July weather forecastDunbar, PA

July

Weather in July

July, like June, in Dunbar, Pennsylvania, is another warm summer month, with an average temperature varying between 82°F (27.8°C) and 59.9°F (15.5°C).

Temperature

July is the warmest month of the year, registering average temperatures as high as 82°F (27.8°C) and as low as 59.9°F (15.5°C).

Heat index

For most parts of July, the heat index is appraised at a tropical 87.8°F (31°C). A sense of exhaustion might occur with extended exposure and activity, potentially causing heat cramps.
Observations indicate that the heat index values are for shady locations with light wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', determines the feeling of heat when you account for the relative humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

July and August, with an average relative humidity of 77%, are the least humid months.

Rainfall

In Dunbar, during July, the rain falls for 14.8 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Dunbar, during the entire year, the rain falls for 150.7 days and collects up to 16.65" (423mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Dunbar, the average length of the day in July is 14h and 41min.
On the first day of July, sunrise is at 5:53 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:32 pm EDT.

Sunshine

The average sunshine in July in Dunbar is 9.8h.

UV index

July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: During July, 6 as the daily maximum UV index converts into the following advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The highest temperatures are recorded in July, with averages reaching a high of 82°F (27.8°C) and a low of 59.9°F (15.5°C).

The average high-temperature, in July, in Dunbar, is 82°F (27.8°C), while the average low-temperature is 59.9°F (15.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in July is appraised at 87.8°F (31°C).

The months with the lowest humidity are July and August, with an average relative humidity of 77%.

The average relative humidity in July is 77%.

In Dunbar, in July, during 14.8 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

In Dunbar, snow does not fall in June through September.

The average day length in July is 14h and 41min.

In July, on the first day of the month, sunrise is at 5:53 am and sunset at 8:51 pm. On the last day of the month, in Dunbar, sunrise is at 6:16 am and sunset at 8:32 pm EDT.

In Dunbar, the average sunshine duration in July is 9.8h.

July and August, with an average maximum UV index of 6, are months with the highest UV index.

The average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J July A S O N D

Jun

July

Aug

Average high temperature

77.5°F

82°F

80.4°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.3mph

5.5mph

5.3mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

15.8

14.8

13.3

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.7

13.8

14.9

Average UV index

Average cloud cover

Average visibility

Average temperature in July
Dunbar, PA

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 (34°F).

Average low temperature in July: 59.9°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

Average pressure in July
Dunbar, PA

Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in July
Dunbar, PA

Average wind speed in July: 5mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in July
Dunbar, PA

Average humidity in July: 77%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (77%).

Average rainfall in July
Dunbar, PA

Average rainfall in July: 1.5"

The wettest month (with the highest rainfall) is May (1.97").
The driest months (with the least rainfall) are September and November (0.91").

Average rainfall days in July
Dunbar, PA

Average rainfall days in July: 14.8 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in July
Dunbar, PA

Average snowfall in July: 0"

The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Dunbar, PA

Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Dunbar, PA

Average daylight in July: 14h and 42min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

Average sunshine in July: 9h and 48min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in July
Dunbar, PA

Average sunshine days in July: 13.8 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is January (8.6 days).

Average UV index in July
Dunbar, PA

Average UV index in July: 6

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).