Cromwell Weather in August
During August, Cromwell experiences low daytime temperatures of 5°C (41°F) and cooler nights around -2°C (28°F). As part of the winter season, expect quite a bit of snow/rainfall. Around 72 mm (2.8 in) is typical.
Rainfall in Cromwell in August
This month experiences about 7 days of snow/rain according to historical data, averaging 72 mm (2.8 in). The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.
Temperature in Cromwell in August
August in Cromwell brings typical temperatures with highs around 5°C (41°F) and lows of -2°C (28°F). August is a notable month of the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With lows of -2°C (28°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated.
Sunshine in Cromwell in August
The area experiences a moderate amount of sunshine, with approximately 155 hours of sunlight expected. This means a decent mix of sun and overcast.If you prefer dry days with pleasant temperatures, August may not be the ideal month to visit Cromwell. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Cromwell's climate page.
Cromwell Temperature in August
Min Temperature
-2°C (28°F)
Max Temperature
5°C (41°F)
Chance of Rain
22%
Precipitation
72 mm (2.8 in)
Rainy days
7 days
Sunshine
155 hours *
Percentage Sunshine
*
Daily Historical Temperatures
31-year average (1995-2025)
Based on our historical records, temperatures in Cromwell typically stay consistent throughout August, with daily highs averaging around 5°C (41°F). Nights are very cold, with lows typically ranging from -2°C (28°F) to 1°C (34°F).
Average temperatures in August
Daily Historical Precipitation
31-year average (1995-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Cromwell in August
Browse day-by-day weather records for Cromwell spanning 32 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cromwell historical weather extremes in August
Based on weather observations in Cromwell between 1995 and 2025, these are the recorded extremes during August.
- The hottest August day on record in Cromwell reached 19°C (66°F) (August 5, 2022).
- The coldest August day was on August 15, 2011, with a maximum of 0°C (32°F).
- Cromwell registered its coldest August night on August 10, 2006, with temperatures dropping to -13°C (9°F).
- The wettest August day on record brought 38 mm (1.5 in) of precipitation to Cromwell (August 12, 2009).
Best Places in New Zealand in August
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 August →
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What to Wear in Cromwell in August
We recommend to layer up for chilly conditions in Cromwell in August. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Cromwell in August
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 Cromwell's climate page.
See the full Cromwell climate overview or explore weather in New Zealand.
