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
With average high and low temperatures of 24.3°F (-4.3°C) and 12°F (-11.1°C) respectively, January is Graf's coldest month.Humidity
The most humid month in Graf is January, with an average relative humidity of 88%.Rainfall
January and February are months with the least rain in Graf when the rain falls for 4.5 days and typically aggregates up to 1.02" (26mm) of rain.Snowfall
January through April, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 13.7 days and accumulates 4.29" (109mm) of snow.Daylight
In January, the average length of the day is 9h and 29min.On the first day of the month, sunrise is at 7:33 am and sunset at 4:40 pm. On the last day of January, in Graf, sunrise is at 7:18 am and sunset at 5:15 pm CST.
Sunshine
With an average of 3.5h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index in Graf are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: During January, 1 as the daily maximum UV index converts into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Graf?
How cold is it in Graf in January?
What is the most humid month in Graf?
What is the average humidity in January in Graf?
What is the driest month in Graf?
How many days does it rain in January in Graf?
What is the snowiest month in Graf?
How much does it snow in Graf in January?
What is the average length of the day in January in Graf?
What time are sunrise and sunset in January in Graf?
What is the month with the least sunshine in Graf?
How many hours of sunshine does Graf have in January?
When is the lowest UV index in Graf?
What is the UV index reading in January in Graf?
Average temperature in January
Graf, IA
- Average high temperature in January: 24.3°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in January: 12°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in January
Graf, IA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Graf, IA
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
Graf, IA
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (76%).
Average rainfall in January
Graf, IA
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is June (3.5").
The driest months (with the least rainfall) are January and February (1.02").
Average rainfall days in January
Graf, IA
- Average rainfall days in January: 4.5 days
The months with the highest number of rainy days are May and June (18.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in January
Graf, IA
- Average snowfall in January: 4.29"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Graf, IA
- Average snowfall days in January: 13.7 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Graf, IA
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Graf, IA
- Average sunshine days in January: 14.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in January
Graf, IA
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Graf, IA
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Graf, IA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Graf, Iowa, USA
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