August weather forecast
Fullerton, PA

Share

Weather in August

August, the last month of the summer in Fullerton, is another warm month, with an average temperature varying between 81°F (27.2°C) and 61.7°F (16.5°C).

Temperature

Fullerton signifies an average high-temperature of a still warm 81°F (27.2°C) in August, closely mirroring the 83.8°F (28.8°C) of July. Fullerton experiences an average low-temperature of 61.7°F (16.5°C) in month of August.

Heat index

August's heat index is computed to be a tropical 86°F (30°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is achieved by amalgamating air temperature with the relative humidity readings. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in August is 77%.

Rainfall

In Fullerton, during August, the rain falls for 14.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, there are 145.1 rainfall days, and 27.24" (692mm) of precipitation is accumulated.

Snowfall

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

Daylight

In August, the average length of the day is 13h and 44min.
On the first day of the month, sunrise is at 5:59 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:28 am and sunset at 7:35 pm EDT.

Sunshine

In Fullerton, the average sunshine in August is 9.9h.

UV index

The average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 5 in August translates into this advice:
Act with care - The suggestion to avoid sunburn is emphasized. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

August temperatures vary between a high-temperature of 81°F (27.2°C) and a low-temperature of 61.7°F (16.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in August?

In Fullerton, the average relative humidity in August is 77%.

How much does it rain in August?

In August, the rain falls for 14.8 days. Throughout August, 2.68" (68mm) of precipitation is accumulated.

When it does not snow?

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

How many hours of daylight does Fullerton have in August?

The average day length in August is 13h and 44min.

What time are sunrise and sunset in August?

On the first day of August, sunrise is at 5:59 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:35 pm EDT.

How long on average sun shines in August?

In August, the average sunshine duration is 9.9h.

What is the UV index reading in August?

In Fullerton, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Fullerton, PA

Average temperature in August - Fullerton, PA
  • Average high temperature in August: 81°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in August: 61.7°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in August
Fullerton, PA

Average pressure in August - Fullerton, 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
Fullerton, PA

Average wind speed in August - Fullerton, PA
  • Average wind speed in August: 5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in August
Fullerton, PA

Average humidity in August - Fullerton, PA
  • Average humidity in August: 77%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in August
Fullerton, PA

Average rainfall in August - Fullerton, PA
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in August
Fullerton, PA

Average rainfall days in August - Fullerton, PA
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in August
Fullerton, PA

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

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Fullerton, PA

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

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Fullerton, 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 18min).

  • Average sunshine in August: 9h and 5min

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 24min).

Average sunshine days in August
Fullerton, PA

Average sunshine days in August - Fullerton, PA
  • Average sunshine days in August: 14 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in August
Fullerton, PA

Average UV index in August - Fullerton, PA
  • Average UV index in August: 5

The months with the highest UV index are June and July (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
Fullerton, PA

Average cloud cover in August - Fullerton, PA
  • Average cloud cover in August: 35

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in August
Fullerton, PA

Average visibility in August - Fullerton, PA
  • Average visibility in August: 5mi

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

Fullerton, Pennsylvania, USA

Weather forecast for your location

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