June weather forecastAlton, NH
June
Weather in June
June brings the onset of summer to Alton with warmer temperatures setting in. While this is a shift from the moderate climate of May, the weather remains pleasant for a majority of the daytime hours. Residents have ample daylight with 15.4 hours in a day, the highest for the year. Boosting the charm of Alton in June, the bright mornings and extended evenings provide more time to enjoy the outdoors. The combination of conditions in June offers an all-inclusive summer experience to both residents and visitors alike.Temperature
June brings a slight elevation in the average high-temperature, transitioning from May's refreshing 63.9°F (17.7°C) to a pleasant 71.6°F (22°C). Alton's average low-temperature is measured at a cool 51.3°F (10.7°C) during June.Humidity
The average relative humidity in June is 79%.Rainfall
In Alton, during June, the rain falls for 15 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, there are 152 rainfall days, and 29.09" (739mm) of precipitation is accumulated.Snowfall
In Alton, New Hampshire, snow does not fall in June through September.Daylight
June has the longest days of the year, with an average of 15h and 24min of daylight.On the first day of the month, sunrise is at 5:06 am and sunset at 8:19 pm. On the last day of June, sunrise is at 5:07 am and sunset at 8:29 pm EDT.
Sunshine
In June, the average sunshine is 8.7h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in June, converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Alton, NH
- Average high temperature in June: 71.6°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in June: 51.3°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in June
Alton, NH
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Alton, NH
- Average wind speed in June: 5.2mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in June
Alton, NH
- Average humidity in June: 79%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in June
Alton, NH
- Average rainfall in June: 2.64"
The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in June
Alton, NH
- Average rainfall days in June: 15 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in June
Alton, NH
- Average snowfall in June: 0"
The month with the highest snowfall is February (9.84").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Alton, NH
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Alton, NH
- Average daylight in June: 15h and 24min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in June: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in June
Alton, NH
- Average sunshine days in June: 13.2 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in June
Alton, NH
- Average UV index in June: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in June
Alton, NH
- Average cloud cover in June: 45
The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in June
Alton, NH
- Average visibility in June: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
