Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The month of January, characterized by an average high of 38.8°F (3.8°C) and a low of 24.3°F (-4.3°C), is recognized as the coldest.Humidity
In Dayton, the average relative humidity in January is 73%.Rainfall
January is the month with the least rainfall. Rain falls for 3.5 days and accumulates 0.35" (9mm) of precipitation.Snowfall
January through March, May, October through December are months with snowfall in Dayton. In Dayton, Missouri, in January, snow falls for 2.8 days, with typically accumulated 0.59" (15mm) of snow. In Dayton, during the entire year, snow falls for 11.5 days and aggregates up to 2.2" (56mm) of snow.Daylight
The average length of the day in January in Dayton is 9h and 51min.On the first day of the month, sunrise is at 7:34 am and sunset at 5:06 pm. On the last day of January, sunrise is at 7:23 am and sunset at 5:37 pm CST.
Sunshine
With an average of 5.3h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Dayton are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in January translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Dayton?
How cold does it get in Dayton in January?
What is the average humidity in January in Dayton?
What is the driest month in Dayton?
How much does it rain in Dayton in January?
How many days does it snow in January in Dayton?
What is the average length of the day in January in Dayton?
What time are sunrise and sunset in January in Dayton?
What is the month with the least sunshine in Dayton?
How many hours of sunshine does Dayton have in January?
When is the lowest UV index in Dayton?
What is the UV index intensity in January in Dayton?
Average temperature in January
Dayton, MO
- Average high temperature in January: 38.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Dayton, MO
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Dayton, MO
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in January
Dayton, MO
- Average humidity in January: 73%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Dayton, MO
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in January
Dayton, MO
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in January
Dayton, MO
- Average snowfall in January: 0.59"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in January
Dayton, MO
- Average snowfall days in January: 2.8 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Dayton, MO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in January
Dayton, MO
- Average sunshine days in January: 25.2 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in January
Dayton, MO
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Dayton, MO
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in January
Dayton, MO
- Average visibility in January: 6mi
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, Missouri, USA
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