Greymouth Weather in January
January in Greymouth brings pleasant temperatures, with highs of 20°C (68°F) and nights dropping to 13°C (55°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Greymouth in January
Greymouth is in the rainy season in January, with rain on around 17 days and an average of 232 mm (9.1 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Greymouth in January
If you're visiting Greymouth in January, expect highs of 20°C (68°F) and overnight lows around 13°C (55°F). Conditions are often most pleasant around the middle of the day. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Greymouth in January
The days are predominantly sunny, with an estimated total of around 211 hours of sunshine. Rain is often only seen in the afternoon or evening, leaving clear skies for most of the day. This results in rainy months that still feel bright and are suitable for travel.For Greymouth itself, February generally stands out with 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 Greymouth's climate page.
Greymouth Temperature in January
Min Temperature
13°C (55°F)
Max Temperature
20°C (68°F)
Chance of Rain
56%
Precipitation
232 mm (9.1 in)
Rainy days
17 days
Humidity
83% *
Sunshine
211 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2026)
Based on our historical records, temperatures in Greymouth typically stay consistent throughout January, with daily highs averaging around 20°C (68°F). Nights are cool, with lows around 12°C (54°F).
Average temperatures in January
Daily Historical Precipitation
49-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Greymouth in January
Browse day-by-day weather records for Greymouth spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Greymouth historical weather extremes in January
Our historical data for Greymouth spans 1995 to 2025, revealing these weather extremes.
- On January 11, 2023, temperatures climbed to 28°C (82°F), marking the warmest January day on record.
- The lowest daytime temperature in January was 13°C (55°F), recorded on January 20, 2021.
- Nighttime temperatures dropped to 3°C (37°F) on January 10, 1998, marking the coldest January night on record.
Best Places in New Zealand in January
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 January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Greymouth in January
Comfortable temperatures call for an easy wardrobe in January. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Greymouth in January
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 Greymouth's climate page.
Temperature Rainfall Sunshine Humidity
See the full Greymouth climate overview or explore weather in New Zealand.
