January weather forecast
Plainville, CT

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Weather in January

January, the same as December, is an icy winter month in Plainville, Connecticut, with an average temperature ranging between min 21.2°F (-6°C) and max 33.3°F (0.7°C).

Temperature

The month of January sees the lowest average temperatures, reaching 33.3°F (0.7°C) at the peak and 21.2°F (-6°C) at the low.

Humidity

In January, the average relative humidity is 76%.

Rainfall

In January, the rain falls for 9.8 days. Throughout January, 2.36" (60mm) of precipitation is accumulated. In Plainville, during the entire year, the rain falls for 167.6 days and collects up to 33.35" (847mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Plainville, Connecticut. In Plainville, Connecticut, during January, snow falls for 7.9 days and regularly aggregates up to 3.19" (81mm) of snow. In Plainville, during the entire year, snow falls for 31.7 days and aggregates up to 17.2" (437mm) of snow.

Daylight

In Plainville, Connecticut, the average length of the day in January is 9h and 34min.
On the first day of January in Plainville, Connecticut, sunrise is at 7:18 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:05 pm EST.

Sunshine

In Plainville, the average sunshine in January is 5h.

UV index

In January, the average daily maximum UV index in Plainville is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 2 in January suggests the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Plainville?

January is Plainville's coldest month, registering average high temperatures of 33.3°F (0.7°C) and lows of 21.2°F (-6°C).

How cold is January in Plainville?

In Plainville, in January, the average high-temperature is 33.3°F (0.7°C), and the average low-temperature is 21.2°F (-6°C).

What is the average humidity in January in Plainville?

In Plainville, Connecticut, the average relative humidity in January is 76%.

How much does it rain in Plainville in January?

In January, in Plainville, Connecticut, the rain falls for 9.8 days. Throughout January, 2.36" (60mm) of precipitation is accumulated.

How many days does it snow in January in Plainville?

In Plainville, Connecticut, during January, snow falls for 7.9 days and regularly aggregates up to 3.19" (81mm) of snow.

What is the average length of the day in January in Plainville?

In Plainville, Connecticut, the average day length in January is 9h and 34min.

What time are sunrise and sunset in January in Plainville?

On the first day of January in Plainville, sunrise is at 7:18 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:05 pm EST.

How long on average sun shines in January in Plainville?

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

What is the UV index reading in January in Plainville?

The average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Plainville, CT

Average temperature in January - Plainville, CT
  • Average high temperature in January: 33.3°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 (33.3°F).

  • Average low temperature in January: 21.2°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 (21.2°F).

Average pressure in January
Plainville, CT

Average pressure in January - Plainville, 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
Plainville, CT

Average wind speed in January - Plainville, 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 (5.3mph).

Average humidity in January
Plainville, CT

Average humidity in January - Plainville, 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 (71%).

Average rainfall in January
Plainville, CT

Average rainfall in January - Plainville, CT
  • Average rainfall in January: 2.36"

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in January
Plainville, CT

Average rainfall days in January - Plainville, CT
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in January
Plainville, CT

Average snowfall in January - Plainville, CT
  • Average snowfall in January: 3.19"

The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Plainville, CT

Average snowfall days in January - Plainville, CT
  • Average snowfall days in January: 7.9 days

The month with the highest number of snowfall days is February (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in January / Average sunshine in January - Plainville, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in January
Plainville, CT

Average sunshine days in January - Plainville, CT
  • Average sunshine days in January: 16.7 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in January
Plainville, CT

Average UV index in January - Plainville, CT
  • Average UV index in January: 2

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in January
Plainville, CT

Average cloud cover in January - Plainville, CT
  • Average cloud cover in January: 46

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

Average visibility in January
Plainville, CT

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

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

Plainville, Connecticut, USA

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