January weather forecast
Crystal Lake, CT

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Weather in January

January, like December, in Crystal Lake, Connecticut, is an icy winter month, with temperature in the range of an average low of 19.8°F (-6.8°C) and an average high of 32.4°F (0.2°C).

Temperature

The coldest period tends to be January, when average temperatures fluctuate between a high of 32.4°F (0.2°C) and a low of 19.8°F (-6.8°C).

Humidity

In January, the average relative humidity is 78%.

Rainfall

In Crystal Lake, in January, it is raining for 5.5 days, with typically 0.51" (13mm) of accumulated precipitation. In Crystal Lake, during the entire year, the rain falls for 105.6 days and collects up to 9.84" (250mm) of precipitation.

Snowfall

Months with snowfall in Crystal Lake are January through May, November and December. In Crystal Lake, in January, during 5.3 snowfall days, 0.71" (18mm) of snow is typically accumulated. In Crystal Lake, during the entire year, snow falls for 23.1 days and aggregates up to 4.69" (119mm) of snow.

Daylight

The average length of the day in January is 9h and 32min.
On the first day of January in Crystal Lake, sunrise is at 7:17 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:02 pm EST.

Sunshine

In Crystal Lake, Connecticut, the average sunshine in January is 5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Crystal Lake. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 during January leads to these advisories:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What time of the year is the coldest in Crystal Lake?

The month of January sees the average lowest temperatures, reaching 32.4°F (0.2°C) at the peak and 19.8°F (-6.8°C) at the low.

How cold is it in Crystal Lake in January?

In January, in Crystal Lake, the average high-temperature is 32.4°F (0.2°C), and the average low-temperature is 19.8°F (-6.8°C).

What is the average humidity in January in Crystal Lake?

In January, the average relative humidity in Crystal Lake, Connecticut, is 78%.

How much does it rain in Crystal Lake in January?

In January, in Crystal Lake, the rain falls for 5.5 days. Throughout January, 0.51" (13mm) of precipitation is accumulated.

How much does it snow in Crystal Lake in January?

In January, in Crystal Lake, Connecticut, it is snowing for 5.3 days. Throughout January, 0.71" (18mm) of snow is accumulated.

How many hours of daylight does Crystal Lake have in January?

In Crystal Lake, Connecticut, the average day length in January is 9h and 32min.

What time are sunrise and sunset in January in Crystal Lake?

In January, on the first day of the month, sunrise is at 7:17 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:02 pm EST.

How many hours of sunshine does Crystal Lake have in January?

In January, the average sunshine duration in Crystal Lake, Connecticut, is 5h.

What are the months with the lowest UV index in Crystal Lake?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in January in Crystal Lake?

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Crystal Lake, CT

Average temperature in January - Crystal Lake, CT
  • Average high temperature in January: 32.4°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.4°F).

  • Average low temperature in January: 19.8°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in January
Crystal Lake, CT

Average pressure in January - Crystal Lake, CT
  • Average pressure in January: 30.03"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Crystal Lake, CT

Average wind speed in January - Crystal Lake, CT
  • Average wind speed in January: 8.2mph

The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in January
Crystal Lake, CT

Average humidity in January - Crystal Lake, CT
  • Average humidity in January: 78%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in January
Crystal Lake, CT

Average rainfall in January - Crystal Lake, CT
  • Average rainfall in January: 0.51"

The wettest months (with the highest rainfall) are May, June and July (1.1").
The driest month (with the least rainfall) is September (0.39").

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Average rainfall days in January
Crystal Lake, CT

Average rainfall days in January - Crystal Lake, CT
  • Average rainfall days in January: 5.5 days

The month with the highest number of rainy days is June (12.1 days).
The months with the least rainy days are January and February (5.5 days).

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Average snowfall in January
Crystal Lake, CT

Average snowfall in January - Crystal Lake, CT
  • Average snowfall in January: 0.71"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Crystal Lake, CT

Average snowfall days in January - Crystal Lake, CT
  • Average snowfall days in January: 5.3 days

The month with the highest number of snowfall days is February (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Crystal Lake, CT

Average daylight in January / Average sunshine in January - Crystal Lake, CT
  • Average daylight in January: 9h and 3min

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 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in January
Crystal Lake, CT

Average sunshine days in January - Crystal Lake, CT
  • Average sunshine days in January: 21.9 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.7 days).

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Average UV index in January
Crystal Lake, CT

Average UV index in January - Crystal Lake, 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).

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Average cloud cover in January
Crystal Lake, CT

Average cloud cover in January - Crystal Lake, CT
  • Average cloud cover in January: 46

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in January
Crystal Lake, CT

Average visibility in January - Crystal Lake, 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).

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Crystal Lake, Connecticut, USA

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