January weather forecast
Randolph, MA

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Weather in January

January, like December, in Randolph, Massachusetts, is an icy winter month, with an average temperature ranging between min 21.9°F (-5.6°C) and max 33.6°F (0.9°C).

Temperature

In Randolph, Massachusetts, January is the month with the lowest recorded average temperatures, measuring a high of 33.6°F (0.9°C) and a low of 21.9°F (-5.6°C).

Humidity

In Randolph, the average relative humidity in January is 77%.

Rainfall

In Randolph, Massachusetts, in January, during 7.8 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Randolph, during the entire year, the rain falls for 147.4 days and collects up to 28.39" (721mm) of precipitation.

Snowfall

Months with snowfall in Randolph, Massachusetts, are January through April, October through December. In Randolph, in January, during 7.9 snowfall days, 3.39" (86mm) of snow is typically accumulated. Throughout the year, in Randolph, there are 32.7 snowfall days, and 22.01" (559mm) of snow is accumulated.

Daylight

In Randolph, Massachusetts, the average length of the day in January is 9h and 31min.
On the first day of January in Randolph, sunrise is at 7:12 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:56 pm EST.

Sunshine

The average sunshine in January is 5.1h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Randolph. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 2 in January suggests the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What month is the coldest in Randolph?

Randolph's coldest month, January, registers temperatures that range from a high of 33.6°F (0.9°C) to a low of 21.9°F (-5.6°C).

How cold is January in Randolph?

January temperatures in Randolph, Massachusetts, vary between a high-temperature of 33.6°F (0.9°C) and a low-temperature of 21.9°F (-5.6°C).

What is the average humidity in January in Randolph?

In Randolph, Massachusetts, the average relative humidity in January is 77%.

How much does it rain in Randolph in January?

In Randolph, Massachusetts, during January, the rain falls for 7.8 days and regularly aggregates up to 2.32" (59mm) of precipitation.

How much does it snow in Randolph in January?

In Randolph, in January, during 7.9 snowfall days, 3.39" (86mm) of snow is typically accumulated.

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

In January, the average day length is 9h and 31min.

When are sunrise and sunset in January in Randolph?

In January, on the first day of the month, sunrise is at 7:12 am and sunset at 4:22 pm. On the last day of the month, in Randolph, sunrise is at 6:58 am and sunset at 4:56 pm EST.

How long on average sun shines in January in Randolph?

In January, the average sunshine duration in Randolph, Massachusetts, is 5.1h.

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

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

What is the UV index intensity in January in Randolph?

In Randolph, Massachusetts, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
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
Randolph, MA

Average temperature in January - Randolph, MA
  • Average high temperature in January: 33.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in January: 21.9°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure in January
Randolph, MA

Average pressure in January - Randolph, MA
  • Average pressure in January: 30.01"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in January
Randolph, MA

Average wind speed in January - Randolph, MA
  • Average wind speed in January: 9.5mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in January
Randolph, MA

Average humidity in January - Randolph, MA
  • Average humidity in January: 77%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in January
Randolph, MA

Average rainfall in January - Randolph, MA
  • Average rainfall in January: 2.32"

The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in January
Randolph, MA

Average rainfall days in January - Randolph, MA
  • Average rainfall days in January: 7.8 days

The month with the highest number of rainy days is July (15.8 days).
The months with the least rainy days are January and February (7.8 days).

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Average snowfall in January
Randolph, MA

Average snowfall in January - Randolph, MA
  • Average snowfall in January: 3.39"

The month with the highest snowfall is March (5.24").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in January
Randolph, MA

Average snowfall days in January - Randolph, MA
  • Average snowfall days in January: 7.9 days

The month with the highest number of snowfall days is February (8.2 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
Randolph, MA

Average daylight in January / Average sunshine in January - Randolph, MA
  • 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in January
Randolph, MA

Average sunshine days in January - Randolph, MA
  • Average sunshine days in January: 17.3 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is April (13.2 days).

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Average UV index in January
Randolph, MA

Average UV index in January - Randolph, MA
  • 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
Randolph, MA

Average cloud cover in January - Randolph, MA
  • Average cloud cover in January: 45

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in January
Randolph, MA

Average visibility in January - Randolph, MA
  • 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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Randolph, Massachusetts, USA

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