Climate and monthly weather forecast
Collinsville, VA

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Weather in January

January, like December, is another chilly winter month in Collinsville, Virginia, with an average temperature fluctuating between 44.1°F (6.7°C) and 28.8°F (-1.8°C). January is the coldest month of the year, registering average temperatures as high as 44.1°F (6.7°C) and as low as 28.8°F (-1.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a frosty month in Collinsville, Virginia, with an average temperature varying between 31.5°F (-0.3°C) and 48.7°F (9.3°C). Collinsville's weather in February indicates an average high-temperature of a still chilly 48.7°F (9.3°C), nearly consistent with the 44.1°F (6.7°C) of January. Weather in February »

Weather in March

March, the first month of the spring in Collinsville, is a refreshing month, with an average temperature varying between 56.5°F (13.6°C) and 38.5°F (3.6°C). With the onset of March, Collinsville observes a minor temperature ascent, with the average high-temperature adjusting from February's frosty 48.7°F (9.3°C) to a moderate 56.5°F (13.6°C). Weather in March »

Weather in April

April is a comfortable spring month in Collinsville, Virginia, with an average temperature ranging between min 47.5°F (8.6°C) and max 67.6°F (19.8°C). Collinsville's transition into April brings a rise in the average high-temperature, moving from a refreshing 56.5°F (13.6°C) in March to an enjoyable 67.6°F (19.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Collinsville, Virginia, with an average temperature fluctuating between 76.6°F (24.8°C) and 55.8°F (13.2°C). The arrival of May signals an increase in the average high-temperature, moving from an enjoyable 67.6°F (19.8°C) in April to a moderately hot 76.6°F (24.8°C). Weather in May »

Weather in June

June, the first month of the summer in Collinsville, is still a warm month, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 62.1°F (16.7°C). The arrival of June brings a soft temperature shift, with the average high-temperature nudging from a moderately hot 76.6°F (24.8°C) in May to a still warm 84.7°F (29.3°C). Weather in June »

Weather in July

July in Collinsville, Virginia, is a hot summer month, with an average temperature varying between 88.9°F (31.6°C) and 66°F (18.9°C). July stands out as Collinsville's warmest month, with temperatures ranging between an average high of 88.9°F (31.6°C) and a low of 66°F (18.9°C). July's heat index is estimated at a torrid 102.2°F (39°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Collinsville, Virginia, with an average temperature ranging between min 64.2°F (17.9°C) and max 86.7°F (30.4°C). Collinsville marks the onset of August with an average high-temperature of a still hot 86.7°F (30.4°C), a subtle shift from July's 88.9°F (31.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Collinsville, Virginia, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 59.4°F (15.2°C). The onset of September results in a small decrease in the average high-temperature, moderately receding from a hot 86.7°F (30.4°C) in August to a moderately hot 79.7°F (26.5°C). Weather in September »

Weather in October

October, the same as September, in Collinsville, Virginia, is another pleasant autumn month, with an average temperature fluctuating between 68.4°F (20.2°C) and 49.1°F (9.5°C). A shift in Collinsville's weather is observed as September turns into October, with the average high temperature reducing from a warm 79.7°F (26.5°C) to an agreeable 68.4°F (20.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Collinsville, Virginia, with an average temperature varying between 38.5°F (3.6°C) and 56.3°F (13.5°C). November indicates a shift in the average high-temperature, from October's agreeable 68.4°F (20.2°C) to a moderate 56.3°F (13.5°C). Weather in November »

Weather in December

December, the first month of the winter in Collinsville, is still a chilly month, with an average temperature fluctuating between 48.6°F (9.2°C) and 34.2°F (1.2°C). December sees a slight reduction in average high-temperature, with a shift from a mild 56.3°F (13.5°C) in November to a frosty 48.6°F (9.2°C). Weather in December »
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Collinsville's temperature records reveal January as the coldest month, marked by average highs of 44.1°F (6.7°C) and lows of 28.8°F (-1.8°C).

How many days does it rain in Collinsville?

In Collinsville, during the entire year, the rain falls for 132.1 days and collects up to 19.96" (507mm) of precipitation.

When does it snow?

Months with snowfall are January through March, May, November and December.

How much does it snow?

Throughout the year, there are 8 snowfall days, and 6.06" (154mm) of snow is accumulated.

What is the month with the least sunshine?

The months with the least sunshine are January and December, with an average of 5.6h of sunshine.

When is the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

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 EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow?

In Collinsville, snow does not fall in April, June through October.

What is the most humid month?

The months with the highest humidity are May and December, with an average relative humidity of 76%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 13.8 days and accumulates 2.48" (63mm) of precipitation.

When are the longest days?

June has the longest days of the year in Collinsville, with an average of 14h and 36min of daylight.

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

The month with the highest UV index is June, with an average maximum UV index of 7.

What is the hottest time of year?

Collinsville records the warmest temperatures in July, averaging a high of 88.9°F (31.6°C) and a low of 66°F (18.9°C).

What is the least humid month?

The least humid month is July, with an average relative humidity of 70%.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.8h of sunshine.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11 days and accumulates 1.14" (29mm) of precipitation.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 1.1 days and typically aggregates up to 2.05" (52mm) of snow.

What is the month with the shortest days?

With an average of 9h and 42min of daylight, December has the shortest days of the year.

Average temperature
Collinsville, VA

Average temperature - Collinsville, VA

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (44.1°F).

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure
Collinsville, VA

Average pressure - Collinsville, VA

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed
Collinsville, VA

Average wind speed - Collinsville, VA

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity
Collinsville, VA

Average humidity - Collinsville, VA

The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall
Collinsville, VA

Average rainfall - Collinsville, VA

The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days
Collinsville, VA

Average rainfall days - Collinsville, VA

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (7 days).

Average snowfall
Collinsville, VA

Average snowfall - Collinsville, VA

The month with the highest snowfall is December (2.05").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days
Collinsville, VA

Average snowfall days - Collinsville, VA

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Collinsville, VA

Average daylight / Average sunshine - Collinsville, VA

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

Average sunshine days
Collinsville, VA

Average sunshine days - Collinsville, VA

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.2 days).

Average UV index
Collinsville, VA

Average UV index - Collinsville, VA

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average visibility
Collinsville, VA

Average visibility - Collinsville, VA

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Collinsville, Virginia, USA

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