Nishihara Weather in May

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

Average highs run from 24°C on May 1 to 26°C on May 31, and lows from 22°C to 24°C. Normal precipitation for the month is 217 mm over about 19 wet days.

May day by day

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

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

May at a glance

Average high: 25°C
Average low: 23°C
Precipitation: 217 mm
Reanalysis high: 28°CMay 29, 2016
Reanalysis low: 17°CMay 2, 1991
Daylight: 13 h 09 min to 13 h 40 min
Cloud cover: 78%
Humidity: 83%
Dew point: 21°C
Wind: 19.8 km/h

Every day of the month

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

Date	Normal high	Normal low	Reanalysis high	Reanalysis low	Chance wet
May 1	24°C	22°C	26°C 1998	19°C 1991	54%
May 2	24°C	22°C	26°C 2002	17°C 1991	55%
May 3	24°C	22°C	26°C 2002	19°C 1991	56%
May 4	24°C	22°C	26°C 1998	19°C 1991	56%
May 5	24°C	22°C	26°C 1998	19°C 1994	54%
May 6	24°C	22°C	26°C 2005	20°C 2014	55%
May 7	24°C	23°C	26°C 2003	20°C 1995	54%
May 8	24°C	23°C	26°C 2002	21°C 1995	55%
May 9	24°C	23°C	27°C 1998	20°C 1997	56%
May 10	25°C	23°C	27°C 1998	21°C 1999	56%
May 11	25°C	23°C	27°C 1998	21°C 1993	58%
May 12	25°C	23°C	27°C 1998	21°C 2007	59%
May 13	25°C	23°C	27°C 1998	20°C 2011	58%
May 14	25°C	23°C	27°C 1998	20°C 2010	58%
May 15	25°C	23°C	27°C 2002	21°C 2011	58%
May 16	25°C	23°C	27°C 2004	21°C 2011	59%
May 17	25°C	23°C	27°C 1998	21°C 2011	59%
May 18	25°C	23°C	27°C 2004	21°C 1995	58%
May 19	25°C	24°C	27°C 2006	21°C 2020	57%
May 20	25°C	24°C	26°C 1998	21°C 2013	59%
May 21	25°C	24°C	27°C 2016	21°C 2020	61%
May 22	25°C	24°C	26°C 1993	21°C 2004	61%
May 23	25°C	24°C	27°C 1991	21°C 1997	62%
May 24	25°C	24°C	27°C 1993	21°C 1996	61%
May 25	25°C	24°C	27°C 1991	22°C 1997	61%
May 26	25°C	24°C	27°C 1991	21°C 2009	61%
May 27	25°C	24°C	27°C 1991	21°C 2009	62%
May 28	25°C	24°C	28°C 2016	21°C 1999	63%
May 29	26°C	24°C	28°C 2016	21°C 2006	64%
May 30	26°C	24°C	27°C 2016	22°C 2006	64%
May 31	26°C	24°C	27°C 2018	23°C 2011	65%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

May 1: sunrise 5:52 AM, sunset 7:01 PM
May 31: sunrise 5:37 AM, sunset 7:17 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.