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
The coldest period is January, when temperatures fluctuate between an average high of 31.3°F (-0.4°C) and a low of 19.2°F (-7.1°C).Humidity
The average relative humidity in January is 79%.Rainfall
In January, the rain falls for 8.2 days. Throughout January, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 157.7 rainfall days, and 32.72" (831mm) of precipitation is accumulated.Snowfall
Months with snowfall in Harwinton, Connecticut, are January through May, October through December. In Harwinton, in January, snow falls for 9.2 days, with typically accumulated 4.25" (108mm) of snow. Throughout the year, in Harwinton, there are 40 snowfall days, and 20.55" (522mm) of snow is accumulated.Daylight
In Harwinton, the average length of the day in January is 9h and 34min.On the first day of January, sunrise is at 7:19 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:05 pm EST.
Sunshine
The average sunshine in January is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Harwinton. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 in January translates into these instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What time of the year is the coldest in Harwinton?
How cold is it in Harwinton in January?
What is the average humidity in January in Harwinton?
How much does it rain in Harwinton in January?
How much does it snow in Harwinton in January?
What is the average length of the day in January in Harwinton?
When is the sunrise / sunset in January in Harwinton?
How many hours of sunshine does Harwinton have in January?
What are the months with the lowest UV index in Harwinton?
What is the UV index intensity in January in Harwinton?
Average temperature in January
Harwinton, CT
- Average high temperature in January: 31.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in January: 19.2°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in January
Harwinton, CT
- Average pressure in January: 30.04"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
Harwinton, CT
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Harwinton, CT
- Average humidity in January: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (73%).
Average rainfall in January
Harwinton, CT
- Average rainfall in January: 2.2"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in January
Harwinton, CT
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in January
Harwinton, CT
- Average snowfall in January: 4.25"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Harwinton, CT
- Average snowfall days in January: 9.2 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Harwinton, 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: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Harwinton, CT
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in January
Harwinton, CT
- Average UV index in January: 2
The month with the highest UV index is June (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
Harwinton, CT
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in January
Harwinton, CT
- Average visibility in January: 5mi
The months with the highest visibility are April, November and December (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September and October (5mi).
Harwinton, Connecticut, USA
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