Climate & Weather in Dunhuang
Dunhuang, being surrounded by high mountains, has an arid, continental climate. The annual average temperature is 9.48 °C (49.1 °F), but the monthly daily mean temperature ranges from 24.6 °C (76.3 °F) in July down to −8.3 °C (17.1 °F) in January. The city is extremely hot in summer and cold in winter, and usually has sharp temperature differences between day and night. Precipitation occurs only in trace amounts and quickly evaporates.
| Climate data for Dunhuang (1971−2010) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average high °C (°F) | −0.8 (30.6) |
4.9 (40.8) |
12.7 (54.9) |
21.2 (70.2) |
27.0 (80.6) |
30.9 (87.6) |
32.7 (90.9) |
31.7 (89.1) |
26.8 (80.2) |
18.8 (65.8) |
8.4 (47.1) |
0.6 (33.1) |
17.9 (64.2) |
| Average low °C (°F) | −14.6 (5.7) |
−10.5 (13.1) |
−3.2 (26.2) |
4.1 (39.4) |
9.6 (49.3) |
13.9 (57) |
16.4 (61.5) |
14.6 (58.3) |
8.5 (47.3) |
0.6 (33.1) |
−5.5 (22.1) |
−12 (10.4) |
1.8 (35.2) |
| Precipitation mm (inches) | 0.8 (0.031) |
0.8 (0.031) |
2.1 (0.083) |
2.4 (0.094) |
2.4 (0.094) |
8.0 (0.315) |
15.2 (0.598) |
6.3 (0.248) |
1.5 (0.059) |
0.8 (0.031) |
1.3 (0.051) |
0.8 (0.031) |
42.4 (1.666) |
| Avg. precipitation days (≥ 0.1 mm) | 1.5 | 0.9 | 1.2 | 1.3 | 1.3 | 3.7 | 4.8 | 2.6 | 0.9 | 0.5 | 1.1 | 1.3 | 21.1 |
| % humidity | 52 | 40 | 35 | 31 | 33 | 42 | 45 | 45 | 45 | 45 | 51 | 55 | 43.3 |
| Mean monthly sunshine hours | 219.0 | 218.6 | 254.9 | 282.4 | 320.2 | 313.6 | 318.9 | 316.1 | 296.1 | 280.8 | 230.4 | 206.8 | 3,257.8 |
| Source: China Meteorological Administration | |||||||||||||
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