The temperatures in Blenheim in July are comfortable with low of 18°C and and high up to 26°C.
You can expect rain for roughly half of the month of July in Blenheim. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Blenheim in July 2025.
If you’re planning to visit Blenheim in the near future, we highly recommend that you review the 14 day weather forecast for Blenheim before you arrive.
Temperatures
26° / 18°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
153
mm
Sun Hours
8.1
Hrs
