June weather forecastRotterdam, NY
June
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).Temperature
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). An average nighttime temperature of 54°F (12.2°C) is noted during the month of June.Humidity
In Rotterdam, the average relative humidity in June is 75%.Rainfall
In Rotterdam, during June, the rain falls for 14.5 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Rotterdam, during the entire year, the rain falls for 137.4 days and collects up to 25.75" (654mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The month with the longest days is June, with an average of 15h and 18min of daylight.On the first day of the month, sunrise is at 5:19 am and sunset at 8:27 pm. On the last day of June, sunrise is at 5:21 am and sunset at 8:38 pm EDT.
Sunshine
In Rotterdam, the average sunshine in June is 9.6h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 5 in June leads to these recommendations:
Exercise prevention - Warding off sunburn is urged. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Rotterdam, NY
- Average high temperature in June: 75°F
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).
- Average low temperature in June: 54°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 in June
Rotterdam, NY
- Average pressure in June: 29.92"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 in June
Rotterdam, NY
- Average wind speed in June: 5.9mph
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 in June
Rotterdam, NY
- Average humidity in June: 75%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).
Average rainfall in June
Rotterdam, NY
- Average rainfall in June: 2.6"
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 in June
Rotterdam, NY
- Average rainfall days in June: 14.5 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 in June
Rotterdam, NY
- 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 in June
Rotterdam, NY
- Average snowfall days in June: 0 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 in June /
Average sunshine in June
Rotterdam, NY
- Average daylight in June: 15h and 18min
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 June: 9h and 36min
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 in June
Rotterdam, NY
- Average sunshine days in June: 13.7 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 in June
Rotterdam, NY
- Average UV index in June: 5
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 in June
Rotterdam, NY
- Average cloud cover in June: 39
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 in June
Rotterdam, NY
- Average visibility in June: 6mi
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).
