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, with an average high of 81.3°F (27.4°C) and a low of 68.9°F (20.5°C), signifies the warmest month of the year.Heat index
July's mean heat index is computed to be a hot 86°F (30°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
The average relative humidity in July in Darien is 74%.Rainfall
The wettest months are July and December, with an average 4.17" (106mm) of rainfall.Snowfall
In Darien, snow does not fall in May through October.Daylight
In July, the average length of the day is 14h and 47min.On the first day of July, sunrise is at 5:25 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:11 pm EDT.
Sunshine
July has the most sunshine of the year in Darien, with an average of 10.4h of sunshine.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A typical high UV index of 6 in July suggests the following recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What is the hottest time of year in Darien?
What are the temperatures in Darien in July?
What is the average humidity in July in Darien?
What is the rainiest month in Darien?
How many days does it rain in July in Darien?
When it does not snow in Darien?
How many hours of daylight does Darien have in July?
What time are sunrise and sunset in July in Darien?
What month has the most sunshine in Darien?
How long on average sun shines in July in Darien?
What are the months with the highest UV index in Darien?
What is the UV index reading in July in Darien?
Average temperature in July
Darien, CT
- Average high temperature in July: 81.3°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in July: 68.9°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in July
Darien, CT
- Average pressure in July: 29.96"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in July
Darien, CT
- Average wind speed in July: 6.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in July
Darien, CT
- Average humidity in July: 74%
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are April, August and November (72%).
Average rainfall in July
Darien, CT
- Average rainfall in July: 4.17"
The wettest months (with the highest rainfall) are July and December (4.17").
The driest month (with the least rainfall) is January (2.48").
Average rainfall days in July
Darien, CT
- Average rainfall days in July: 17 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in July
Darien, CT
- Average snowfall in July: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in July
Darien, CT
- 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
Darien, CT
- Average daylight in July: 14h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in July: 10h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in July
Darien, CT
- Average sunshine days in July: 11.9 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in July
Darien, CT
- 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
Darien, CT
- Average cloud cover in July: 32
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in July
Darien, CT
- Average visibility in July: 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).
Darien, Connecticut, USA
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