Climate and monthly weather forecast
Rockville, MN

Weather in January

January, the same as December, in Rockville, Minnesota, is a freezing cold winter month, with an average temperature ranging between min 5.4°F (-14.8°C) and max 18.7°F (-7.4°C). With an average high-temperature of 18.7°F (-7.4°C) and an average low-temperature of 5.4°F (-14.8°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Rockville, Minnesota, with an average temperature varying between 8.4°F (-13.1°C) and 22.5°F (-5.3°C). In February, the average high-temperature is essentially the same as in January - a still freezing cold 22.5°F (-5.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Rockville, Minnesota, with an average temperature fluctuating between 23.4°F (-4.8°C) and 37.4°F (3°C). In March, the average high-temperature soars, from a subzero cold 22.5°F (-5.3°C) in February, to a wintry 37.4°F (3°C). Weather in March »

Weather in April

April is a cool spring month in Rockville, Minnesota, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 35.2°F (1.8°C). In Rockville, Minnesota, the average high-temperature in April rises from a cold 37.4°F (3°C) in March to a cool 51.4°F (10.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Rockville, Minnesota, with an average temperature ranging between min 47.3°F (8.5°C) and max 65.8°F (18.8°C). In May, the average high-temperature significantly increases from a cool 51.4°F (10.8°C) in April to a comfortable 65.8°F (18.8°C). Weather in May »

Weather in June

June, the first month of the summer in Rockville, is a warm month, with an average temperature ranging between max 76.1°F (24.5°C) and min 56.8°F (13.8°C). In June, the average high-temperature increases from an enjoyable 65.8°F (18.8°C) in May to a warm 76.1°F (24.5°C). Weather in June »

Weather in July

July, like June, in Rockville, Minnesota, is a moderately hot summer month, with an average temperature ranging between max 81.1°F (27.3°C) and min 61.2°F (16.2°C). July is the warmest month, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 61.2°F (16.2°C). The average heat index in July is evaluated at a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Rockville, Minnesota, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 78.6°F (25.9°C). In August, the average high-temperature is essentially the same as in July - a still warm 78.6°F (25.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Rockville, Minnesota, with an average temperature ranging between max 70.9°F (21.6°C) and min 50.9°F (10.5°C). In Rockville, the average high-temperature in September slightly decreases from a warm 78.6°F (25.9°C) in August to an agreeable 70.9°F (21.6°C). Weather in September »

Weather in October

October, like September, in Rockville, Minnesota, is another fresh autumn month, with an average temperature ranging between max 53.8°F (12.1°C) and min 39°F (3.9°C). In October, the average high-temperature significantly decreases from an agreeable 70.9°F (21.6°C) in September to a cool 53.8°F (12.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Rockville, is also a wintry month, with an average temperature ranging between max 38.7°F (3.7°C) and min 26.6°F (-3°C). In Rockville, the average high-temperature in November declines considerably from a cool 53.8°F (12.1°C) in October to a wintry 38.7°F (3.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Rockville, Minnesota, with temperature in the range of an average low of 13.5°F (-10.3°C) and an average high of 23.9°F (-4.5°C). In Rockville, the average high-temperature in December significantly decreases from a wintry 38.7°F (3.7°C) in November to a freezing cold 23.9°F (-4.5°C). Weather in December »
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FAQ

What is the coldest month in Rockville?

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).

What is the most humid month in Rockville?

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

What is the driest month in Rockville?

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

How many days does it rain in Rockville?

Throughout the year, there are 109.6 rainfall days, and 17.52" (445mm) of precipitation is accumulated.

When does it snow in Rockville?

January through May, October through December are months with snowfall in Rockville.

How much does it snow in Rockville?

Throughout the year, in Rockville, there are 61 snowfall days, and 16.81" (427mm) of snow is accumulated.

What is the month with the least sunshine in Rockville?

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

What are the months 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.

When is Daylight Saving Time (DST) in Rockville?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Rockville, Minnesota, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What is the least humid month in Rockville?

The months with the lowest humidity in Rockville are April and May, with an average relative humidity of 70%.

What is the wettest month in Rockville?

The month with the most rainfall is June, when the rain falls for 15.3 days and typically aggregates up to 3.03" (77mm) of precipitation.

When it does not snow in Rockville?

In Rockville, snow does not fall in June through September.

When are the longest days in Rockville?

June has the longest days of the year, with an average of 15h and 37min of daylight.

What is the warmest month in Rockville?

The warmest month in Rockville is July, with an average high-temperature of 81.1°F (27.3°C) and an average low-temperature of 61.2°F (16.2°C).

What month has the most sunshine in Rockville?

July has the most sunshine of the year in Rockville, with an average of 10h of sunshine.

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

With an average maximum UV index of 6, July is the month with the highest UV index in Rockville.

When does it snow the most in Rockville?

The month with the most snowfall in Rockville is December, when snow falls for 12.6 days and typically aggregates up to 4.13" (105mm) of snow.

What is the month with the shortest days in Rockville?

December has the shortest days of the year, with an average of 8h and 47min of daylight.

Average temperature
Rockville, MN

Average temperature - Rockville, MN

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).

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
Rockville, MN

Average pressure - Rockville, MN

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
Rockville, MN

Average wind speed - Rockville, MN

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
Rockville, MN

Average humidity - Rockville, MN

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
Rockville, MN

Average rainfall - Rockville, MN

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
Rockville, MN

Average rainfall days - Rockville, MN

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
Rockville, MN

Average snowfall - Rockville, MN

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
Rockville, MN

Average snowfall days - Rockville, MN

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 / Average sunshine
Rockville, MN

Average daylight / Average sunshine - Rockville, MN

The month with the longest days is June (Average daylight: 15h and 37min).
The month with the shortest days is December (Average daylight: 8h and 47min).

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
Rockville, MN

Average sunshine days - Rockville, MN

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
Rockville, MN

Average UV index - Rockville, MN

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 visibility
Rockville, MN

Average visibility - Rockville, MN

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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