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
Northumberland's shift into August is marked by a subtle change to a still moderately hot 80.2°F (26.8°C) from July's 82.2°F (27.9°C) in temperature. An average temperature of 59.4°F (15.2°C) is recorded during the nights in August.Humidity
In August, the average relative humidity is 79%.Rainfall
In August, the rain falls for 12.3 days. Throughout August, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 133.4 rainfall days, and 13.15" (334mm) of precipitation is accumulated.Snowfall
In Northumberland, snow does not fall in June through October.Daylight
The average length of the day in August is 13h and 46min.On the first day of the month, sunrise is at 6:04 am and sunset at 8:22 pm. On the last day of August, sunrise is at 6:33 am and sunset at 7:40 pm EDT.
Sunshine
The average sunshine in August is 10.1h.UV index
In Northumberland, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during August leads to these advisories:
Act with care - Obligation to protect against skin and eye damage is highlighted. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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 in Northumberland?
How many hours of daylight does Northumberland have in August?
When are sunrise and sunset in August?
How long on average sun shines in August?
What is the UV index intensity in August?
Average temperature in August
Northumberland, PA
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in August
Northumberland, PA
- Average pressure in August: 30"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in August
Northumberland, PA
- Average wind speed in August: 4.6mph
The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in August
Northumberland, PA
- Average humidity in August: 79%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in August
Northumberland, PA
- Average rainfall in August: 1.14"
The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in August
Northumberland, PA
- Average rainfall days in August: 12.3 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in August
Northumberland, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in August
Northumberland, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Northumberland, PA
- Average daylight in August: 13h and 5min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in August: 10h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days in August
Northumberland, PA
- Average sunshine days in August: 15.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in August
Northumberland, PA
- Average UV index in August: 5
The month with the highest UV index is 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
Northumberland, PA
- Average cloud cover in August: 33
The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in August
Northumberland, PA
- Average visibility in August: 5mi
The months with the highest visibility are March, April, November and December (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and October (5mi).
Northumberland, Pennsylvania, USA
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