Rocklyn, PA
Unincorporated community in Chester County, Pennsylvania
Rocklyn is a small unincorporated community in Chester County, Pennsylvania. It is 3.3 miles W of Honey Brook, the nearest town. Its ZIP code is 19344.
Rocklyn at a glance
- State
- Pennsylvania
- County
- Chester County
- ZIP code
- 19344
- Nearest town
- Honey Brook (3.3 mi)
- Time zone
- America/New York
- Coordinates
- 40.0775, -75.8528
Weather in Rocklyn now
Loading the National Weather Service forecast…
Rocklyn weather by the hour
Rocklyn weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Rocklyn.
This week in Rocklyn
Sunrise, sunset and moon in Rocklyn
What is the weather usually like in Rocklyn?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 23°F average low
- 50.8 inprecipitation per year · 1,291 mm
- 28.4 insnowfall per year · 72 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Rocklyn: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station GLENMOORE, PA US (USC00363321), adjusted for the elevation of Rocklyn.
Rocklyn weather month by month
Sunrise and sunset in Rocklyn through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:21 AM | 5:03 PM | 9 h 42 min |
| February | 6:54 AM | 5:40 PM | 10 h 45 min |
| March | 7:13 AM | 7:11 PM | 11 h 58 min |
| April | 6:23 AM | 7:43 PM | 13 h 19 min |
| May | 5:46 AM | 8:13 PM | 14 h 27 min |
| June | 5:32 AM | 8:35 PM | 15 h 3 min |
| July | 5:45 AM | 8:33 PM | 14 h 47 min |
| August | 6:13 AM | 8:01 PM | 13 h 48 min |
| September | 6:43 AM | 7:13 PM | 12 h 30 min |
| October | 7:12 AM | 6:25 PM | 11 h 12 min |
| November | 6:47 AM | 4:48 PM | 10 h 0 min |
| December | 7:16 AM | 4:40 PM | 9 h 23 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Rocklyn?
Rocklyn has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (29°C), and the coldest is January, with average lows of 23°F (-5°C).
It gets about 50.8 inches (1,291 mm) of precipitation a year. The wettest month is September and the driest is February. Snow is common: about 28 inches fall in an average year.
The best time to visit Rocklyn 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.
Webcams near Rocklyn
The closest live webcam is Coatesville, 5.3 miles S of Rocklyn.
Webcams: Windy.com. Distances in a straight line from Rocklyn.
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Map of Rocklyn, PA
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Rocklyn Street View
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Other communities near Rocklyn
Questions about Rocklyn
Where is Rocklyn, PA?
Rocklyn is an unincorporated community in Chester County, Pennsylvania, 3.3 miles W of Honey Brook.
What county is Rocklyn in?
Rocklyn is in Chester County, Pennsylvania.
What is the ZIP code of Rocklyn, PA?
The ZIP code for Rocklyn is 19344.
What is the nearest town to Rocklyn?
Honey Brook, 3.3 miles away.
Are there webcams near Rocklyn?
Yes. The closest is Coatesville, 5.3 miles away.
What is the hottest month in Rocklyn?
July, with an average high of 85°F (29°C).
What is the coldest month in Rocklyn?
January, with an average low of 23°F (-5°C).
How much does it rain in Rocklyn?
About 50.8 inches (1,291 mm) a year; the wettest month is September.
Does it snow in Rocklyn?
Yes, about 28 inches of snow fall in an average year.
When is the best time to visit Rocklyn?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Rocklyn have?
Hot-summer humid continental (Köppen Dfa).
Last updated: