Lower Merion, PA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Lower Merion now
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Lower Merion weather by the hour
Lower Merion weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Lower Merion.
This week in Lower Merion
Sunrise, sunset and moon in Lower Merion
What is the weather usually like in Lower 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 Lower 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 Lower Merion.
Lower Merion weather month by month
Sunrise and sunset in Lower Merion through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:19 AM | 5:01 PM | 9 h 42 min |
| February | 6:52 AM | 5:38 PM | 10 h 46 min |
| March | 7:10 AM | 7:09 PM | 11 h 58 min |
| April | 6:21 AM | 7:40 PM | 13 h 19 min |
| May | 5:43 AM | 8:11 PM | 14 h 27 min |
| June | 5:30 AM | 8:33 PM | 15 h 3 min |
| July | 5:43 AM | 8:30 PM | 14 h 47 min |
| August | 6:11 AM | 7:59 PM | 13 h 47 min |
| September | 6:40 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 1 min |
| December | 7:14 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 Lower Merion?
Lower 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 (-6°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 Lower Merion is May–June and August–September. At 200 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 Lower Merion
Weather in towns near Lower Merion
Questions about the weather in Lower Merion
What is the hottest month in Lower Merion?
July, with an average high of 88°F (31°C).
What is the coldest month in Lower Merion?
January, with an average low of 22°F (-6°C).
How much does it rain in Lower Merion?
About 50.7 inches (1,287 mm) a year; the wettest month is August.
Does it snow in Lower Merion?
Yes, about 25 inches of snow fall in an average year.
When is the best time to visit Lower Merion?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Lower Merion have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Lower Merion in November?
Highs average 56°F and lows 35°F, with about 3.6 inches of precipitation.
What time is sunrise in Lower Merion?
Around 6:45 AM in mid-November, and sunset around 4:46 PM. Today’s exact times are shown above.
Where does this Lower Merion weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Lower Merion.
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