Blenheim climate

Blenheim Weather in July

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

Average highs run from 9°C on July 1 to 10°C on July 31, and lows from 3°C to 3°C. Normal precipitation for the month is 81 mm over about 12 wet days.

July day by day

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

Normal daily high and low temperature at Blenheim, in °C, with the record for each date.-5051015151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

July at a glance

Average high
9°C
Average low
3°C
Precipitation
81 mm
Reanalysis high
14°CJul 2, 1998
Reanalysis low
-3°CJul 26, 2011
Daylight
9 h 12 min to 9 h 54 min
Cloud cover
63%
Humidity
90%
Dew point
4°C
Wind
12.2 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
Jul 19°C3°C14°C 1998-1°C 199240%
Jul 29°C3°C14°C 1998-1°C 200140%
Jul 39°C3°C13°C 1999-1°C 199440%
Jul 49°C3°C12°C 20160°C 201439%
Jul 59°C3°C11°C 2016-1°C 200340%
Jul 69°C3°C12°C 2013-1°C 200339%
Jul 79°C3°C12°C 2005-1°C 200340%
Jul 89°C3°C12°C 2005-1°C 201541%
Jul 99°C3°C13°C 1998-1°C 200742%
Jul 109°C3°C13°C 1998-1°C 200142%
Jul 119°C3°C12°C 2019-2°C 201542%
Jul 129°C3°C11°C 2006-1°C 199743%
Jul 139°C3°C12°C 1999-1°C 199443%
Jul 149°C3°C12°C 1993-1°C 199144%
Jul 159°C3°C13°C 20120°C 199144%
Jul 169°C3°C12°C 2015-1°C 201145%
Jul 179°C3°C12°C 2018-1°C 199544%
Jul 189°C3°C13°C 2012-2°C 199544%
Jul 199°C3°C14°C 20130°C 199743%
Jul 209°C3°C14°C 2002-1°C 201542%
Jul 219°C3°C12°C 20130°C 201442%
Jul 229°C3°C13°C 1998-1°C 199541%
Jul 2310°C3°C14°C 2016-1°C 199541%
Jul 2410°C3°C13°C 20160°C 200040%
Jul 2510°C3°C13°C 2000-1°C 199338%
Jul 2610°C3°C13°C 2000-3°C 201139%
Jul 2710°C3°C13°C 2005-2°C 199940%
Jul 2810°C3°C13°C 2013-1°C 201741%
Jul 2910°C3°C13°C 2013-1°C 201739%
Jul 3010°C3°C12°C 20020°C 199640%
Jul 3110°C3°C13°C 2014-1°C 199639%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Blenheim, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+12).

July 1
sunrise 7:52 AM, sunset 5:04 PM
July 31
sunrise 7:34 AM, sunset 5:28 PM

Every day of July: 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.