Greencastle, United States Snapshot 2026
Where is Greencastle?
Greencastle, United States
- Continent
- Americas
- Country
- United States
- City
- Greencastle
- Population
- 10.4K
- Elevation
- 257 m
- Coordinates
- 39.64°, -86.86°
Greencastle is a city in United States with a population of approximately 10.4K. Average temperatures range from -4°C (24°F) in January to 29°C (85°F) in July. The best time to visit is May, June, July, August, September. The city sits at an elevation of 257 m above sea level.
Time in Greencastle right now
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Daylight in Greencastle today
View full sunrise & sunset pageClimate normals for Greencastle
Long-term monthly averages based on historical data.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -4°C | -1°C / -9°C | 9days (82 mm) Wet | 4.9h Fair | 72% Muggy | 2.5 Moderate | Poor | View Details |
| February | 7°C / -3°C | 3°C / -8°C | 9days (80 mm) Wet | 6.5h Fair | 70% Muggy | 3.6 Moderate | Poor | View Details |
| March | 12°C / 2°C | 9°C / -2°C | 12days (127 mm) Wet | 7.3h Good | 68% Muggy | 4.7 Moderate | Poor | View Details |
| April | 17°C / 7°C | 15°C / 4°C | 12days (116 mm) Wet | 8.8h Good | 68% Muggy | 5.7 High | Fair | View Details |
| May best | 23°C / 13°C | 23°C / 12°C | 13days (118 mm) Wet | 9.9h Good | 72% Muggy | 6.6 High | Excellent | View Details |
| June best | 28°C / 18°C | 30°C / 19°C | 11days (91 mm) Wet | 11.5h Excellent | 68% Muggy | 7.1 Very High | Excellent | View Details |
| July best | 29°C / 20°C | 33°C / 22°C | 13days (105 mm) Wet | 11.7h Excellent | 74% Muggy | 7.3 Very High | Good | View Details |
| August best | 28°C / 19°C | 31°C / 21°C | 10days (93 mm) Wet | 11h Excellent | 73% Muggy | 6.8 High | Excellent | View Details |
| September best | 26°C / 17°C | 27°C / 17°C | 7days (68 mm) Good | 9.9h Good | 69% Muggy | 5.6 High | Excellent | View Details |
| October | 19°C / 11°C | 18°C / 8°C | 10days (80 mm) Wet | 7.8h Good | 68% Muggy | 4.2 Moderate | Good | View Details |
| November | 11°C / 3°C | 8°C / -1°C | 9days (73 mm) Wet | 6.4h Fair | 70% Muggy | 2.9 Moderate | Poor | View Details |
| December | 6°C / -1°C | 2°C / -6°C | 10days (79 mm) Wet | 5.1h Fair | 74% Muggy | 2.2 Moderate | Poor | View Details |
Monthly Temperatures
Line chart showing monthly temperatures. Jan: 3°C / -4°C . Feb: 7°C / -3°C . Mar: 12°C / 2°C . Apr: 17°C / 7°C . May: 23°C / 13°C . Jun: 28°C / 18°C . Jul: 29°C / 20°C . Aug: 28°C / 19°C . Sep: 26°C / 17°C . Oct: 19°C / 11°C . Nov: 11°C / 3°C . Dec: 6°C / -1°C .
Monthly Rainfall
Bar chart showing monthly rainfall. Jan: 82 mm. Feb: 80 mm. Mar: 127 mm. Apr: 116 mm. May: 118 mm. Jun: 91 mm. Jul: 105 mm. Aug: 93 mm. Sep: 68 mm. Oct: 80 mm. Nov: 73 mm. Dec: 79 mm.
Monthly Humidity
Line chart showing monthly humidity. Jan: 72%. Feb: 70%. Mar: 68%. Apr: 68%. May: 72%. Jun: 68%. Jul: 74%. Aug: 73%. Sep: 69%. Oct: 68%. Nov: 70%. Dec: 74%.
Monthly Wind Speed
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 21 km/h . Mar: 21 km/h . Apr: 22 km/h . May: 18 km/h . Jun: 17 km/h . Jul: 15 km/h . Aug: 14 km/h . Sep: 15 km/h . Oct: 19 km/h . Nov: 19 km/h . Dec: 20 km/h .
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Greencastle has a population of approximately 10.4K.
The best months to visit Greencastle are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Greencastle receives approximately 1112mm of rainfall annually across 125 rainy days.
Greencastle is located in United States, in the Americas region.
Greencastle sits at an elevation of 257 m (843 ft) above sea level.