Sekimachi-minami Weather in December
Average highs run from 13°C on December 1 to 9°C on December 31, and lows from 3°C to -1°C. Normal precipitation for the month is 59 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
- 1°C
- Precipitation
- 59 mm
- Record high
- 23°CDec 13, 1957
- Record low
- -8°CDec 30, 1949
- Daylight
- 9 h 55 min to 9 h 47 min
- Cloud cover
- 45%
- Humidity
- 79%
- Dew point
- 1°C
- Wind
- 13.0 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 | 13°C | 3°C | 20°C 2025 | -2°C 1956 | 27% |
| Dec 2 | 13°C | 3°C | 17°C 1953 | -3°C 1966 | 26% |
| Dec 3 | 12°C | 3°C | 19°C 1959 | -3°C 1964 | 26% |
| Dec 4 | 12°C | 3°C | 18°C 1958 | -2°C 2025 | 26% |
| Dec 5 | 12°C | 2°C | 17°C 1963 | -3°C 1964 | 26% |
| Dec 6 | 12°C | 2°C | 18°C 1955 | -2°C 1950 | 26% |
| Dec 7 | 12°C | 2°C | 16°C 2025 | -4°C 1965 | 26% |
| Dec 8 | 12°C | 2°C | 19°C 2025 | -4°C 1949 | 25% |
| Dec 9 | 11°C | 2°C | 19°C 1954 | -4°C 1967 | 24% |
| Dec 10 | 11°C | 1°C | 18°C 1960 | -3°C 1967 | 23% |
| Dec 11 | 11°C | 1°C | 16°C 1960 | -3°C 1956 | 22% |
| Dec 12 | 11°C | 1°C | 18°C 1965 | -4°C 1967 | 21% |
| Dec 13 | 11°C | 1°C | 23°C 1957 | -6°C 1964 | 20% |
| Dec 14 | 11°C | 1°C | 15°C 1959 | -4°C 1956 | 20% |
| Dec 15 | 10°C | 1°C | 16°C 1955 | -3°C 1956 | 20% |
| Dec 16 | 10°C | 1°C | 15°C 1955 | -3°C 1950 | 20% |
| Dec 17 | 10°C | 0°C | 19°C 1953 | -5°C 1965 | 20% |
| Dec 18 | 10°C | 0°C | 17°C 1963 | -6°C 1965 | 19% |
| Dec 19 | 10°C | 0°C | 16°C 1951 | -5°C 1956 | 18% |
| Dec 20 | 10°C | 0°C | 18°C 1954 | -3°C 1963 | 18% |
| Dec 21 | 10°C | 0°C | 18°C 1951 | -4°C 1956 | 18% |
| Dec 22 | 10°C | 0°C | 16°C 1954 | -4°C 1959 | 18% |
| Dec 23 | 10°C | 0°C | 15°C 1951 | -5°C 1956 | 18% |
| Dec 24 | 9°C | 0°C | 17°C 1963 | -4°C 1956 | 18% |
| Dec 25 | 9°C | -1°C | 15°C 1963 | -6°C 1967 | 17% |
| Dec 26 | 9°C | -1°C | 15°C 1953 | -7°C 1949 | 16% |
| Dec 27 | 9°C | -1°C | 17°C 1958 | -6°C 1950 | 16% |
| Dec 28 | 9°C | -1°C | 15°C 1959 | -7°C 1966 | 15% |
| Dec 29 | 9°C | -1°C | 17°C 1955 | -6°C 1950 | 15% |
| Dec 30 | 9°C | -1°C | 18°C 1955 | -8°C 1949 | 15% |
| Dec 31 | 9°C | -1°C | 16°C 1958 | -8°C 1967 | 15% |
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 4:28 PM
- December 31
- sunrise 6:51 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.