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Londonderry, United States Snapshot 2026
Where is Londonderry?
Londonderry, United States
- Continent
- Americas
- Country
- United States
- City
- Londonderry
- Population
- 11K
- Elevation
- 128 m
- Coordinates
- 42.87°, -71.37°
Londonderry is a city in United States with a population of approximately 11K. Average temperatures range from -7°C (20°F) in January to 28°C (83°F) in July. The best time to visit is June, July, August, September. The city sits at an elevation of 128 m above sea level.
Time in Londonderry right now
Open full time & time zone page 07:22 22
Tuesday, June 16, 2026
IANA time zone
America/New_York
Daylight saving
DST in effect
EST / EDT
Next DST change
November 1
backward -1h
Live weather in Londonderry
Daylight in Londonderry today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 20m
Climate normals for Londonderry
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Poor May
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 | 1°C / -7°C | -3°C / -12°C | 9days (85 mm) Wet | 5.9h Fair | 68% Muggy | 2.2 Moderate | Poor | View Details |
| February | 3°C / -6°C | -1°C / -11°C | 9days (78 mm) Wet | 6.8h Fair | 69% Muggy | 3.2 Moderate | Poor | View Details |
| March | 7°C / -2°C | 3°C / -7°C | 10days (96 mm) Wet | 7.8h Good | 66% Muggy | 4 Moderate | Poor | View Details |
| April | 13°C / 3°C | 10°C / -1°C | 12days (105 mm) Wet | 8.4h Good | 67% Muggy | 5.1 High | Poor | View Details |
| May | 19°C / 9°C | 18°C / 7°C | 11days (88 mm) Wet | 9.6h Good | 71% Muggy | 6.1 High | Good | View Details |
| June best | 25°C / 15°C | 25°C / 14°C | 11days (80 mm) Wet | 10.8h Excellent | 69% Muggy | 6.5 High | Excellent | View Details |
| July best | 28°C / 19°C | 30°C / 20°C | 12days (101 mm) Wet | 11.1h Excellent | 70% Muggy | 6.8 High | Excellent | View Details |
| August best | 27°C / 18°C | 28°C / 18°C | 10days (80 mm) Wet | 10.6h Excellent | 70% Muggy | 6.4 High | Excellent | View Details |
| September best | 23°C / 14°C | 23°C / 13°C | 8days (77 mm) Wet | 8.6h Good | 73% Muggy | 5.1 High | Excellent | View Details |
| October | 16°C / 8°C | 15°C / 6°C | 9days (103 mm) Wet | 6.9h Fair | 75% Muggy | 3.7 Moderate | Good | View Details |
| November | 9°C / 1°C | 5°C / -3°C | 9days (78 mm) Wet | 6.4h Fair | 71% Muggy | 2.6 Moderate | Poor | View Details |
| December | 3°C / -4°C | -1°C / -9°C | 10days (119 mm) Wet | 5.5h Fair | 72% Muggy | 1.8 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 1°C / -7°C . Feb: 3°C / -6°C . Mar: 7°C / -2°C . Apr: 13°C / 3°C . May: 19°C / 9°C . Jun: 25°C / 15°C . Jul: 28°C / 19°C . Aug: 27°C / 18°C . Sep: 23°C / 14°C . Oct: 16°C / 8°C . Nov: 9°C / 1°C . Dec: 3°C / -4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 85 mm. Feb: 78 mm. Mar: 96 mm. Apr: 105 mm. May: 88 mm. Jun: 80 mm. Jul: 101 mm. Aug: 80 mm. Sep: 77 mm. Oct: 103 mm. Nov: 78 mm. Dec: 119 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 68%. Feb: 69%. Mar: 66%. Apr: 67%. May: 71%. Jun: 69%. Jul: 70%. Aug: 70%. Sep: 73%. Oct: 75%. Nov: 71%. Dec: 72%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 18 km/h . Mar: 19 km/h . Apr: 18 km/h . May: 16 km/h . Jun: 15 km/h . Jul: 14 km/h . Aug: 13 km/h . Sep: 14 km/h . Oct: 16 km/h . Nov: 18 km/h . Dec: 17 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
Londonderry has a population of approximately 11K.
The best months to visit Londonderry are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Londonderry receives approximately 1090mm of rainfall annually across 120 rainy days.
Londonderry is located in United States, in the Americas region.
Londonderry sits at an elevation of 128 m (420 ft) above sea level.