Helong in May

6.3out of 10

Possible, with caveats

Mild: highs around 18°C. Very wet: about 16 rainy days.

18°CAvg high
6°CAvg low
16Rainy days (99 mm)
14:25 hDaylight
04:08Sunrise · 18:33 Sunset

Why this score

  • Mild: highs around 18°C
  • Very wet: about 16 rainy days

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rainfall in May is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-9° -21° J -5° -17° F 2° -9° M 12° 0° A 18° 6° M 22° 12° J 25° 16° J 24° 15° A 20° 8° S 12° 0° O 2° -9° N -7° -18° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -9°C-21°C8 mm 2– – 4.9
February -5°C-17°C14 mm 3– – 4.7
March 2°C-9°C27 mm 6– – 4.3
April 12°C0°C55 mm 10– – 5.9
May 18°C6°C99 mm 16– – 6.3
June 22°C12°C127 mm 17– – 6.6
July 25°C16°C180 mm 18– – 6.3
August 24°C15°C159 mm 16– – 6.5
September 20°C8°C75 mm 9– – 7.5
October 12°C0°C38 mm 8– – 6.3
November 2°C-9°C28 mm 6– – 4.3
December -7°C-18°C11 mm 3– – 4.6

Frequently asked questions

How hot is Helong in May?

Daytime highs average 18°C and nights about 6°C.

When is the best time to visit Helong?

The best months are September.