August weather forecast
Hatfield, PA

Share

Weather in August

The last month of the summer, August, is another warm month in Hatfield, Pennsylvania, with an average temperature ranging between max 82.8°F (28.2°C) and min 65.3°F (18.5°C).

Temperature

Transitioning from July to August, Hatfield observes an average high-temperature of a still moderately hot 82.8°F (28.2°C), differing subtly from the previous month. Throughout the month of August, Hatfield witnesses an average temperature of 65.3°F (18.5°C).

Heat index

In August, the heat index is estimated at a tropical 87.8°F (31°C). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. 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 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

April, July and August, with an average relative humidity of 73%, are the least humid months in Hatfield.

Rainfall

In Hatfield, in August, during 12.4 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 116.6 rainfall days, and 10.63" (270mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall.

Daylight

In Hatfield, the average length of the day in August is 13h and 43min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:15 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:34 pm EDT.

Sunshine

In August, the average sunshine in Hatfield, Pennsylvania, is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 6 during August, leads to the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

How hot does it get in August?

Hatfield in August has an average high-temperature of 82.8°F (28.2°C) and an average low-temperature of 65.3°F (18.5°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is estimated at 87.8°F (31°C).

What are the least humid months?

April, July and August, with an average relative humidity of 73%, are the least humid months.

What is the average humidity in August?

In August, the average relative humidity is 73%.

How much does it rain in August?

In Hatfield, during August, the rain falls for 12.4 days and regularly aggregates up to 1.26" (32mm) of precipitation.

When it does not snow?

In Hatfield, snow does not fall in June through October.

How many hours of daylight does Hatfield have in August?

The average day length in August is 13h and 43min.

When is the sunrise / sunset in August?

In August, on the first day of the month, sunrise is at 5:59 am and sunset at 8:15 pm. On the last day of the month, in Hatfield, sunrise is at 6:28 am and sunset at 7:34 pm EDT.

How many hours of sunshine does Hatfield have in August?

In August, the average sunshine duration in Hatfield is 10.1h.

What are the months with the highest UV index?

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

What is the UV index reading in August?

The average daily maximum UV index in August is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
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 August
Hatfield, PA

Average temperature in August - Hatfield, PA
  • Average high temperature in August: 82.8°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in August: 65.3°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in August
Hatfield, PA

Average pressure in August - Hatfield, PA
  • Average pressure in August: 29.99"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in August
Hatfield, PA

Average wind speed in August - Hatfield, PA
  • Average wind speed in August: 5.2mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in August
Hatfield, PA

Average humidity in August - Hatfield, PA
  • Average humidity in August: 73%

The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April, July and August (73%).

Average rainfall in August
Hatfield, PA

Average rainfall in August - Hatfield, PA
  • Average rainfall in August: 1.26"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.59").

Average rainfall days in August
Hatfield, PA

Average rainfall days in August - Hatfield, PA
  • Average rainfall days in August: 12.4 days

The month with the highest number of rainy days is July (13.8 days).
The months with the least rainy days are January and February (6.3 days).

Average snowfall in August
Hatfield, PA

Average snowfall in August - Hatfield, PA
  • Average snowfall in August: 0"

The month with the highest snowfall is March (1.02").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in August
Hatfield, PA

Average snowfall days in August - Hatfield, PA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in August /
Average sunshine in August
Hatfield, PA

Average daylight in August / Average sunshine in August - Hatfield, PA
  • Average daylight in August: 13h and 4min

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 August: 10h and 1min

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

Average sunshine days in August
Hatfield, PA

Average sunshine days in August - Hatfield, PA
  • Average sunshine days in August: 15.5 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in August
Hatfield, PA

Average UV index in August - Hatfield, PA
  • Average UV index in August: 6

The months with the highest UV index are May, 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 August
Hatfield, PA

Average cloud cover in August - Hatfield, PA
  • Average cloud cover in August: 33

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in August
Hatfield, PA

Average visibility in August - Hatfield, PA
  • Average visibility in August: 6mi

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

Hatfield, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location