October weather forecastMcKinney, TX
October
Weather in October
The arrival of October signals the heart of fall in McKinney, Texas, with the temperature dipping down to a moderate 74.8°F (23.8°C) in the afternoon. With an increase in the number of daylight hours, a significant shift towards cooler weather becomes observable. Mild wind speeds along with a slight rise in rainfall mark the autumnal transition. The month does see a significant increase in cloud cover, which contributes to a soothing cityscape. October ends leaving behind a segue into the cooler months ahead.Temperature
McKinney experiences a temperature shift at the start of October, with average high-temperatures adjusting from a hot 87.1°F (30.6°C) in September to a moderately hot 74.8°F (23.8°C). McKinney observes an average nighttime temperature of 57.7°F (14.3°C) during October.Humidity
In October, the average relative humidity in McKinney is 67%.Rainfall
The month with the most rainfall in McKinney is October, when the rain falls for 12.3 days and typically aggregates up to 4.17" (106mm) of precipitation.Snowfall
In McKinney, snow does not fall in March through October.Daylight
In October, the average length of the day is 11h and 20min.On the first day of October, sunrise is at 7:21 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 6:35 pm CDT.
Sunshine
The average sunshine in October in McKinney is 6.5h.UV index
In October, the average daily maximum UV index in McKinney is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In October, the average maximum UV index of 4 translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
McKinney, TX
- Average high temperature in October: 74.8°F
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).
- Average low temperature in October: 57.7°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).
Average pressure in October
McKinney, TX
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
McKinney, TX
- Average wind speed in October: 8.3mph
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).
Average humidity in October
McKinney, TX
- Average humidity in October: 67%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (59%).
Average rainfall in October
McKinney, TX
- Average rainfall in October: 4.17"
The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in October
McKinney, TX
- Average rainfall days in October: 12.3 days
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).
Average snowfall in October
McKinney, TX
- Average snowfall in October: 0"
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").
Average snowfall days in October
McKinney, TX
- Average snowfall days in October: 0 days
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).
Average daylight in October /
Average sunshine in October
McKinney, TX
- Average daylight in October: 11h and 18min
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).
- Average sunshine in October: 6h and 30min
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).
Average sunshine days in October
McKinney, TX
- Average sunshine days in October: 17.4 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is September (13.6 days).
Average UV index in October
McKinney, TX
- Average UV index in October: 4
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).
Average cloud cover in October
McKinney, TX
- Average cloud cover in October: 30
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in October
McKinney, TX
- Average visibility in October: 6mi
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).
