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
Watertown experiences its lowest average temperatures in January, reaching a peak of 33.3°F (0.7°C) and a minimum of 21.4°F (-5.9°C).Humidity
In January, the average relative humidity in Watertown, Connecticut, is 77%.Rainfall
In Watertown, Connecticut, in January, during 7.3 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Watertown, during the entire year, the rain falls for 158.5 days and collects up to 34.57" (878mm) of precipitation.Snowfall
Months with snowfall in Watertown are January through May, October through December. In Watertown, in January, snow falls for 7.7 days, with typically accumulated 4.13" (105mm) of snow. Throughout the year, there are 34.9 snowfall days, and 20.35" (517mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 34min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:32 pm. On the last day of January, in Watertown, sunrise is at 7:05 am and sunset at 5:06 pm EST.
Sunshine
The average sunshine in January in Watertown is 4.9h.UV index
The months with the lowest UV index in Watertown are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during January translates into the following guidance:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the coldest time of year in Watertown?
How cold is it in Watertown in January?
What is the average humidity in January in Watertown?
How many days does it rain in January in Watertown?
How much does it snow in Watertown in January?
What is the average length of the day in January in Watertown?
When are sunrise and sunset in January in Watertown?
How long on average sun shines in January in Watertown?
What are the months with the lowest UV index in Watertown?
How high is the UV index in January in Watertown?
Average temperature in January
Watertown, CT
- Average high temperature in January: 33.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in January: 21.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in January
Watertown, 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
Watertown, CT
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Watertown, CT
- Average humidity in January: 77%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Watertown, CT
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in January
Watertown, CT
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in January
Watertown, CT
- Average snowfall in January: 4.13"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Watertown, CT
- Average snowfall days in January: 7.7 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Watertown, CT
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
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 30min).
Average sunshine days in January
Watertown, CT
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in January
Watertown, 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
Watertown, CT
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Watertown, 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).
Watertown, Connecticut, USA
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