Climate and monthly weather forecast
Ronkonkoma, NY

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Weather in January

January, like December, in Ronkonkoma, New York, is another cold winter month, 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). The month of January sees the lowest average temperatures, reaching 37.9°F (3.3°C) at the peak and 30.2°F (-1°C) at the low. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Ronkonkoma, New York, with an average temperature varying between 31.3°F (-0.4°C) and 39.7°F (4.3°C). February brings a marginal elevation to a still cold 39.7°F (4.3°C) from January's 37.9°F (3.3°C) in Ronkonkoma's average high-temperatures. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in 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). An average high-temperature of a chilly 44.2°F (6.8°C) marks March, exhibiting a close resemblance to the conditions in February. Weather in March »

Weather in April

April in Ronkonkoma, New York, is a cool spring month, with an average temperature varying between 45.1°F (7.3°C) and 52.3°F (11.3°C). With the onset of April, Ronkonkoma experiences a subtle temperature shift, with 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

The last month of the spring, May, is a comfortable month in Ronkonkoma, New York, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 54.3°F (12.4°C). In Ronkonkoma, stepping into May brings a gentle temperature nudge, moving slightly up from April's cool 52.3°F (11.3°C) 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 temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 70.7°F (21.5°C). The beginning of June marks a shift in the average high-temperature, moving from May's comfortable 61.2°F (16.2°C) to a pleasant 70.7°F (21.5°C). Weather in June »

Weather in July

July is a moderately hot summer month in Ronkonkoma, New York, with temperature in the range of an average low of 71.6°F (22°C) and an average high of 77.9°F (25.5°C). Observing a slight rise in July, the average high-temperature shifts from June's pleasant 70.7°F (21.5°C) to a warm 77.9°F (25.5°C). Weather in July »

Weather in August

August, the last month of the summer in Ronkonkoma, is another warm month, with temperature in the range of an average high of 78.1°F (25.6°C) and an average low of 71.8°F (22.1°C). August registers as the month with the highest average temperatures, reaching 78.1°F (25.6°C) at its peak and 71.8°F (22.1°C) at the lowest. Weather in August »

Weather in September

September, the first month of the autumn in Ronkonkoma, is also an agreeable month, with an average temperature varying between 65.3°F (18.5°C) and 72.1°F (22.3°C). September witnesses a gentle descent in average high-temperature, descending 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, the same as September, is another comfortable autumn month in Ronkonkoma, New York, with an average temperature fluctuating between 62.4°F (16.9°C) and 55.8°F (13.2°C). The beginning of October involves a decrease in the average high-temperature, transitioning from a pleasant 72.1°F (22.3°C) in September to a comfortable 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 fluctuating between 52.3°F (11.3°C) and 45°F (7.2°C). November brings a decrease in the average high-temperature, falling from October's comfortable 62.4°F (16.9°C) to a cool 52.3°F (11.3°C). Weather in November »

Weather in December

December, the first month of the winter in Ronkonkoma, is also a frosty month, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 44.1°F (6.7°C). Ronkonkoma's progression into December involves a gentle drop in the average high-temperature, from a fresh 52.3°F (11.3°C) in November to a chilly 44.1°F (6.7°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Ronkonkoma?

January, with its average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 30.2°F (-1°C), holds the record as the coldest month in Ronkonkoma.

What is the driest month in Ronkonkoma?

January is the month with the least rainfall in Ronkonkoma, New York. Rain falls for 8.3 days and accumulates 2.17" (55mm) of precipitation.

How many days does it rain in Ronkonkoma?

In Ronkonkoma, New York, 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?

Months with snowfall in Ronkonkoma, New York, are January through March, May, October and December.

How many days does it snow in Ronkonkoma?

Throughout the year, in Ronkonkoma, New York, there are 14.7 snowfall days, and 6.14" (156mm) of snow is accumulated.

What are the months with the lowest UV index in Ronkonkoma?

The months with the lowest UV index in Ronkonkoma, New York, are January through March and December, with an average maximum UV index of 2.

What is the month with the least sunshine in Ronkonkoma?

The month with the least sunshine is February, with an average of 4.8h of sunshine.

What is the snowiest month in Ronkonkoma?

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.

When is Daylight Saving Time (DST) in Ronkonkoma?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Ronkonkoma, 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 Ronkonkoma?

April, June through September and November are months without snowfall.

What are the most humid months in Ronkonkoma?

The months with the highest humidity in Ronkonkoma are May and June, with an average relative humidity of 78%.

When are the longest days in Ronkonkoma?

With an average of 15h and 6min of daylight, June has the longest days of the year.

When is the highest UV index in Ronkonkoma?

The months with the highest UV index in Ronkonkoma are June through August, with an average maximum UV index of 6.

What month has the most sunshine in Ronkonkoma?

With an average of 10.8h of sunshine, July has the most sunshine of the year in Ronkonkoma.

What month is the hottest in Ronkonkoma?

August is the warmest month of the year in Ronkonkoma, New York, registering average temperatures as high as 78.1°F (25.6°C) and as low as 71.8°F (22.1°C).

What is the least humid month in Ronkonkoma?

The least humid month in Ronkonkoma is November, with an average relative humidity of 71%.

What is the wettest month in Ronkonkoma?

The month with the most rainfall in Ronkonkoma, New York, 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 in Ronkonkoma?

The month with the shortest days in Ronkonkoma is December, with an average of 9h and 18min of daylight.

Average temperature
Ronkonkoma, NY

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).

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Average pressure
Ronkonkoma, NY

Average pressure - Ronkonkoma, NY

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Ronkonkoma, NY

Average wind speed - Ronkonkoma, NY

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).

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Average humidity
Ronkonkoma, NY

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%).

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Average rainfall
Ronkonkoma, NY

Average rainfall - Ronkonkoma, NY

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").

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Average rainfall days
Ronkonkoma, NY

Average rainfall days - Ronkonkoma, NY

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).

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Average snowfall
Ronkonkoma, NY

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").

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Average snowfall days
Ronkonkoma, NY

Average snowfall days - Ronkonkoma, NY

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).

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Average daylight / Average sunshine
Ronkonkoma, NY

Average daylight / Average sunshine - Ronkonkoma, NY

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).

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).

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Average sunshine days
Ronkonkoma, NY

Average sunshine days - Ronkonkoma, NY

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index
Ronkonkoma, NY

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).

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Average visibility
Ronkonkoma, NY

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).

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Ronkonkoma, New York, USA

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