Nishi-Tokyo-shi climate

Nishi-Tokyo-shi Weather in August

NASA POWER reanalysis for the half-degree grid cell around Nishi-Tokyo-shi, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 30°C on August 1 to 29°C on August 31, and lows from 22°C to 21°C. Normal precipitation for the month is 146 mm over about 16 wet days.

August day by day

The normal high and low for each date, and the record, in °C.

Normal daily high and low temperature at Nishi-Tokyo-shi, in °C, with the record for each date.152025303540151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
30°C
Average low
22°C
Precipitation
146 mm
Record high
39°CAug 5, 2025
Record low
16°CAug 27, 1953
Daylight
13 h 58 min to 12 h 58 min
Cloud cover
64%
Humidity
82%
Dew point
22°C
Wind
12.2 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowRecord highRecord lowChance wet
Aug 130°C22°C35°C 195519°C 196647%
Aug 230°C22°C36°C 195318°C 196647%
Aug 330°C22°C37°C 202520°C 195146%
Aug 430°C22°C37°C 202519°C 195146%
Aug 530°C22°C39°C 202519°C 196147%
Aug 630°C22°C37°C 202519°C 196148%
Aug 730°C22°C34°C 195620°C 195847%
Aug 830°C22°C37°C 196619°C 195847%
Aug 930°C22°C37°C 196219°C 195848%
Aug 1030°C22°C36°C 195119°C 195848%
Aug 1130°C22°C34°C 194918°C 195950%
Aug 1230°C22°C35°C 196318°C 195951%
Aug 1330°C22°C34°C 196321°C 195850%
Aug 1430°C22°C33°C 196218°C 196050%
Aug 1530°C22°C35°C 202518°C 196050%
Aug 1630°C22°C34°C 196418°C 196050%
Aug 1730°C22°C36°C 202519°C 196051%
Aug 1830°C22°C37°C 202517°C 196051%
Aug 1930°C22°C36°C 202518°C 195651%
Aug 2030°C22°C36°C 202516°C 195650%
Aug 2130°C22°C36°C 202517°C 195649%
Aug 2230°C22°C35°C 202517°C 195648%
Aug 2330°C22°C36°C 202517°C 195649%
Aug 2430°C22°C37°C 202518°C 194949%
Aug 2530°C22°C35°C 202516°C 195349%
Aug 2630°C22°C35°C 202516°C 195348%
Aug 2730°C21°C36°C 202516°C 195348%
Aug 2829°C21°C34°C 195916°C 195350%
Aug 2929°C21°C37°C 196716°C 195648%
Aug 3029°C21°C32°C 195918°C 195348%
Aug 3129°C21°C33°C 196017°C 196149%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Nishi-Tokyo-shi, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+9).

August 1
sunrise 4:49 AM, sunset 6:47 PM
August 31
sunrise 5:13 AM, sunset 6:11 PM

Every day of August: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station JAW00043313, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.