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
August's arrival brings an average high-temperature of a still warm 76.3°F (24.6°C), demonstrating subtle variation from the preceding month. Compared to daytime temperatures, Portville's temperature drops significantly, averaging a cool 54.5°F (12.5°C) during the nights of August.Humidity
In Portville, the average relative humidity in August is 80%.Rainfall
In Portville, during August, the rain falls for 18.5 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Portville, during the entire year, the rain falls for 168.9 days and collects up to 30" (762mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Portville, the average length of the day in August is 13h and 50min.On the first day of the month, sunrise is at 6:07 am and sunset at 8:31 pm. On the last day of August, sunrise is at 6:38 am and sunset at 7:48 pm EDT.
Sunshine
The average sunshine in August is 9.3h.UV index
The months with the highest UV index in Portville are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during August leads to these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the usual temperature for Portville in August?
What is the average humidity in August in Portville?
How much does it rain in Portville in August?
When it does not snow in Portville?
What is the average length of the day in August in Portville?
When are sunrise and sunset in August in Portville?
How long on average sun shines in August in Portville?
What is the month with the highest UV index in Portville?
How high is the UV index in August in Portville?
Average temperature in August
Portville, NY
- Average high temperature in August: 76.3°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 (27.9°F).
- Average low temperature in August: 54.5°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 (15.8°F).
Average pressure in August
Portville, NY
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Portville, NY
- Average wind speed in August: 5.8mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in August
Portville, NY
- Average humidity in August: 80%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in August
Portville, NY
- Average rainfall in August: 2.32"
The wettest month (with the highest rainfall) is April (3.35").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in August
Portville, NY
- Average rainfall days in August: 18.5 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in August
Portville, NY
- Average snowfall in August: 0"
The month with the highest snowfall is February (10.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Portville, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Portville, NY
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in August: 9h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in August
Portville, NY
- Average sunshine days in August: 9.5 days
The month with the most sunshine days is September (12.4 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in August
Portville, 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 and December (UV index 1).
Average cloud cover in August
Portville, NY
- Average cloud cover in August: 43
The month with the most cloud cover is January (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 43).
Average visibility in August
Portville, NY
- Average visibility in August: 4mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
Portville, New York, USA
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