Upper Saint Clair weather in January
In January, Upper Saint Clair sees average daytime highs of 37°F and overnight lows near 24°F, with 3.6 in of precipitation across 12.2 wet days and about 9.5 hours of daylight. It is the 12th-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 37°F through the month. The sky is clear or mostly clear about 13% of the time in January, and the air most often feels dry.
Daylight stretches from about 9 h 12 min at the start of January to 9 h 54 min by month's end. Set against the rest of the year, January is Upper Saint Clair's 12th-clearest and 1st-windiest month. For the whole year in context, see Upper Saint Clair's year-round climate.
- Daytime high
- 37°
- 12th warmest
- Overnight low
- 24°
- 1st coldest
- Precipitation
- 3.6 in
- 12.2 wet days
- Daylight
- 9 h 24 min
- 7:47 AM – 5:12 PM
- Cloud cover
- 77%
- 12th clearest
- Wind
- 8 mph
- 1st windiest
- Solar energy
- 1.83 kWh/m²
- Travel score
- 0.0
- out of 10
Upper Saint Clair is home rule municipality in Allegheny County, Pennsylvania, United States.
- Founded
- 1830
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 37°F through the month.
A typical January day in Upper Saint Clair reaches about 37°F in the afternoon and slips back to 24°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 22°F and 54°F. Set against its neighbours, January runs about 4°F cooler than December and about 3°F cooler than February.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 39 | 39 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 38 |
| Avg low (°F) | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 39 | 26 |
| 2 | 39 | 26 |
| 3 | 39 | 26 |
| 4 | 39 | 26 |
| 5 | 39 | 26 |
| 6 | 39 | 26 |
| 7 | 38 | 25 |
| 8 | 38 | 25 |
| 9 | 38 | 25 |
| 10 | 38 | 25 |
| 11 | 38 | 24 |
| 12 | 38 | 24 |
| 13 | 37 | 24 |
| 14 | 37 | 24 |
| 15 | 37 | 23 |
| 16 | 37 | 23 |
| 17 | 37 | 23 |
| 18 | 37 | 23 |
| 19 | 37 | 22 |
| 20 | 36 | 22 |
| 21 | 36 | 22 |
| 22 | 36 | 22 |
| 23 | 36 | 22 |
| 24 | 37 | 22 |
| 25 | 37 | 22 |
| 26 | 37 | 22 |
| 27 | 37 | 22 |
| 28 | 37 | 22 |
| 29 | 37 | 22 |
| 30 | 37 | 23 |
| 31 | 38 | 23 |
How January really feels in Upper Saint Clair
Once humidity and wind are folded in, January averages 0 days that feel above 90°F and 31 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
The story in January is cold — wind chill drags the overnight "feels like" below the raw low.
Upper Saint Clair weather by month
How January compares with the rest of the year at a glance. January is the 12th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 37° / 24° | 3.6 | 12.2 | 6.8 | 9.5 | 0.0 |
| Feb | 41° / 25° | 3.2 | 11.1 | 5.5 | 10.4 | 0.2 |
| Mar | 50° / 33° | 4.4 | 13 | 3.5 | 11.7 | 2.1 |
| Apr | 62° / 43° | 4.6 | 13.8 | 0.9 | 13 | 4.7 |
| May | 71° / 52° | 5.0 | 14.4 | 0 | 14.2 | 5.8 |
| Jun | 79° / 61° | 5.2 | 13.9 | 0 | 14.8 | 6.0 |
| Jul | 82° / 65° | 5.0 | 14.4 | 0 | 14.6 | 5.6 |
| Aug | 81° / 63° | 3.8 | 12.2 | 0 | 13.6 | 6.2 |
| Sep | 75° / 56° | 3.9 | 10 | 0 | 12.3 | 6.8 |
| Oct | 63° / 45° | 3.6 | 10.4 | 0.2 | 10.9 | 5.4 |
| Nov | 51° / 36° | 3.5 | 10 | 1.2 | 9.8 | 2.5 |
| Dec | 42° / 29° | 3.5 | 11.4 | 4.2 | 9.2 | 0.2 |
Cloud cover in January
The sky is clear or mostly clear about 13% of the time in January, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 8% of January, with mostly cloudy or overcast conditions the remaining 79%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 24 | 24 | 23 | 23 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 18 | 18 | 19 | 19 | 20 | 20 | 21 | 22 | 23 | 23 | 24 | 24 | 26 | 26 |
| Cloudier (%) | 76 | 76 | 77 | 77 | 78 | 79 | 79 | 79 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 80 | 81 | 82 | 82 | 81 | 81 | 80 | 80 | 79 | 78 | 77 | 77 | 76 | 76 | 74 | 74 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 24 | 76 |
| 2 | 24 | 76 |
| 3 | 23 | 77 |
| 4 | 23 | 77 |
| 5 | 22 | 78 |
| 6 | 21 | 79 |
| 7 | 21 | 79 |
| 8 | 21 | 79 |
| 9 | 20 | 80 |
| 10 | 20 | 80 |
| 11 | 20 | 80 |
| 12 | 20 | 80 |
| 13 | 20 | 80 |
| 14 | 20 | 80 |
| 15 | 20 | 80 |
| 16 | 20 | 80 |
| 17 | 19 | 81 |
| 18 | 18 | 82 |
| 19 | 18 | 82 |
| 20 | 19 | 81 |
| 21 | 19 | 81 |
| 22 | 20 | 80 |
| 23 | 20 | 80 |
| 24 | 21 | 79 |
| 25 | 22 | 78 |
| 26 | 23 | 77 |
| 27 | 23 | 77 |
| 28 | 24 | 76 |
| 29 | 24 | 76 |
| 30 | 26 | 74 |
| 31 | 26 | 74 |
Chance of precipitation in January
Upper Saint Clair gets around 3.6 in of rain and snow over 12.2 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 39% and peaks near 42% on the wettest days, and about 7 days bring snow.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 39 | 39 | 40 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 40 | 40 | 39 | 39 | 39 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 |
| Snow chance (%) | 15 | 16 | 17 | 17 | 18 | 19 | 19 | 20 | 20 | 21 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 23 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 39 | 15 |
| 2 | 39 | 16 |
| 3 | 40 | 17 |
| 4 | 41 | 17 |
| 5 | 41 | 18 |
| 6 | 42 | 19 |
| 7 | 42 | 19 |
| 8 | 42 | 20 |
| 9 | 42 | 20 |
| 10 | 42 | 21 |
| 11 | 42 | 22 |
| 12 | 42 | 22 |
| 13 | 41 | 22 |
| 14 | 41 | 22 |
| 15 | 41 | 23 |
| 16 | 40 | 23 |
| 17 | 40 | 23 |
| 18 | 39 | 23 |
| 19 | 39 | 24 |
| 20 | 39 | 24 |
| 21 | 38 | 24 |
| 22 | 38 | 24 |
| 23 | 37 | 25 |
| 24 | 37 | 25 |
| 25 | 37 | 25 |
| 26 | 37 | 24 |
| 27 | 37 | 24 |
| 28 | 37 | 24 |
| 29 | 37 | 24 |
| 30 | 37 | 24 |
| 31 | 37 | 23 |
Humidity in January
Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | |
|---|---|---|
| 1 | 99 | 1 |
| 2 | 99 | 1 |
| 3 | 99 | 1 |
| 4 | 99 | 1 |
| 5 | 99 | 1 |
| 6 | 99 | 1 |
| 7 | 99 | 1 |
| 8 | 99 | 1 |
| 9 | 99 | 1 |
| 10 | 99 | 1 |
| 11 | 99 | 1 |
| 12 | 99 | 1 |
| 13 | 100 | 0 |
| 14 | 100 | 0 |
| 15 | 100 | 0 |
| 16 | 100 | 0 |
| 17 | 100 | 0 |
| 18 | 100 | 0 |
| 19 | 100 | 0 |
| 20 | 100 | 0 |
| 21 | 100 | 0 |
| 22 | 100 | 0 |
| 23 | 100 | 0 |
| 24 | 100 | 0 |
| 25 | 100 | 0 |
| 26 | 100 | 0 |
| 27 | 100 | 0 |
| 28 | 100 | 0 |
| 29 | 100 | 0 |
| 30 | 100 | 0 |
| 31 | 100 | 0 |
Wind in January
Winds average 8 mph in January, the windiest month of the year.
Across January, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 8 | light breeze |
| 2 | 8 | light breeze |
| 3 | 8 | light breeze |
| 4 | 8 | light breeze |
| 5 | 8 | light breeze |
| 6 | 8 | light breeze |
| 7 | 8 | light breeze |
| 8 | 8 | light breeze |
| 9 | 8 | light breeze |
| 10 | 8 | light breeze |
| 11 | 8 | light breeze |
| 12 | 8 | light breeze |
| 13 | 8 | light breeze |
| 14 | 8 | light breeze |
| 15 | 8 | light breeze |
| 16 | 8 | light breeze |
| 17 | 8 | light breeze |
| 18 | 8 | light breeze |
| 19 | 8 | light breeze |
| 20 | 8 | light breeze |
| 21 | 8 | light breeze |
| 22 | 8 | light breeze |
| 23 | 8 | light breeze |
| 24 | 8 | light breeze |
| 25 | 8 | light breeze |
| 26 | 8 | light breeze |
| 27 | 8 | light breeze |
| 28 | 8 | light breeze |
| 29 | 8 | light breeze |
| 30 | 8 | light breeze |
| 31 | 8 | light breeze |
Sunrise & sunset in January
Daylight runs from about 9 h 12 min at the start of January to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 42 minutes over January. Sunrise moves from 7:48 AM to 7:38 AM, and sunset from 4:59 PM to 5:29 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.9 |
| Sunrise (AM) | 7:48 | 7:49 | 7:49 | 7:49 | 7:49 | 7:49 | 7:49 | 7:49 | 7:49 | 7:48 | 7:48 | 7:48 | 7:48 | 7:48 | 7:47 | 7:47 | 7:47 | 7:46 | 7:46 | 7:45 | 7:45 | 7:44 | 7:44 | 7:43 | 7:43 | 7:42 | 7:41 | 7:40 | 7:40 | 7:39 | 7:38 |
| Sunset (PM) | 4:59 | 4:59 | 5:00 | 5:01 | 5:02 | 5:03 | 5:04 | 5:04 | 5:05 | 5:06 | 5:07 | 5:08 | 5:09 | 5:10 | 5:11 | 5:12 | 5:13 | 5:14 | 5:15 | 5:17 | 5:18 | 5:19 | 5:20 | 5:21 | 5:22 | 5:23 | 5:25 | 5:26 | 5:27 | 5:28 | 5:29 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.2 | 7:48 | 4:59 |
| 2 | 9.2 | 7:49 | 4:59 |
| 3 | 9.2 | 7:49 | 5:00 |
| 4 | 9.2 | 7:49 | 5:01 |
| 5 | 9.2 | 7:49 | 5:02 |
| 6 | 9.2 | 7:49 | 5:03 |
| 7 | 9.2 | 7:49 | 5:04 |
| 8 | 9.3 | 7:49 | 5:04 |
| 9 | 9.3 | 7:49 | 5:05 |
| 10 | 9.3 | 7:48 | 5:06 |
| 11 | 9.3 | 7:48 | 5:07 |
| 12 | 9.3 | 7:48 | 5:08 |
| 13 | 9.4 | 7:48 | 5:09 |
| 14 | 9.4 | 7:48 | 5:10 |
| 15 | 9.4 | 7:47 | 5:11 |
| 16 | 9.4 | 7:47 | 5:12 |
| 17 | 9.4 | 7:47 | 5:13 |
| 18 | 9.5 | 7:46 | 5:14 |
| 19 | 9.5 | 7:46 | 5:15 |
| 20 | 9.5 | 7:45 | 5:17 |
| 21 | 9.5 | 7:45 | 5:18 |
| 22 | 9.6 | 7:44 | 5:19 |
| 23 | 9.6 | 7:44 | 5:20 |
| 24 | 9.6 | 7:43 | 5:21 |
| 25 | 9.7 | 7:43 | 5:22 |
| 26 | 9.7 | 7:42 | 5:23 |
| 27 | 9.7 | 7:41 | 5:25 |
| 28 | 9.8 | 7:40 | 5:26 |
| 29 | 9.8 | 7:40 | 5:27 |
| 30 | 9.8 | 7:39 | 5:28 |
| 31 | 9.9 | 7:38 | 5:29 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 1.83 kWh/m².
For context, solar energy here swings from a low near 1.53 kWh/m² to a high of 5.94 kWh/m² in June across the year — January's 1.83 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 1.7 | 1.7 | 1.7 | 1.7 | 1.7 | 1.8 | 1.8 | 1.8 | 1.8 | 1.9 | 1.9 | 1.9 | 1.9 | 2.0 | 2.0 | 2.0 | 2.1 | 2.1 | 2.1 | 2.2 | 2.2 | 2.2 | 2.3 |
| Level | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Dim | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 1.6 | Dim |
| 2 | 1.6 | Dim |
| 3 | 1.6 | Dim |
| 4 | 1.6 | Dim |
| 5 | 1.6 | Dim |
| 6 | 1.6 | Dim |
| 7 | 1.6 | Dim |
| 8 | 1.6 | Dim |
| 9 | 1.7 | Dim |
| 10 | 1.7 | Dim |
| 11 | 1.7 | Dim |
| 12 | 1.7 | Dim |
| 13 | 1.7 | Dim |
| 14 | 1.8 | Dim |
| 15 | 1.8 | Dim |
| 16 | 1.8 | Dim |
| 17 | 1.8 | Dim |
| 18 | 1.9 | Dim |
| 19 | 1.9 | Dim |
| 20 | 1.9 | Dim |
| 21 | 1.9 | Dim |
| 22 | 2.0 | Dim |
| 23 | 2.0 | Moderate |
| 24 | 2.0 | Moderate |
| 25 | 2.1 | Moderate |
| 26 | 2.1 | Moderate |
| 27 | 2.1 | Moderate |
| 28 | 2.2 | Moderate |
| 29 | 2.2 | Moderate |
| 30 | 2.2 | Moderate |
| 31 | 2.3 | Moderate |
Is January a good time to visit Upper Saint Clair?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a weaker month for outdoor sightseeing in Upper Saint Clair.
What to pack for Upper Saint Clair in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Upper Saint Clair sees daytime highs around 37°F and nights near 24°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 12 days see rain.
UV index in Upper Saint Clair in January
Clear-sky midday UV in January peaks around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Upper Saint Clair peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 7 | 6 | 3 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Upper Saint Clair in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Upper Saint Clair is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (November, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 10 | 11 | 11 | 15 | 16 | 17 | 15 | 12 | 8 | 7 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 15 | Moderate |
| Jun | 16 | Moderate |
| Jul | 17 | Moderate |
| Aug | 15 | Moderate |
| Sep | 12 | Good |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 8 | Good |
Where is Upper Saint Clair?
Upper Saint Clair sits at 40.3°N, 80.1°W, 1,099 ft above sea level, in United States. The nearest listed city is Mount Lebanon, 2.5 mi away.
Topography around Upper Saint Clair
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Upper Saint Clair.
Within 2 miles, the terrain around Upper Saint Clair has only modest variations in elevation — a maximum elevation change of 453 ft around an average of 1,070 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 722 ft; within 50 miles, large variations in elevation — a maximum elevation change of 2,359 ft.
The land around Upper Saint Clair is covered by trees (72%) within 2 miles, trees (66%) within 10 miles, and trees (76%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Upper Saint Clair (40.3359°, -80.0834°, elevation 1,099 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).