Climate and monthly weather forecast
McKinney, TX

Weather in January

January, the same as December, is another fresh winter month in McKinney, Texas, with an average temperature ranging between max 53.2°F (11.8°C) and min 37.9°F (3.3°C). With an average high-temperature of 53.2°F (11.8°C) and an average low-temperature of 37.9°F (3.3°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a mild month in McKinney, Texas, with temperature in the range of an average low of 41.5°F (5.3°C) and an average high of 56.5°F (13.6°C). In McKinney, Texas, the average high-temperature in February is almost the same as in January - a mild 56.5°F (13.6°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in McKinney, Texas, with an average temperature ranging between min 48.7°F (9.3°C) and max 65.5°F (18.6°C). In McKinney, Texas, the average high-temperature in March rises from a mild 56.5°F (13.6°C) in February to an enjoyable 65.5°F (18.6°C). Weather in March »

Weather in April

April in McKinney, Texas, is a pleasant spring month, with an average temperature ranging between max 73°F (22.8°C) and min 54.9°F (12.7°C). In McKinney, the average high-temperature in April marginally rises from a comfortable 65.5°F (18.6°C) in March to an agreeable 73°F (22.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in McKinney, Texas, with an average temperature ranging between max 80.4°F (26.9°C) and min 63.5°F (17.5°C). In May, the average high-temperature marginally rises from an agreeable 73°F (22.8°C) in April to a moderately hot 80.4°F (26.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in McKinney, Texas, with an average temperature fluctuating between 89.6°F (32°C) and 72.9°F (22.7°C). In June, the average high-temperature increases from a warm 80.4°F (26.9°C) in May to a tropical 89.6°F (32°C). Weather in June »

Weather in July

July, the same as June, in McKinney, Texas, is a hot summer month, with temperature in the range of an average high of 93.9°F (34.4°C) and an average low of 75°F (23.9°C). In McKinney, the average high-temperature in July is almost the same as in June - a still hot 93.9°F (34.4°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in McKinney, Texas, with an average temperature ranging between min 75.2°F (24°C) and max 94.8°F (34.9°C). With an average high-temperature of 94.8°F (34.9°C) and an average low-temperature of 75.2°F (24°C), August is the warmest month. In August, the average heat index is appraised at an extremely hot 111.2°F (44°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in McKinney, Texas, with an average temperature fluctuating between 87.1°F (30.6°C) and 68.9°F (20.5°C). In September, the average high-temperature slightly decreases from 94.8°F (34.9°C) in August to a still hot 87.1°F (30.6°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in McKinney, Texas, with temperature in the range of an average low of 57.7°F (14.3°C) and an average high of 74.8°F (23.8°C). In October, the average high-temperature decreases from a tropical 87.1°F (30.6°C) in September to a moderately hot 74.8°F (23.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in McKinney, Texas, with an average temperature ranging between max 63.5°F (17.5°C) and min 47.3°F (8.5°C). In November, the average high-temperature drops from a warm 74.8°F (23.8°C) in October to a comfortable 63.5°F (17.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in McKinney, Texas, with an average temperature fluctuating between 40.3°F (4.6°C) and 54.5°F (12.5°C). In McKinney, the average high-temperature in December decreases from a comfortable 63.5°F (17.5°C) in November to a cool 54.5°F (12.5°C). Weather in December »
[Resources]

FAQ

What is the coldest month in McKinney?

With an average high-temperature of 53.2°F (11.8°C) and an average low-temperature of 37.9°F (3.3°C), January is the coldest month in McKinney.

What is the driest month in McKinney?

The month with the least rainfall is January, when the rain falls for 7.3 days and typically collects 1.77" (45mm) of precipitation.

How many days does it rain in McKinney?

In McKinney, during the entire year, the rain falls for 144.7 days and collects up to 33.54" (852mm) of precipitation.

When does it snow in McKinney?

Months with snowfall in McKinney are January, February, November and December.

How many days does it snow in McKinney?

Throughout the year, in McKinney, there are 3.1 snowfall days, and 1.1" (28mm) of snow is accumulated.

When is the lowest UV index in McKinney?

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

When does it snow the most in McKinney?

The month with the most snowfall in McKinney, Texas, is February, when snow falls for 1.3 days and typically aggregates up to 0.71" (18mm) of snow.

When it does not snow in McKinney?

March through October are months without snowfall in McKinney.

When is Daylight Saving Time (DST) in McKinney?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, 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 most humid month in McKinney?

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

When are the longest days in McKinney?

With an average of 14h and 19min of daylight, June has the longest days of the year in McKinney.

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

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

What is the warmest month in McKinney?

The warmest month in McKinney is August, with an average high-temperature of 94.8°F (34.9°C) and an average low-temperature of 75.2°F (24°C).

What is the least humid month in McKinney?

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

What month has the most sunshine in McKinney?

August has the most sunshine of the year in McKinney, Texas, with an average of 11.1h of sunshine.

What is the wettest month in McKinney?

The month with the most rainfall in McKinney, Texas, is October, when the rain falls for 12.3 days and typically aggregates up to 4.17" (106mm) of precipitation.

What is the month with the shortest days in McKinney?

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 McKinney?

December has the least sunshine of the year, with an average of 5.6h of sunshine.

Average temperature
McKinney, TX

Average temperature - McKinney, TX

The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (53.2°F).

The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

[Resources]

Average pressure
McKinney, TX

Average pressure - McKinney, TX

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed
McKinney, TX

Average wind speed - McKinney, TX

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).

[Resources]

Average rainfall
McKinney, TX

Average rainfall - McKinney, TX

The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is January (1.77").

[Resources]

Average rainfall days
McKinney, TX

Average rainfall days - McKinney, TX

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.3 days).

[Resources]

Average snowfall
McKinney, TX

Average snowfall - McKinney, TX

The month with the highest snowfall is February (0.71").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days
McKinney, TX

Average snowfall days - McKinney, TX

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average daylight / Average sunshine
McKinney, TX

Average daylight / Average sunshine - McKinney, TX

The month with the longest days is June (Average daylight: 14h and 19min).
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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

[Resources]

Average sunshine days
McKinney, TX

Average sunshine days - McKinney, TX

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is September (13.6 days).

[Resources]

Average UV index
McKinney, TX

Average UV index - McKinney, TX

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

[Resources]

Average visibility
McKinney, TX

Average visibility - McKinney, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location