Climate and monthly weather forecast
Dayton, WY

Share

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

Frequently asked questions

How much does it rain in Dayton?

Throughout the year, in Dayton, Wyoming, there are 165.2 rainfall days, and 21.22" (539mm) of precipitation is accumulated.

When does it snow in Dayton?

January through May, September through December are months with snowfall.

How much does it snow in Dayton?

Throughout the year, in Dayton, there are 78.9 snowfall days, and 46.3" (1176mm) of snow is accumulated.

What is the month with the lowest UV index in Dayton?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Dayton, Wyoming.

What part of the year is the coldest in Dayton?

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.

What is the most humid month in Dayton?

February is the most humid month, with an average relative humidity of 79%.

What is the month with the least sunshine in Dayton?

February has the least sunshine of the year in Dayton, Wyoming, with an average of 6.1h of sunshine.

When is Daylight Saving Time (DST) in Dayton?

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.

When does it snow the most in Dayton?

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.

What is the wettest month in Dayton?

May is the month with the most rainfall in Dayton. Rain falls for 22.3 days and accumulates 3.43" (87mm) of precipitation.

When it does not snow in Dayton?

In Dayton, snow does not fall in June through August.

When are the longest days in Dayton?

The month with the longest days in Dayton, Wyoming, is June, with an average of 15h and 30min of daylight.

What time of the year is the hottest in Dayton?

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).

What month has the most sunshine in Dayton?

July has the most sunshine of the year in Dayton, Wyoming, with an average of 11.9h of sunshine.

What is the month with the highest UV index in Dayton?

July is the month with the highest UV index in Dayton, with an average maximum UV index of 6.

What is the least humid month in Dayton?

The least humid month is August, with an average relative humidity of 46%.

What is the driest month in Dayton?

The month with the least rainfall is December, when the rain falls for 7.8 days and typically collects 0.75" (19mm) of precipitation.

What is the month with the shortest days in Dayton?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

Average temperature
Dayton, WY

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 - Dayton, WY

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 - Dayton, WY

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

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 - Dayton, WY

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 - Dayton, WY

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 - Dayton, WY

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 - Dayton, WY

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 / Average sunshine - Dayton, WY

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).

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 - Dayton, WY

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

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 visibility
Dayton, WY

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).

Dayton, Wyoming, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location