Climate and monthly weather forecast
Castle Rock, MN

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Weather in January

January, like December, is another subzero cold winter month in Castle Rock, Minnesota, with temperature in the range of an average low of 7.7°F (-13.5°C) and an average high of 20.8°F (-6.2°C). Castle Rock, Minnesota, notes the coldest temperatures in January, with a high average of 20.8°F (-6.2°C) and a low of 7.7°F (-13.5°C). Weather in January »

Weather in February

February, the last month of the winter in Castle Rock, is also a subzero cold month, with an average temperature fluctuating between 24.6°F (-4.1°C) and 10.6°F (-11.9°C). Castle Rock's shift from January to February is accompanied by an average high-temperature of a still freezing cold 24.6°F (-4.1°C), a slight deviation from 20.8°F (-6.2°C). Weather in February »

Weather in March

March, the first month of the spring in Castle Rock, is an icy month, with an average temperature varying between 25.3°F (-3.7°C) and 39.4°F (4.1°C). March is characterized by a clear rise in the average high-temperature, escalating from February's freezing cold 24.6°F (-4.1°C) to an icy 39.4°F (4.1°C). Weather in March »

Weather in April

April is a cool spring month in Castle Rock, Minnesota, with an average temperature varying between 37.2°F (2.9°C) and 52.9°F (11.6°C). The arrival of April brings a change in Castle Rock's weather, with average high-temperatures moving from March's wintry 39.4°F (4.1°C) to a cool 52.9°F (11.6°C). Weather in April »

Weather in May

May, the last month of the spring in Castle Rock, is a comfortable month, with an average temperature varying between 49.1°F (9.5°C) and 65.8°F (18.8°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's fresh 52.9°F (11.6°C) to an enjoyable 65.8°F (18.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Castle Rock, Minnesota, with an average temperature varying between 75.4°F (24.1°C) and 58.8°F (14.9°C). With the onset of June, the average high-temperature slightly shifts from May's comfortable 65.8°F (18.8°C) to a warm 75.4°F (24.1°C). Weather in June »

Weather in July

July, like June, in Castle Rock, Minnesota, is another warm summer month, with an average temperature ranging between min 62.4°F (16.9°C) and max 79.5°F (26.4°C). With an average high-temperature of 79.5°F (26.4°C) and an average low-temperature of 62.4°F (16.9°C), July is the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Castle Rock, is also a moderately hot month, with an average temperature ranging between min 59.4°F (15.2°C) and max 77.5°F (25.3°C). August's average high-temperature stands at a still warm 77.5°F (25.3°C), showing little deviation from July's 79.5°F (26.4°C). Weather in August »

Weather in September

September, the first month of the autumn in Castle Rock, is still a pleasant month, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 52.5°F (11.4°C). The arrival of September signals a subtle shift in temperature, down from a moderately hot 77.5°F (25.3°C) in August to an agreeable 71.1°F (21.7°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Castle Rock, Minnesota, with an average temperature fluctuating between 41°F (5°C) and 55.6°F (13.1°C). As October begins, there is a noticeable decrease in the average high-temperature, falling from a pleasant 71.1°F (21.7°C) in September to a mild 55.6°F (13.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Castle Rock, Minnesota, with an average temperature fluctuating between 41°F (5°C) and 28.8°F (-1.8°C). With the transition into November, Castle Rock experiences a significant decrease in average high-temperatures, moving down from a mild 55.6°F (13.1°C) in October to a wintry 41°F (5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Castle Rock, Minnesota, with an average temperature fluctuating between 15.4°F (-9.2°C) and 26.1°F (-3.3°C). In Castle Rock, the average high-temperature in December significantly decreases from an icy 41°F (5°C) in November to a freezing cold 26.1°F (-3.3°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Castle Rock?

January tends to be the coldest month, with temperatures averaging a daily high of 20.8°F (-6.2°C) and a low of 7.7°F (-13.5°C).

What is the most humid month in Castle Rock?

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

What is the driest month in Castle Rock?

January is the month with the least rainfall. Rain falls for 3.1 days and accumulates 0.75" (19mm) of precipitation.

How much does it rain in Castle Rock?

Throughout the year, there are 126.4 rainfall days, and 24.76" (629mm) of precipitation is accumulated.

When does it snow in Castle Rock?

Months with snowfall are January through May, October through December.

How many days does it snow in Castle Rock?

In Castle Rock, Minnesota, during the entire year, snow falls for 55.6 days and aggregates up to 22.36" (568mm) of snow.

What is the month with the least sunshine in Castle Rock?

The month with the least sunshine in Castle Rock, Minnesota, is January, with an average of 3h of sunshine.

What is the month with the lowest UV index in Castle Rock?

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

When does it snow the most in Castle Rock?

The month with the most snowfall in Castle Rock, Minnesota, is February, when snow falls for 11.1 days and typically aggregates up to 6.1" (155mm) of snow.

When is Daylight Saving Time (DST) in Castle Rock?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Castle Rock, Minnesota, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the least humid month in Castle Rock?

April and October, with an average relative humidity of 73%, are the least humid months in Castle Rock, Minnesota.

What is the wettest month in Castle Rock?

The month with the most rainfall is June, when the rain falls for 17.4 days and typically aggregates up to 4.21" (107mm) of precipitation.

When it does not snow in Castle Rock?

In Castle Rock, snow does not fall in June through September.

When are the longest days in Castle Rock?

With an average of 15h and 30min of daylight, June has the longest days of the year in Castle Rock, Minnesota.

What month is the hottest in Castle Rock?

The warmest period is July, when temperatures fluctuate between an average high of 79.5°F (26.4°C) and a low of 62.4°F (16.9°C).

What month has the most sunshine in Castle Rock?

The month with the most sunshine in Castle Rock is July, with an average of 10h of sunshine.

When is the highest UV index in Castle Rock?

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

What is the month with the shortest days in Castle Rock?

December has the shortest days of the year, with an average of 8h and 54min of daylight.

Average temperature
Castle Rock, MN

Average temperature - Castle Rock, MN

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (20.8°F).

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.7°F).

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Average pressure
Castle Rock, MN

Average pressure - Castle Rock, MN

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed
Castle Rock, MN

Average wind speed - Castle Rock, MN

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).

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Average humidity
Castle Rock, MN

Average humidity - Castle Rock, MN

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (73%).

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Average rainfall
Castle Rock, MN

Average rainfall - Castle Rock, MN

The wettest month (with the highest rainfall) is June (4.21").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days
Castle Rock, MN

Average rainfall days - Castle Rock, MN

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall
Castle Rock, MN

Average snowfall - Castle Rock, MN

The month with the highest snowfall is February (6.1").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Castle Rock, MN

Average snowfall days - Castle Rock, MN

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Castle Rock, MN

Average daylight / Average sunshine - Castle Rock, MN

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

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

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Average sunshine days
Castle Rock, MN

Average sunshine days - Castle Rock, MN

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.2 days).

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Average UV index
Castle Rock, MN

Average UV index - Castle Rock, 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
Castle Rock, MN

Average visibility - Castle Rock, MN

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

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Castle Rock, Minnesota, USA

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