Thailand · 1991–2020 normal

Ban I Let in
December.

Typical December weather in Ban I Let: 30.2°C by day, 21.7°C at night, 269 mm of rain over 11.4 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high30.2°C
Typical low21.7°C
Rain269 mm
Wet days11.4

In the year-round weather comparison, December scores 27 out of 100 (February leads the year at 51). Daylight is calculated as 11 h 31 from latitude 10.38°. Open-water sea temperature is 27.8°C (15 km from the place centre).

December at a glance

What is Ban I Let like in December?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Ban I Let hot in December?

Days are typically hot at 30.2°C, while nights average 21.7°C.

Does it rain much?

The measured monthly average is 269 mm across about 11 wet days.

How much daylight is there?

There are about 11 h 31 between sunrise and sunset at mid-month, calculated from the place latitude.

Is December a good time to visit?

December ranks 5 of 12 in our weather comparison; February ranks first.

Event window

Warm sea in December

The nearest open-water NOAA OISST 1991–2020 cell averages 27.8°C in December. A sheltered bay can run warmer than that open-water cell.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 1157289
NOAA station
TH000048517 · CHUMPHON
Station distance
12.6 km from the place centre
Coverage
Good coverage · 21 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
Then plan the details.

The weather comparison for Ban I Let is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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