Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average sea temperature in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
Portsmouth in June denotes a subtle temperature transition, adjusting from an average high of a refreshing 61°F (16.1°C) in May to an agreeable 69.3°F (20.7°C). The month of June records an average low-temperature of 55.4°F (13°C) in Portsmouth.Humidity
June is the most humid month, with an average relative humidity of 80%.Rainfall
In Portsmouth, 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
May through September are months without snowfall in Portsmouth.Ocean temperature
In Portsmouth, the average seawater temperature in June is 55.9°F (13.3°C).Note: Engaging in a swim in 55.9°F (13.3°C) can threaten life. Brief exposure to 55.4°F (13°C) waters is uneasy, and submersion below 50°F (10°C) can lead to cold shock and disrupted breathing patterns, varying by individual.
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 8:16 pm. On the last day of June, sunrise is at 5:07 am and sunset at 8:26 pm EDT.
Sunshine
In June, the average sunshine is 9.2h.UV index
In Portsmouth, the average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in June interprets into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in June?
What is the most humid month?
What is the average humidity in June in Portsmouth?
How much does it rain in June?
When it does not snow?
What is the water temperature in June?
When are the longest days?
What is the average length of the day in June?
When are sunrise and sunset in June?
How long on average sun shines in June?
How high is the UV index in June?
Average temperature in June
Portsmouth, 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
Portsmouth, 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
Portsmouth, 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
Portsmouth, 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
Portsmouth, 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
Portsmouth, 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
Portsmouth, 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
Portsmouth, 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
Portsmouth, 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
Portsmouth, NH
- Average daylight in June: 15h and 2min
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 1min
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
Portsmouth, 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
Portsmouth, 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
Portsmouth, 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
Portsmouth, 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).
Portsmouth, New Hampshire, USA
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