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Xintai weather by month: averages, rainfall & climate trends

Xintai swings through a wide annual range, with 28.0°C between the monthly means of its warmest and coldest months. Most of the year's rain is packed into the months from June to September. Xintai weather by month: average temperatures, rainfall, extremes and how the climate has changed since 1940.

Today vs average

−3.3°Chigh well below average

15° / 3°Today
19° / 9°Average
see today in detail →

How it's changed

+1.1°Caverage temperature, 2016–2025 vs 1940–1949average temperature vs 1940–4987frost days a year now (2016–2025) · 104 in the 1940sfrost days a year · 104 in the 1940s64days above 30°C a year now (2016–2025) · 54 in the 1940sdays above 30°C · 54 in the 1940s+1.1°C vs the 1940s · see how it's changed →
Weather by montha typical year, averaged over the full recordJanuary, rain 11 mmhigh 3°low −7°February, rain 16 mmhigh 5°low −4°March, rain 25 mmhigh 12°low 2°April, rain 46 mmhigh 19°low 9°May, rain 58 mmhigh 25°low 14°June, rain 94 mmhigh 29°low 19°July, rain 217 mmhigh 30°low 23°August, rain 160 mmhigh 29°low 22°September, rain 76 mmhigh 25°low 16°October, rain 38 mmhigh 19°low 10°November, rain 25 mmhigh 12°low 2°December, rain 12 mmhigh 5°low −4°wettest month July, 217 mm · 779 mm a yearsee month by month →

Right now

What it's doing today vs the historical average for this date.
Mostly clear

Right now

4.1°

1°feels like
70%humidity
−1°dew point
3 km/hfrom E
UV index0.0
sunrise06:21sunset17:25day length11h 03m
ThuPartly cloudy15°3°
FriPartly cloudy17°10°
SatPartly cloudy20°9°
SunClear22°10°
MonOvercast16°10°
TueClear15°4°
WedClear16°1°

On this date: October 21

Today (forecast)
15° / 3°
Average for October 21
19° / 9°

High well below average · −3.3°C

  • Highest since 1940: 25.0° · 1997
  • Lowest since 1940: 0.3° · 1972
  • One year ago: 13° / 3°

Every October 21 in history, coldest to hottest

▲ Daily highs▼ Daily lows

Dots show daily highs (top) and lows (bottom) for each October 21 on record (n = 87). Outlined dots are today's forecast.

Area we sample

Each city's history comes from one ERA5 grid cell, about 28 km across, shown by the dashed box. Near mountains or coasts, conditions can vary across the cell.

Location & data

Historical weather for Xintai is sampled from the ECMWF ERA5 reanalysis at 35.90°N, 117.75°E, with daily records since 1940.

Coordinates
35.90°N, 117.75°E
Time zone
Asia/Shanghai
Period
1940–2026
Data source
ERA5 (ECMWF)

Last 30 days

24 of the last 31 days were warmer than the historical average for that date. Average difference: +1.8°C.

Each bar is one day, from morning low to afternoon high. Warm-colored bars are days whose mean ran above average; cool bars ran below. The dot inside the bar is the daily mean. The shaded band is the typical 10–90% range expected for that date. Average = the day's mean temperature averaged across every year of record (1940–2026) for that calendar date.

This date over the years

One dot per year, showing the mean temperature on this calendar date. Dots are warmer or cooler than the long-term average (dashed line); the shaded band is the typical 10–90% range, and the highlighted dot is today's forecast. Based on ERA5 reanalysis: modelled estimates, not station readings.

Weather by month

Average temperatures and rainfall for each month: a typical year, from the full record.

Climate overview

July brings the year's peak warmth, with afternoons typically reaching 29.8°C and nights around 22.6°C. Roughly 65 days a year now top 30°C. The coolest month is January, when afternoons reach about 2.7°C and overnight lows sit around −6.6°C. Frost shows up on around 85 mornings a year.

Xintai picks up roughly 779 mm a year, with a peak of 217 mm in July and as little as 11 mm in January.

The record here starts in 1940, and since then the annual mean in Xintai has climbed 1.1°C from the first ten years to the last ten. That last decade has also been the warmest in the record.

Climate graph (climograph)

July is the warmest month, January the coolest: a yearly swing of 28°C. Wettest month: July (~217 mm). Whole year averages ~779 mm of rain.

Bars = average monthly rainfall (right axis). Lines = average daily high and low (left axis). Average = each month's value averaged across every year of record (1940–2026).

Rainy days by month

About 63 rainy days a year: most in July (~13), fewest in January (~1).

Bars = average number of days with ≥ 2 mm per month. Hover for the monthly rainfall total.

Monthly wind

Average daily peak wind at 10 m, by month.

Monthly solar energy

Average daily incoming solar energy in megajoules per square metre: the record's own proxy for how sunny the month is.

Xintai month by month: what to expect

Typical conditions for each month, averaged across the full record (since 1940). Daylight is the time from sunrise to sunset. Highest and Lowest are the most extreme values in the ERA5 dataset (modelled since 1940), so they can differ from official weather-station readings.

MonthAvg highAvg lowRainRainy daysDaylightHighestLowest
January2.7°−6.6°11 mm19.8 h16.5° (2002)−23.0° (1955)
February5.5°−3.8°16 mm210.7 h22.4° (2021)−22.1° (1979)
March11.9°1.9°25 mm311.7 h27.1° (2023)−10.2° (1971)
April19.0°8.6°46 mm512.9 h33.2° (1946)−3.4° (1962)
May24.6°14.2°58 mm513.9 h36.9° (1974)3.4° (1961)
June28.7°19.0°94 mm714.4 h39.0° (1942)10.6° (1987)
July29.8°22.6°217 mm1314.2 h39.9° (2002)12.0° (1976)
August29.2°21.8°160 mm1113.4 h36.8° (1959)11.7° (2009)
September25.1°16.2°76 mm612.2 h36.2° (2002)4.5° (1968)
October19.3°9.6°38 mm411.1 h31.6° (1998)−2.2° (1974)
November11.5°2.3°25 mm310.1 h27.8° (2023)−12.0° (1951)
December4.6°−4.1°12 mm29.6 h19.7° (2023)−20.3° (1985)

How it's changed

Year-by-year signals from 1940 to today.

Climate stripes

Annual mean shifted from 1940–1949 to 2016–2025 by +1.1°C.

Each vertical stripe is one year. Color encodes how much that year's annual mean differed from the long-term average. Average = each year's annual mean compared to the average of all years (1940–2026). cooler ← → warmer

Annual mean temperature

Long-term trend: +0.19°C per decade.

One point per year, showing the temperature averaged across the whole year. The dashed line is the least-squares long-term trend. Based on ERA5 reanalysis: modelled estimates, not station readings.

Seasonal warming

Dec–Feb is warming fastest: +0.29°C per decade.

Each faint line is one three-month period's average per year; the bold dashed line is its long-term trend. Different parts of the year often warm at different rates. Based on ERA5 reanalysis: modelled estimates, not station readings.

Hot days vs frost days

Days ≥ 30°C per year: 53.7 early in the record → 63.6 recently. Frost days: 104 → 87.

Thin lines are raw yearly counts; thick lines are the smoothed trend that removes year-to-year noise. The hot-day threshold is auto-picked per city so the line actually moves. Average = a centered 5-year rolling average to smooth weather noise.

Yearly hot & cold extremes

Hottest day since 1940 in 2002, coldest in 1955: 39.9°C / −23.0°C.

One point per year: the single hottest and coldest day recorded that year.

Annual rainfall

~779 mm/year on average. Last decade: −10% vs that average. Long-term trend: −26 mm per decade.

One bar per year of total rainfall. Dashed line is the long-term average. Average = the average annual rainfall across every year of record (1940–2026).

Day-by-day grid

Each tiny square is one calendar day across the full record, about 30,000 days per city. Use the mode switch above the chart: Anomaly colors each day by how far it ran from the historical average for that date (red = warmer, blue = cooler), Daily mean temp shows the absolute mean temperature for the day (useful to see seasons and heatwaves), and Precipitation shows daily rainfall (useful to spot wet/dry seasons and droughts). Average = the long-term average for that calendar date (1940–2026).

Frequently asked questions about Xintai

Which is the warmest month in Xintai?
On long-term average, the warmest month in Xintai is July (mean daily temperature of about 26.0°C) and the coolest is January (about −2.0°C).
How does today's temperature in Xintai compare to the historical average?
On October 21, 2026, Xintai is forecast to reach a high of 15.2°C and a low of 2.9°C. The long-term average for this date (the full record since 1940) is a high of 18.5°C and a low of 8.7°C, so today's high is 3.3°C cooler than that average.
How much has Xintai warmed since 1940?
Comparing the first decade of the record (1940–1949) with the most recent (2016–2025), the annual mean temperature in Xintai is about 1.1°C warmer.
How much does it rain in Xintai?
Xintai receives about 779 mm of precipitation per year on long-term average, with July typically the wettest month.
What is the average temperature in Xintai?
Over the full record (since 1940), the annual mean temperature in Xintai is about 12.9°C. The warmest month is July and the coolest is January.
What are the average temperatures in Xintai by month?
Average daily highs and lows for each month in Xintai (°C, full record since 1940): January 3°/−7°, February 5°/−4°, March 12°/2°, April 19°/9°, May 25°/14°, June 29°/19°, July 30°/23°, August 29°/22°, September 25°/16°, October 19°/10°, November 12°/2°, December 5°/−4°.
What is the weather like in Xintai in summer?
June to August is summer in Xintai, and it is wet and warm. Daytime highs sit at 29–30°C and nights at 19–23°C; July is the warmest month. Rain picks up through the season: 7 rainy days and 94 mm in June, 11 days and 160 mm in August. It is the wettest season of the year.
What is the weather like in Xintai in winter?
December to February is winter in Xintai, and it is dry and cold. Afternoons run 3–5°C and nights −7 to −4°C; January is the coldest month. Rain and snow fall on about 2 days a month, adding up to around 13 mm. It is the driest season of the year.
What is the weather like in Xintai in spring?
Spring in Xintai (March to May) is mild. March starts at 12°C by day and 2°C at night; by May it is 25°C and 14°C. Rain picks up through the season: 3 rainy days and 25 mm in March, 5 days and 58 mm in May.
What is the weather like in Xintai in autumn?
September to November is autumn in Xintai, and it is mild. It cools from 25°C by day and 16°C at night in September to 12°C and 2°C in November. Rain eases through the season: 6 rainy days and 76 mm in September, 3 days and 25 mm in November.
How many days a year does it rain in Xintai?
On long-term average, Xintai has about 63 days a year with at least 2 mm of rain or snow. The annual total is roughly 779 mm.

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