Climate and monthly weather forecast
Collinsville, TX

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Weather in January

January, the same as December, is another fresh winter month in Collinsville, Texas, with an average temperature varying between 36.3°F (2.4°C) and 52.2°F (11.2°C). In Collinsville, January is the coldest month, with temperatures averaging a high of 52.2°F (11.2°C) and a low of 36.3°F (2.4°C). Weather in January »

Weather in February

February, the last month of the winter in Collinsville, is a mild month, with temperature in the range of an average low of 40.3°F (4.6°C) and an average high of 55.9°F (13.3°C). The advent of February signifies a minor shift to an average high-temperature of a mild 55.9°F (13.3°C), aligning closely with January. Weather in February »

Weather in March

March, the first month of the spring in Collinsville, is an enjoyable month, with an average temperature ranging between min 47.8°F (8.8°C) and max 65.1°F (18.4°C). As February transitions into March, a change in temperatures is observed, with average highs moving from 55.9°F (13.3°C) to a still refreshing 65.1°F (18.4°C). Weather in March »

Weather in April

April is an agreeable spring month in Collinsville, Texas, with an average temperature ranging between min 54.1°F (12.3°C) and max 72.5°F (22.5°C). In April, the average high-temperature marginally rises from a comfortable 65.1°F (18.4°C) in March to a pleasant 72.5°F (22.5°C). Weather in April »

Weather in May

May, the last month of the spring in Collinsville, is a moderately hot month, with an average temperature ranging between max 79.9°F (26.6°C) and min 62.4°F (16.9°C). May's arrival signals a subtle increase in average high-temperatures, moving from April's pleasant 72.5°F (22.5°C) to a moderately hot 79.9°F (26.6°C). Weather in May »

Weather in June

June, the first month of the summer in Collinsville, is a tropical month, with an average temperature ranging between min 71.6°F (22°C) and max 89.2°F (31.8°C). The start of June brings a rise in the average high-temperature, moving from a moderately hot 79.9°F (26.6°C) in May to a hot 89.2°F (31.8°C). Weather in June »

Weather in July

July, like June, is a hot summer month in Collinsville, Texas, with an average temperature varying between 74.3°F (23.5°C) and 93.6°F (34.2°C). With the transition into July, Collinsville notes an average high-temperature of a still hot 93.6°F (34.2°C), closely resembling June. Weather in July »

Weather in August

August, the last month of the summer in Collinsville, is another tropical month, with an average temperature varying between 94.6°F (34.8°C) and 74.3°F (23.5°C). Collinsville's August weather reaches an average high of 94.6°F (34.8°C) and an average low of 74.3°F (23.5°C), making it the warmest month. Throughout August, the heat index is calculated to be an extremely hot 111.2°F (44°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a hot month in Collinsville, Texas, with an average temperature varying between 86°F (30°C) and 68°F (20°C). The commencement of September indicates a gentle shift in the average high-temperature, receding from August's tropical 94.6°F (34.8°C) to a still hot 86°F (30°C). Weather in September »

Weather in October

October, like September, in Collinsville, Texas, is a moderately hot autumn month, with an average temperature ranging between min 56.3°F (13.5°C) and max 74.3°F (23.5°C). October brings a drop in Collinsville's average high-temperature, falling from a tropical 86°F (30°C) in September to a warm 74.3°F (23.5°C). Weather in October »

Weather in November

November, the last month of the autumn in Collinsville, is another comfortable month, with an average temperature ranging between max 63.1°F (17.3°C) and min 46.6°F (8.1°C). November indicates a shift in the average high-temperature, from October's warm 74.3°F (23.5°C) to an enjoyable 63.1°F (17.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Collinsville, Texas, with an average temperature varying between 39°F (3.9°C) and 52.9°F (11.6°C). The transition into December involves a decrease in the average high-temperature, falling from a comfortable 63.1°F (17.3°C) in November to a fresh 52.9°F (11.6°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Collinsville?

The coldest time of the year is January, with temperatures averaging a high of 52.2°F (11.2°C) and a low of 36.3°F (2.4°C).

How much does it rain in Collinsville?

Throughout the year, in Collinsville, Texas, there are 77.1 rainfall days, and 7.05" (179mm) of precipitation is accumulated.

When it does not snow in Collinsville?

In Collinsville, Texas, snow does not fall in January, March through December.

How many days does it snow in Collinsville?

Throughout the year, there are 1.4 snowfall days, and 0.04" (1mm) of snow is accumulated.

What is the driest month in Collinsville?

February and December are months with the least rain in Collinsville when the rain falls for 3.8 days and typically aggregates up to 0.31" (8mm) of rain.

When does it snow in Collinsville?

February is the only month when snow falls.

When does it snow the most in Collinsville?

February is the month with the most snowfall. Snow falls for 0.8 days and accumulates 0.04" (1mm) of snow.

When is Daylight Saving Time (DST) in Collinsville?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Collinsville, Texas, 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 most humid month in Collinsville?

The most humid month in Collinsville is May, with an average relative humidity of 76%.

When are the longest days in Collinsville?

The month with the longest days in Collinsville, Texas, is June, with an average of 14h and 18min of daylight.

What are the months with the highest UV index in Collinsville?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What is the hottest time of year in Collinsville?

August temperatures in Collinsville tend to peak at an average high of 94.6°F (34.8°C) and dip to a low of 74.3°F (23.5°C).

What is the least humid month in Collinsville?

August is the least humid month in Collinsville, with an average relative humidity of 59%.

What month has the most sunshine in Collinsville?

The month with the most sunshine in Collinsville is August, with an average of 11.2h of sunshine.

What is the wettest month in Collinsville?

The month with the most rainfall is October, when the rain falls for 7 days and typically aggregates up to 0.98" (25mm) of precipitation.

What is the month with the shortest days in Collinsville?

The month with the shortest days is December, with an average of 10h and 0min of daylight.

What is the month with the least sunshine in Collinsville?

With an average of 5.7h of sunshine, December has the least sunshine of the year in Collinsville.

When is the lowest UV index in Collinsville?

December is the month with the lowest UV index, with an average maximum UV index of 2.

Average temperature
Collinsville, TX

Average temperature - Collinsville, TX

The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (52.2°F).

The months with the highest average low temperature are July and August (74.3°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).

Average pressure
Collinsville, TX

Average pressure - Collinsville, TX

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed
Collinsville, TX

Average wind speed - Collinsville, TX

The windiest month (with the highest average wind speed) is March (10.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).

Average humidity
Collinsville, TX

Average humidity - Collinsville, TX

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (59%).

Average rainfall
Collinsville, TX

Average rainfall - Collinsville, TX

The wettest month (with the highest rainfall) is October (0.98").
The driest months (with the least rainfall) are February and December (0.31").

Average rainfall days
Collinsville, TX

Average rainfall days - Collinsville, TX

The month with the highest number of rainy days is May (9 days).
The month with the least rainy days is January (3 days).

Average snowfall
Collinsville, TX

Average snowfall - Collinsville, TX

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days
Collinsville, TX

Average snowfall days - Collinsville, TX

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Collinsville, TX

Average daylight / Average sunshine - Collinsville, TX

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days
Collinsville, TX

Average sunshine days - Collinsville, TX

The month with the most sunshine days is January (27.1 days).
The months with the least sunshine days are May and September (19.4 days).

Average visibility
Collinsville, TX

Average visibility - Collinsville, TX

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

Collinsville, Texas, USA

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