Tokorozawa climate

Tokorozawa Weather in January

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

Average highs run from 7°C on January 1 to 6°C on January 31, and lows from -2°C to -3°C. Normal precipitation for the month is 50 mm over about 6 wet days.

January day by day

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

Normal daily high and low temperature at Tokorozawa, in °C, with the record for each date.-1001020151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
7°C
Average low
-3°C
Precipitation
50 mm
Record high
19°CJan 5, 1960
Record low
-9°CJan 26, 1960
Daylight
9 h 47 min to 10 h 24 min
Cloud cover
50%
Humidity
76%
Dew point
-3°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
Jan 17°C-2°C15°C 1952-4°C 195814%
Jan 27°C-2°C17°C 1949-3°C 195115%
Jan 37°C-2°C17°C 1957-5°C 195315%
Jan 47°C-2°C12°C 1960-7°C 195813%
Jan 57°C-2°C19°C 1960-4°C 195113%
Jan 67°C-2°C12°C 1958-4°C 194913%
Jan 77°C-2°C13°C 1958-6°C 195913%
Jan 87°C-3°C14°C 1958-6°C 195014%
Jan 97°C-3°C16°C 1958-6°C 195715%
Jan 107°C-3°C17°C 1954-4°C 195616%
Jan 117°C-3°C16°C 2026-4°C 195616%
Jan 127°C-3°C11°C 1949-5°C 195917%
Jan 137°C-3°C16°C 2026-4°C 195217%
Jan 147°C-3°C12°C 2025-3°C 195118%
Jan 156°C-3°C15°C 1957-7°C 195119%
Jan 166°C-3°C18°C 2026-6°C 195618%
Jan 176°C-3°C16°C 1950-6°C 195518%
Jan 186°C-3°C13°C 2026-7°C 195918%
Jan 196°C-3°C12°C 2025-7°C 195919%
Jan 206°C-3°C15°C 1955-4°C 195919%
Jan 216°C-3°C13°C 1960-5°C 195120%
Jan 226°C-3°C14°C 1949-6°C 202620%
Jan 236°C-3°C16°C 1949-5°C 195120%
Jan 246°C-3°C14°C 1949-7°C 195819%
Jan 256°C-3°C16°C 1959-5°C 195819%
Jan 266°C-3°C13°C 1957-9°C 196019%
Jan 276°C-3°C18°C 1957-8°C 195418%
Jan 286°C-3°C13°C 2025-7°C 195418%
Jan 296°C-3°C15°C 1949-6°C 195416%
Jan 306°C-3°C19°C 1949-7°C 195416%
Jan 316°C-3°C19°C 1950-5°C 195316%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Tokorozawa, in percent.051015201102030
  • Chance of a wet day

Sunrise and sunset

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

January 1
sunrise 6:52 AM, sunset 4:39 PM
January 31
sunrise 6:44 AM, sunset 5:08 PM

Every day of January: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station JAW00043309, 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.