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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 Ronkonkoma, New York, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 30.2°F (-1°C). January is the month when Ronkonkoma sees the lowest average temperatures, with a high of 37.9°F (3.3°C) and a low of 30.2°F (-1°C). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Ronkonkoma, New York, with an average temperature fluctuating between 31.3°F (-0.4°C) and 39.7°F (4.3°C). The transition into February marks the average high-temperature at a still icy 39.7°F (4.3°C), differing minimally from January's 37.9°F (3.3°C). Weather in February »
Weather in March
March, the first month of the spring in Ronkonkoma, is a chilly month, 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). Ronkonkoma's weather, upon March's arrival, documents an average high-temperature of a chilly 44.2°F (6.8°C), nearly identical to the prior month. Weather in March »
Weather in April
April in Ronkonkoma, New York, is a fresh spring month, with an average temperature fluctuating between 45.1°F (7.3°C) and 52.3°F (11.3°C). In Ronkonkoma, the average high-temperature in April slightly rises, from a chilly 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 Ronkonkoma, is a comfortable month, with an average temperature varying between 54.3°F (12.4°C) and 61.2°F (16.2°C). A subtle rise in the average high-temperature is observed during May, adjusting from a cool 52.3°F (11.3°C) in April to an enjoyable 61.2°F (16.2°C). Weather in May »
Weather in June
June, the first month of the summer in Ronkonkoma, is an agreeable month, with an average temperature ranging between max 70.7°F (21.5°C) and min 63.5°F (17.5°C). As Ronkonkoma transitions into June, the average high-temperature shows a change, moving from a refreshing 61.2°F (16.2°C) in May to an agreeable 70.7°F (21.5°C). Weather in June »
Weather in July
July in Ronkonkoma, New York, is a moderately hot summer month, with an average temperature fluctuating between 71.6°F (22°C) and 77.9°F (25.5°C). The arrival of July witnesses a small shift in the average high-temperature, moving from a pleasant 70.7°F (21.5°C) in June to a warm 77.9°F (25.5°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Ronkonkoma, New York, with temperature in the range of an average low of 71.8°F (22.1°C) and an average high of 78.1°F (25.6°C). Ronkonkoma's August weather, with an average high temperature of 78.1°F (25.6°C) and an average low temperature of 71.8°F (22.1°C), tends to be the warmest of the year. Weather in August »
Weather in September
September, the first month of the autumn in 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). Ronkonkoma's September weather features a light decline in high-temperatures, reducing from a moderately hot 78.1°F (25.6°C) in August to an agreeable 72.1°F (22.3°C). Weather in September »
Weather in October
October, like September, in Ronkonkoma, New York, is another refreshing autumn month, with an average temperature varying between 55.8°F (13.2°C) and 62.4°F (16.9°C). The commencement of October indicates a shift in the average high-temperature, receding from September's pleasant 72.1°F (22.3°C) to an enjoyable 62.4°F (16.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Ronkonkoma, New York, with an average temperature ranging between max 52.3°F (11.3°C) and min 45°F (7.2°C). As October transitions to November, the average high-temperature falls from a refreshing 62.4°F (16.9°C) to a fresh 52.3°F (11.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Ronkonkoma, New York, with an average temperature varying between 44.1°F (6.7°C) and 37.2°F (2.9°C). December's arrival aligns with a minor decrease in average high-temperatures, from November's cool 52.3°F (11.3°C) to a frosty 44.1°F (6.7°C). Weather in December »
Updated: Aug 12, 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?
Ronkonkoma's temperature records reveal January as the coldest month, marked by average highs of 37.9°F (3.3°C) and lows of 30.2°F (-1°C).
What is the driest month?
January is the month with the least rainfall. Rain falls for 8.3 days and accumulates 2.17" (55mm) of precipitation.
How many days does it rain?
In Ronkonkoma, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.
When does it snow in Ronkonkoma?
January through March, May, October and December are months with snowfall in Ronkonkoma.
How many days does it snow?
Throughout the year, there are 14.7 snowfall days, and 6.14" (156mm) of snow is accumulated.
What is the month with the lowest UV index?
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2.
What is the month with the least sunshine?
February has the least sunshine of the year, with an average of 4.8h of sunshine.
When does it snow the most in Ronkonkoma?
March is the month with the most snowfall. Snow falls for 2.5 days and accumulates 2.13" (54mm) of snow.
When is Daylight Saving Time (DST) in Ronkonkoma?
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.
When it does not snow?
April, June through September and November are months without snowfall.
What is the most humid month?
The months with the highest humidity in Ronkonkoma are May and June, with an average relative humidity of 78%.
When are the longest days?
June has the longest days of the year, with an average of 15h and 6min of daylight.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month has the most sunshine?
The month with the most sunshine is July, with an average of 10.8h of sunshine.
What part of the year is the hottest?
Ronkonkoma's August weather, with an average high temperature of 78.1°F (25.6°C) and an average low temperature of 71.8°F (22.1°C), tends to be the warmest of the year.
What is the least humid month?
With an average relative humidity of 71%, November is the least humid month in Ronkonkoma, New York.
What is the wettest month?
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.
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
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
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
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
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
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
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
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
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
Ronkonkoma, 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 4min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
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
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
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
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
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).
Ronkonkoma, New York, USA
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