The most pleasant months of the year for the 16137 zip code are June, August and September. In the 16137 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 16137 zip code with an average high temperature of 82.2°, which ranks it as cooler than most places in Pennsylvania. January is the snowiest month in the 16137 zip code with 12.6 inches of snow, and 6 months of the year have significant snowfall. But there some days when the humidity becomes unpleasant, especially in July and August.
Today's Weather - Mercer, PA
6 PM PST
Mostly Cloudy
19°F
| 7 DAY FORECAST | DESCRIPTION | HIGH/LOW | WIND |
|---|
| Tonight | Mostly Cloudy | 14° / 27° | NW 7 mph |
| Wednesday Night | Partly Cloudy | 17° / 36° | SW 7 mph |
| Thursday Night | Chance Snow Showers | 13° / 16° | W 12 to 16 mph |
| Friday Night | Slight Chance Snow Showers then Mostly Cloudy | 4° / 27° | W 7 to 16 mph |
| Saturday Night | Cloudy | 23° / 42° | S 16 mph |
| Sunday Night | Slight Chance Rain Showers then Mostly Cloudy | 28° / 42° | SW 10 to 15 mph |
| Monday Night | Mostly Cloudy | 32° / 47° | S 9 to 14 mph |
Weather Highlights
Summer High: the July high is around 82 degrees
Winter Low: the January low is 17
Rain: averages 42 inches of rain a year
Snow: averages 45 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the Mercer (zip 16137) area is 9 (10=best), which means it is more comfortable than most places in Pennsylvania.
9 / 10
A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.
Average Monthly High and Low (°F)
| High | Low |
| January | 34° | 17° |
| February | 38° | 18° |
| March | 47° | 25° |
| April | 60° | 35° |
| May | 70° | 45° |
| June | 78° | 54° |
| July | 82° | 58° |
| August | 81° | 56° |
| September | 74° | 49° |
| October | 63° | 38° |
| November | 51° | 31° |
| December | 38° | 22° |
Hot, Freezing, Rainy, Snowy Days: Mercer
| Hot
Days | Freezing
Days | Rainy
Days | Snowy
Days |
| January | 0 | 28 | 15 | 10 |
| February | 0 | 25 | 13 | 7 |
| March | 0 | 23 | 13 | 5 |
| April | 0 | 13 | 14 | 1 |
| May | 0 | 3 | 14 | 0 |
| June | 1 | 0 | 13 | 0 |
| July | 3 | 0 | 12 | 0 |
| August | 2 | 0 | 10 | 0 |
| September | 0 | 1 | 11 | 0 |
| October | 0 | 8 | 13 | 0 |
| November | 0 | 18 | 14 | 2 |
| December | 0 | 26 | 15 | 7 |
YOU SHOULD KNOW
Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.
Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.
Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.