Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
With the onset of August, the average high-temperature registers at a still warm 76.6°F (24.8°C), subtly different from July's 78.4°F (25.8°C). Portageville's temperature tends to fall to an average low of 56.5°F (13.6°C) during the nights of August.Humidity
In Portageville, the average relative humidity in August is 79%.Rainfall
In August, the rain falls for 17.1 days. Throughout August, 2.09" (53mm) of precipitation is accumulated. In Portageville, during the entire year, the rain falls for 165.3 days and collects up to 24.09" (612mm) of precipitation.Snowfall
In Portageville, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 52min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:31 pm. On the last day of August, sunrise is at 6:36 am and sunset at 7:47 pm EDT.
Sunshine
The average sunshine in August is 9.9h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In August, the UV index of 5 transforms into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Portageville have in August?
What time are sunrise and sunset in August?
How many hours of sunshine does Portageville have in August?
What are the months with the highest UV index in Portageville?
What is the UV index reading in August?
Average temperature in August
Portageville, NY
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in August: 56.5°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in August
Portageville, NY
- Average pressure in August: 29.98"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 August
Portageville, NY
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in August
Portageville, NY
- Average humidity in August: 79%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (77%).
Average rainfall in August
Portageville, NY
- Average rainfall in August: 2.09"
The wettest month (with the highest rainfall) is October (2.64").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in August
Portageville, NY
- Average rainfall days in August: 17.1 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7 days).
Average snowfall in August
Portageville, NY
- Average snowfall in August: 0"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Portageville, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Portageville, NY
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in August
Portageville, NY
- Average sunshine days in August: 11.4 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in August
Portageville, NY
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Portageville, NY
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in August
Portageville, NY
- Average visibility in August: 5mi
The months with the highest visibility are April, May and June (6mi).
The month with the lowest visibility is January (4mi).
Portageville, New York, USA
Weather forecast for your location
2. Allow the app to use your location