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
The unfolding of August shows an average high-temperature of a still warm 75.2°F (24°C), indicating a slight variance from July's 77.5°F (25.3°C). The average low-temperature, in August, is a fresh 54.1°F (12.3°C).Humidity
In August, the average relative humidity in Portlandville is 81%.Rainfall
August is the month with the most rainfall in Portlandville, New York. Rain falls for 16.8 days and accumulates 3.15" (80mm) of precipitation.Snowfall
In Portlandville, snow does not fall in June through September.Daylight
The average length of the day in August is 13h and 52min.On the first day of August in Portlandville, sunrise is at 5:52 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:35 pm EDT.
Sunshine
In Portlandville, the average sunshine in August is 9.4h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 5 in August translates into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average August temperature in Portlandville?
What is the average humidity in August in Portlandville?
What is the wettest month in Portlandville?
How many days does it rain in August in Portlandville?
When it does not snow in Portlandville?
How many hours of daylight does Portlandville have in August?
What time are sunrise and sunset in August in Portlandville?
How many hours of sunshine does Portlandville have in August?
When is the highest UV index in Portlandville?
How high is the UV index in August in Portlandville?
Average temperature in August
Portlandville, NY
- Average high temperature in August: 75.2°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 54.1°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in August
Portlandville, 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
Portlandville, NY
- Average wind speed in August: 5.8mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in August
Portlandville, NY
- Average humidity in August: 81%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in August
Portlandville, NY
- Average rainfall in August: 3.15"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in August
Portlandville, NY
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in August
Portlandville, NY
- Average snowfall in August: 0"
The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Portlandville, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Portlandville, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in August
Portlandville, NY
- Average sunshine days in August: 11.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in August
Portlandville, 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, February, March, November and December (UV index 1).
Average cloud cover in August
Portlandville, NY
- Average cloud cover in August: 41
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in August
Portlandville, NY
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Portlandville, New York, USA
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