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
Greencastle's coldest month, January, generally records average temperatures ranging from a high of 33.6°F (0.9°C) to a low of 20.8°F (-6.2°C).Humidity
The average relative humidity in January in Greencastle is 81%.Rainfall
In Greencastle, during January, the rain falls for 6.6 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Greencastle, during the entire year, the rain falls for 118.9 days and collects up to 12.13" (308mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Greencastle, Indiana, in January, during 5.8 snowfall days, 0.98" (25mm) of snow is typically accumulated. Throughout the year, there are 22.2 snowfall days, and 3.82" (97mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 45min.On the first day of January in Greencastle, sunrise is at 8:08 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 6:05 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 4.2h of sunshine.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What part of the year is the coldest in Greencastle?
How cold is January in Greencastle?
What is the average humidity in January in Greencastle?
How many days does it rain in January in Greencastle?
How many days does it snow in January in Greencastle?
How many hours of daylight does Greencastle have in January?
When is the sunrise / sunset in January in Greencastle?
What is the month with the least sunshine in Greencastle?
How long on average sun shines in January in Greencastle?
What are the months with the lowest UV index in Greencastle?
What is the UV index intensity in January in Greencastle?
Average temperature in January
Greencastle, IN
- Average high temperature in January: 33.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in January: 20.8°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in January
Greencastle, IN
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Greencastle, IN
- Average wind speed in January: 9.9mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in January
Greencastle, IN
- Average humidity in January: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Greencastle, IN
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in January
Greencastle, IN
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in January
Greencastle, IN
- Average snowfall in January: 0.98"
The month with the highest snowfall is December (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Greencastle, IN
- Average snowfall days in January: 5.8 days
The month with the highest number of snowfall days is January (5.8 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
Greencastle, IN
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Greencastle, IN
- Average sunshine days in January: 20.4 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in January
Greencastle, IN
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in January
Greencastle, IN
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Greencastle, IN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Greencastle, Indiana, USA
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