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Castlewood, United States Snapshot 2026
Where is Castlewood?
Castlewood, United States
- Continent
- Americas
- Country
- United States
- City
- Castlewood
- Population
- 25.3K
- Elevation
- 1,746 m
- Coordinates
- 39.58°, -104.90°
Castlewood is a city in United States with a population of approximately 25.3K. Average temperatures range from -10°C (14°F) in January to 30°C (87°F) in July. The best time to visit is June, July, August, September. The city sits at an elevation of 1,746 m above sea level.
Time in Castlewood right now
Open full time & time zone page 15:26 26
Monday, June 15, 2026
IANA time zone
America/Denver
Daylight saving
DST in effect
MST / MDT
Next DST change
November 1
backward -1h
Live weather in Castlewood
Daylight in Castlewood today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 57m
Climate normals for Castlewood
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / -10°C | 1°C / -15°C | 5days (25 mm) Good | 7.8h Good | 62% Muggy | 3.3 Moderate | Poor | View Details |
| February | 7°C / -9°C | 3°C / -14°C | 6days (30 mm) Good | 9.1h Good | 58% Moderate | 4.5 Moderate | Poor | View Details |
| March | 11°C / -4°C | 8°C / -9°C | 8days (60 mm) Wet | 10.2h Excellent | 56% Moderate | 5.9 High | Poor | View Details |
| April | 16°C / 0°C | 13°C / -4°C | 9days (55 mm) Wet | 11.2h Excellent | 52% Moderate | 7 High | Poor | View Details |
| May | 20°C / 5°C | 18°C / 2°C | 14days (106 mm) Wet | 11.7h Excellent | 59% Moderate | 7.8 Very High | Fair | View Details |
| June best | 28°C / 12°C | 27°C / 10°C | 10days (58 mm) Wet | 13h Excellent | 49% Moderate | 8.3 Very High | Excellent | View Details |
| July best | 30°C / 15°C | 30°C / 14°C | 11days (52 mm) Wet | 13h Excellent | 48% Moderate | 8.5 Very High | Excellent | View Details |
| August best | 29°C / 14°C | 28°C / 13°C | 9days (46 mm) Wet | 11.9h Excellent | 48% Moderate | 7.8 Very High | Excellent | View Details |
| September best | 27°C / 11°C | 25°C / 8°C | 6days (34 mm) Good | 11h Excellent | 45% Moderate | 6.6 High | Excellent | View Details |
| October | 19°C / 3°C | 16°C / 0°C | 6days (29 mm) Good | 9.5h Good | 48% Moderate | 5.2 High | Fair | View Details |
| November | 12°C / -3°C | 8°C / -7°C | 4days (25 mm) Good | 8.3h Good | 53% Moderate | 3.5 Moderate | Poor | View Details |
| December | 7°C / -7°C | 3°C / -12°C | 4days (18 mm) Good | 7.7h Good | 54% Moderate | 2.9 Moderate | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 5°C / -10°C . Feb: 7°C / -9°C . Mar: 11°C / -4°C . Apr: 16°C / 0°C . May: 20°C / 5°C . Jun: 28°C / 12°C . Jul: 30°C / 15°C . Aug: 29°C / 14°C . Sep: 27°C / 11°C . Oct: 19°C / 3°C . Nov: 12°C / -3°C . Dec: 7°C / -7°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 25 mm. Feb: 30 mm. Mar: 60 mm. Apr: 55 mm. May: 106 mm. Jun: 58 mm. Jul: 52 mm. Aug: 46 mm. Sep: 34 mm. Oct: 29 mm. Nov: 25 mm. Dec: 18 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 62%. Feb: 58%. Mar: 56%. Apr: 52%. May: 59%. Jun: 49%. Jul: 48%. Aug: 48%. Sep: 45%. Oct: 48%. Nov: 53%. Dec: 54%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 13 km/h . Feb: 13 km/h . Mar: 14 km/h . Apr: 15 km/h . May: 14 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 13 km/h . Sep: 13 km/h . Oct: 13 km/h . Nov: 13 km/h . Dec: 13 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 5. Mar: UV 6. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 9. Aug: UV 8. Sep: UV 7. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Castlewood has a population of approximately 25.3K.
The best months to visit Castlewood are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Castlewood receives approximately 538mm of rainfall annually across 92 rainy days.
Castlewood is located in United States, in the Americas region.
Castlewood sits at an elevation of 1,746 m (5,728 ft) above sea level.