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
Rocky Hill, Connecticut, reaches its lowest average temperatures in January, measuring 33.4°F (0.8°C) at the peak and 21.2°F (-6°C) at the lowest.Humidity
In Rocky Hill, the average relative humidity in January is 76%.Rainfall
In January, in Rocky Hill, Connecticut, the rain falls for 9.2 days. Throughout January, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Rocky Hill, there are 164.5 rainfall days, and 32.09" (815mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Rocky Hill. In Rocky Hill, during January, snow falls for 7.1 days and regularly aggregates up to 2.87" (73mm) of snow. In Rocky Hill, during the entire year, snow falls for 29.1 days and aggregates up to 15.63" (397mm) of snow.Daylight
In Rocky Hill, the average length of the day in January is 9h and 34min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:30 pm. On the last day of January, sunrise is at 7:03 am and sunset at 5:04 pm EST.
Sunshine
The average sunshine in January in Rocky Hill, Connecticut, is 5.1h.UV index
In Rocky Hill, Connecticut, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What are the coldest months in Rocky Hill?
How cold is January in Rocky Hill?
What is the average humidity in January in Rocky Hill?
How many days does it rain in January in Rocky Hill?
How much does it snow in Rocky Hill in January?
How many hours of daylight does Rocky Hill have in January?
When is the sunrise / sunset in January in Rocky Hill?
How long on average sun shines in January in Rocky Hill?
What is the UV index reading in January in Rocky Hill?
Average temperature in January
Rocky Hill, CT
- Average high temperature in January: 33.4°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in January: 21.2°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in January
Rocky Hill, CT
- Average pressure in January: 30.03"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Rocky Hill, CT
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in January
Rocky Hill, CT
- Average humidity in January: 76%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in January
Rocky Hill, CT
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in January
Rocky Hill, CT
- Average rainfall days in January: 9.2 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in January
Rocky Hill, CT
- Average snowfall in January: 2.87"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Rocky Hill, CT
- Average snowfall days in January: 7.1 days
The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rocky Hill, CT
- Average daylight in January: 9h and 4min
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 12min).
- Average sunshine in January: 5h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Rocky Hill, CT
- Average sunshine days in January: 17.6 days
The month with the most sunshine days is January (17.6 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in January
Rocky Hill, CT
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Rocky Hill, CT
- Average cloud cover in January: 45
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in January
Rocky Hill, CT
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).
Rocky Hill, Connecticut, USA
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