Plumbon weather in January

In January, Plumbon has daytime highs averaging 29 °C, nights around 24 °C, with 29 wet days, and a sea temperature of 29 °C. Figures are 1991–2020 climate normals.

  1. Jan 26°
  2. Feb 26°
  3. Mar 26°
  4. Apr 26°
  5. May 27°
  6. Jun 27°
  7. Jul 27°
  8. Aug 27°
  9. Sep 27°
  10. Oct 28°
  11. Nov 27°
  12. Dec 26°

Daily temperatures through January

21°27°32°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 29.0 °C and lows bottom out at 23.7 °C.

How January develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 January28.7 °C23.9 °C93 %
11–20 January28.7 °C23.9 °C94 %
21–31 January28.4 °C23.9 °C97 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in January. Wettest date over the 30 years: January 26, at 100 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical January Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 2.7 of 31 9 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 29 of 31 95 %

Conditions in January

MeasureAverage
Mean temperature 26 °C
Record high (1991–2020) 31 °C
Record low (1991–2020) 22 °C
Relative humidity 87 %
Wind speed 14 km/h
Cloud cover 91 %

Where Plumbon ranks in January

RankingPositionValue
Warmest sea temperatures in Asia in January34thof 5029 °C
Warmest sea temperatures in the world in January49thof 5029 °C

January compared with the months around it

Month Avg high Rainfall Cloud
January 28.6 °C 350 mm 91 %
February 28.5 °C 332 mm 92 %
March 29.0 °C 324 mm 86 %
November 30.3 °C 230 mm 82 %
December 29.2 °C 362 mm 90 %

See all twelve months for Plumbon

Nearby destinations in January

Destination Avg high Wet days Sea
Plumbon 29 °C 29 29
Cirebon 29 °C 29 29
Sumedang 27 °C 30
Tasikmalaya 28 °C 30
Tegal 29 °C 30 29
Lembang 22 °C 29
Bandung 26 °C 29

QuestionsJanuary in Plumbon, answered

How warm is Plumbon in January?

Daily highs average 29 °C and nights fall to about 24 °C, a spread of 4.7 °C between afternoon and dawn. That makes January the 11th warmest month of the year here.

Does it rain much in Plumbon in January?

January averages 350 mm of rain, spread over about 29 of the 31 days — 95 % of the month. Cloud cover averages 91 % of the sky.

Is the sea warm enough to swim in January?

The sea averages 29 °C off Plumbon in January. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in January?

Plumbon averages 12 hours between sunrise and sunset in January. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.