UTC Offset
UTC-04:00
Chelsea, United States Snapshot 2026
Where is Chelsea?
Chelsea, United States
- Continent
- Americas
- Country
- United States
- City
- Chelsea
- Population
- 39.4K
- Elevation
- 12 m
- Coordinates
- 42.39°, -71.03°
Chelsea is a city in United States with a population of approximately 39.4K. Average temperatures range from -4°C (24°F) in January to 28°C (83°F) in July. The best time to visit is June, July, August, September, October.
Time in Chelsea right now
Open full time & time zone page 14:18 18
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 Chelsea
Daylight in Chelsea today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 16m
Climate normals for Chelsea
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 | -2°C / -10°C | 10days (99 mm) Wet | 5.8h Fair | 68% Muggy | 2.2 Moderate | Poor | View Details |
| February | 5°C / -4°C | 0°C / -9°C | 10days (89 mm) Wet | 6.7h Fair | 70% Muggy | 3.2 Moderate | Poor | View Details |
| March | 8°C / -1°C | 4°C / -6°C | 11days (108 mm) Wet | 7.8h Good | 67% Muggy | 4.3 Moderate | Poor | View Details |
| April | 14°C / 5°C | 11°C / 1°C | 12days (116 mm) Wet | 8.4h Good | 69% Muggy | 5.2 High | Fair | View Details |
| May | 19°C / 10°C | 18°C / 8°C | 11days (87 mm) Wet | 9.7h Good | 73% Muggy | 6.3 High | Good | View Details |
| June best | 25°C / 16°C | 26°C / 15°C | 11days (74 mm) Wet | 11h Excellent | 73% Muggy | 6.7 High | Excellent | View Details |
| July best | 28°C / 20°C | 31°C / 21°C | 11days (91 mm) Wet | 11.1h Excellent | 74% Muggy | 7 High | Excellent | View Details |
| August best | 27°C / 19°C | 29°C / 20°C | 10days (71 mm) Wet | 10.7h Excellent | 73% Muggy | 6.5 High | Excellent | View Details |
| September best | 23°C / 16°C | 23°C / 15°C | 9days (84 mm) Wet | 8.5h Good | 76% Humid | 5.1 High | Excellent | View Details |
| October best | 17°C / 10°C | 16°C / 7°C | 10days (114 mm) Wet | 7h Good | 76% Humid | 3.8 Moderate | Good | View Details |
| November | 11°C / 3°C | 7°C / -1°C | 8days (81 mm) Wet | 6.5h Fair | 71% Muggy | 2.6 Moderate | Poor | View Details |
| December | 5°C / -2°C | 1°C / -7°C | 10days (123 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 / -4°C . Mar: 8°C / -1°C . Apr: 14°C / 5°C . May: 19°C / 10°C . Jun: 25°C / 16°C . Jul: 28°C / 20°C . Aug: 27°C / 19°C . Sep: 23°C / 16°C . Oct: 17°C / 10°C . Nov: 11°C / 3°C . Dec: 5°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 99 mm. Feb: 89 mm. Mar: 108 mm. Apr: 116 mm. May: 87 mm. Jun: 74 mm. Jul: 91 mm. Aug: 71 mm. Sep: 84 mm. Oct: 114 mm. Nov: 81 mm. Dec: 123 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 68%. Feb: 70%. Mar: 67%. Apr: 69%. May: 73%. Jun: 73%. Jul: 74%. Aug: 73%. Sep: 76%. Oct: 76%. Nov: 71%. Dec: 72%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 24 km/h . Feb: 24 km/h . Mar: 24 km/h . Apr: 22 km/h . May: 20 km/h . Jun: 18 km/h . Jul: 17 km/h . Aug: 17 km/h . Sep: 18 km/h . Oct: 21 km/h . Nov: 23 km/h . Dec: 23 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 4°C . Feb: 3°C . Mar: 5°C . Apr: 8°C . May: 13°C . Jun: 17°C . Jul: 19°C . Aug: 20°C . Sep: 19°C . Oct: 15°C . Nov: 10°C . Dec: 6°C .
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
Chelsea has a population of approximately 39.4K.
The best months to visit Chelsea are June, July, August, September, October, when temperatures are pleasant and rainfall is lower.
Chelsea receives approximately 1137mm of rainfall annually across 123 rainy days.
Chelsea is located in United States, in the Americas region.
Chelsea sits at an elevation of 12 m (39 ft) above sea level.