| < January >
|Average Daylight per day
|Sun altitude at solar noon on the 21st day.
- The average temperature in Blenheim in January is somewhat warm at 18 °C (64.4 °F).
- The weather in January is slightly dry. Only 58.1mm (2.3in) of fluid descends.
- The shortest day is 14:22 long and the longest day is 15:07 long with an average length of 14:48.
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Weather Trend Graph for January in Blenheim, New Zealand
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