Blenheim weather in August 2025

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

Snowy Days

Dry Days

Rainfall

127

Sun Hours

8.2

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
					1 29° /18°	2 27° /18°
3 30° /18°	4 28° /19°	5 27° /17°	6 25° /18°	7 26° /17°	8 27° /17°	9 26° /16°
10 25° /15°	11 23° /14°	12 26° /15°	13 26° /14°	14 23° /15°	15 24° /16°	16 24° /15°
17 26° /17°	18 22° /15°	19 26° /14°	20 27° /17°	21 24° /15°	22 24° /14°	23 25° /16°
24 30° /18°	25 26° /18°	26 25° /17°	27 27° /16°	28 27° /15°	29 25° /16°	30 26° /16°
31 25° /14°

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

Temperatures in Blenheim in August

Rain in Blenheim in August

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