Climate Insights for Afton

Lincoln County, Wyoming, United States

Hottest
July
26°C peak
Coldest
December
-12°C low
Wettest
February
95mm rain
Best to Visit
July, August
Mild temps & low rain

Climate Overview

The climate in Afton is cool. The average annual temperature is 4°C and approximately 748mm of precipitation falls per year. February is the wettest month, receiving around 95mm of rainfall. Afton is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are December, January, February, when temperatures can drop to -12°C. Afton experiences heavy snowfall, typically from January through December.

Temperature

-20° -10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -2° Average: -6° Min: -9° Feb Max: -1° Average: -5° Min: -8° Mar Max: 4° Average: 0° Min: -4° Apr Max: 7° Average: 2° Min: -2° May Max: 13° Average: 6° Min: 0° Jun Max: 20° Average: 13° Min: 6° Jul Max: 26° Average: 18° Min: 9° Aug Max: 25° Average: 17° Min: 9° Sep Max: 19° Average: 11° Min: 4° Oct Max: 10° Average: 3° Min: -2° Nov Max: 3° Average: -3° Min: -8° Dec Max: -3° Average: -8° Min: -12°
Max
Average
Min

Afton has a wide annual temperature range, spanning 38°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 18°C. The coldest month is December, when overnight lows fall to -12°C and the daily average is -8°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 89mm Snow: 88mm Feb Precipitation: 95mm Snow: 88mm Mar Precipitation: 78mm Snow: 66mm Apr Precipitation: 85mm Snow: 55mm May Precipitation: 77mm Snow: 17mm Jun Precipitation: 43mm Snow: 3mm Jul Precipitation: 14mm Snow: 0mm Aug Precipitation: 19mm Snow: 0mm Sep Precipitation: 59mm Snow: 10mm Oct Precipitation: 55mm Snow: 27mm Nov Precipitation: 66mm Snow: 55mm Dec Precipitation: 69mm Snow: 68mm
Precipitation
Snow

Afton is a relatively dry area, receiving approximately 748mm of precipitation annually, which averages out to around 62mm per month. The wettest month is February, averaging 95mm of rainfall. January and April also tend to see above-average precipitation. The driest month is July, with just 14mm. That's 80mm less than February, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Afton receives heavy snowfall, accumulating around 476cm annually from January through December. The snowiest month is January, with approximately 88cm. Winter travel should account for significant snow cover.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 2km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Afton is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

6 days until Summer

It is currently spring in Afton, which began on March 20, 2026. Afton is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 26°C, while the coldest stretch bottoms out in December near -12°C. Summer is next, beginning on June 21, 2026 — 6 days from now.

Spring

Temperatures range from -4 to 13°C. Precipitation is moderate at around 240mm for the season, averaging 80mm per month. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 6 to 26°C. Rainfall is relatively light, with around 75mm over the season and a monthly average of 25mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from -8 to 19°C. Precipitation is moderate at around 180mm for the season, averaging 60mm per month. Expect around 92cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -12 to -1°C. Precipitation is moderate at around 252mm for the season, averaging 84mm per month. Expect around 244cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Best Time to Visit

Jan -6°
Feb -5°
Mar
Apr
May
Jun 13°
Jul 18°
Aug 17°
Sep 11°
Oct
Nov -3°
Dec -8°

The best time to visit Afton is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 16mm per month. By contrast, December can be quite cold with temperatures dropping to -12°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Afton based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-9 °C
-2 °C
2 km/h
89 mm
88 cm
Feb
-8 °C
-1 °C
2 km/h
95 mm
88 cm
Mar
-4 °C
4 °C
2 km/h
78 mm
66 cm
Apr
-2 °C
7 °C
2 km/h
85 mm
55 cm
May
0 °C
13 °C
2 km/h
77 mm
17 cm
Jun Current
6 °C
20 °C
2 km/h
43 mm
3 cm
Jul
9 °C
26 °C
2 km/h
14 mm
0 cm
Aug
9 °C
25 °C
2 km/h
19 mm
0 cm
Sep
4 °C
19 °C
2 km/h
59 mm
10 cm
Oct
-2 °C
10 °C
2 km/h
55 mm
27 cm
Nov
-8 °C
3 °C
2 km/h
66 mm
55 cm
Dec
-12 °C
-3 °C
2 km/h
69 mm
68 cm
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