How extreme does Muang Phônsavan's weather get?

The hottest, coldest, wettest and snowiest days Muang Phônsavan has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 23 years of daily weather observations (2002–present), from the Plaine Des Jarres (Xiengkhouang) station 6 km away. Updated through August 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Muang Phônsavan has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day

103°F May 24, 2009

The three most extreme on record

1 103°F May 24, 2009

2 103°F Aug 18, 2023

3 101°F Apr 14, 2018

❄️ Coldest night

28°F Jan 23, 2014

The three most extreme on record

1 28°F Jan 23, 2014

2 30°F Dec 10, 2019

3 31°F Jan 3, 2008

🌧️ Most rain in one day

5.75 in Jun 14, 2021

The three most extreme on record

1 5.75 in Jun 14, 2021recent

2 5.43 in Jun 26, 2011

3 5.41 in Jul 6, 2024

In plain terms

Across the record, Muang Phônsavan has reached as high as 103°F and as low as 28°F. A single day has delivered over 6 inches of rain. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Wattay Intl, a weather station, about 175 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →

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