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Billerica, United States Snapshot 2026
Where is Billerica?
Billerica, United States
- Continent
- Americas
- Country
- United States
- City
- Billerica
- Population
- 39.9K
- Elevation
- 73 m
- Coordinates
- 42.56°, -71.27°
Billerica is a city in United States with a population of approximately 39.9K. Average temperatures range from -5°C (23°F) in January to 28°C (83°F) in July. The best time to visit is May, June, July, August, September.
Time in Billerica right now
Open full time & time zone page 15:51 51
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 Billerica
Daylight in Billerica today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 17m
Climate normals for Billerica
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 2°C / -5°C | -2°C / -10°C | 9days (90 mm) Wet | 5.9h Fair | 66% Muggy | 2.3 Moderate | Poor | View Details |
| February | 4°C / -5°C | 0°C / -10°C | 9days (80 mm) Wet | 6.7h Fair | 68% Muggy | 3.3 Moderate | Poor | View Details |
| March | 8°C / -1°C | 4°C / -6°C | 11days (100 mm) Wet | 7.8h Good | 65% Muggy | 4.1 Moderate | Poor | View Details |
| April | 14°C / 4°C | 11°C / 0°C | 12days (105 mm) Wet | 8.3h Good | 67% Muggy | 5.2 High | Fair | View Details |
| May best | 19°C / 10°C | 19°C / 8°C | 11days (87 mm) Wet | 9.5h Good | 71% Muggy | 6.2 High | Good | View Details |
| June best | 25°C / 15°C | 26°C / 15°C | 11days (75 mm) Wet | 10.8h Excellent | 71% Muggy | 6.7 High | Excellent | View Details |
| July best | 28°C / 19°C | 30°C / 20°C | 12days (97 mm) Wet | 11h Excellent | 72% Muggy | 6.8 High | Excellent | View Details |
| August best | 27°C / 18°C | 29°C / 19°C | 10days (78 mm) Wet | 10.6h Excellent | 71% Muggy | 6.4 High | Excellent | View Details |
| September best | 23°C / 15°C | 23°C / 14°C | 8days (83 mm) Wet | 8.5h Good | 74% Muggy | 5.1 High | Excellent | View Details |
| October | 17°C / 9°C | 15°C / 7°C | 9days (102 mm) Wet | 6.9h Fair | 75% Muggy | 3.7 Moderate | Good | View Details |
| November | 10°C / 2°C | 6°C / -2°C | 9days (76 mm) Wet | 6.4h Fair | 70% Muggy | 2.6 Moderate | Poor | View Details |
| December | 4°C / -3°C | 0°C / -8°C | 10days (116 mm) Wet | 5.5h Fair | 70% Muggy | 1.9 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 2°C / -5°C . Feb: 4°C / -5°C . Mar: 8°C / -1°C . Apr: 14°C / 4°C . May: 19°C / 10°C . Jun: 25°C / 15°C . Jul: 28°C / 19°C . Aug: 27°C / 18°C . Sep: 23°C / 15°C . Oct: 17°C / 9°C . Nov: 10°C / 2°C . Dec: 4°C / -3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 90 mm. Feb: 80 mm. Mar: 100 mm. Apr: 105 mm. May: 87 mm. Jun: 75 mm. Jul: 97 mm. Aug: 78 mm. Sep: 83 mm. Oct: 102 mm. Nov: 76 mm. Dec: 116 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 66%. Feb: 68%. Mar: 65%. Apr: 67%. May: 71%. Jun: 71%. Jul: 72%. Aug: 71%. Sep: 74%. Oct: 75%. Nov: 70%. Dec: 70%.
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: 15 km/h . Jul: 14 km/h . Aug: 14 km/h . Sep: 15 km/h . Oct: 17 km/h . Nov: 19 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 6. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Billerica has a population of approximately 39.9K.
The best months to visit Billerica are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Billerica receives approximately 1089mm of rainfall annually across 121 rainy days.
Billerica is located in United States, in the Americas region.
Billerica sits at an elevation of 73 m (240 ft) above sea level.