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
July registers as the month with the highest average temperatures, reaching 82.4°F (28°C) at its peak and 63.1°F (17.3°C) at the lowest.Heat index
July's mean heat index is appraised at a hot 87.8°F (31°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
The average relative humidity in July in Holliston is 75%.Rainfall
In Holliston, during July, the rain falls for 18.4 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Holliston, there are 157.5 rainfall days, and 29.53" (750mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In July, the average length of the day is 14h and 54min.On the first day of July in Holliston, Massachusetts, sunrise is at 5:13 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:05 pm EDT.
Sunshine
In July, the average sunshine in Holliston is 10.2h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 6 in July translates into these instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What time of the year is the hottest in Holliston?
Is it hot in Holliston during July?
What is the average humidity in July in Holliston?
How much does it rain in Holliston in July?
When it does not snow in Holliston?
What is the average length of the day in July in Holliston?
When are sunrise and sunset in July in Holliston?
How many hours of sunshine does Holliston have in July?
What is the month with the highest UV index in Holliston?
How high is the UV index in July in Holliston?
Average temperature in July
Holliston, MA
- Average high temperature in July: 82.4°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in July: 63.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in July
Holliston, MA
- Average pressure in July: 29.95"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Holliston, MA
- Average wind speed in July: 5.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in July
Holliston, MA
- Average humidity in July: 75%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).
Average rainfall in July
Holliston, MA
- Average rainfall in July: 2.52"
The wettest month (with the highest rainfall) is April (2.87").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in July
Holliston, MA
- Average rainfall days in July: 18.4 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in July
Holliston, MA
- Average snowfall in July: 0"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Holliston, MA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Holliston, MA
- Average daylight in July: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in July: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in July
Holliston, MA
- Average sunshine days in July: 11.3 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is June (11 days).
Average UV index in July
Holliston, MA
- Average UV index in July: 6
The months with the highest UV index are June, 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 July
Holliston, MA
- Average cloud cover in July: 36
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in July
Holliston, MA
- Average visibility in July: 6mi
The months with the highest visibility are January, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are February, August and September (5mi).
Holliston, Massachusetts, USA
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