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
January, with an average high of 40.8°F (4.9°C) and a low of 26.1°F (-3.3°C), signifies the coldest month of the year.Humidity
In Graff, the average relative humidity in January is 75%.Rainfall
In January, in Graff, the rain falls for 7.8 days. Throughout January, 1.93" (49mm) of precipitation is accumulated. In Graff, during the entire year, the rain falls for 154.1 days and collects up to 32.83" (834mm) of precipitation.Snowfall
Months with snowfall in Graff are January through May, November and December. The month with the most snowfall is January, when snow falls for 5 days and typically aggregates up to 2.4" (61mm) of snow.Daylight
The average length of the day in January in Graff is 9h and 56min.On the first day of the month, sunrise is at 7:23 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:13 am and sunset at 5:31 pm CST.
Sunshine
In Graff, Missouri, the average sunshine in January is 5.1h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Enhance your sun protection with tightly woven, yet airy clothing. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Graff?
Is January cold in Graff?
What is the average humidity in January in Graff?
How many days does it rain in January in Graff?
What is the snowiest month in Graff?
How many days does it snow in January in Graff?
What is the average length of the day in January in Graff?
When are sunrise and sunset in January in Graff?
How long on average sun shines in January in Graff?
When is the lowest UV index in Graff?
What is the UV index reading in January in Graff?
Average temperature in January
Graff, MO
- Average high temperature in January: 40.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Graff, MO
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Graff, MO
- Average wind speed in January: 8.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in January
Graff, MO
- Average humidity in January: 75%
The months with the highest relative humidity are March and May (79%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in January
Graff, MO
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in January
Graff, MO
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in January
Graff, MO
- Average snowfall in January: 2.4"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Graff, MO
- Average snowfall days in January: 5 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Graff, MO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Graff, MO
- Average sunshine days in January: 18.9 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is August (11.5 days).
Average UV index in January
Graff, 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 and December (UV index 2).
Average cloud cover in January
Graff, MO
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 30).
Average visibility in January
Graff, MO
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Graff, Missouri, USA
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