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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, in Rotterdam, New York, is another subzero cold winter month, with temperature in the range of an average low of 16.9°F (-8.4°C) and an average high of 28.6°F (-1.9°C). Rotterdam's January weather reaches an average high of 28.6°F (-1.9°C) and an average low of 16.9°F (-8.4°C), making it the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Rotterdam, New York, with temperature in the range of an average high of 31.5°F (-0.3°C) and an average low of 18.3°F (-7.6°C). Rotterdam ushers in February with an average high-temperature of a still freezing cold 31.5°F (-0.3°C), showing a close resemblance to 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 ranging between min 25.7°F (-3.5°C) and max 40.6°F (4.8°C). The arrival of March signals an increase in the average high-temperature, moving from a freezing cold 31.5°F (-0.3°C) in February to an icy 40.6°F (4.8°C). Weather in March »
Weather in April
April in Rotterdam, New York, is a cool spring month, with an average temperature ranging between min 36.1°F (2.3°C) and max 54.3°F (12.4°C). April's arrival signals an increase in average high-temperatures, moving from March's icy 40.6°F (4.8°C) to a fresh 54.3°F (12.4°C). Weather in April »
Weather in May
May, the last month of the spring in Rotterdam, is an agreeable month, with an average temperature fluctuating between 68°F (20°C) and 47.3°F (8.5°C). The shift into May is accompanied by a temperature increase, with the average high-temperature rising from a fresh 54.3°F (12.4°C) in April to a pleasant 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 75°F (23.9°C) and 54°F (12.2°C). The start of June signals a slight increase in the average high-temperature, moving from an agreeable 68°F (20°C) in May to a moderately hot 75°F (23.9°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Rotterdam, New York, with an average temperature varying between 59.7°F (15.4°C) and 81.3°F (27.4°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 81.3°F (27.4°C) and a low of 59.7°F (15.4°C). The heat index for July is estimated at a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Rotterdam, New York, with an average temperature varying between 58.1°F (14.5°C) and 79.2°F (26.2°C). The beginning of August records an average high-temperature of a still warm 79.2°F (26.2°C), almost echoing the conditions of the previous 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 varying between 71.4°F (21.9°C) and 51.6°F (10.9°C). September marks a gentle change in average high-temperature, declining 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 refreshing autumn month in Rotterdam, New York, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 43.2°F (6.2°C). October comes with a drop in the average high-temperature, falling from September's agreeable 71.4°F (21.9°C) to a refreshing 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 45.5°F (7.5°C) and 32°F (0°C). Rotterdam's November weather shows a moderate shift in high-temperatures, falling from October's refreshing 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 a wintry month in Rotterdam, New York, with an average temperature varying between 24.6°F (-4.1°C) and 34.2°F (1.2°C). With December's arrival, Rotterdam's weather changes as the average high-temperature falls from a chilly 45.5°F (7.5°C) in November to a wintry 34.2°F (1.2°C). Weather in December »
Updated: Jun 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 are the coldest months?
January brings the lowest temperatures, with an average high of 28.6°F (-1.9°C) and an average low of 16.9°F (-8.4°C).
What is the driest month?
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, during the entire year, the rain falls for 137.4 days and collects up to 25.75" (654mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 36.5 snowfall days, and 22.56" (573mm) of snow is accumulated.
What is the most humid month?
The most humid month is February, with an average relative humidity of 83%.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 9.5 days and accumulates 6.02" (153mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is February, 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?
April is the least humid month, with an average relative humidity of 74%.
What is the wettest month in Rotterdam?
May is the month with the most rainfall. Rain falls for 16 days and accumulates 2.83" (72mm) of precipitation.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 5.
When it does not snow?
In Rotterdam, snow does not fall in June through September.
When are the longest days?
With an average of 15h and 18min of daylight, June has the longest days of the year.
What part of the year is the hottest?
Rotterdam experiences its average highest temperatures in July, reaching a peak of 81.3°F (27.4°C) and a minimum of 59.7°F (15.4°C).
What month has the most sunshine?
With an average of 10.5h of sunshine, August has the most sunshine of the year.
What is the month with the shortest days?
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?
The month with the lowest UV index is December, with an average maximum UV index of 1.
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).
Average pressure
Rotterdam, 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:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"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 (29.92"Hg).
Average wind speed
Rotterdam, NY
- Average wind speed in January:
8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
7.8mph - Average wind speed in April:
7.9mph - Average wind speed in May:
6.5mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.4mph
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).
Average humidity
Rotterdam, NY
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).
Average rainfall
Rotterdam, NY
- Average rainfall in January:
1.57" - Average rainfall in February:
1.69" - Average rainfall in March:
1.65" - Average rainfall in April:
2.32" - Average rainfall in May:
2.83" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.36" - Average rainfall in August:
2.4" - Average rainfall in September:
1.73" - Average rainfall in October:
2.72" - Average rainfall in November:
1.81" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days
Rotterdam, NY
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
6.4 days - Average rainfall days in March:
10.9 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
16 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
7.8 days
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).
Average snowfall
Rotterdam, NY
- Average snowfall in January:
5.43" - Average snowfall in February:
6.02" - Average snowfall in March:
3.35" - Average snowfall in April:
0.79" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rotterdam, NY
- Average snowfall days in January:
8.5 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
2 days - Average snowfall days in May:
0.3 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:
0.5 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
6.4 days
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).
Average daylight / Average sunshine
Rotterdam, NY
- Average daylight in January:
9h and 3min - 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 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 3min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 2min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 1min
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).
Average sunshine days
Rotterdam, NY
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
15.4 days - Average sunshine days in March:
15.4 days - Average sunshine days in April:
12.6 days - Average sunshine days in May:
13.3 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
14.8 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
16.4 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
18.1 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is April (12.6 days).
Average UV index
Rotterdam, NY
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Rotterdam, NY
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 32).
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).
Rotterdam, New York, USA
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