August weather forecastMerrian, PA
August
Weather in August
August, the last month of the summer in Merrian, is another warm month, with an average temperature varying between 79.3°F (26.3°C) and 59.5°F (15.3°C).Temperature
The start of August sees the average high-temperature at a still warm 79.3°F (26.3°C), showing little difference from July's 81.5°F (27.5°C). Throughout August, an average nighttime temperature of 59.5°F (15.3°C) is experienced.Humidity
In August, the average relative humidity in Merrian is 80%.Rainfall
In August, the rain falls for 12.9 days. Throughout August, 1.61" (41mm) of precipitation is accumulated. In Merrian, Pennsylvania, during the entire year, the rain falls for 129.2 days and collects up to 16.42" (417mm) of precipitation.Snowfall
In Merrian, Pennsylvania, snow does not fall in June through September.Daylight
In Merrian, the average length of the day in August is 13h and 45min.On the first day of August in Merrian, sunrise is at 6:02 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 7:39 pm EDT.
Sunshine
In Merrian, the average sunshine in August is 9.9h.UV index
The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 5 during August leads to these advisories:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Merrian, PA
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in August: 59.5°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
Merrian, 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
Merrian, PA
- Average wind speed in August: 4.7mph
The windiest months (with the highest average wind speed) are March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in August
Merrian, PA
- Average humidity in August: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in August
Merrian, PA
- Average rainfall in August: 1.61"
The wettest months (with the highest rainfall) are May and July (1.97").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in August
Merrian, PA
- Average rainfall days in August: 12.9 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in August
Merrian, PA
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Merrian, PA
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Merrian, PA
- Average daylight in August: 13h and 42min
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: 9h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in August
Merrian, PA
- Average sunshine days in August: 14.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in August
Merrian, PA
- Average UV index in August: 5
The month with the highest UV index is June (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
Merrian, PA
- Average cloud cover in August: 35
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in August
Merrian, 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).
