Ulan Bator in May

6.9out of 10

Possible, with caveats

Cool: highs only around 15°C. Some rain: about 7 rainy days.

15°CAvg high
2°CAvg low
7Rainy days (34 mm)
14:57 hDaylight
05:20Sunrise · 20:17 Sunset

Why this score

  • Cool: highs only around 15°C
  • Some rain: about 7 rainy days

What to wear and pack

  • Layers you can add or remove
  • Gloves for freezing mornings
  • Comfortable walking shoes

How reliable is the forecast?

Rainfall in May is fairly consistent from year to year (2.4 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-17° -29° J -11° -25° F -2° -16° M 8° -5° A 15° 2° M 20° 8° J 22° 11° J 20° 9° A 14° 2° S 5° -7° O -7° -18° N -15° -26° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -17°C-29°C1 mm 1– – 5.0
February -11°C-25°C3 mm 1– – 5.0
March -2°C-16°C7 mm 2– – 4.8
April 8°C-5°C16 mm 5– – 5.7
May 15°C2°C34 mm 7– – 6.9
June 20°C8°C55 mm 10– – 7.5
July 22°C11°C67 mm 11– – 7.6
August 20°C9°C67 mm 11– – 7.4
September 14°C2°C39 mm 8– – 6.8
October 5°C-7°C15 mm 4– – 5.3
November -7°C-18°C6 mm 2– – 4.8
December -15°C-26°C2 mm 1– – 5.0

Frequently asked questions

How hot is Ulan Bator in May?

Daytime highs average 15°C and nights about 2°C.

When is the best time to visit Ulan Bator?

The best months are July, June, August.