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New Zealand weather

Weather in Greymouth for January 2026

Your guide to Greymouth weather in January - trends and predictions

    Temperatures

  • In general, the average temperature in Greymouth at the beginning of January is 18.6 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 18.3 °C by the end of January.

    • Rain 🌧️

  • The climate of Greymouth in January is notably wet, with an average of 14 rainy days, and a total of 93.7 mm of precipitation.

Average dry days
17
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/12°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Greymouth Weather January

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

Temperatures trend during January in Greymouth

See the weather trend as well as the moving average line

January weather in Greymouth day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
1 Jan. Patchy rain possible
Patchy rain possible
 19° /12° 0.2 mm 7
2 Jan. Patchy rain possible
Patchy rain possible
 18° /13° 2 mm 7
3 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /11° 10.1 mm 7
4 Jan. Overcast
Overcast
 18° /10° 0 mm 7
5 Jan. Sunny
Sunny
 19° /10° 0 mm 8
6 Jan. Sunny
Sunny
 20° /10° 0 mm 8
7 Jan. Sunny
Sunny
 19° /12° 0 mm 8
8 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /13° 15.7 mm 7
9 Jan. Heavy rain at times
Heavy rain at times
 19° /11° 3.3 mm 7
10 Jan. Patchy rain possible
Patchy rain possible
 18° /14° 3.9 mm 7
11 Jan. Moderate rain at times
Moderate rain at times
 19° /11° 1.2 mm 7
12 Jan. Sunny
Sunny
 19° /10° 0 mm 8
13 Jan. Partly cloudy
Partly cloudy
 19° /11° 0 mm 8
14 Jan. Patchy rain possible
Patchy rain possible
 19° /12° 0.4 mm 7
15 Jan. Patchy rain possible
Patchy rain possible
 18° /15° 1.2 mm 7
16 Jan. Partly cloudy
Partly cloudy
 19° /12° 0 mm 8
17 Jan. Cloudy
Cloudy
 20° /13° 0 mm 8
18 Jan. Partly cloudy
Partly cloudy
 20° /13° 0 mm 9
19 Jan. Sunny
Sunny
 21° /13° 0.2 mm 9
20 Jan. Cloudy
Cloudy
 21° /13° 0 mm 8
21 Jan. Sunny
Sunny
 21° /14° 0 mm 9
22 Jan. Sunny
Sunny
 21° /14° 0 mm 9
23 Jan. Heavy rain at times
Heavy rain at times
 18° /13° 5.8 mm 7
24 Jan. Patchy rain possible
Patchy rain possible
 19° /13° 1.2 mm 7
25 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /13° 14.3 mm 7
26 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /15° 21.6 mm 8
27 Jan. Moderate rain at times
Moderate rain at times
 18° /11° 1.3 mm 7
28 Jan. Patchy rain possible
Patchy rain possible
 18° /12° 0.2 mm 7
29 Jan. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /13° 11.1 mm 7
30 Jan. Partly cloudy
Partly cloudy
 18° /12° 0 mm 8
31 Jan. Overcast
Overcast
 18° /11° 0 mm 7
Next
Important Notice
Our weather forecast for Greymouth in January 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 Greymouth forecast closer to your planned date for the most up-to-date weather information.
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Greymouth in January - FAQ

What are the expected maximum and minimum temperatures in Greymouth during January?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Greymouth during January?
Moderate rainfall is anticipated in Greymouth during January, with a total of 93.7 mm spread over approximately 14 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Greymouth during January?
The average wind speed in Greymouth during January is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

January rainfall patterns in Greymouth

Explore the daily rainfall trends and prepare for Greymouths January weather 💧

UV exposure in Greymouth during January

Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️

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Get accurate weather forecasts for Greymouth, located at latitude -42.467 and longitude 171.2. Stay updated with localized weather information tailored for Greymouth.

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