January weather forecast
Rockville, MN

Weather in January

January, like December, is another subzero cold winter month in Rockville, Minnesota, with temperature in the range of an average high of 18.7°F (-7.4°C) and an average low of 5.4°F (-14.8°C).

Temperature

The coldest month is January, with an average high-temperature of 18.7°F (-7.4°C) and an average low-temperature of 5.4°F (-14.8°C).

Humidity

January is the most humid month in Rockville, Minnesota, with an average relative humidity of 91%.

Rainfall

January is the month with the least rainfall. Rain falls for 2.2 days and accumulates 0.43" (11mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Rockville, snow falls for 14.4 days, with typically accumulated 2.68" (68mm) of snow. Throughout the year, there are 61 snowfall days, and 16.81" (427mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 11min.
On the first day of the month, sunrise is at 7:57 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:39 am and sunset at 5:22 pm CST.

Sunshine

The month with the least sunshine in Rockville is January, with an average of 3.3h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Rockville. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 1 in January transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Rockville?

January is the coldest month in Rockville, Minnesota, with an average high-temperature of 18.7°F (-7.4°C) and an average low-temperature of 5.4°F (-14.8°C).

What is the temperature in January in Rockville?

The average high-temperature, in January, in Rockville, is 18.7°F (-7.4°C), while the average low-temperature is 5.4°F (-14.8°C).

What is the most humid month in Rockville?

January is the most humid month, with an average relative humidity of 91%.

What is the average humidity in January in Rockville?

In Rockville, the average relative humidity in January is 91%.

What is the driest month in Rockville?

The month with the least rainfall in Rockville, Minnesota, is January, when the rain falls for 2.2 days and typically collects 0.43" (11mm) of precipitation.

How much does it rain in Rockville in January?

In Rockville, Minnesota, in January, it is raining for 2.2 days, with typically 0.43" (11mm) of accumulated precipitation.

How many days does it snow in January in Rockville?

In Rockville, during January, snow falls for 14.4 days and regularly aggregates up to 2.68" (68mm) of snow.

How many hours of daylight does Rockville have in January?

In January, the average day length in Rockville, Minnesota, is 9h and 11min.

When are sunrise and sunset in January in Rockville?

In January, on the first day of the month, sunrise is at 7:57 am and sunset at 4:44 pm. On the last day of the month, in Rockville, Minnesota, sunrise is at 7:39 am and sunset at 5:22 pm CST.

What is the month with the least sunshine in Rockville?

With an average of 3.3h of sunshine, January has the least sunshine of the year in Rockville, Minnesota.

How long on average sun shines in January in Rockville?

In Rockville, Minnesota, the average sunshine duration in January is 3.3h.

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

January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the UV index reading in January in Rockville?

The average daily maximum UV index in January is 1. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Rockville, MN

Average temperature in January - Rockville, MN
  • Average high temperature in January: 18.7°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 (18.7°F).

  • Average low temperature in January: 5.4°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

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Average pressure in January
Rockville, MN

Average pressure in January - Rockville, MN
  • Average pressure in January: 30.14"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in January
Rockville, MN

Average wind speed in January - Rockville, MN
  • Average wind speed in January: 8.9mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in January
Rockville, MN

Average humidity in January - Rockville, MN
  • Average humidity in January: 91%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (70%).

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Average rainfall in January
Rockville, MN

Average rainfall in January - Rockville, MN
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in January
Rockville, MN

Average rainfall days in January - Rockville, MN
  • Average rainfall days in January: 2.2 days

The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is January (2.2 days).

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Average snowfall in January
Rockville, MN

Average snowfall in January - Rockville, MN
  • Average snowfall in January: 2.68"

The month with the highest snowfall is December (4.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in January
Rockville, MN

Average snowfall days in January - Rockville, MN
  • Average snowfall days in January: 14.4 days

The month with the highest number of snowfall days is January (14.4 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
Rockville, MN

Average daylight in January / Average sunshine in January - Rockville, MN
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in January: 3h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in January
Rockville, MN

Average sunshine days in January - Rockville, MN
  • Average sunshine days in January: 16.6 days

The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is June (12.4 days).

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Average UV index in January
Rockville, MN

Average UV index in January - Rockville, MN
  • Average UV index in January: 1

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

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Average cloud cover in January
Rockville, MN

Average cloud cover in January - Rockville, MN
  • Average cloud cover in January: 67

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in January
Rockville, MN

Average visibility in January - Rockville, MN
  • Average visibility in January: 4mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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