Climate and monthly weather forecastDayton, WY
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Dayton, Wyoming, with an average temperature fluctuating between 15.6°F (-9.1°C) and 30.4°F (-0.9°C). As December transitions into January, Dayton records an average high-temperature of a still freezing cold 30.4°F (-0.9°C), showing a gentle shift from the preceding month. Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Dayton, Wyoming, with an average temperature fluctuating between 29.1°F (-1.6°C) and 14.4°F (-9.8°C). Dayton's coldest temperatures are experienced in February, with average high temperatures of 29.1°F (-1.6°C) and lows of 14.4°F (-9.8°C). Weather in February »Weather in March
The first month of the spring, March, is a cold month in Dayton, Wyoming, with temperature in the range of an average low of 25.3°F (-3.7°C) and an average high of 40.6°F (4.8°C). With the onset of March, Dayton's average high-temperature sees a rise, moving from February's freezing cold 29.1°F (-1.6°C) to a cold 40.6°F (4.8°C). Weather in March »Weather in April
April in Dayton, Wyoming, is a chilly spring month, with temperature in the range of an average high of 47.1°F (8.4°C) and an average low of 30.4°F (-0.9°C). With the onset of April, Dayton observes a minor temperature ascent, with the average high-temperature adjusting from March's cold 40.6°F (4.8°C) to a frosty 47.1°F (8.4°C). Weather in April »Weather in May
The last month of the spring, May, is a mild month in Dayton, Wyoming, with an average temperature fluctuating between 57.2°F (14°C) and 39.4°F (4.1°C). As May sets, the average high-temperature shows an increase, moving up from a frosty 47.1°F (8.4°C) in April to a refreshing 57.2°F (14°C). Weather in May »Weather in June
June, the first month of the summer in Dayton, is a pleasant month, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 69.4°F (20.8°C). As Dayton, Wyoming, transitions into June, the average high-temperature shows a change, moving from a moderate 57.2°F (14°C) in May to a pleasant 69.4°F (20.8°C). Weather in June »Weather in July
July is a warm summer month in Dayton, Wyoming, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 78.8°F (26°C). The highest temperatures are recorded in July, with averages reaching a high of 78.8°F (26°C) and a low of 57°F (13.9°C). Weather in July »Weather in August
August, the last month of the summer in Dayton, is also a moderately hot month, with an average temperature ranging between min 56.1°F (13.4°C) and max 77.4°F (25.2°C). In August, the average high-temperature registers at a still moderately hot 77.4°F (25.2°C), nearly identical to July's 78.8°F (26°C). Weather in August »Weather in September
The first month of the autumn, September, is still a pleasant month in Dayton, Wyoming, with an average temperature fluctuating between 48.7°F (9.3°C) and 68.7°F (20.4°C). With the onset of September, the average high-temperature subtly recedes from August's moderately hot 77.4°F (25.2°C) to an agreeable 68.7°F (20.4°C). Weather in September »Weather in October
October, like September, in Dayton, Wyoming, is a cool autumn month, with an average temperature ranging between min 35.2°F (1.8°C) and max 52.2°F (11.2°C). October's arrival is marked by a notable drop in high-temperatures, falling from a pleasant 68.7°F (20.4°C) in September to a cool 52.2°F (11.2°C). Weather in October »Weather in November
November, the last month of the autumn in Dayton, is also an icy month, with an average temperature varying between 39.7°F (4.3°C) and 24.4°F (-4.2°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's fresh 52.2°F (11.2°C) to a cold 39.7°F (4.3°C). Weather in November »Weather in December
December, the first month of the winter in Dayton, is still a freezing cold month, with an average temperature varying between 29.3°F (-1.5°C) and 15.3°F (-9.3°C). December shows a mild decline in the average high-temperature, falling from November's icy 39.7°F (4.3°C) to a subzero cold 29.3°F (-1.5°C). Weather in December »Updated: Feb 14, 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
Throughout the year, in Dayton, Wyoming, there are 165.2 rainfall days, and 21.22" (539mm) of precipitation is accumulated.
January through May, September through December are months with snowfall.
Throughout the year, in Dayton, there are 78.9 snowfall days, and 46.3" (1176mm) 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 in Dayton, Wyoming.
February, noted for its average high-temperature of 29.1°F (-1.6°C) and an average low-temperature of 14.4°F (-9.8°C), is considered the coldest month in Dayton, Wyoming.
February is the most humid month, with an average relative humidity of 79%.
February has the least sunshine of the year in Dayton, Wyoming, with an average of 6.1h 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.
The month with the most snowfall is April, when snow falls for 8.6 days and typically aggregates up to 8.7" (221mm) of snow.
May is the month with the most rainfall in Dayton. Rain falls for 22.3 days and accumulates 3.43" (87mm) of precipitation.
In Dayton, snow does not fall in June through August.
The month with the longest days in Dayton, Wyoming, is June, with an average of 15h and 30min of daylight.
Dayton notes the warmest temperatures in July, with a average high of 78.8°F (26°C) and a low of 57°F (13.9°C).
July has the most sunshine of the year in Dayton, Wyoming, with an average of 11.9h of sunshine.
July is the month with the highest UV index in Dayton, with an average maximum UV index of 6.
The least humid month is August, with an average relative humidity of 46%.
The month with the least rainfall is December, when the rain falls for 7.8 days and typically collects 0.75" (19mm) of precipitation.
December has the shortest days of the year, with an average of 8h and 54min of daylight.
Average temperature
Dayton, WY
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is February (29.1°F).
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure
Dayton, WY
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.92"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Dayton, WY
- Average wind speed in January:
7mph - Average wind speed in February:
6.6mph - Average wind speed in March:
6.9mph - Average wind speed in April:
7.6mph - Average wind speed in May:
7.2mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.1mph - Average wind speed in November:
6.6mph - Average wind speed in December:
6.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity
Dayton, WY
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (46%).
Average rainfall
Dayton, WY
- Average rainfall in January:
0.94" - Average rainfall in February:
1.18" - Average rainfall in March:
1.65" - Average rainfall in April:
2.72" - Average rainfall in May:
3.43" - Average rainfall in June:
2.44"
- Average rainfall in July:
2.32" - Average rainfall in August:
1.81" - Average rainfall in September:
1.42" - Average rainfall in October:
1.57" - Average rainfall in November:
0.98" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days
Dayton, WY
- Average rainfall days in January:
9 days - Average rainfall days in February:
8.5 days - Average rainfall days in March:
13 days - Average rainfall days in April:
17.6 days - Average rainfall days in May:
22.3 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
17.3 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
7.8 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall
Dayton, WY
- Average snowfall in January:
5.75" - Average snowfall in February:
8.35" - Average snowfall in March:
6.73" - Average snowfall in April:
8.7" - Average snowfall in May:
2.17" - Average snowfall in June:
0"
The month with the highest snowfall is April (8.7").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Dayton, WY
- Average snowfall days in January:
13.2 days - Average snowfall days in February:
15.8 days - Average snowfall days in March:
10.8 days - Average snowfall days in April:
8.6 days - Average snowfall days in May:
2 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:
0.3 days - Average snowfall days in October:
4.6 days - Average snowfall days in November:
10 days - Average snowfall days in December:
13.6 days
The month with the highest number of snowfall days is February (15.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Dayton, WY
- Average daylight in January:
9h and 18min - 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 54min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
6h and 18min - Average sunshine in February:
6h and 6min - Average sunshine in March:
8h and 12min - Average sunshine in April:
9h and 42min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 42min - Average sunshine in September:
10h and 48min - Average sunshine in October:
6h and 48min - Average sunshine in November:
6h and 48min - Average sunshine in December:
6h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).
Average sunshine days
Dayton, WY
- Average sunshine days in January:
13.6 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
11.5 days - Average sunshine days in April:
6.8 days - Average sunshine days in May:
5.8 days - Average sunshine days in June:
7.3 days
- Average sunshine days in July:
8.1 days - Average sunshine days in August:
9.2 days - Average sunshine days in September:
13.6 days - Average sunshine days in October:
14.2 days - Average sunshine days in November:
15.2 days - Average sunshine days in December:
14.2 days
The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is May (5.8 days).
Average UV index
Dayton, WY
The month with the highest UV index is July (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
Dayton, WY
The months with the most cloud cover are February and April (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility
Dayton, 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).
