January weather forecast
Haddam, CT

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Weather in January

January, like December, in Haddam, Connecticut, is another cold winter month, with an average temperature varying between 34.7°F (1.5°C) and 22.8°F (-5.1°C).

Temperature

In Haddam, the lowest temperatures are generally noted in January, averaging a high of 34.7°F (1.5°C) and a low of 22.8°F (-5.1°C).

Humidity

The average relative humidity in January in Haddam is 75%.

Rainfall

In Haddam, in January, it is raining for 5.9 days, with typically 0.75" (19mm) of accumulated precipitation. In Haddam, during the entire year, the rain falls for 109.9 days and collects up to 11.14" (283mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Haddam. In January, it is snowing for 4.6 days. Throughout January, 0.67" (17mm) of snow is accumulated. In Haddam, during the entire year, snow falls for 19.9 days and aggregates up to 3.7" (94mm) of snow.

Daylight

In January, the average length of the day is 9h and 35min.
On the first day of January in Haddam, sunrise is at 7:16 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:04 pm EST.

Sunshine

The average sunshine in January in Haddam is 4.9h.

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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During January, 2 as the daily maximum UV index converts into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To protect against the Sun's most potent rays, avoid direct exposure around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What part of the year is the coldest in Haddam?

January, on average, is the coldest month in Haddam, registering a high temperature of 34.7°F (1.5°C) and a low of 22.8°F (-5.1°C).

How cold is it in Haddam in January?

The average high-temperature and low-temperature in Haddam, Connecticut, during January are 34.7°F (1.5°C) and 22.8°F (-5.1°C) respectively.

What is the average humidity in January in Haddam?

The average relative humidity in January in Haddam, Connecticut, is 75%.

How many days does it rain in January in Haddam?

In Haddam, Connecticut, in January, it is raining for 5.9 days, with typically 0.75" (19mm) of accumulated precipitation.

How much does it snow in Haddam in January?

In Haddam, in January, during 4.6 snowfall days, 0.67" (17mm) of snow is typically accumulated.

How many hours of daylight does Haddam have in January?

The average day length in January in Haddam, Connecticut, is 9h and 35min.

What time are sunrise and sunset in January in Haddam?

On the first day of January, sunrise is at 7:16 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:04 pm EST.

How long on average sun shines in January in Haddam?

In January, the average sunshine duration in Haddam is 4.9h.

What is the month with the lowest UV index in Haddam?

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

What is the UV index reading in January in Haddam?

In Haddam, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Haddam, CT

Average temperature in January - Haddam, CT
  • Average high temperature in January: 34.7°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in January: 22.8°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in January
Haddam, CT

Average pressure in January - Haddam, 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
Haddam, CT

Average wind speed in January - Haddam, CT
  • Average wind speed in January: 8.6mph

The windiest months (with the highest average wind speed) are January and March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in January
Haddam, CT

Average humidity in January - Haddam, CT
  • Average humidity in January: 75%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in January
Haddam, CT

Average rainfall in January - Haddam, CT
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is July (1.18").
The driest month (with the least rainfall) is September (0.39").

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Average rainfall days in January
Haddam, CT

Average rainfall days in January - Haddam, CT
  • Average rainfall days in January: 5.9 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in January
Haddam, CT

Average snowfall in January - Haddam, CT
  • Average snowfall in January: 0.67"

The month with the highest snowfall is March (1.14").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Haddam, CT

Average snowfall days in January - Haddam, CT
  • Average snowfall days in January: 4.6 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Haddam, CT

Average daylight in January / Average sunshine in January - Haddam, 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).

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Average sunshine days in January
Haddam, CT

Average sunshine days in January - Haddam, CT
  • Average sunshine days in January: 20.2 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (16.3 days).

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Average UV index in January
Haddam, CT

Average UV index in January - Haddam, 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
Haddam, CT

Average cloud cover in January - Haddam, CT
  • Average cloud cover in January: 47

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in January
Haddam, CT

Average visibility in January - Haddam, CT
  • Average visibility in January: 6mi

The months with the highest visibility are January, March, April, September, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July and August (5mi).

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Haddam, Connecticut, USA

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