Climate averages 1991–2020
Ann weather
in December.
A hot, very dry month: the 8th warmest and the 4th 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 Ann: daytime highs average 29.0°C and nights cool to about 16.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 10 mm of rain on fewer than one day, which makes December a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 58 min on an average December day.
The nearest other city in this atlas is Kyaukpyu (66 km away). In December its highs average 27.1°C, 2.0°C cooler than Ann, with 16 mm of rain.
Among the 49 cities listed in Myanmar, Ann ranks joint 17th of 49 for the warmest December highs and joint 31st of 49 for the driest December (rainfall, lowest first). The mean December high of those 49 cities is 27.1°C; Ann is 1.9°C warmer than that mean.
From December to January, average highs fall by 0.2°C to 28.8°C, and monthly rainfall falls from 10 mm to 5.5 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
Ann climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.8°C14.4°C | 14.4°C | 5.5 | 0.6 | 11.111 h |
| February | 31.1°C16.0°C | 16.0°C | 3.5 | 0.4 | 11.511 h |
| March | 33.5°C19.7°C | 19.7°C | 5.9 | 1.2 | 12.012 h |
| April | 34.2°C23.2°C | 23.2°C | 23 | 4.3 | 12.613 h |
| May | 31.8°C24.6°C | 24.6°C | 271 | 21.5 | 13.113 h |
| June | 28.7°C24.4°C | 24.4°C | 764 | 29.5 | 13.313 h |
| July | 27.8°C24.1°C | 24.1°C | 761 | 30.7 | 13.213 h |
| August | 27.9°C24.0°C | 24.0°C | 637 | 30.7 | 12.813 h |
| September | 29.1°C23.8°C | 23.8°C | 422 | 28.7 | 12.312 h |
| October | 30.1°C22.9°C | 22.9°C | 185 | 20.8 | 11.712 h |
| November | 30.1°C20.0°C | 20.0°C | 35 | 4.3 | 11.211 h |
| December, selected | 29.0°C16.6°C | 16.6°C | 10 | 0.8 | 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
- Kyaukpyu in DecemberMyanmar · 66 kmHigh 27.1°C · Low 21.7°C · 16 mm rain
- Magway in DecemberMyanmar · 100 kmHigh 27.7°C · Low 17.0°C · 8.1 mm rain
- Yenangyaung in DecemberMyanmar · 114 kmHigh 27.9°C · Low 17.3°C · 7.3 mm rain
- Sittwe in DecemberMyanmar · 126 kmHigh 26.6°C · Low 19.5°C · 12 mm rain
- Thayetmyo in DecemberMyanmar · 130 kmHigh 28.7°C · Low 18.2°C · 5.8 mm rain
- Chauk in DecemberMyanmar · 147 kmHigh 27.3°C · Low 17.6°C · 6.6 mm rain
- Thandwe in DecemberMyanmar · 152 kmHigh 28.9°C · Low 19.2°C · 10 mm rain
- Taungdwingyi in DecemberMyanmar · 158 kmHigh 28.1°C · Low 16.5°C · 7.1 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 Ann) is explained once on the Ann year overview and on the Sources, method and limits page.