10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Partly cloudy
12°
Feels like 12°
Wind↑ WSW 6 km/h
Humidity 81 %
Evening
Mainly clear
14°
Feels like 14°
Wind↑ SSW 1 km/h
Humidity 71 %
11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Overcast
13°
Feels like 13°
Wind↑ N 1 km/h
Humidity 78 %
Evening
Overcast
14°
Feels like 14°
Wind↑ ENE 3 km/h
Humidity 86 %
💧 0.1 mm
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
11°
Feels like 11°
Wind↑ W 3 km/h
Humidity 94 %
Evening
Drizzle
14°
Feels like 14°
Wind↑ SW 2 km/h
Humidity 87 %
💧 0.2 mm
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Partly cloudy
12°
Feels like 12°
Wind↑ W 4 km/h
Humidity 90 %
Evening
Overcast
14°
Feels like 14°
Wind↑ E 2 km/h
Humidity 90 %
💧 0.1 mm
Ya'an forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +2.2° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Ya'an climate: what a normal year looks like
A normal year brings roughly 1,760 mm of rain — more than 83% of the towns of 20,000+ people we compared it with.
The hottest stretch is August, when afternoons average 27 °C; the coldest is January, when nights average 1 °C. Between those two months the average temperature changes by 20 °C.
Afternoons climb to 25 °C only in July and August, with a typical peak of 27 °C in August.
From 14 h 04 min of daylight in late June to 10 h 12 min in late December.
Forecast highs for the coming week average 17 °C, 1 °C cooler than a normal October (18 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
7 °C
2 °C
60 mm
Feb
10 °C
4 °C
65 mm
Mar
14 °C
7 °C
89 mm
Apr
19 °C
12 °C
117 mm
May
22 °C
16 °C
137 mm
Jun
25 °C
19 °C
179 mm
Jul
27 °C
21 °C
296 mm
Aug
27 °C
21 °C
337 mm
Sep
22 °C
18 °C
209 mm
Oct
18 °C
13 °C
131 mm
Nov
14 °C
9 °C
89 mm
Dec
9 °C
3 °C
57 mm
Whole year
18 °C
12 °C
1,760 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 29.99° N, 103.00° E, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in Ya'an: pollution and pollen
1/6
Good
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.59µg/m³
PM1010µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Ya'an
Rain observed over the last two hours by official weather radars around Ya'an, followed by the radar forecast for the next hour where the weather service provides one.
Rain radarLast two hours, then forecast where available · drag the timeline
No open weather radar covers Ya'an yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Ya'an
Waning gibbous
79 % illuminated · 19.3 days
Rise 18:50 Set 08:43
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Wed11/113%
Moonrise and moonset in local time (Asia/Shanghai); phase and lit fraction from a synodic calculation.
Look up a past day in Ya'an
Curious about the weather in Ya'an on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Ya'an weather at a glance
This page gathers everything about the weather in Ya'an, Sichuan: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “mainly clear”, it is 13 °C (feels like 13 °C) and the wind blows at 1 km/h.
Expected range today: 12 °C to 19 °C and a dry sky. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.
Use the Ya'an forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
