June weather forecastNew Castle, NH
June
Weather in June
As summer takes full swing in June, New Castle sees its temperatures reaching a comfortable 69.3°F (20.7°C). A remarkable increase in daylight and sunshine hours ensures pleasant, bright days. Rainy days might be at their peak in the year, but sea temperatures are warm enough for summer water activities. The wind speeds continue to lessen, providing a comforting breeze during the day.Temperature
June signifies a subtle uplift in the average high-temperature, adjusting from a comfortable 61°F (16.1°C) in May to a pleasant 69.3°F (20.7°C). New Castle, during the nights of June, experiences an average temperature drop to a mild 55.4°F (13°C).Humidity
With an average relative humidity of 80%, June is the most humid month in New Castle.Rainfall
In New Castle, during June, the rain falls for 15 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 144.2 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
In New Castle, snow does not fall in May through September.Ocean temperature
In New Castle, in June, the average water temperature is 55.9°F (13.3°C).Note: Beware of 55.9°F (13.3°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.
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 5:05 am and sunset at 8:15 pm. On the last day of June, sunrise is at 5:07 am and sunset at 8:26 pm EDT.
Sunshine
The average sunshine in June is 9.2h.UV index
In New Castle, the average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 in June translates into this advice:
Be vigilant - Preventing sunburn is recommended. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
New Castle, NH
- Average high temperature in June: 69.3°F
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in June: 55.4°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in June
New Castle, NH
- Average pressure in June: 29.92"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in June
New Castle, NH
- Average wind speed in June: 7.4mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in June
New Castle, NH
- Average humidity in June: 80%
The month with the highest relative humidity is June (80%).
The months with the lowest relative humidity are April and November (75%).
Average rainfall in June
New Castle, NH
- Average rainfall in June: 2.6"
The wettest month (with the highest rainfall) is October (2.83").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in June
New Castle, NH
- Average rainfall days in June: 15 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in June
New Castle, NH
- Average snowfall in June: 0"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
New Castle, NH
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in June
New Castle, NH
- Average sea temperature in June: 55.9°F
The best month for swimming (with the highest average sea temperature) is August (65.6°F).
The coldest month (with the lowest average sea temperature) is March (38.5°F).
Average daylight in June /
Average sunshine in June
New Castle, NH
- 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in June
New Castle, NH
- Average sunshine days in June: 13.3 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in June
New Castle, NH
- Average UV index in June: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in June
New Castle, NH
- Average cloud cover in June: 40
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in June
New Castle, NH
- Average visibility in June: 6mi
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).
