UTC Offset
UTC-04:00
West Mifflin, United States Snapshot 2026
Where is West Mifflin?
West Mifflin, United States
- Continent
- Americas
- Country
- United States
- City
- West Mifflin
- Population
- 20.1K
- Elevation
- 334 m
- Coordinates
- 40.36°, -79.87°
West Mifflin is a city in United States with a population of approximately 20.1K. 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. The city sits at an elevation of 334 m above sea level.
Time in West Mifflin right now
Open full time & time zone page 04:44 44
Wednesday, June 17, 2026
IANA time zone
America/New_York
Daylight saving
DST in effect
EST / EDT
Next DST change
November 1
backward -1h
Live weather in West Mifflin
Daylight in West Mifflin today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 03m
Climate normals for West Mifflin
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Excellent July best
Good August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -5°C | -1°C / -9°C | 13days (99 mm) Wet | 4.7h Fair | 73% Muggy | 2.2 Moderate | Poor | View Details |
| February | 7°C / -3°C | 3°C / -7°C | 13days (109 mm) Wet | 5.8h Fair | 70% Muggy | 3.1 Moderate | Poor | View Details |
| March | 11°C / 1°C | 8°C / -3°C | 12days (103 mm) Wet | 7.4h Good | 67% Muggy | 4.6 Moderate | Poor | View Details |
| April | 17°C / 6°C | 15°C / 3°C | 14days (117 mm) Wet | 8.7h Good | 69% Muggy | 5.3 High | Fair | View Details |
| May best | 21°C / 12°C | 22°C / 10°C | 17days (155 mm) Wet | 9.8h Good | 77% Humid | 6.4 High | Good | View Details |
| June best | 26°C / 16°C | 28°C / 17°C | 15days (140 mm) Wet | 10.9h Excellent | 75% Muggy | 7.1 Very High | Excellent | View Details |
| July best | 28°C / 19°C | 31°C / 21°C | 15days (128 mm) Wet | 11h Excellent | 76% Humid | 7 High | Good | View Details |
| August best | 27°C / 18°C | 30°C / 20°C | 14days (91 mm) Wet | 10.7h Excellent | 76% Humid | 6.6 High | Excellent | View Details |
| September best | 25°C / 15°C | 26°C / 15°C | 11days (108 mm) Wet | 9.2h Good | 75% Muggy | 5.2 High | Excellent | View Details |
| October | 18°C / 9°C | 17°C / 7°C | 11days (105 mm) Wet | 7.3h Good | 74% Muggy | 3.8 Moderate | Good | View Details |
| November | 11°C / 3°C | 7°C / -1°C | 11days (77 mm) Wet | 6h Fair | 71% Muggy | 2.6 Moderate | Poor | View Details |
| December | 6°C / -2°C | 2°C / -6°C | 12days (97 mm) Wet | 4.5h Fair | 74% Muggy | 1.9 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 3°C / -5°C . Feb: 7°C / -3°C . Mar: 11°C / 1°C . Apr: 17°C / 6°C . May: 21°C / 12°C . Jun: 26°C / 16°C . Jul: 28°C / 19°C . Aug: 27°C / 18°C . Sep: 25°C / 15°C . Oct: 18°C / 9°C . Nov: 11°C / 3°C . Dec: 6°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 99 mm. Feb: 109 mm. Mar: 103 mm. Apr: 117 mm. May: 155 mm. Jun: 140 mm. Jul: 128 mm. Aug: 91 mm. Sep: 108 mm. Oct: 105 mm. Nov: 77 mm. Dec: 97 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 73%. Feb: 70%. Mar: 67%. Apr: 69%. May: 77%. Jun: 75%. Jul: 76%. Aug: 76%. Sep: 75%. Oct: 74%. Nov: 71%. Dec: 74%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 17 km/h . Feb: 18 km/h . Mar: 19 km/h . Apr: 18 km/h . May: 15 km/h . Jun: 14 km/h . Jul: 12 km/h . Aug: 12 km/h . Sep: 13 km/h . Oct: 15 km/h . Nov: 16 km/h . Dec: 17 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 5. 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
West Mifflin has a population of approximately 20.1K.
The best months to visit West Mifflin are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
West Mifflin receives approximately 1329mm of rainfall annually across 158 rainy days.
West Mifflin is located in United States, in the Americas region.
West Mifflin sits at an elevation of 334 m (1,096 ft) above sea level.