Newcastle, United States Snapshot 2026
Where is Newcastle?
Newcastle, United States
- Continent
- Americas
- Country
- United States
- City
- Newcastle
- Population
- 11.4K
- Elevation
- 172 m
- Coordinates
- 47.54°, -122.16°
Newcastle is a city in United States with a population of approximately 11.4K. Average temperatures range from 1°C (33°F) in February to 26°C (78°F) in August. The best time to visit is June, July, August, September. The city sits at an elevation of 172 m above sea level.
Time in Newcastle right now
Open full time & time zone pageLive weather in Newcastle
Daylight in Newcastle today
View full sunrise & sunset pageClimate normals for Newcastle
Long-term monthly averages based on historical data.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 7°C / 1°C | 4°C / -2°C | 18days (183 mm) Wet | 4.2h Fair | 86% Very Muggy | 1.3 Low | Wet | View Details |
| February | 7°C / 1°C | 4°C / -3°C | 18days (147 mm) Wet | 5.3h Fair | 84% Humid | 1.9 Low | Wet | View Details |
| March | 11°C / 2°C | 8°C / -1°C | 18days (130 mm) Wet | 7.6h Good | 81% Humid | 3.3 Moderate | Wet | View Details |
| April | 14°C / 4°C | 12°C / 2°C | 16days (102 mm) Wet | 9.3h Good | 78% Humid | 4.8 Moderate | Fair | View Details |
| May | 18°C / 8°C | 17°C / 6°C | 11days (68 mm) Wet | 10.7h Excellent | 75% Muggy | 5.6 High | Good | View Details |
| June best | 21°C / 11°C | 21°C / 10°C | 10days (59 mm) Wet | 11.6h Excellent | 73% Muggy | 6.3 High | Excellent | View Details |
| July best | 25°C / 14°C | 26°C / 14°C | 4days (15 mm) Good | 12.6h Excellent | 68% Muggy | 6.8 High | Excellent | View Details |
| August best | 26°C / 14°C | 26°C / 14°C | 5days (23 mm) Good | 11.4h Excellent | 70% Muggy | 5.9 High | Excellent | View Details |
| September best | 21°C / 12°C | 21°C / 11°C | 9days (70 mm) Wet | 9.5h Good | 77% Humid | 4.6 Moderate | Excellent | View Details |
| October | 15°C / 7°C | 13°C / 5°C | 16days (144 mm) Wet | 7h Good | 84% Humid | 3 Moderate | Fair | View Details |
| November | 10°C / 4°C | 8°C / 1°C | 19days (181 mm) Wet | 4.6h Fair | 87% Very Muggy | 1.6 Low | Wet | View Details |
| December | 7°C / 2°C | 4°C / -2°C | 19days (201 mm) Wet | 3.5h Poor | 88% Very Muggy | 1 Low | Wet | View Details |
Monthly Temperatures
Line chart showing monthly temperatures. Jan: 7°C / 1°C . Feb: 7°C / 1°C . Mar: 11°C / 2°C . Apr: 14°C / 4°C . May: 18°C / 8°C . Jun: 21°C / 11°C . Jul: 25°C / 14°C . Aug: 26°C / 14°C . Sep: 21°C / 12°C . Oct: 15°C / 7°C . Nov: 10°C / 4°C . Dec: 7°C / 2°C .
Monthly Rainfall
Bar chart showing monthly rainfall. Jan: 183 mm. Feb: 147 mm. Mar: 130 mm. Apr: 102 mm. May: 68 mm. Jun: 59 mm. Jul: 15 mm. Aug: 23 mm. Sep: 70 mm. Oct: 144 mm. Nov: 181 mm. Dec: 201 mm.
Monthly Humidity
Line chart showing monthly humidity. Jan: 86%. Feb: 84%. Mar: 81%. Apr: 78%. May: 75%. Jun: 73%. Jul: 68%. Aug: 70%. Sep: 77%. Oct: 84%. Nov: 87%. Dec: 88%.
Monthly Wind Speed
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 16 km/h . Mar: 15 km/h . Apr: 15 km/h . May: 13 km/h . Jun: 13 km/h . Jul: 11 km/h . Aug: 12 km/h . Sep: 12 km/h . Oct: 15 km/h . Nov: 16 km/h . Dec: 16 km/h .
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 3. Apr: UV 5. May: UV 6. Jun: UV 6. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 3. Nov: UV 2. Dec: UV 1.
Frequently Asked Questions
Newcastle has a population of approximately 11.4K.
The best months to visit Newcastle are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Newcastle receives approximately 1323mm of rainfall annually across 163 rainy days.
Newcastle is located in United States, in the Americas region.
Newcastle sits at an elevation of 172 m (564 ft) above sea level.