Climate and monthly weather forecast
Rockville, MN

Share

Weather in January

January, the same as December, in Rockville, Minnesota, is a freezing cold winter month, with an average temperature ranging between max 18.7°F (-7.4°C) and min 5.4°F (-14.8°C). Rockville's temperature records reveal January as the coldest month, marked by average highs of 18.7°F (-7.4°C) and lows of 5.4°F (-14.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Rockville, Minnesota, with an average temperature fluctuating between 8.4°F (-13.1°C) and 22.5°F (-5.3°C). The advent of February reveals an average high-temperature of a still subzero cold 22.5°F (-5.3°C), showing minimal difference from the prior month. Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Rockville, Minnesota, with an average temperature varying between 23.4°F (-4.8°C) and 37.4°F (3°C). March's arrival signals a significant increase in average high-temperatures, soaring from February's freezing cold 22.5°F (-5.3°C) to an icy 37.4°F (3°C). Weather in March »

Weather in April

April is a cool spring month in Rockville, Minnesota, with an average temperature varying between 35.2°F (1.8°C) and 51.4°F (10.8°C). In April, the meteorological conditions change with the average high-temperature moving from a wintry 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 an enjoyable month in Rockville, Minnesota, with an average temperature fluctuating between 47.3°F (8.5°C) and 65.8°F (18.8°C). The shift into May is characterized by a noticeable escalation in the average high-temperature, rising from April's fresh 51.4°F (10.8°C) to a refreshing 65.8°F (18.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Rockville, Minnesota, with an average temperature fluctuating between 56.8°F (13.8°C) and 76.1°F (24.5°C). An upsurge in temperatures occurs as May gives way to June, with average highs shifting from an enjoyable 65.8°F (18.8°C) to a warm 76.1°F (24.5°C). Weather in June »

Weather in July

July, like June, in Rockville, Minnesota, is another warm summer month, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 61.2°F (16.2°C). July is the month when Rockville sees the highest average temperatures, with a high of 81.1°F (27.3°C) and a low of 61.2°F (16.2°C). The heat index in July is appraised at a hot 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Rockville, Minnesota, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 58.1°F (14.5°C). August's onset sees an average high-temperature of a still warm 78.6°F (25.9°C), exhibiting a slight fluctuation from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Rockville, is still a pleasant month, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 50.9°F (10.5°C). The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a warm 78.6°F (25.9°C) in August to a pleasant 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 varying between 53.8°F (12.1°C) and 39°F (3.9°C). A notable decrease in the average high-temperature is observed during October, falling from an agreeable 70.9°F (21.6°C) in September to a fresh 53.8°F (12.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Rockville, is also an icy month, with an average temperature ranging between min 26.6°F (-3°C) and max 38.7°F (3.7°C). In November, the meteorological conditions markedly change with the average high-temperature descending 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 still a freezing cold month in Rockville, Minnesota, with an average temperature fluctuating between 23.9°F (-4.5°C) and 13.5°F (-10.3°C). The arrival of December brings a significant change in Rockville's weather, with average high-temperatures dropping from November's cold 38.7°F (3.7°C) to a subzero cold 23.9°F (-4.5°C). Weather in December »

Frequently asked questions

What is the coldest month in Rockville?

In Rockville, January registers the lowest temperatures, averaging 18.7°F (-7.4°C) at the peak and 5.4°F (-14.8°C) at the lowest.

What is the most humid month?

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

What is the driest month?

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

How many days does it rain?

In Rockville, during the entire year, the rain falls for 109.6 days and collects up to 17.52" (445mm) of precipitation.

When does it snow?

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

How much does it snow?

In Rockville, during the entire year, snow falls for 61 days and aggregates up to 16.81" (427mm) of snow.

What is the month with the least sunshine?

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

When is the lowest UV index?

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

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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?

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

What is the wettest month?

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?

June through September are months without snowfall.

When are the longest days?

The month with the longest days in Rockville is June, with an average of 15h and 36min of daylight.

What is the warmest month in Rockville?

In Rockville, July is identified by the average highest temperatures, reaching a peak of 81.1°F (27.3°C) and a low of 61.2°F (16.2°C).

What month has the most sunshine in Rockville?

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

When is the highest UV index?

The month with the highest UV index is July, with an average maximum UV index of 6.

When does it snow the most?

The month with the most snowfall 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?

The month with the shortest days is December, with an average of 8h and 48min 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).

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).

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).

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%).

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").

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).

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").

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).

Average daylight / Average sunshine
Rockville, MN

Average daylight / Average sunshine - Rockville, MN

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).

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).

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).

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).

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).

Rockville, Minnesota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location