July weather forecast
Seymour, CT

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Weather in July

July, the same as June, is a moderately hot summer month in Seymour, Connecticut, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 65.3°F (18.5°C).

Temperature

In Seymour, July is the month with the highest recorded average temperatures, measuring a high of 82°F (27.8°C) and a low of 65.3°F (18.5°C).

Heat index

For July, the heat index is estimated at a tropical 87.8°F (31°C). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. A direct sunlight exposure may boost the heat index 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. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in July is 75%.

Rainfall

The month with the most rainfall is July, when the rain falls for 14.3 days and typically aggregates up to 1.22" (31mm) of precipitation.

Snowfall

In Seymour, snow does not fall in April through October.

Daylight

The average length of the day in July is 14h and 49min.
On the first day of July, sunrise is at 5:22 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:10 pm EDT.

Sunshine

July and August, with an average of 10.4h of sunshine, are months with the most sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What is the hottest time of year in Seymour?

Seymour's July weather, with an average high temperature of 82°F (27.8°C) and an average low temperature of 65.3°F (18.5°C), tends to be the warmest of the year.

What is the average July temperature?

The average high-temperature and low-temperature during July are 82°F (27.8°C) and 65.3°F (18.5°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is estimated at 87.8°F (31°C).

What is the average humidity in July?

In Seymour, the average relative humidity in July is 75%.

What is the rainiest month?

July is the month with the most rainfall. Rain falls for 14.3 days and accumulates 1.22" (31mm) of precipitation.

How many days does it rain in July?

In Seymour, in July, during 14.3 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

When it does not snow?

April through October are months without snowfall.

What is the average length of the day in July?

The average day length in July is 14h and 49min.

What time are sunrise and sunset in July?

On the first day of July in Seymour, sunrise is at 5:22 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:10 pm EDT.

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 10.4h of sunshine.

How long on average sun shines in July?

In July, the average sunshine duration is 10.4h.

When is the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index reading in July?

In July, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Seymour, CT

Average temperature in July - Seymour, CT
  • Average high temperature in July: 82°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in July: 65.3°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

Average pressure in July
Seymour, CT

Average pressure in July - Seymour, CT
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in July
Seymour, CT

Average wind speed in July - Seymour, CT
  • Average wind speed in July: 5.7mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in July
Seymour, CT

Average humidity in July - Seymour, CT
  • Average humidity in July: 75%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).

Average rainfall in July
Seymour, CT

Average rainfall in July - Seymour, CT
  • Average rainfall in July: 1.22"

The wettest month (with the highest rainfall) is July (1.22").
The driest months (with the least rainfall) are January and February (0.47").

Average rainfall days in July
Seymour, CT

Average rainfall days in July - Seymour, CT
  • Average rainfall days in July: 14.3 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in July
Seymour, CT

Average snowfall in July - Seymour, CT
  • Average snowfall in July: 0"

The month with the highest snowfall is December (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in July
Seymour, CT

Average snowfall days in July - Seymour, CT
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in July /
Average sunshine in July
Seymour, CT

Average daylight in July / Average sunshine in July - Seymour, 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 12min).

  • Average sunshine in July: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in July
Seymour, CT

Average sunshine days in July - Seymour, CT
  • Average sunshine days in July: 13.9 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in July
Seymour, CT

Average UV index in July - Seymour, 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
Seymour, CT

Average cloud cover in July - Seymour, CT
  • Average cloud cover in July: 33

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in July
Seymour, CT

Average visibility in July - Seymour, CT
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Seymour, Connecticut, USA

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