Higashiyamato Weather in December
Average highs run from 12°C on December 1 to 8°C on December 31, and lows from 2°C to -2°C. Normal precipitation for the month is 47 mm over about 6 wet days.
December day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
December at a glance
- Average high
- 10°C
- Average low
- 0°C
- Precipitation
- 47 mm
- Record high
- 23°CDec 13, 1957
- Record low
- -8°CDec 30, 1949
- Daylight
- 9 h 56 min to 9 h 46 min
- Cloud cover
- 49%
- Humidity
- 78%
- Dew point
- 0°C
- Wind
- 11.2 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 12°C | 2°C | 20°C 2025 | -2°C 1956 | 22% |
| Dec 2 | 12°C | 2°C | 17°C 1953 | -3°C 1966 | 22% |
| Dec 3 | 12°C | 1°C | 19°C 1959 | -3°C 1964 | 21% |
| Dec 4 | 12°C | 1°C | 18°C 1958 | -2°C 2025 | 21% |
| Dec 5 | 11°C | 1°C | 17°C 1963 | -3°C 1964 | 21% |
| Dec 6 | 11°C | 1°C | 18°C 1955 | -2°C 1950 | 22% |
| Dec 7 | 11°C | 1°C | 16°C 2025 | -4°C 1965 | 21% |
| Dec 8 | 11°C | 1°C | 19°C 2025 | -4°C 1949 | 20% |
| Dec 9 | 11°C | 0°C | 19°C 1954 | -4°C 1967 | 19% |
| Dec 10 | 10°C | 0°C | 18°C 1960 | -3°C 1967 | 19% |
| Dec 11 | 10°C | 0°C | 16°C 1960 | -3°C 1956 | 19% |
| Dec 12 | 10°C | 0°C | 18°C 1965 | -4°C 1967 | 18% |
| Dec 13 | 10°C | 0°C | 23°C 1957 | -6°C 1964 | 17% |
| Dec 14 | 10°C | 0°C | 15°C 1959 | -4°C 1956 | 17% |
| Dec 15 | 10°C | 0°C | 16°C 1955 | -3°C 1956 | 17% |
| Dec 16 | 10°C | -1°C | 15°C 1955 | -3°C 1950 | 17% |
| Dec 17 | 9°C | -1°C | 19°C 1953 | -5°C 1965 | 16% |
| Dec 18 | 9°C | -1°C | 17°C 1963 | -6°C 1965 | 16% |
| Dec 19 | 9°C | -1°C | 16°C 1951 | -5°C 1956 | 15% |
| Dec 20 | 9°C | -1°C | 18°C 1954 | -3°C 1963 | 16% |
| Dec 21 | 9°C | -1°C | 18°C 1951 | -4°C 1956 | 15% |
| Dec 22 | 9°C | -1°C | 16°C 1954 | -4°C 1959 | 15% |
| Dec 23 | 9°C | -1°C | 15°C 1951 | -5°C 1956 | 16% |
| Dec 24 | 8°C | -1°C | 17°C 1963 | -4°C 1956 | 16% |
| Dec 25 | 8°C | -2°C | 15°C 1963 | -6°C 1967 | 14% |
| Dec 26 | 8°C | -2°C | 15°C 1953 | -7°C 1949 | 14% |
| Dec 27 | 8°C | -2°C | 17°C 1958 | -6°C 1950 | 14% |
| Dec 28 | 8°C | -2°C | 15°C 1959 | -7°C 1966 | 13% |
| Dec 29 | 8°C | -2°C | 17°C 1955 | -6°C 1950 | 13% |
| Dec 30 | 8°C | -2°C | 18°C 1955 | -8°C 1949 | 13% |
| Dec 31 | 8°C | -2°C | 16°C 1958 | -8°C 1967 | 13% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+9).
- December 1
- sunrise 6:33 AM, sunset 4:29 PM
- December 31
- sunrise 6:52 AM, sunset 4:38 PM
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.