Weather in August 2025

Blenheim weather in August 2025

°C °F

The average weather in Blenheim in August

The temperatures in Blenheim in August are comfortable with low of 17°C and and high up to 25°C.

You can expect about 3 to 8 days of rain in Blenheim during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Blenheim in August 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
25° / 17°
Rainy Days
7
Snowy Days
0
Dry Days
24
Rainfall
127
mm
Sun Hours
8.2
Hrs

Explore the weather in Blenheim in other months

Blenheim annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -2° / -7° 6 7 18 73 mm
Awful
February -1° / -7° 5 8 16 78 mm
Awful
March 5° / -2° 7 14 10 87 mm
Awful
April 10° / 3° 10 16 4 140 mm
Awful
May 18° / 9° 8 23 0 147 mm
Ok
June 23° / 14° 8 23 0 162 mm
Good
July 26° / 18° 8 23 0 153 mm
Good
August 25° / 17° 7 24 0 127 mm
Good
September 22° / 14° 6 24 0 100 mm
Good
October 15° / 9° 7 23 1 110 mm
Ok
November 8° / 3° 6 18 6 75 mm
Bad
December 2° / -2° 7 11 14 73 mm
Awful

Weather in Blenheim in August - FAQ

What is the average temperature in Blenheim in August?
The average temperature in Blenheim in August is 17/25° C.
What is the chance of rain in Blenheim in August?
On average, there are 7 rainy days in Blenheim during August.
Weather wise, is August a good time to visit Blenheim?
The weather in Blenheim in August is good.
Can it snow in Blenheim in August?
On average, there are 0 snowy days in Blenheim in August.
More about the weather in Blenheim