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
Temperature records mark January as the coldest month, with highs averaging 32°F (0°C) and lows at 20.1°F (-6.6°C).Humidity
The average relative humidity in January is 82%.Rainfall
In Rob Roy, during January, the rain falls for 8.4 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Rob Roy, during the entire year, the rain falls for 161.5 days and collects up to 27.91" (709mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Rob Roy, in January, snow falls for 11 days, with typically accumulated 2.72" (69mm) of snow. In Rob Roy, during the entire year, snow falls for 37.6 days and aggregates up to 10.59" (269mm) of snow.Daylight
In January, the average length of the day in Rob Roy, Indiana, is 9h and 42min.On the first day of January in Rob Roy, sunrise is at 8:11 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 6:05 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 4.1h of sunshine.UV index
The average daily maximum UV index in January in Rob Roy, Indiana, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Rob Roy?
How cold is it in Rob Roy in January?
What is the average humidity in January in Rob Roy?
How many days does it rain in January in Rob Roy?
How many days does it snow in January in Rob Roy?
How many hours of daylight does Rob Roy have in January?
When is the sunrise / sunset in January in Rob Roy?
What is the month with the least sunshine in Rob Roy?
How long on average sun shines in January in Rob Roy?
What is the UV index intensity in January in Rob Roy?
Average temperature in January
Rob Roy, IN
- Average high temperature in January: 32°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in January: 20.1°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in January
Rob Roy, IN
- 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 (29.93"Hg).
Average wind speed in January
Rob Roy, IN
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Rob Roy, IN
- Average humidity in January: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Rob Roy, IN
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is April (3.39").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in January
Rob Roy, IN
- Average rainfall days in January: 8.4 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in January
Rob Roy, IN
- Average snowfall in January: 2.72"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Rob Roy, IN
- Average snowfall days in January: 11 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rob Roy, IN
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Rob Roy, IN
- Average sunshine days in January: 13.8 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9 days).
Average UV index in January
Rob Roy, IN
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Rob Roy, IN
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in January
Rob Roy, 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).
Rob Roy, Indiana, USA
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