앨러게니군
기후

| Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 1월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 2월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 3월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 4월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 5월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 6월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 7월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 8월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 9월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 10월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 11월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 12월 | Pittsburgh (Pittsburgh International Airport), 1991–2020 normals, extremes 1871–present의 기후> 연간 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 역대 최고 기온 °F (°C) | 75 (24) | 78 (26) | 84 (29) | 90 (32) | 95 (35) | 98 (37) | 103 (39) | 103 (39) | 102 (39) | 91 (33) | 82 (28) | 74 (23) | 103 (39) |
| 월평균 최고 기온 °F (°C) | 61 (16) | 63 (17) | 73 (23) | 82 (28) | 87 (31) | 90 (32) | 91 (33) | 90 (32) | 88 (31) | 80 (27) | 71 (22) | 63 (17) | 93 (34) |
| 일평균 최고 기온 °F (°C) | 36.3 (2.4) | 39.6 (4.2) | 49.1 (9.5) | 62.4 (16.9) | 71.9 (22.2) | 79.4 (26.3) | 82.9 (28.3) | 81.7 (27.6) | 75.1 (23.9) | 63.1 (17.3) | 50.9 (10.5) | 40.6 (4.8) | 61.1 (16.2) |
| 일일 평균 기온 °F (°C) | 28.8 (−1.8) | 31.4 (−0.3) | 39.7 (4.3) | 51.5 (10.8) | 61.2 (16.2) | 69.4 (20.8) | 73.2 (22.9) | 71.8 (22.1) | 64.9 (18.3) | 53.4 (11.9) | 42.6 (5.9) | 33.7 (0.9) | 51.8 (11.0) |
| 일평균 최저 기온 °F (°C) | 21.4 (−5.9) | 23.2 (−4.9) | 30.3 (−0.9) | 40.7 (4.8) | 50.6 (10.3) | 59.3 (15.2) | 63.4 (17.4) | 62.0 (16.7) | 54.8 (12.7) | 43.7 (6.5) | 34.3 (1.3) | 26.7 (−2.9) | 42.5 (5.8) |
| 월평균 최저 기온 °F (°C) | 1 (−17) | 5 (−15) | 12 (−11) | 25 (−4) | 36 (2) | 45 (7) | 53 (12) | 51 (11) | 41 (5) | 30 (−1) | 19 (−7) | 10 (−12) | −2 (−19) |
| 역대 최저 기온 °F (°C) | −22 (−30) | −20 (−29) | −5 (−21) | 11 (−12) | 26 (−3) | 34 (1) | 42 (6) | 39 (4) | 31 (−1) | 16 (−9) | −1 (−18) | −12 (−24) | −22 (−30) |
| 평균 강수량 인치 (mm) | 2.96 (75) | 2.62 (67) | 3.15 (80) | 3.32 (84) | 3.83 (97) | 4.12 (105) | 4.26 (108) | 3.52 (89) | 3.30 (84) | 2.83 (72) | 2.86 (73) | 2.84 (72) | 39.61 (1,006) |
| 평균 강설량 인치 (cm) | 13.3 (34) | 11.7 (30) | 7.6 (19) | 1.0 (2.5) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 0.0 (0.0) | 0.4 (1.0) | 2.4 (6.1) | 7.7 (20) | 44.1 (112) |
| 평균 강수일수 (≥ 0.01 in) | 16.8 | 13.9 | 14.0 | 13.9 | 13.5 | 12.4 | 11.2 | 10.5 | 9.8 | 11.1 | 12.0 | 14.6 | 153.7 |
| 평균 강설일수 (≥ 0.1 in) | 12.2 | 9.3 | 5.9 | 1.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 3.3 | 7.6 | 40.2 |
| 평균 상대 습도 (%) | 69.9 | 67.3 | 64.1 | 59.8 | 63.4 | 66.2 | 68.8 | 71.2 | 72.0 | 68.3 | 70.2 | 71.9 | 67.8 |
| 평균 이슬점 °F (°C) | 17.2 (−8.2) | 18.9 (−7.3) | 26.8 (−2.9) | 34.5 (1.4) | 45.9 (7.7) | 55.2 (12.9) | 60.1 (15.6) | 59.5 (15.3) | 53.4 (11.9) | 40.8 (4.9) | 32.4 (0.2) | 23.2 (−4.9) | 39.0 (3.9) |
| 평균 월간 일조시간 | 93.9 | 108.5 | 155.4 | 182.8 | 217.4 | 242.2 | 254.9 | 228.4 | 196.7 | 167.3 | 99.4 | 74.4 | 2,021.3 |
| 가능 일조율 | 31 | 36 | 42 | 46 | 49 | 54 | 56 | 54 | 53 | 48 | 33 | 26 | 45 |
| 평균 자외선 지수 | 2 | 3 | 4 | 6 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 2 | 5 |
출처 1: NOAA (relative humidity, dew point and sun 1961–1990)
출처 2: Weather Atlas (UV)