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Best time to visit · China
For the most comfortable weather in Xi'an, aim for March & April and October. March tops our comfort score at 88/100, with highs around 64°F (18°C) and 0.9 in (23 mm) of rain. May, September and November are good shoulder-season months. The toughest month is July, mainly because of heat.
Highs run from 43°F to 95°F across the year, and the yearly total is about 27.3 in (694 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 43°F6°C | 51°F11°C | 64°F18°C | 77°F25°C | 85°F30°C | 93°F34°C | 95°F35°C | 92°F33°C | 81°F27°C | 70°F21°C | 58°F14°C | 45°F7°C |
| Avg low | 26°F-3°C | 31°F-1°C | 40°F4°C | 51°F10°C | 60°F16°C | 69°F21°C | 73°F23°C | 71°F22°C | 62°F17°C | 51°F10°C | 37°F3°C | 28°F-2°C |
| Rain/snow | 0.4 in9 mm | 0.5 in13 mm | 0.9 in23 mm | 1.6 in40 mm | 2.7 in69 mm | 3.3 in84 mm | 4.9 in124 mm | 4.5 in114 mm | 4.9 in125 mm | 2.4 in60 mm | 1.1 in27 mm | 0.2 in6 mm |
| Humidity | 61% | 60% | 54% | 52% | 51% | 53% | 61% | 64% | 69% | 67% | 65% | 61% |
| Cloud | 60% | 68% | 67% | 69% | 73% | 73% | 69% | 68% | 71% | 65% | 54% | 54% |
| Comfort | 55 | 66 | 88 | 87 | 72 | 53 | 46 | 54 | 75 | 86 | 81 | 60 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~593 m (1,946 ft) to Xi'an's ~385 m (1,263 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 43–51°F (6–11°C) and lows down to 26°F (-3°C). It's the driest season, with only about 1.1 in (28 mm) of rain or snow, 4% of the year's total. December & January are cold enough for snow. Comfort scores sit mid-table, averaging 60/100.
Temperatures climb through the season, from 64°F highs in March to 85°F by May. About 5.2 in (132 mm) of rain falls across these months, 19% of the year's total. Lows bottom out around 40°F (4°C). March & April are among the best-scoring months (season average 82/100).
Peak warmth: highs of 92–95°F (33–35°C). It's the wettest season, with about 12.7 in (322 mm) of rain, 46% of the year's total. Lows bottom out around 69°F (21°C). It holds the toughest stretch on our comfort score (July), averaging 51/100.
Temperatures slide from 81°F highs in September to 58°F by November. About 8.3 in (212 mm) of rain falls across these months, 31% of the year's total. Lows bottom out around 37°F (3°C). October is among the best-scoring months (season average 81/100).
By comfort score: 5 Great, 3 Good and 4 Fair. Great months: March & April and September – November. Tap a month for its own guide.
For the most comfortable weather in Xi'an, aim for March & April and October. March tops our comfort score at 88/100, with highs around 64°F (18°C) and 0.9 in (23 mm) of rain. May, September and November are good shoulder-season months. The toughest month is July, mainly because of heat.
September is the wettest month, averaging about 4.9 in (125 mm) of rain. December is the driest, with about 0.2 in (6 mm). The yearly total is around 27.3 in (694 mm).
January is the coldest, with average lows of 26°F (-3°C) and highs of 43°F (6°C). The warmest is July, with average highs of 95°F (35°C).
Not very: summer (June – August) humidity averages 59%, and highs peak around 95°F (35°C), so heat matters more than mugginess.
On average, yes: lows fall below 32°F (0°C) in December – February, bottoming out around 26°F (-3°C) in January.
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