Shanghai ↔ Los Angeles — Interactive Weather Comparison

Introduction — purpose & audience

Who this is for

Students preparing to study abroad, travelers choosing the best season to visit, teachers demonstrating comparative climates, and urban planners needing a quick seasonal contrast between Shanghai (Hongqiao) and Los Angeles (LAX/Downtown).

Purpose & how to use

Hover to highlight rows, click a month name to generate a summary, and try the walkthroughs for guided analyses. Data are station normals (monthly averages).

Core Dataset — Monthly Comparison (chronological: Jan → Dec)

Monthly normals (station) for Shanghai (Hongqiao) and Los Angeles (LAX). Temperatures are monthly mean (°C); precipitation is monthly total (mm).

Monthly mean temperature and precipitation for Shanghai (Hongqiao) and Los Angeles (LAX) — station normals.
Month	Shanghai Mean Temp (°C)	Shanghai Precipitation (mm)	Los Angeles Mean Temp (°C)	Los Angeles Precipitation (mm)
January	3.9	40.6	13.9	68.6
February	6.1	61.0	14.4	86.4
March	10.6	88.9	14.4	55.9
April	16.7	88.9	15.6	20.3
May	21.7	101.6	17.2	5.1
June	25.0	180.3	18.3	2.5
July	29.4	152.4	20.0	0.0
August	28.3	124.5	20.6	0.0
September	23.9	99.1	20.6	5.1
October	18.9	58.4	18.9	12.7
November	12.2	48.3	16.1	25.4
December	6.1	33.0	13.9	55.9

Notes

Monthly normals (mean temp and monthly total precipitation) are station-based monthly normals converted to the page units (°C and mm). If you'd like official NOAA NCEI 1991–2020 normals for LAX or a different China station period, I can swap to those exact datasets.