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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, the same as December, is an icy winter month in Locust Valley, New York, with temperature in the range of an average high of 36.5°F (2.5°C) and an average low of 27.3°F (-2.6°C). January is the month when Locust Valley experiences its coldest temperatures, averaging a high of 36.5°F (2.5°C) and a low of 27.3°F (-2.6°C). Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Locust Valley, New York, with an average temperature varying between 39°F (3.9°C) and 28.8°F (-1.8°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a still icy 39°F (3.9°C) from January's 36.5°F (2.5°C). Weather in February »
Weather in March
March, the first month of the spring in Locust Valley, is a chilly month, with an average temperature ranging between max 45.1°F (7.3°C) and min 35.2°F (1.8°C). The arrival of March witnesses a small shift in the average high-temperature, moving from a cold 39°F (3.9°C) in February to a frosty 45.1°F (7.3°C). Weather in March »
Weather in April
April in Locust Valley, New York, is a cool spring month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 55°F (12.8°C). Locust Valley's April weather brings a rise in high-temperatures, moving from a chilly 45.1°F (7.3°C) in March to a fresh 55°F (12.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Locust Valley, New York, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 65.3°F (18.5°C). May brings a temperature change, with average high-temperatures moving from April's cool 55°F (12.8°C) to a comfortable 65.3°F (18.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Locust Valley, New York, with an average temperature varying between 74.5°F (23.6°C) and 63.1°F (17.3°C). Locust Valley's transition into June brings a rise in the average high-temperature, moving from a refreshing 65.3°F (18.5°C) in May to a moderately hot 74.5°F (23.6°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Locust Valley, New York, with an average temperature varying between 81.5°F (27.5°C) and 70.3°F (21.3°C). The temperatures reach their highest averages in July, with highs of 81.5°F (27.5°C) and lows of 70.3°F (21.3°C). July's average heat index is appraised at a tropical 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Locust Valley, New York, with an average temperature ranging between max 80.4°F (26.9°C) and min 70.3°F (21.3°C). August brings an average high-temperature of a still moderately hot 80.4°F (26.9°C), nearly identical to the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Locust Valley, New York, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 73.4°F (23°C). September brings a slight decrease in the average high-temperature, shifting from a warm 80.4°F (26.9°C) in August to a still moderately hot 73.4°F (23°C). Weather in September »
Weather in October
October, like September, in Locust Valley, New York, is another refreshing autumn month, with an average temperature fluctuating between 63°F (17.2°C) and 53.4°F (11.9°C). Observing a mild shift, the average high-temperature during October reduces from September's warm 73.4°F (23°C) to a comfortable 63°F (17.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Locust Valley, New York, with an average temperature ranging between min 42.3°F (5.7°C) and max 51.1°F (10.6°C). November is characterized by a reduction in the average high-temperature, from a refreshing 63°F (17.2°C) in October to a cool 51.1°F (10.6°C). Weather in November »
Weather in December
December, the first month of the winter in Locust Valley, is also a wintry month, with an average temperature fluctuating between 42.4°F (5.8°C) and 34.7°F (1.5°C). Locust Valley's December weather features a light decline in high-temperatures, reducing from a fresh 51.1°F (10.6°C) in November to a cold 42.4°F (5.8°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 is the coldest time of year in Locust Valley?
January, recording an average high temperature of 36.5°F (2.5°C) and a low temperature of 27.3°F (-2.6°C), is Locust Valley's coldest month.
How much does it rain in Locust Valley?
In Locust Valley, during the entire year, the rain falls for 165.9 days and collects up to 37.56" (954mm) of precipitation.
When does it snow in Locust Valley?
Months with snowfall are January through April, November and December.
How much does it snow in Locust Valley?
In Locust Valley, during the entire year, snow falls for 22.2 days and aggregates up to 7.24" (184mm) of snow.
What is the month with the lowest UV index in Locust Valley?
The months with the lowest UV index in Locust Valley, New York, are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month in Locust Valley?
The months with the highest humidity in Locust Valley, New York, are February, May and December, with an average relative humidity of 75%.
What is the month with the least sunshine in Locust Valley?
With an average of 4.8h of sunshine, February has the least sunshine of the year.
What is the snowiest month in Locust Valley?
March is the month with the most snowfall. Snow falls for 4.7 days and accumulates 2.01" (51mm) of snow.
When is Daylight Saving Time (DST) in Locust Valley?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Locust Valley, New York, 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.
When it does not snow in Locust Valley?
May through October are months without snowfall.
When are the longest days in Locust Valley?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What are the months with the highest UV index in Locust Valley?
The months with the highest UV index in Locust Valley, New York, are June through August, with an average maximum UV index of 6.
What are the warmest months in Locust Valley?
The warmest period tends to be July, when average temperatures fluctuate between a high of 81.5°F (27.5°C) and a low of 70.3°F (21.3°C).
What month has the most sunshine in Locust Valley?
The month with the most sunshine in Locust Valley is July, with an average of 10.7h of sunshine.
What are the least humid months in Locust Valley?
The months with the lowest humidity in Locust Valley are August and November, with an average relative humidity of 71%.
What is the driest month in Locust Valley?
The month with the least rainfall in Locust Valley is September, when the rain falls for 12.9 days and typically collects 2.4" (61mm) of precipitation.
What is the wettest month in Locust Valley?
The month with the most rainfall is December, when the rain falls for 12.9 days and typically aggregates up to 4.06" (103mm) of precipitation.
What is the month with the shortest days in Locust Valley?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Locust Valley, NY
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).
The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure
Locust Valley, NY
- Average pressure in January:
30.05"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"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
Locust Valley, NY
- Average wind speed in January:
11.2mph - Average wind speed in February:
10.8mph - Average wind speed in March:
10.7mph - Average wind speed in April:
9.9mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8.3mph - Average wind speed in October:
10mph - Average wind speed in November:
10.5mph - Average wind speed in December:
10.8mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity
Locust Valley, NY
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall
Locust Valley, NY
- Average rainfall in January:
2.48" - Average rainfall in February:
2.48" - Average rainfall in March:
2.99" - Average rainfall in April:
3.23" - Average rainfall in May:
3.11" - Average rainfall in June:
3.07"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days
Locust Valley, NY
- Average rainfall days in January:
9.3 days - Average rainfall days in February:
10.9 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
16.5 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
12.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall
Locust Valley, NY
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Locust Valley, NY
- Average snowfall days in January:
6.8 days - Average snowfall days in February:
6 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0.1 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:
0 days - Average snowfall days in November:
0.8 days - Average snowfall days in December:
3.5 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Locust Valley, NY
- Average daylight in January:
9h and 4min - 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 3min - Average daylight in June:
15h and 1min
- 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 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 1min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Locust Valley, NY
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
13 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
12.3 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
12.5 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
18 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).
Average UV index
Locust Valley, NY
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Locust Valley, NY
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility
Locust Valley, NY
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).
Locust Valley, New York, USA
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