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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another subzero cold winter month in McLean, New York, with temperature in the range of an average low of 16°F (-8.9°C) and an average high of 27.3°F (-2.6°C). January is the coldest month, with an average high-temperature of 27.3°F (-2.6°C) and an average low-temperature of 16°F (-8.9°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in McLean, New York, with an average temperature ranging between min 17.2°F (-8.2°C) and max 30.6°F (-0.8°C). With the onset of February, the average high-temperature registers at a still subzero cold 30.6°F (-0.8°C), subtly different from January's 27.3°F (-2.6°C). Weather in February »
Weather in March
The first month of the spring, March, is an icy month in McLean, New York, with an average temperature ranging between min 24.6°F (-4.1°C) and max 39.7°F (4.3°C). The transition to March introduces an increase in the average high-temperature, shifting from a freezing cold 30.6°F (-0.8°C) in February to a cold 39.7°F (4.3°C). Weather in March »
Weather in April
April in McLean, New York, is a fresh spring month, with an average temperature fluctuating between 34.9°F (1.6°C) and 52.3°F (11.3°C). McLean's weather shows a temperature rise with the arrival of April, moving from a wintry 39.7°F (4.3°C) in March to a fresh 52.3°F (11.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in McLean, New York, with an average temperature ranging between min 45.7°F (7.6°C) and max 66°F (18.9°C). As May arrives, a rise in the average high-temperature is observed, moving from a cool 52.3°F (11.3°C) in April to a refreshing 66°F (18.9°C). Weather in May »
Weather in June
June, the first month of the summer in McLean, is an agreeable month, with an average temperature varying between 52.2°F (11.2°C) and 72.7°F (22.6°C). June's arrival sees a mild rise in the average high-temperature, transitioning from May's refreshing 66°F (18.9°C) to an agreeable 72.7°F (22.6°C). Weather in June »
Weather in July
July in McLean, New York, is a moderately hot summer month, with an average temperature ranging between max 78.4°F (25.8°C) and min 57.4°F (14.1°C). In McLean, the average temperatures in July are the highest, with a peak at 78.4°F (25.8°C) and a low of 57.4°F (14.1°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in McLean, New York, with an average temperature varying between 55.6°F (13.1°C) and 75.7°F (24.3°C). The introduction of August sees an average high-temperature of a still moderately hot 75.7°F (24.3°C), hardly deviating from July. Weather in August »
Weather in September
September, the first month of the autumn in McLean, is still a pleasant month, with temperature in the range of an average high of 69.3°F (20.7°C) and an average low of 49.8°F (9.9°C). September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 75.7°F (24.3°C) in August to an agreeable 69.3°F (20.7°C). Weather in September »
Weather in October
October, like September, is a moderate autumn month in McLean, New York, with an average temperature varying between 41.9°F (5.5°C) and 56.7°F (13.7°C). October's arrival coincides with a drop in the average high-temperature, decreasing from September's pleasant 69.3°F (20.7°C) to a moderate 56.7°F (13.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in McLean, New York, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 30.7°F (-0.7°C). As October transitions to November, the average high-temperature falls from a moderate 56.7°F (13.7°C) to a frosty 43.7°F (6.5°C). Weather in November »
Weather in December
December, the first month of the winter in McLean, is also an icy month, with temperature in the range of an average low of 23.9°F (-4.5°C) and an average high of 33.3°F (0.7°C). Arrival of December comes with a reduction in the average high-temperature, falling from a frosty 43.7°F (6.5°C) in November to an icy 33.3°F (0.7°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in McLean?
January, on average, is the coldest month in McLean, registering a high temperature of 27.3°F (-2.6°C) and a low of 16°F (-8.9°C).
What is the driest month in McLean?
The month with the least rainfall in McLean is January, when the rain falls for 6.7 days and typically collects 2.24" (57mm) of precipitation.
How much does it rain in McLean?
In McLean, during the entire year, the rain falls for 165.9 days and collects up to 34.41" (874mm) of precipitation.
When does it snow in McLean?
January through May, October through December are months with snowfall.
How many days does it snow in McLean?
In McLean, during the entire year, snow falls for 87.1 days and aggregates up to 39.17" (995mm) of snow.
What are the months with the lowest UV index in McLean?
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1.
What is the most humid month in McLean?
February is the most humid month, with an average relative humidity of 88%.
What is the snowiest month in McLean?
February is the month with the most snowfall. Snow falls for 18.5 days and accumulates 9.17" (233mm) of snow.
What is the month with the least sunshine in McLean?
The month with the least sunshine in McLean is February, with an average of 2.4h of sunshine.
When is Daylight Saving Time (DST) in McLean?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in McLean, 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.
What are the least humid months in McLean?
The months with the lowest humidity in McLean are April, May and July, with an average relative humidity of 80%.
When is the highest UV index in McLean?
The months with the highest UV index in McLean, New York, are May through August, with an average maximum UV index of 5.
What is the rainiest month in McLean?
June is the month with the most rainfall in McLean. Rain falls for 17.4 days and accumulates 3.46" (88mm) of precipitation.
When it does not snow in McLean?
June through September are months without snowfall in McLean.
When are the longest days in McLean?
June has the longest days of the year in McLean, New York, with an average of 15h and 18min of daylight.
What month is the hottest in McLean?
With average high temperatures of 78.4°F (25.8°C) and lows of 57.4°F (14.1°C), July is the warmest month in McLean.
What month has the most sunshine in McLean?
With an average of 10h of sunshine, July has the most sunshine of the year.
What is the month with the shortest days in McLean?
The month with the shortest days is December, with an average of 9h and 6min of daylight.
Average temperature
McLean, NY
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.3°F).
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure
McLean, NY
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.04"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
McLean, NY
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.7mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity
McLean, NY
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May and July (80%).
Average rainfall
McLean, NY
- Average rainfall in January:
2.24" - Average rainfall in February:
2.4" - Average rainfall in March:
2.48" - Average rainfall in April:
3.27" - Average rainfall in May:
3.43" - Average rainfall in June:
3.46"
- Average rainfall in July:
3.31" - Average rainfall in August:
3.27" - Average rainfall in September:
2.52" - Average rainfall in October:
3.11" - Average rainfall in November:
2.28" - Average rainfall in December:
2.64"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days
McLean, NY
- Average rainfall days in January:
6.7 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
16.7 days - Average rainfall days in May:
18 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
17.6 days - Average rainfall days in September:
14.2 days - Average rainfall days in October:
16.3 days - Average rainfall days in November:
11.5 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (6.7 days).
Average snowfall
McLean, NY
- Average snowfall in January:
7.64" - Average snowfall in February:
9.17" - Average snowfall in March:
5.63" - Average snowfall in April:
2.91" - Average snowfall in May:
0.24" - Average snowfall in June:
0"
The month with the highest snowfall is February (9.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
McLean, NY
- Average snowfall days in January:
20.2 days - Average snowfall days in February:
18.5 days - Average snowfall days in March:
14.3 days - Average snowfall days in April:
5.8 days - Average snowfall days in May:
0.6 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.8 days - Average snowfall days in November:
9.5 days - Average snowfall days in December:
16.4 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
McLean, NY
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
2h and 3min - Average sunshine in February:
2h and 2min - Average sunshine in March:
4h and 2min - Average sunshine in April:
6h and 4min - Average sunshine in May:
8h and 1min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 2min - Average sunshine in October:
4h and 3min - Average sunshine in November:
4h and 1min - Average sunshine in December:
2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days
McLean, NY
- Average sunshine days in January:
7.7 days - Average sunshine days in February:
5.1 days - Average sunshine days in March:
8.4 days - Average sunshine days in April:
8.8 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
10.6 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
11.6 days - Average sunshine days in November:
10.9 days - Average sunshine days in December:
8.2 days
The month with the most sunshine days is September (13.8 days).
The month with the least sunshine days is February (5.1 days).
Average UV index
McLean, NY
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
McLean, NY
The month with the most cloud cover is February (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility
McLean, NY
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
McLean, New York, USA
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