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Harleysville, United States Snapshot 2026
Where is Harleysville?
Harleysville, United States
- Continent
- Americas
- Country
- United States
- City
- Harleysville
- Population
- 9.3K
- Elevation
- 79 m
- Coordinates
- 40.28°, -75.39°
Harleysville is a city in United States with a population of approximately 9.3K. Average temperatures range from -2°C (28°F) in January to 30°C (86°F) in July. The best time to visit is May, June, August, September, October.
Time in Harleysville right now
Open full time & time zone page 15:44 44
Monday, June 15, 2026
IANA time zone
America/New_York
Daylight saving
DST in effect
EST / EDT
Next DST change
November 1
backward -1h
Live weather in Harleysville
Daylight in Harleysville today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 02m
Climate normals for Harleysville
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May best
Excellent June best
Excellent July
Fair August best
Good September best
Excellent October best
Good November
Fair December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 4°C / -2°C | 0°C / -7°C | 10days (85 mm) Wet | 5.8h Fair | 66% Muggy | 2.3 Moderate | Poor | View Details |
| February | 7°C / -1°C | 4°C / -6°C | 10days (90 mm) Wet | 6.6h Fair | 68% Muggy | 3.2 Moderate | Poor | View Details |
| March | 11°C / 2°C | 8°C / -2°C | 11days (95 mm) Wet | 8.1h Good | 65% Muggy | 4.4 Moderate | Poor | View Details |
| April | 17°C / 7°C | 15°C / 4°C | 11days (104 mm) Wet | 8.8h Good | 66% Muggy | 5.1 High | Fair | View Details |
| May best | 22°C / 12°C | 22°C / 11°C | 13days (123 mm) Wet | 9.2h Good | 73% Muggy | 5.7 High | Excellent | View Details |
| June best | 27°C / 17°C | 29°C / 18°C | 12days (99 mm) Wet | 11.2h Excellent | 70% Muggy | 6.7 High | Excellent | View Details |
| July | 30°C / 21°C | 34°C / 23°C | 14days (139 mm) Wet | 11.5h Excellent | 73% Muggy | 7 High | Fair | View Details |
| August best | 29°C / 20°C | 31°C / 22°C | 12days (123 mm) Wet | 10.2h Excellent | 75% Muggy | 6.2 High | Good | View Details |
| September best | 25°C / 17°C | 26°C / 17°C | 10days (100 mm) Wet | 8.5h Good | 74% Muggy | 4.9 Moderate | Excellent | View Details |
| October best | 19°C / 11°C | 18°C / 9°C | 9days (84 mm) Wet | 7.3h Good | 73% Muggy | 4 Moderate | Good | View Details |
| November | 12°C / 4°C | 9°C / 0°C | 8days (79 mm) Wet | 7h Good | 69% Muggy | 2.7 Moderate | Fair | View Details |
| December | 6°C / 0°C | 3°C / -5°C | 11days (101 mm) Wet | 5.6h Fair | 71% Muggy | 2 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 4°C / -2°C . Feb: 7°C / -1°C . Mar: 11°C / 2°C . Apr: 17°C / 7°C . May: 22°C / 12°C . Jun: 27°C / 17°C . Jul: 30°C / 21°C . Aug: 29°C / 20°C . Sep: 25°C / 17°C . Oct: 19°C / 11°C . Nov: 12°C / 4°C . Dec: 6°C / 0°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 85 mm. Feb: 90 mm. Mar: 95 mm. Apr: 104 mm. May: 123 mm. Jun: 99 mm. Jul: 139 mm. Aug: 123 mm. Sep: 100 mm. Oct: 84 mm. Nov: 79 mm. Dec: 101 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 66%. Feb: 68%. Mar: 65%. Apr: 66%. May: 73%. Jun: 70%. Jul: 73%. Aug: 75%. Sep: 74%. Oct: 73%. Nov: 69%. Dec: 71%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 17 km/h . Mar: 18 km/h . Apr: 18 km/h . May: 15 km/h . Jun: 14 km/h . Jul: 12 km/h . Aug: 12 km/h . Sep: 13 km/h . Oct: 15 km/h . Nov: 17 km/h . Dec: 17 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Harleysville has a population of approximately 9.3K.
The best months to visit Harleysville are May, June, August, September, October, when temperatures are pleasant and rainfall is lower.
Harleysville receives approximately 1222mm of rainfall annually across 131 rainy days.
Harleysville is located in United States, in the Americas region.
Harleysville sits at an elevation of 79 m (259 ft) above sea level.