Climate and monthly weather forecastArminto, WY
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Arminto, Wyoming, with an average temperature varying between 15.3°F (-9.3°C) and 29.3°F (-1.5°C). Arminto experiences an average high-temperature of a still freezing cold 29.3°F (-1.5°C) with the onset of January, subtly varied from December's 28.6°F (-1.9°C). Weather in January »Weather in February
February, the last month of the winter in Arminto, is also a subzero cold month, with an average temperature fluctuating between 16°F (-8.9°C) and 30.9°F (-0.6°C). The advent of February reveals an average high-temperature of a still subzero cold 30.9°F (-0.6°C), showing minimal difference from the prior month. Weather in February »Weather in March
March, the first month of the spring in Arminto, is a frosty month, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 27.3°F (-2.6°C). The onset of March brings a temperature shift, with the average high-temperature moving from a freezing cold 30.9°F (-0.6°C) in February to a chilly 44.2°F (6.8°C). Weather in March »Weather in April
April in Arminto, Wyoming, is a fresh spring month, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 52°F (11.1°C). Arminto's transition into April is noticed by a slight rise in the average high-temperature, advancing from a chilly 44.2°F (6.8°C) in March to a fresh 52°F (11.1°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Arminto, Wyoming, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 42.1°F (5.6°C). As Arminto transitions into May, the average high-temperature is observed to rise from a cool 52°F (11.1°C) in April to a comfortable 62.6°F (17°C). Weather in May »Weather in June
June, the first month of the summer in Arminto, is a moderately hot month, with an average temperature ranging between max 77.2°F (25.1°C) and min 53.1°F (11.7°C). June brings with it a considerable temperature increase, with average high-temperatures rising from May's refreshing 62.6°F (17°C) to a warm 77.2°F (25.1°C). Weather in June »Weather in July
July, like June, in Arminto, Wyoming, is a moderately hot summer month, with an average temperature varying between 85.1°F (29.5°C) and 61.2°F (16.2°C). Arminto reaches its highest average temperatures in July, measuring 85.1°F (29.5°C) at the peak and 61.2°F (16.2°C) at the lowest. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Arminto, Wyoming, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 59.9°F (15.5°C). The onset of August brings with it an average high-temperature of a still moderately hot 82.6°F (28.1°C), showing a negligible variation from the month before. Weather in August »Weather in September
September, the first month of the autumn in Arminto, is still a warm month, with an average temperature ranging between min 52.3°F (11.3°C) and max 73.4°F (23°C). As August shifts into September, a slight alteration in temperatures is observed, with average highs reducing from a moderately hot 82.6°F (28.1°C) to a still warm 73.4°F (23°C). Weather in September »Weather in October
October, like September, in Arminto, Wyoming, is another fresh autumn month, with an average temperature varying between 54.9°F (12.7°C) and 37°F (2.8°C). October signals a clear temperature drop, with average high-temperatures decreasing from September's warm 73.4°F (23°C) to a fresh 54.9°F (12.7°C). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Arminto, Wyoming, with an average temperature ranging between max 41.7°F (5.4°C) and min 26.2°F (-3.2°C). Arminto's progression into November includes a drop in the average high-temperature, from a cool 54.9°F (12.7°C) in October to a wintry 41.7°F (5.4°C). Weather in November »Weather in December
December, the first month of the winter in Arminto, is still a freezing cold month, with an average temperature ranging between max 28.6°F (-1.9°C) and min 15.1°F (-9.4°C). In Arminto, the month of December is known for its lowest average temperatures, reaching a high of 28.6°F (-1.9°C) and a low of 15.1°F (-9.4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Arminto, WY
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (28.6°F).
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).
Average pressure
Arminto, WY
- Average pressure in January:
30.17"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:
29.9"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Arminto, WY
- Average wind speed in January:
11.9mph - Average wind speed in February:
11.1mph - Average wind speed in March:
10.9mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.8mph - Average wind speed in June:
9.7mph
- Average wind speed in July:
8.5mph - Average wind speed in August:
8.4mph - Average wind speed in September:
9.3mph - Average wind speed in October:
10.5mph - Average wind speed in November:
11.1mph - Average wind speed in December:
11.6mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).
Average humidity
Arminto, WY
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (36%).
Average rainfall
Arminto, WY
- Average rainfall in January:
0.55" - Average rainfall in February:
0.67" - Average rainfall in March:
0.98" - Average rainfall in April:
1.18" - Average rainfall in May:
1.34" - Average rainfall in June:
0.75"
- Average rainfall in July:
0.55" - Average rainfall in August:
0.35" - Average rainfall in September:
0.39" - Average rainfall in October:
0.83" - Average rainfall in November:
0.75" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days
Arminto, WY
- Average rainfall days in January:
3.4 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
7 days - Average rainfall days in April:
10.2 days - Average rainfall days in May:
10.9 days - Average rainfall days in June:
8.3 days
- Average rainfall days in July:
8.1 days - Average rainfall days in August:
6.6 days - Average rainfall days in September:
6.6 days - Average rainfall days in October:
6.3 days - Average rainfall days in November:
4.9 days - Average rainfall days in December:
3.3 days
The month with the highest number of rainy days is May (10.9 days).
The month with the least rainy days is December (3.3 days).
Average snowfall
Arminto, WY
- Average snowfall in January:
3.82" - Average snowfall in February:
4.17" - Average snowfall in March:
5.55" - Average snowfall in April:
3.86" - Average snowfall in May:
2.4" - Average snowfall in June:
0"
The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Arminto, WY
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
11.3 days - Average snowfall days in March:
8.8 days - Average snowfall days in April:
7.1 days - Average snowfall days in May:
2.3 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:
5.1 days - Average snowfall days in November:
8.2 days - Average snowfall days in December:
9.8 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Arminto, WY
- Average daylight in January:
9h and 24min - 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 42min - 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 12min - Average sunshine in March:
8h and 48min - Average sunshine in April:
10h and 12min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 48min - Average sunshine in December:
6h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days
Arminto, WY
- Average sunshine days in January:
20 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
18.1 days - Average sunshine days in April:
13.6 days - Average sunshine days in May:
15.9 days - Average sunshine days in June:
19.3 days
- Average sunshine days in July:
18.5 days - Average sunshine days in August:
20.3 days - Average sunshine days in September:
20.1 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is April (13.6 days).
Average UV index
Arminto, 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, October, November and December (UV index 2).
Average cloud cover
Arminto, WY
The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Arminto, 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).





