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New Zealand weather

Weather in Blenheim for August 2025

Your guide to Blenheim weather in August - trends and predictions

    Temperatures

  • Until now, August 2025 in Blenheim is slightly cooler than the historical average by -0.7 °C.

  • The forecast for the next days in Blenheim predicts temperatures to be around 14 °C, close to the historical average.

  • In general, the average temperature in Blenheim at the beginning of August is 11.4 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 14.7 °C by the end of August.

    • Rain 🌧️

  • Blenheim in August brings notable rainfall, with an average of 16 rainy days and a total precipitation of 117.2 mm.

Average dry days
15
Dry days
Average rainy days
16
Rainy days
Average snowy days
0
Snow days
Average temperatures
11°/3°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Blenheim Weather August

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
11°
2
Heavy rain at times
11°
3
Sunny
10°
4
Overcast
11°
5
Patchy rain possible
12°
6
Overcast
12°
7
Cloudy
13°
8
Light rain shower
11°
9
Partly cloudy
10°
10
Moderate or heavy rain shower
9°
11
Cloudy
10°
12
Overcast
12°
13
Patchy rain possible
11°
14
Patchy rain possible
12°
15
Patchy rain possible
12°
16
Patchy rain possible
12°
17
Partly cloudy
11°
18
Overcast
12°
19
Moderate or heavy rain shower
11°
20
Light rain shower
10°
21
Cloudy
12°
22
Cloudy
11°
23
Patchy rain possible
11°
24
Sunny
14°
25
Sunny
14°
26
Sunny
12°
27
Sunny
16°
28
Patchy rain possible
16°
29
Sunny
16°
30
Sunny
15°
31
Patchy rain possible
14°

Temperatures trend during August in Blenheim

See the weather trend as well as the moving average line

August weather in Blenheim day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
1 Aug. Patchy rain possible
Patchy rain possible
 11° /5° 2.9 mm 4
2 Aug. Heavy rain at times
Heavy rain at times
 11° /3° 2.9 mm 4
3 Aug. Sunny
Sunny
 10° /3° 0.3 mm 4
4 Aug. Overcast
Overcast
 11° /2° 0 mm 4
5 Aug. Patchy rain possible
Patchy rain possible
 12° /2° 0.2 mm 4
6 Aug. Overcast
Overcast
 12° /4° 0.1 mm 4
7 Aug. Cloudy
Cloudy
 13° /5° 0 mm 4
8 Aug. Light rain shower
Light rain shower
 11° /4° 13.7 mm 3
9 Aug. Partly cloudy
Partly cloudy
 10° /3° 2.8 mm 4
10 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /4° 5.5 mm 3
11 Aug. Cloudy
Cloudy
 10° /3° 1 mm 3
12 Aug. Overcast
Overcast
 12° /3° 0.9 mm 4
13 Aug. Patchy rain possible
Patchy rain possible
 11° /4° 1.6 mm 4
14 Aug. Patchy rain possible
Patchy rain possible
 12° /3° 0.9 mm 4
15 Aug. Patchy rain possible
Patchy rain possible
 12° /3° 0.2 mm 4
16 Aug. Patchy rain possible
Patchy rain possible
 12° /5° 2.4 mm 4
17 Aug. Partly cloudy
Partly cloudy
 11° /5° 2.7 mm 4
18 Aug. Overcast
Overcast
 12° /5° 5 mm 4
19 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 11° /3° 17.4 mm 4
20 Aug. Light rain shower
Light rain shower
 10° /4° 2.2 mm 3
21 Aug. Cloudy
Cloudy
 12° /4° 0.3 mm 4
22 Aug. Cloudy
Cloudy
 11° /4° 0.3 mm 4
23 Aug. Patchy rain possible
Patchy rain possible
 11° /3° 5 mm 4
24 Aug. Sunny
Sunny
 14° /2° 0 mm 0.6
25 Aug. Sunny
Sunny
 14° /3° 0 mm 0.7
26 Aug. Sunny
Sunny
 12° /4° 0 mm 0.7
27 Aug. Sunny
Sunny
 16° /3° 0 mm 0.7
28 Aug. Patchy rain possible
Patchy rain possible
 16° /3° 1.9 mm 0.6
29 Aug. Sunny
Sunny
 16° /7° 0 mm 0
30 Aug. Sunny
Sunny
 15° /5° 0 mm 4
31 Aug. Patchy rain possible
Patchy rain possible
 14° /5° 4.8 mm 3
Next
Important Notice
Our weather forecast for Blenheim in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Blenheim forecast closer to your planned date for the most up-to-date weather information.
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Blenheim in August - FAQ

What are the expected maximum and minimum temperatures in Blenheim during August?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 3°.
How much rainfall should be expected in Blenheim during August?
Significant rainfall exceeding 117.2 mm is expected in Blenheim during August, occurring over more than 16 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Blenheim during August?
The average wind speed in Blenheim during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Blenheim

Explore the daily rainfall trends and prepare for Blenheims August weather 💧

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Get accurate weather forecasts for Blenheim, located at latitude -41.516 and longitude 173.953. Stay updated with localized weather information tailored for Blenheim.

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