Climate averages 1991–2020
Thayetmyo weather
in December.
A hot, very dry month: the coolest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Thayetmyo: daytime highs average 28.7°C and nights cool to about 18.2°C. By daytime temperature it is the coolest month of the year.
Expect about 5.8 mm of rain on fewer than one day, which makes December a very dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 59 min on an average December day.
The nearest other city in this atlas is Pyay (56 km away). In December its highs average 28.5°C, about as warm as Thayetmyo, with 4.1 mm of rain.
Among the 49 cities listed in Myanmar, Thayetmyo ranks 21st of 49 for the warmest December highs and joint 12th of 49 for the driest December (rainfall, lowest first). The mean December high of those 49 cities is 27.1°C; Thayetmyo is 1.5°C warmer than that mean.
From December to January, average highs rise by 0.5°C to 29.2°C, and monthly rainfall rises from 5.8 mm to 7.1 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Thayetmyo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C16.6°C | 16.6°C | 7.1 | 0.6 | 11.111 h |
| February | 32.6°C18.4°C | 18.4°C | 0.4 | 0.1 | 11.512 h |
| March | 36.3°C21.5°C | 21.5°C | 3.9 | 0.9 | 12.012 h |
| April | 38.1°C25.1°C | 25.1°C | 18 | 2.2 | 12.613 h |
| May | 35.0°C26.1°C | 26.1°C | 133 | 16.7 | 13.013 h |
| June | 30.4°C25.0°C | 25.0°C | 313 | 27.6 | 13.313 h |
| July | 29.5°C24.6°C | 24.6°C | 310 | 29.6 | 13.213 h |
| August | 29.4°C24.5°C | 24.5°C | 277 | 28.9 | 12.813 h |
| September | 30.1°C24.4°C | 24.4°C | 228 | 26.0 | 12.312 h |
| October | 30.5°C23.9°C | 23.9°C | 129 | 18.4 | 11.712 h |
| November | 29.9°C21.5°C | 21.5°C | 27 | 4.5 | 11.211 h |
| December, selected | 28.7°C18.2°C | 18.2°C | 5.8 | 0.9 | 11.011 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Pyay in DecemberMyanmar · 56 kmHigh 28.5°C · Low 18.7°C · 4.1 mm rain
- Taungdwingyi in DecemberMyanmar · 85 kmHigh 28.1°C · Low 16.5°C · 7.1 mm rain
- Magway in DecemberMyanmar · 96 kmHigh 27.7°C · Low 17.0°C · 8.1 mm rain
- Nay Pyi Taw in DecemberMyanmar · 110 kmHigh 28.5°C · Low 16.2°C · 8.3 mm rain
- Pyinmana in DecemberMyanmar · 117 kmHigh 28.8°C · Low 15.9°C · 8.3 mm rain
- Thandwe in DecemberMyanmar · 128 kmHigh 28.9°C · Low 19.2°C · 10 mm rain
- Ann in DecemberMyanmar · 130 kmHigh 29.0°C · Low 16.6°C · 10 mm rain
- Yenangyaung in DecemberMyanmar · 131 kmHigh 27.9°C · Low 17.3°C · 7.3 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Thayetmyo) is explained once on the Thayetmyo year overview and on the Sources, method and limits page.