Hongwŏn climate

Hongwŏn Weather in May

NASA POWER reanalysis for the half-degree grid cell around Hongwŏn, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 16°C on May 1 to 21°C on May 31, and lows from 8°C to 13°C. Normal precipitation for the month is 71 mm over about 6 wet days.

May day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Hongwŏn, in °C, with the record for each date.0102030151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
18°C
Average low
11°C
Precipitation
71 mm
Reanalysis high
29°CMay 19, 2017
Reanalysis low
3°CMay 7, 2005
Daylight
13 h 53 min to 14 h 48 min
Cloud cover
66%
Humidity
68%
Dew point
8°C
Wind
13.3 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
May 116°C8°C23°C 20203°C 199123%
May 216°C8°C25°C 20204°C 201824%
May 316°C8°C24°C 20084°C 199124%
May 417°C8°C23°C 20094°C 199523%
May 517°C9°C22°C 20194°C 201424%
May 617°C9°C22°C 19994°C 200525%
May 717°C9°C23°C 20093°C 200525%
May 817°C9°C23°C 20005°C 200324%
May 917°C9°C22°C 20135°C 199625%
May 1017°C9°C22°C 20205°C 200525%
May 1117°C10°C23°C 20175°C 201026%
May 1218°C10°C25°C 19995°C 201026%
May 1318°C10°C25°C 20016°C 201027%
May 1418°C10°C24°C 20017°C 200826%
May 1518°C10°C24°C 19967°C 201125%
May 1618°C11°C24°C 19966°C 201125%
May 1719°C11°C25°C 20017°C 199427%
May 1819°C11°C24°C 20178°C 199427%
May 1919°C11°C29°C 20176°C 199427%
May 2019°C11°C28°C 20018°C 199726%
May 2119°C12°C26°C 20028°C 201126%
May 2220°C12°C26°C 19998°C 201127%
May 2320°C12°C25°C 20199°C 201826%
May 2420°C12°C27°C 20198°C 199725%
May 2520°C12°C27°C 20197°C 199224%
May 2620°C13°C27°C 20159°C 199124%
May 2720°C13°C25°C 20149°C 201024%
May 2821°C13°C25°C 20018°C 199924%
May 2921°C13°C27°C 201411°C 201024%
May 3021°C13°C25°C 200610°C 199524%
May 3121°C13°C28°C 20149°C 200924%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Hongwŏn, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+9).

May 1
sunrise 5:29 AM, sunset 7:22 PM
May 31
sunrise 5:02 AM, sunset 7:50 PM

Every day of May: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.