Mount Gretna, PA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Mount Gretna now
Loading the National Weather Service forecast…
Mount Gretna weather by the hour
Mount Gretna weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Mount Gretna.
This week in Mount Gretna
Sunrise, sunset and moon in Mount Gretna
What is the weather usually like in Mount Gretna?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 84°F average high
- Januarycoldest month · 22°F average low
- 46.4 inprecipitation per year · 1,178 mm
- 24.0 insnowfall per year · 61 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Mount Gretna: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station LEBANON 2 W, PA US (USC00364896), adjusted for the elevation of Mount Gretna.
Mount Gretna weather month by month
Sunrise and sunset in Mount Gretna through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:24 AM | 5:05 PM | 9 h 41 min |
| February | 6:57 AM | 5:42 PM | 10 h 45 min |
| March | 7:15 AM | 7:13 PM | 11 h 58 min |
| April | 6:25 AM | 7:45 PM | 13 h 20 min |
| May | 5:48 AM | 8:16 PM | 14 h 28 min |
| June | 5:34 AM | 8:38 PM | 15 h 4 min |
| July | 5:47 AM | 8:36 PM | 14 h 48 min |
| August | 6:15 AM | 8:04 PM | 13 h 48 min |
| September | 6:45 AM | 7:16 PM | 12 h 30 min |
| October | 7:15 AM | 6:27 PM | 11 h 12 min |
| November | 6:50 AM | 4:50 PM | 10 h 0 min |
| December | 7:19 AM | 4:42 PM | 9 h 22 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Mount Gretna?
Mount Gretna has a hot-summer humid continental climate. The warmest month is July, with an average high of 84°F (29°C), and the coldest is January, with average lows of 22°F (-6°C).
It gets about 46.4 inches (1,178 mm) of precipitation a year. The wettest month is July and the driest is February. Snow is common: about 24 inches fall in an average year.
The best time to visit Mount Gretna is May–June and August–September. 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 Mount Gretna
Weather in towns near Mount Gretna
Questions about the weather in Mount Gretna
What is the hottest month in Mount Gretna?
July, with an average high of 84°F (29°C).
What is the coldest month in Mount Gretna?
January, with an average low of 22°F (-6°C).
How much does it rain in Mount Gretna?
About 46.4 inches (1,178 mm) a year; the wettest month is July.
Does it snow in Mount Gretna?
Yes, about 24 inches of snow fall in an average year.
When is the best time to visit Mount Gretna?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Mount Gretna have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Mount Gretna in November?
Highs average 52°F and lows 34°F, with about 3.2 inches of precipitation.
What time is sunrise in Mount Gretna?
Around 6:50 AM in mid-November, and sunset around 4:50 PM. Today’s exact times are shown above.
Where does this Mount Gretna weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Mount Gretna.
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