falls for 126.9 days and aggregates up to 106.65" (2709mm) of snow.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.
The most humid month in Afton is February, with an average relative humidity of 93%.
February is the month with the most rainfall. Rain falls for 5.9 days and accumulates 2.72" (69mm) of precipitation.
February is the month with the most snowfall. Snow falls for 21.4 days and accumulates 19.96" (507mm) of snow.
February has the least sunshine of the year, with an average of 4.2h of sunshine.
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.
With an average of 15h and 18min of daylight, June has the longest days of the year.
Afton's warmest weather arrives in July, when temperatures average a high of 75.9°F (24.4°C) and a low of 45.7°F (7.6°C).
The months with the least rainfall are July and August Rain falls for 7.6 days and accumulates 0.63" (16mm) of rain.
July and August are months without snowfall.
The month with the most sunshine is July, with an average of 11.9h of sunshine.
July is the month with the highest UV index, with an average maximum UV index of 5.
The least humid month is August, with an average relative humidity of 45%.
Afton's temperature records reveal December as the coldest month, marked by average highs of 24.1°F (-4.4°C) and lows of 6.6°F (-14.1°C).
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
Afton, WY
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is December (24.1°F).
The month with the highest average low temperature is July (45.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure
Afton, WY
- Average pressure in January:
30.29"Hg - Average pressure in February:
30.16"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.25"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Afton, WY
- Average wind speed in January:
4.2mph - Average wind speed in February:
4.9mph - Average wind speed in March:
4.8mph - Average wind speed in April:
5mph - Average wind speed in May:
5.1mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.4mph - Average wind speed in September:
5.2mph - Average wind speed in October:
4.7mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4.2mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).
Average humidity
Afton, WY
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).
Average rainfall
Afton, WY
- Average rainfall in January:
2.32" - Average rainfall in February:
2.72" - Average rainfall in March:
2.13" - Average rainfall in April:
2.48" - Average rainfall in May:
2.56" - Average rainfall in June:
1.73"
The wettest month (with the highest rainfall) is February (2.72").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days
Afton, WY
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
10.7 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
7.6 days - Average rainfall days in August:
8.4 days - Average rainfall days in September:
9.4 days - Average rainfall days in October:
9.2 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.7 days).
Average snowfall
Afton, WY
- Average snowfall in January:
19.06" - Average snowfall in February:
19.96" - Average snowfall in March:
15.2" - Average snowfall in April:
12.52" - Average snowfall in May:
4.65" - Average snowfall in June:
0.71"
The month with the highest snowfall is February (19.96").
The months with the least snowfall are July and August (0").
Average snowfall days
Afton, WY
- Average snowfall days in January:
19.7 days - Average snowfall days in February:
21.4 days - Average snowfall days in March:
20.3 days - Average snowfall days in April:
14.8 days - Average snowfall days in May:
5.1 days - Average snowfall days in June:
1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
1 days - Average snowfall days in October:
7.8 days - Average snowfall days in November:
14.1 days - Average snowfall days in December:
21.7 days
The month with the highest number of snowfall days is December (21.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Afton, 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:
4h and 30min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 36min - Average sunshine in April:
8h and 18min - Average sunshine in May:
10h and 18min - Average sunshine in June:
11h and 12min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 48min - Average sunshine in September:
10h and 6min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 0min - Average sunshine in December:
4h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days
Afton, WY
- Average sunshine days in January:
11.5 days - Average sunshine days in February:
7.2 days - Average sunshine days in March:
7.6 days - Average sunshine days in April:
7 days - Average sunshine days in May:
8.3 days - Average sunshine days in June:
14.1 days
- Average sunshine days in July:
18.8 days - Average sunshine days in August:
17.7 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
14.4 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is April (7 days).
Average UV index
Afton, WY
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Afton, WY
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility
Afton, WY
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
