Upper Merion, PA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Upper Merion now
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Upper Merion weather by the hour
Upper Merion weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Upper Merion.
This week in Upper Merion
Sunrise, sunset and moon in Upper Merion
What is the weather usually like in Upper Merion?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 88°F average high
- Januarycoldest month · 22°F average low
- 50.7 inprecipitation per year · 1,287 mm
- 25.3 insnowfall per year · 64 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Upper Merion: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station NORRISTOWN, PA US (USC00366370), adjusted for the elevation of Upper Merion.
Upper Merion weather month by month
Sunrise and sunset in Upper Merion through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:20 AM | 5:01 PM | 9 h 41 min |
| February | 6:52 AM | 5:38 PM | 10 h 45 min |
| March | 7:11 AM | 7:09 PM | 11 h 58 min |
| April | 6:21 AM | 7:41 PM | 13 h 19 min |
| May | 5:44 AM | 8:11 PM | 14 h 27 min |
| June | 5:30 AM | 8:33 PM | 15 h 3 min |
| July | 5:43 AM | 8:31 PM | 14 h 47 min |
| August | 6:11 AM | 8:00 PM | 13 h 48 min |
| September | 6:41 AM | 7:11 PM | 12 h 30 min |
| October | 7:10 AM | 6:23 PM | 11 h 12 min |
| November | 6:45 AM | 4:46 PM | 10 h 0 min |
| December | 7:15 AM | 4:38 PM | 9 h 23 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Upper Merion?
Upper Merion has a hot-summer humid continental climate. The warmest month is July, with an average high of 88°F (31°C), and the coldest is January, with average lows of 22°F (-5°C).
It gets about 50.7 inches (1,287 mm) of precipitation a year. The wettest month is August and the driest is February. Snow is common: about 25 inches fall in an average year.
The best time to visit Upper Merion is May–June and August–September. At 171 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Upper Merion
Weather in towns near Upper Merion
Questions about the weather in Upper Merion
What is the hottest month in Upper Merion?
July, with an average high of 88°F (31°C).
What is the coldest month in Upper Merion?
January, with an average low of 22°F (-5°C).
How much does it rain in Upper Merion?
About 50.7 inches (1,287 mm) a year; the wettest month is August.
Does it snow in Upper Merion?
Yes, about 25 inches of snow fall in an average year.
When is the best time to visit Upper Merion?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Upper Merion have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Upper Merion in November?
Highs average 56°F and lows 35°F, with about 3.6 inches of precipitation.
What time is sunrise in Upper Merion?
Around 6:45 AM in mid-November, and sunset around 4:46 PM. Today’s exact times are shown above.
Where does this Upper Merion weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Upper Merion.
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