Blenheim Weather in October
Blenheim in October averages 17°C (63°F) during the day and 8°C (46°F) at night. This is the wettest month of the year.
Rainfall in Blenheim in October
Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Records from the past 30 years suggest around 10 days of rain, with 93 mm (3.7 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Blenheim in October
October in Blenheim brings moderate temperatures, with highs of 17°C (63°F) and nights around 8°C (46°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Blenheim in October
The days are predominantly sunny, with an estimated total of around 240 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Should you favor a climate that's both dry and comfortably warm, January, February, March and December typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Blenheim's climate page.
Blenheim Temperature in October
Min Temperature
8°C (46°F)
Max Temperature
17°C (63°F)
Chance of Rain
34%
Precipitation
93 mm (3.7 in)
Rainy days
10 days
Humidity
77% *
Sunshine
240 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Blenheim typically stay consistent throughout October, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 11°C (52°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Blenheim in October
Browse day-by-day weather records for Blenheim spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Blenheim historical weather extremes in October
The extremes listed below come from historical weather data collected in Blenheim from 1976 through 2025.
- The hottest October day on record in Blenheim reached 22°C (72°F) (October 6, 2001).
- Blenheim experienced its chilliest October day on October 2, 1977, reaching only 8°C (46°F).
- Blenheim registered its coldest October night on October 10, 2008, with temperatures dropping to 3°C (37°F).
Best Places in New Zealand in October
Find out more about the weather in New Zealand and which places have the best travel conditions in this month. See all of New Zealand in October →
perfect weather
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What to Wear in Blenheim in October
Pleasant temperatures in October mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Blenheim in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit New Zealand, check out our Blenheim's climate page.
Temperature Rainfall Sunshine Humidity
See the full Blenheim climate overview or explore weather in New Zealand.
