January weather forecast
Dayton, WY

Weather in January

January, like December, is a freezing cold winter month in Dayton, Wyoming, with average temperature varying between 30.4°F (-0.9°C) and 15.6°F (-9.1°C).

Temperature

In Dayton, the average high-temperature is practically the same as in December - a still subzero cold 30.4°F (-0.9°C). In January, the average low-temperature is 15.6°F (-9.1°C).

Humidity

In January, the average relative humidity is 77%.

Rainfall

In Dayton, during January, the rain falls for 9 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 165.2 rainfall days, and 21.22" (539mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Dayton are January through May, September through December. In January, it is snowing for 13.2 days. Throughout January, 5.75" (146mm) of snow is accumulated. Throughout the year, in Dayton, there are 78.9 snowfall days, and 46.3" (1176mm) of snow is accumulated.

Daylight

In Dayton, the average length of the day is 9.3h.

Sunshine

In January, the average sunshine is 6.3h.

UV index

Months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the average humidity in January in Dayton?

The average relative humidity in January in Dayton is 77%.

How many days does it rain in January in Dayton?

In January, in Dayton, the rain falls for 9 days. Throughout January, 0.94" (24mm) of precipitation is accumulated.

How many days does it snow in January in Dayton?

In January, in Dayton, Wyoming, it is snowing for 13.2 days. Throughout January, 5.75" (146mm) of snow is accumulated.

What is the average length of the day in January in Dayton?

The average length of the day in January in Dayton, Wyoming, is 9.3h.

How long on average sun shines in January in Dayton?

The average sunshine in January in Dayton is 6.3h.

When is the lowest UV index in Dayton?

Months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2.

What is the UV index intensity in January in Dayton?

In Dayton, Wyoming, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.

Average temperature in January
Dayton, WY

Average temperature in January - Dayton, WY
  • Average high temperature in January: 30.4°F

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).

  • Average low temperature in January: 15.6°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).

[Resources]

Average pressure in January
Dayton, WY

Average pressure in January - Dayton, WY
  • Average pressure in January: 30.13"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.85").

[Resources]

Average wind speed in January
Dayton, WY

Average wind speed in January - Dayton, WY
  • Average wind speed in January: 7mph

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).

[Resources]

Average humidity in January
Dayton, WY

Average humidity in January - Dayton, WY
  • Average humidity in January: 77%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (46%).

[Resources]

Average rainfall in January
Dayton, WY

Average rainfall in January - Dayton, WY
  • Average rainfall in January: 0.94"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (0.75").

[Resources]

Average rainfall days in January
Dayton, WY

Average rainfall days in January - Dayton, WY
  • Average rainfall days in January: 9 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).

[Resources]

Average snowfall in January
Dayton, WY

Average snowfall in January - Dayton, WY
  • Average snowfall in January: 5.75"

The month with the highest snowfall is April (8.7").
Months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in January
Dayton, WY

Average snowfall days in January - Dayton, WY
  • Average snowfall days in January: 13.2 days

The month with the highest number of snowfall days is February (15.8 days).
Months with the least snowfall days are June, July and August (0 days).

[Resources]

Average daylight in January /
Average sunshine in January
Dayton, WY

Average daylight in January / Average sunshine in January - Dayton, WY
  • Average daylight in January: 9.3h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in January: 6.3h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 6.1h).

[Resources]

Average sunshine days in January
Dayton, WY

Average sunshine days in January - Dayton, WY
  • Average sunshine days in January: 13.6 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).

[Resources]

Average UV index in January
Dayton, WY

Average UV index in January - Dayton, WY
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

[Resources]

Average cloud cover in January
Dayton, WY

Average cloud cover in January - Dayton, WY
  • Average cloud cover in January: 33

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).

[Resources]

Average visibility in January
Dayton, WY

Average visibility in January - Dayton, WY
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location