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
Blue Hills's January weather, with an average high temperature of 33.1°F (0.6°C) and an average low temperature of 21.4°F (-5.9°C), tends to be the coldest of the year.Humidity
In January, the average relative humidity is 76%.Rainfall
In Blue Hills, in January, during 6.9 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Blue Hills, during the entire year, the rain falls for 113.2 days and collects up to 10.24" (260mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In January, it is snowing for 5.5 days. Throughout January, 0.91" (23mm) of snow is accumulated. In Blue Hills, during the entire year, snow falls for 21.5 days and aggregates up to 4.45" (113mm) of snow.Daylight
In January, the average length of the day is 9h and 33min.On the first day of January, sunrise is at 7:18 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:04 pm EST.
Sunshine
The average sunshine in January is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in Blue Hills in January?
How many hours of daylight does Blue Hills have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Blue Hills have in January?
What is the month with the lowest UV index in Blue Hills?
What is the UV index intensity in January?
Average temperature in January
Blue Hills, CT
- Average high temperature in January: 33.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in January: 21.4°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 (21.4°F).
Average pressure in January
Blue Hills, 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
Blue Hills, 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
Blue Hills, 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
Blue Hills, CT
- Average rainfall in January: 0.63"
The wettest months (with the highest rainfall) are June and July (1.06").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in January
Blue Hills, CT
- Average rainfall days in January: 6.9 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in January
Blue Hills, CT
- Average snowfall in January: 0.91"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Blue Hills, CT
- Average snowfall days in January: 5.5 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Blue Hills, 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
Blue Hills, CT
- Average sunshine days in January: 20.4 days
The months with the most sunshine days are January and November (20.4 days).
The month with the least sunshine days is June (16.3 days).
Average UV index in January
Blue Hills, CT
- 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, March, November and December (UV index 2).
Average cloud cover in January
Blue Hills, 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
Blue Hills, CT
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Blue Hills, Connecticut, USA
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