Si Songkhram Weather in December
What's the weather like in Si Songkhram (Nakhon Phanom) in December 2025?
The climate in Si Songkhram during December can be summarized as warm and very dry.
December is in the winter in Si Songkhram and is typically the coldest month of the year. Daytime maximum temperatures average around a comfortable 28°C (83°F), whilst at night 15°C (60°F) is normal.
| Daytime temperature | 28.3°C 82.9°F |
|---|---|
| Nightly temperature | 15.3°C 59.5°F |
| Average temperature | 21.8°C 71.2°F |
| Daily sunshine | 9.1 hrs |
| Avg rainfall | 3 mm 0.1 ins |
| Rainy days | 1 days |
| Sea temperature | 24.9°C 76.9°F |
| Humidity | 68% |
| Windspeed | 5kph 3 mph |
On average December is the driest month of the year in Si Songkhram with around 3mm 0.1 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 9.1 hours of sunshine per day.
December temperatures in Si Songkhram
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Si Songkhram in December 2025.
Other monthly averages
Best places to visit in December
Si Songkhram weather stats
| Hottest month: | April | 34.3°C 93.7°F |
|---|---|---|
| Driest month: | December | 3mm 0.1ins |
| Sunniest month: | December | 9.1hrs |
| Coldest month: | December | 28°C 82.4°F |
| Wettest month: | August | 467mm 18.4ins |
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