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Dedham, United States Snapshot 2026
Where is Dedham?
Dedham, United States
- Continent
- Americas
- Country
- United States
- City
- Dedham
- Population
- 24.7K
- Elevation
- 33 m
- Coordinates
- 42.24°, -71.17°
Dedham is a city in United States with a population of approximately 24.7K. Average temperatures range from -4°C (25°F) in January to 28°C (83°F) in July. The best time to visit is June, July, August, September, October.
Time in Dedham right now
Open full time & time zone page 13:45 45
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 Dedham
Daylight in Dedham today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 15m
Climate normals for Dedham
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October best
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -4°C | -1°C / -9°C | 9days (94 mm) Wet | 5.9h Fair | 67% Muggy | 2.3 Moderate | Poor | View Details |
| February | 5°C / -3°C | 1°C / -8°C | 10days (81 mm) Wet | 6.7h Fair | 69% Muggy | 3.3 Moderate | Poor | View Details |
| March | 9°C / 0°C | 5°C / -5°C | 11days (102 mm) Wet | 7.8h Good | 67% Muggy | 4.3 Moderate | Poor | View Details |
| April | 14°C / 5°C | 11°C / 1°C | 12days (103 mm) Wet | 8.4h Good | 69% Muggy | 5.2 High | Fair | View Details |
| May | 20°C / 10°C | 19°C / 8°C | 11days (87 mm) Wet | 9.5h Good | 73% Muggy | 6.4 High | Good | View Details |
| June best | 25°C / 16°C | 26°C / 16°C | 11days (75 mm) Wet | 10.8h Excellent | 73% Muggy | 6.8 High | Excellent | View Details |
| July best | 28°C / 20°C | 31°C / 21°C | 12days (102 mm) Wet | 11h Excellent | 75% Muggy | 7.1 Very High | Excellent | View Details |
| August best | 27°C / 19°C | 29°C / 20°C | 11days (78 mm) Wet | 10.6h Excellent | 74% Muggy | 6.6 High | Excellent | View Details |
| September best | 23°C / 16°C | 24°C / 15°C | 8days (88 mm) Wet | 8.4h Good | 77% Humid | 5.1 High | Excellent | View Details |
| October best | 18°C / 10°C | 16°C / 8°C | 9days (104 mm) Wet | 7h Good | 76% Humid | 3.9 Moderate | Good | View Details |
| November | 11°C / 3°C | 8°C / -1°C | 9days (75 mm) Wet | 6.5h Fair | 71% Muggy | 2.6 Moderate | Poor | View Details |
| December | 5°C / -2°C | 1°C / -6°C | 10days (115 mm) Wet | 5.5h Fair | 72% Muggy | 1.9 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 3°C / -4°C . Feb: 5°C / -3°C . Mar: 9°C / 0°C . Apr: 14°C / 5°C . May: 20°C / 10°C . Jun: 25°C / 16°C . Jul: 28°C / 20°C . Aug: 27°C / 19°C . Sep: 23°C / 16°C . Oct: 18°C / 10°C . Nov: 11°C / 3°C . Dec: 5°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 94 mm. Feb: 81 mm. Mar: 102 mm. Apr: 103 mm. May: 87 mm. Jun: 75 mm. Jul: 102 mm. Aug: 78 mm. Sep: 88 mm. Oct: 104 mm. Nov: 75 mm. Dec: 115 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 67%. Feb: 69%. Mar: 67%. Apr: 69%. May: 73%. Jun: 73%. Jul: 75%. Aug: 74%. Sep: 77%. Oct: 76%. Nov: 71%. Dec: 72%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 19 km/h . Feb: 19 km/h . Mar: 20 km/h . Apr: 19 km/h . May: 17 km/h . Jun: 16 km/h . Jul: 15 km/h . Aug: 14 km/h . Sep: 15 km/h . Oct: 17 km/h . Nov: 18 km/h . Dec: 18 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 7. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Dedham has a population of approximately 24.7K.
The best months to visit Dedham are June, July, August, September, October, when temperatures are pleasant and rainfall is lower.
Dedham receives approximately 1104mm of rainfall annually across 123 rainy days.
Dedham is located in United States, in the Americas region.
Dedham sits at an elevation of 33 m (108 ft) above sea level.