Climate and monthly weather forecast
Rotterdam, NY

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Weather in January

January, like December, is a freezing cold winter month in Rotterdam, New York, with an average temperature fluctuating between 28.6°F (-1.9°C) and 16.9°F (-8.4°C). Rotterdam's temperature records reveal January as the coldest month, marked by average highs of 28.6°F (-1.9°C) and lows of 16.9°F (-8.4°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Rotterdam, New York, with an average temperature varying between 18.3°F (-7.6°C) and 31.5°F (-0.3°C). February's onset sees an average high-temperature of a still freezing cold 31.5°F (-0.3°C), exhibiting a slight fluctuation from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Rotterdam, New York, with an average temperature varying between 40.6°F (4.8°C) and 25.7°F (-3.5°C). The onset of March brings a rise in the average high-temperature, elevating from a subzero cold 31.5°F (-0.3°C) in February to a wintry 40.6°F (4.8°C). Weather in March »

Weather in April

April is a cool spring month in Rotterdam, New York, with an average temperature fluctuating between 36.1°F (2.3°C) and 54.3°F (12.4°C). The start of April signals an increase in the average high-temperature, moving from an icy 40.6°F (4.8°C) in March to a cool 54.3°F (12.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Rotterdam, New York, with an average temperature ranging between min 47.3°F (8.5°C) and max 68°F (20°C). May's onset is marked by a temperature increase, moving from a cool 54.3°F (12.4°C) in April to an agreeable 68°F (20°C). Weather in May »

Weather in June

June, the first month of the summer in Rotterdam, is a moderately hot month, with an average temperature fluctuating between 54°F (12.2°C) and 75°F (23.9°C). Rotterdam in June denotes a subtle temperature transition, adjusting from an average high of a pleasant 68°F (20°C) in May to a warm 75°F (23.9°C). Weather in June »

Weather in July

July, like June, in Rotterdam, New York, is another warm summer month, with an average temperature ranging between min 59.7°F (15.4°C) and max 81.3°F (27.4°C). Rotterdam's temperatures peak on average in July, reaching 81.3°F (27.4°C) at their highest and 59.7°F (15.4°C) at their lowest. July's average heat index is calculated to be a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Rotterdam, New York, with an average temperature ranging between min 58.1°F (14.5°C) and max 79.2°F (26.2°C). The commencement of August introduces an average high-temperature of a still warm 79.2°F (26.2°C), closely mirroring the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Rotterdam, is also an agreeable month, with an average temperature ranging between max 71.4°F (21.9°C) and min 51.6°F (10.9°C). Rotterdam in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 79.2°F (26.2°C) to an agreeable 71.4°F (21.9°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Rotterdam, New York, with an average temperature varying between 43.2°F (6.2°C) and 58.1°F (14.5°C). October's onset brings a slight change in high-temperatures, falling from an agreeable 71.4°F (21.9°C) in September to a mild 58.1°F (14.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Rotterdam, New York, with an average temperature varying between 32°F (0°C) and 45.5°F (7.5°C). As November arrives, Rotterdam's weather displays a decrease in high-temperatures, transitioning from October's moderate 58.1°F (14.5°C) to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Rotterdam, New York, with an average temperature varying between 24.6°F (-4.1°C) and 34.2°F (1.2°C). Rotterdam's weather changes with the onset of December, slightly falling from a frosty 45.5°F (7.5°C) in November to an icy 34.2°F (1.2°C). Weather in December »
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Frequently asked questions

What part of the year is the coldest in Rotterdam?

January is the month when Rotterdam experiences its coldest temperatures, averaging a high of 28.6°F (-1.9°C) and a low of 16.9°F (-8.4°C).

What is the driest month in Rotterdam?

The month with the least rainfall is January, when the rain falls for 6.2 days and typically collects 1.57" (40mm) of precipitation.

How much does it rain in Rotterdam?

Throughout the year, in Rotterdam, New York, there are 137.4 rainfall days, and 25.75" (654mm) of precipitation is accumulated.

When does it snow in Rotterdam?

January through May, October through December are months with snowfall in Rotterdam.

How much does it snow in Rotterdam?

Throughout the year, there are 36.5 snowfall days, and 22.56" (573mm) of snow is accumulated.

What is the most humid month in Rotterdam?

With an average relative humidity of 83%, February is the most humid month in Rotterdam, New York.

What is the snowiest month in Rotterdam?

The month with the most snowfall is February, when snow falls for 9.5 days and typically aggregates up to 6.02" (153mm) of snow.

What is the month with the least sunshine in Rotterdam?

February has the least sunshine of the year, with an average of 3.8h of sunshine.

When is Daylight Saving Time (DST) in Rotterdam?

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.

What is the least humid month in Rotterdam?

The least humid month in Rotterdam, New York, is April, with an average relative humidity of 74%.

What is the rainiest month in Rotterdam?

The month with the most rainfall in Rotterdam is May, when the rain falls for 16 days and typically aggregates up to 2.83" (72mm) of precipitation.

What are the months with the highest UV index in Rotterdam?

May through August, with an average maximum UV index of 5, are months with the highest UV index in Rotterdam.

When it does not snow in Rotterdam?

June through September are months without snowfall in Rotterdam, New York.

When are the longest days in Rotterdam?

The month with the longest days is June, with an average of 15h and 18min of daylight.

What time of the year is the hottest in Rotterdam?

Rotterdam, New York, records the warmest temperatures in July, averaging a high of 81.3°F (27.4°C) and a low of 59.7°F (15.4°C).

What month has the most sunshine in Rotterdam?

With an average of 10.5h of sunshine, August has the most sunshine of the year in Rotterdam.

What is the month with the shortest days in Rotterdam?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

What is the month with the lowest UV index in Rotterdam?

With an average maximum UV index of 1, December is the month with the lowest UV index.

Average temperature
Rotterdam, NY

Average temperature - Rotterdam, NY

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (28.6°F).

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure
Rotterdam, NY

Average pressure - Rotterdam, NY

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Rotterdam, NY

Average wind speed - Rotterdam, NY

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average rainfall
Rotterdam, NY

Average rainfall - Rotterdam, NY

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (1.57").

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Average rainfall days
Rotterdam, NY

Average rainfall days - Rotterdam, NY

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (6.2 days).

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Average snowfall
Rotterdam, NY

Average snowfall - Rotterdam, NY

The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Rotterdam, NY

Average snowfall days - Rotterdam, NY

The month with the highest number of snowfall days is February (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Rotterdam, NY

Average daylight / Average sunshine - Rotterdam, NY

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).

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days
Rotterdam, NY

Average sunshine days - Rotterdam, NY

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is April (12.6 days).

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Average visibility
Rotterdam, NY

Average visibility - Rotterdam, NY

The months with the highest visibility are April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May and September (5mi).

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Rotterdam, New York, USA

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