Climate and monthly weather forecastLake Ronkonkoma, NY
Climate and monthly weather forecast
Weather in January
January, like December, in Lake Ronkonkoma, New York, is a wintry winter month, with an average temperature varying between 37.9°F (3.3°C) and 30.2°F (-1°C). In Lake Ronkonkoma, January is the month with the lowest recorded average temperatures, measuring a high of 37.9°F (3.3°C) and a low of 30.2°F (-1°C). Weather in January »Weather in February
February, the last month of the winter in Lake Ronkonkoma, is also an icy month, with an average temperature fluctuating between 39.7°F (4.3°C) and 31.3°F (-0.4°C). Lake Ronkonkoma records an average high-temperature of a still icy 39.7°F (4.3°C) as February arrives, nearly mirroring the previous month's climate. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Lake Ronkonkoma, New York, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 36.3°F (2.4°C). March's climate shows a minor adjustment in average high-temperatures to a frosty 44.2°F (6.8°C) from February's 39.7°F (4.3°C). Weather in March »Weather in April
April is a cool spring month in Lake Ronkonkoma, New York, with an average temperature fluctuating between 45.1°F (7.3°C) and 52.3°F (11.3°C). The start of April brings a subtle rise in the average high-temperature, moving from a frosty 44.2°F (6.8°C) in March to a cool 52.3°F (11.3°C). Weather in April »Weather in May
May, the last month of the spring in Lake Ronkonkoma, is a comfortable month, with an average temperature varying between 54.3°F (12.4°C) and 61.2°F (16.2°C). The start of May brings a subtle rise in the average high-temperature, moving from a fresh 52.3°F (11.3°C) in April to a comfortable 61.2°F (16.2°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Lake Ronkonkoma, New York, with an average temperature fluctuating between 70.7°F (21.5°C) and 63.5°F (17.5°C). Lake Ronkonkoma in June experiences an increase in the average high-temperature, moving from May's enjoyable 61.2°F (16.2°C) to an agreeable 70.7°F (21.5°C). Weather in June »Weather in July
July in Lake Ronkonkoma, New York, is a warm summer month, with an average temperature fluctuating between 77.9°F (25.5°C) and 71.6°F (22°C). The shift from June to July introduces a subtle increase in the average high-temperature, moving from a pleasant 70.7°F (21.5°C) to a moderately hot 77.9°F (25.5°C). Weather in July »Weather in August
August, the last month of the summer in Lake Ronkonkoma, is also a moderately hot month, with an average temperature ranging between min 71.8°F (22.1°C) and max 78.1°F (25.6°C). August, with its average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 71.8°F (22.1°C), holds the record as the warmest month. Weather in August »Weather in September
September, the first month of the autumn in Lake Ronkonkoma, is still a pleasant month, with an average temperature fluctuating between 65.3°F (18.5°C) and 72.1°F (22.3°C). Lake Ronkonkoma's September weather shows a modest shift in high-temperatures, falling from August's warm 78.1°F (25.6°C) to a pleasant 72.1°F (22.3°C). Weather in September »Weather in October
October, like September, in Lake Ronkonkoma, New York, is another enjoyable autumn month, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 55.8°F (13.2°C). In October, the average high-temperature goes from a pleasant 72.1°F (22.3°C) in September to an enjoyable 62.4°F (16.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Lake Ronkonkoma, New York, with an average temperature ranging between min 45°F (7.2°C) and max 52.3°F (11.3°C). The decrease of average high-temperatures is mild in November, with a decline from a refreshing 62.4°F (16.9°C) in October to a fresh 52.3°F (11.3°C). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Lake Ronkonkoma, New York, with an average temperature fluctuating between 37.2°F (2.9°C) and 44.1°F (6.7°C). December sees a slight reduction in average high-temperature, with a shift from a fresh 52.3°F (11.3°C) in November to a frosty 44.1°F (6.7°C). Weather in December »Updated: Aug 29, 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
With its average high temperature of 37.9°F (3.3°C) and a low of 30.2°F (-1°C), January is regarded as the coldest month.
January is the month with the least rainfall in Lake Ronkonkoma, New York. Rain falls for 8.3 days and accumulates 2.17" (55mm) of precipitation.
In Lake Ronkonkoma, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.
Months with snowfall are January through March, May, October and December.
Throughout the year, there are 14.7 snowfall days, and 6.14" (156mm) of snow is accumulated.
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2.
February has the least sunshine of the year, with an average of 4.8h of sunshine.
The month with the most snowfall is March, when snow falls for 2.5 days and typically aggregates up to 2.13" (54mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
April, June through September and November are months without snowfall.
The months with the highest humidity are May and June, with an average relative humidity of 78%.
June has the longest days of the year, with an average of 15h and 6min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
July has the most sunshine of the year, with an average of 10.8h of sunshine.
August, marked by an average high-temperature of 78.1°F (25.6°C) and a low-temperature of 71.8°F (22.1°C), is the warmest month.
November is the least humid month, with an average relative humidity of 71%.
The month with the most rainfall is December, when the rain falls for 12.3 days and typically aggregates up to 3.74" (95mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Lake Ronkonkoma, NY
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure
Lake Ronkonkoma, NY
- Average pressure in January:
30.04"Hg - Average pressure in February:
30.02"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:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Lake Ronkonkoma, NY
- Average wind speed in January:
13.8mph - Average wind speed in February:
13.3mph - Average wind speed in March:
12.9mph - Average wind speed in April:
11.9mph - Average wind speed in May:
10.1mph - Average wind speed in June:
9.3mph
- Average wind speed in July:
9mph - Average wind speed in August:
9mph - Average wind speed in September:
10.4mph - Average wind speed in October:
12.4mph - Average wind speed in November:
13mph - Average wind speed in December:
13.4mph
The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).
Average humidity
Lake Ronkonkoma, NY
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall
Lake Ronkonkoma, NY
- Average rainfall in January:
2.17" - Average rainfall in February:
2.32" - Average rainfall in March:
2.76" - Average rainfall in April:
2.95" - Average rainfall in May:
2.91" - Average rainfall in June:
2.8"
- Average rainfall in July:
3.62" - Average rainfall in August:
3.27" - Average rainfall in September:
2.48" - Average rainfall in October:
3.39" - Average rainfall in November:
2.44" - Average rainfall in December:
3.74"
The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days
Lake Ronkonkoma, NY
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
9.2 days - Average rainfall days in March:
10.9 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
15.7 days - Average rainfall days in September:
12.8 days - Average rainfall days in October:
14 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Lake Ronkonkoma, NY
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").
Average snowfall days
Lake Ronkonkoma, NY
- Average snowfall days in January:
4.3 days - Average snowfall days in February:
4.6 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.2 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:
0.1 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
2.4 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Lake Ronkonkoma, NY
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 12min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 42min - Average sunshine in September:
9h and 12min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Lake Ronkonkoma, NY
- Average sunshine days in January:
18.4 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.5 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
15.8 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
16.9 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Lake Ronkonkoma, 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 and December (UV index 2).
Average cloud cover
Lake Ronkonkoma, NY
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility
Lake Ronkonkoma, 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).
