Blenheim Weather in April
April in Blenheim sees daytime temperatures around 18°C (64°F) and lows of 9°C (48°F) at night. With around 75 mm (3 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Blenheim in April
Historically, approximately 8 days this month are expected to have rain, averaging 75 mm (3 in). 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 April
April in Blenheim sees highs of 18°C (64°F) and lows of 9°C (48°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Blenheim in April
Expect a lot of sunshine this month, with about 195 hours of sun. These sunny conditions add to the overall experience.If you prefer enjoying temperate temperatures and rain-free days, January, February, March and December typically offer the best 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 April
Min Temperature
9°C (48°F)
Max Temperature
18°C (64°F)
Chance of Rain
26%
Precipitation
75 mm (3 in)
Rainy days
8 days
Humidity
83% *
Sunshine
195 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Blenheim typically stay consistent throughout April, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°F).
Average temperatures in April
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 April
Historical weather for Blenheim in April
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 April
Based on 50 years of weather observations in Blenheim between 1976 and 2026, these are the recorded extremes.
- The warmest day in April was on April 18, 2014, with a maximum of 23°C (73°F).
- Blenheim experienced its chilliest April day on April 27, 1977, reaching only 10°C (50°F).
- The lowest overnight temperature recorded in April was 3°C (37°F) (April 19, 1990).
Best Places in New Zealand in April
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 April →
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What to Wear in Blenheim in April
For Blenheim in April, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Blenheim in April
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.
