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 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
June's arrival coincides with a subtle temperature rise, moving from May's enjoyable 64.9°F (18.3°C) to an agreeable 72°F (22.2°C). An average nighttime temperature of 50.9°F (10.5°C) is observed during June.Humidity
The average relative humidity in June in Grantham, New Hampshire, is 77%.Rainfall
In June, the rain falls for 16.8 days. Throughout June, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 153.2 rainfall days, and 29.92" (760mm) of precipitation is accumulated.Snowfall
In Grantham, 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 June, sunrise is at 5:09 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:33 pm EDT.
Sunshine
In Grantham, the average sunshine in June is 8.8h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 5 in June leads to these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average June temperature?
What is the average humidity in June?
How much does it rain in June?
When it does not snow?
Does it snow in June?
When are the longest days?
How many hours of daylight does Grantham have in June?
What time are sunrise and sunset in June?
How long on average sun shines in June?
When is the highest UV index?
What is the UV index reading in June?
Average temperature in June
Grantham, NH
- Average high temperature in June: 72°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (25.9°F).
- Average low temperature in June: 50.9°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in June
Grantham, NH
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Grantham, NH
- Average wind speed in June: 5.7mph
The windiest months (with the highest average wind speed) are January, February, March and April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in June
Grantham, NH
- Average humidity in June: 77%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in June
Grantham, NH
- Average rainfall in June: 2.68"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in June
Grantham, NH
- Average rainfall days in June: 16.8 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in June
Grantham, NH
- Average snowfall in June: 0"
The month with the highest snowfall is February (11.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Grantham, NH
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Grantham, NH
- Average daylight in June: 15h and 2min
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 5min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in June
Grantham, NH
- Average sunshine days in June: 12 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in June
Grantham, NH
- Average UV index in June: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in June
Grantham, NH
- Average cloud cover in June: 45
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in June
Grantham, NH
- Average visibility in June: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Grantham, New Hampshire, USA
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