Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
Grantham's July weather, marked by an average high temperature of 78.8°F (26°C) and an average low temperature of 57.2°F (14°C), is the warmest in the year.Humidity
In Grantham, the average relative humidity in July is 77%.Rainfall
In Grantham, in July, it is raining for 14.8 days, with typically 2.52" (64mm) of accumulated precipitation. In Grantham, New Hampshire, during the entire year, the rain falls for 153.2 days and collects up to 29.92" (760mm) of precipitation.Snowfall
In Grantham, snow does not fall in June through September.Daylight
In Grantham, New Hampshire, the average length of the day in July is 15h and 2min.On the first day of the month, sunrise is at 5:11 am and sunset at 8:33 pm. On the last day of July, in Grantham, sunrise is at 5:37 am and sunset at 8:12 pm EDT.
Sunshine
In Grantham, the average sunshine in July is 9.9h.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 moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during July leads to these advisories:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What are the warmest months in Grantham?
What are July temperatures in Grantham?
What is the average humidity in July in Grantham?
How many days does it rain in July in Grantham?
When it does not snow in Grantham?
What is the average length of the day in July in Grantham?
What time are sunrise and sunset in July in Grantham?
How long on average sun shines in July in Grantham?
When is the highest UV index in Grantham?
How high is the UV index in July in Grantham?
Average temperature in July
Grantham, NH
- Average high temperature in July: 78.8°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 July: 57.2°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 July
Grantham, NH
- Average pressure in July: 29.94"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 July
Grantham, NH
- Average wind speed in July: 5.2mph
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 July
Grantham, NH
- Average humidity in July: 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 July
Grantham, NH
- Average rainfall in July: 2.52"
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 July
Grantham, NH
- Average rainfall days in July: 14.8 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 July
Grantham, NH
- Average snowfall in July: 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 July
Grantham, NH
- Average snowfall days in July: 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 July /
Average sunshine in July
Grantham, NH
- Average daylight in July: 15h and 0min
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 July: 9h 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 July
Grantham, NH
- Average sunshine days in July: 13.9 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 July
Grantham, NH
- Average UV index in July: 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 July
Grantham, NH
- Average cloud cover in July: 37
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 July
Grantham, NH
- Average visibility in July: 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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