McLean Weather and Climate: A Comprehensive Guide
The temperature in McLean can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and cold during the cooler months.
It is also known for its large amounts of rain/snowfall.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
Visitors to McLean can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a very warm 31°C in July to a chilly 6°C in the coolest month, January.
Nights are cooler, with lows often dropping to around -4°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
McLean is known for its substantial rain/snowfall, with annual precipitation reaching 1166 mm. McLean offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between June (137 mm) and February (67 mm) is not too significant, making the climate enjoyable for visitors and residents alike.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
For those who appreciate different seasons, McLean serves as an ideal destination. Expect longer, more sun-filled days in June with an average of 9.4 hours of sunshine daily, and embrace the darker days in December, offering only 4.3 hours of daily sunlight. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in McLean.
The city experiences its highest humidity in August, reaching 69%. In March, the humidity drops to its lowest level at 58%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The mean wind speed varies between 4 m/s and 5 m/s throughout the year. It is lowest in May, June, July, August, September, October, November and December and highest during January, February, March and April.
The mean monthly wind speed over the year (meters per second)
partly cloudy and no rain overcast and heavy rain broken clouds and rainForecast for McLean
2 m/s
3 m/s
7 m/s
The best time of year to visit McLean in the United States of America
Other facts from our historical weather data:July has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 6°C.
June tops the wettest month list with 137 mm of rainfall.
February is the driest month with 67 mm of precipitation.
June is the sunniest month with an average of 282 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
