January weather forecast
Middletown, NJ

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Weather in January

Middletown has a cold start to the year in January. While the temperature does not reach extremes, the minimal sunlight, at an average of 9.7 hours per day, and the high relative humidity of 74% make the weather feel colder than it is. There are visible snowflakes with a possibility of around 0.47" (12mm) of accumulated snow across the month. The city experiences an average rainfall of 0.63" (16mm) across six days, adding to the chilly, damp conditions. Despite these conditions, Middletown's everyday life continues with residents adapting to the colder temperatures.

Temperature

Middletown's coldest month, January, generally records average temperatures ranging from a high of 37.8°F (3.2°C) to a low of 27.9°F (-2.3°C).

Humidity

In Middletown, the average relative humidity in January is 74%.

Rainfall

The month with the least rainfall is January, when the rain falls for 6.6 days and typically collects 0.63" (16mm) of precipitation.

Snowfall

January through March, October through December are months with snowfall in Middletown. The months with the most snowfall in Middletown, New Jersey, are January and December, with an average 0.47" (12mm) of accumulated snow.

Daylight

In January, the average length of the day is 9h and 41min.
On the first day of January, sunrise is at 7:19 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:12 pm EST.

Sunshine

The average sunshine in January is 5.2h.

UV index

The months with the lowest UV index in Middletown 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 low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 in January translates into these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What month is the coldest in Middletown?

With an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 27.9°F (-2.3°C), January is the coldest month.

How cold is it in Middletown in January?

In Middletown, in January, the average high-temperature is 37.8°F (3.2°C), and the average low-temperature is 27.9°F (-2.3°C).

What is the average humidity in January in Middletown?

In Middletown, New Jersey, the average relative humidity in January is 74%.

What is the driest month in Middletown?

The month with the least rainfall in Middletown, New Jersey, is January, when the rain falls for 6.6 days and typically collects 0.63" (16mm) of precipitation.

How many days does it rain in January in Middletown?

In January, in Middletown, the rain falls for 6.6 days. Throughout January, 0.63" (16mm) of precipitation is accumulated.

When does it snow the most in Middletown?

The months with the most snowfall in Middletown are January and December, with an average 0.47" (12mm) of accumulated snow.

How much does it snow in Middletown in January?

In Middletown, in January, snow falls for 4.7 days, with typically accumulated 0.47" (12mm) of snow.

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

In Middletown, the average day length in January is 9h and 41min.

When is the sunrise / sunset in January in Middletown?

On the first day of January in Middletown, sunrise is at 7:19 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:12 pm EST.

How many hours of sunshine does Middletown have in January?

In Middletown, the average sunshine duration in January is 5.2h.

What are the months with the lowest UV index in Middletown?

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

How high is the UV index in January in Middletown?

The average daily maximum UV index in January in Middletown is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
43.9°F 6.6°C
37.8°F 3.2°C
40.3°F 4.6°C
Average low temperature
35.4°F 1.9°C
27.9°F -2.3°C
29.7°F -1.3°C
Average pressure
30.08" 764mmHg
30.06" 764mmHg
30.04" 763mmHg
Average wind speed
11mph 17.7km/h
11.7mph 18.8km/h
11.4mph 18.3km/h
Average max. wind speed
11.8mph 19km/h
12.4mph 20km/h
12.1mph 19.5km/h
Average wind speed gusts
16.5mph 26.6km/h
17.3mph 27.8km/h
17.5mph 28.2km/h
Average humidity
76%
74%
76%
Average rainfall
1.14" 29mm
0.63" 16mm
0.67" 17mm
Average rainfall days
9.3
6.6
7.1
Average snowfall
0.47" 12mm
0.47" 12mm
0.24" 6mm
Average snowfall days
3.4
4.7
3.8
Average daylight
9h 2min
9h 4min
10h 4min
Average sunshine
5h 1min
5h 1min
4h 5min
Average sunshine days
18
21
18
Average UV index
2
2
2
Average cloud cover
46%
43%
47%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Middletown, NJ

Average temperature in January - Middletown, NJ
  • Average high temperature in January: 37.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in January: 27.9°F

The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

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Average pressure in January
Middletown, NJ

Average pressure in January - Middletown, NJ
  • Average pressure in January: 30.06"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Middletown, NJ

Average wind speed in January - Middletown, NJ
  • Average wind speed in January: 11.7mph

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

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Average humidity in January
Middletown, NJ

Average humidity in January - Middletown, NJ
  • Average humidity in January: 74%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is November (73%).

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Average rainfall in January
Middletown, NJ

Average rainfall in January - Middletown, NJ
  • Average rainfall in January: 0.63"

The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is January (0.63").

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Average rainfall days in January
Middletown, NJ

Average rainfall days in January - Middletown, NJ
  • Average rainfall days in January: 6.6 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in January
Middletown, NJ

Average snowfall in January - Middletown, NJ
  • Average snowfall in January: 0.47"

The months with the highest snowfall are January and December (0.47").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in January
Middletown, NJ

Average snowfall days in January - Middletown, NJ
  • Average snowfall days in January: 4.7 days

The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Middletown, NJ

Average daylight in January / Average sunshine in January - Middletown, NJ
  • Average daylight in January: 9h and 4min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in January
Middletown, NJ

Average sunshine days in January - Middletown, NJ
  • Average sunshine days in January: 21 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.2 days).

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Average UV index in January
Middletown, NJ

Average UV index in January - Middletown, NJ
  • 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
Middletown, NJ

Average cloud cover in January - Middletown, NJ
  • Average cloud cover in January: 43

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in January
Middletown, NJ

Average visibility in January - Middletown, NJ
  • Average visibility in January: 6mi

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

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Middletown, New Jersey, USA

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