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New Zealand weather

Weather in Greymouth for May 2026

Your guide to Greymouth weather in May - trends and predictions

    Temperatures

  • In general, the average temperature in Greymouth at the beginning of May is 13.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 13.1 °C by the end of May.

    • Rain 🌧️

  • Greymouth in May brings notable rainfall, with an average of 19 rainy days and a total precipitation of 254.8 mm.

Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
13°/9°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Greymouth Weather May

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

Temperatures trend during May in Greymouth

See the weather trend as well as the moving average line

May weather in Greymouth day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Moderate rain at times
Moderate rain at times
 11° /8° 10.6 mm 4
2 May Patchy rain possible
Patchy rain possible
 13° /7° 0.9 mm 4
3 May Cloudy
Cloudy
 13° /6° 0 mm 4
4 May Cloudy
Cloudy
 16° /7° 0.3 mm 5
5 May Overcast
Overcast
 16° /11° 0.2 mm 5
6 May Heavy rain at times
Heavy rain at times
 14° /9° 6.5 mm 4
7 May Patchy rain possible
Patchy rain possible
 14° /11° 4.5 mm 4
8 May Moderate or heavy rain shower
Moderate or heavy rain shower
 16° /12° 15.3 mm 5
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /9° 45.4 mm 5
10 May Patchy rain possible
Patchy rain possible
 11° /8° 0.1 mm 4
11 May Cloudy
Cloudy
 14° /9° 0.1 mm 4
12 May Patchy rain possible
Patchy rain possible
 12° /8° 0.3 mm 4
13 May Moderate rain at times
Moderate rain at times
 13° /8° 2.4 mm 4
14 May Overcast
Overcast
 11° /7° 0 mm 4
15 May Moderate rain at times
Moderate rain at times
 11° /8° 1.8 mm 4
16 May Patchy rain possible
Patchy rain possible
 15° /11° 1.5 mm 5
17 May Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /10° 34.6 mm 5
18 May Moderate rain at times
Moderate rain at times
 16° /9° 15.8 mm 5
19 May Overcast
Overcast
 11° /6° 0.2 mm 4
20 May Overcast
Overcast
 12° /7° 0 mm 4
21 May Patchy rain possible
Patchy rain possible
 13° /6° 0.1 mm 4
22 May Overcast
Overcast
 13° /9° 0 mm 4
23 May Overcast
Overcast
 14° /9° 0 mm 4
24 May Cloudy
Cloudy
 14° /8° 0 mm 4
25 May Light rain shower
Light rain shower
 14° /10° 25.7 mm 4
26 May Light rain shower
Light rain shower
 15° /10° 41.8 mm 5
27 May Partly cloudy
Partly cloudy
 14° /8° 0 mm 5
28 May Moderate rain
Moderate rain
 12° /9° 29.4 mm 4
29 May Patchy rain possible
Patchy rain possible
 13° /9° 3.6 mm 4
30 May Light rain shower
Light rain shower
 12° /8° 6.3 mm 4
31 May Light rain shower
Light rain shower
 12° /10° 7.3 mm 4
Next
Important Notice
Our weather forecast for Greymouth in May 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 May - FAQ

What are the expected maximum and minimum temperatures in Greymouth during May?
During May, expect a variety of temperatures with highs around 13° and lows near 9°, suitable for diverse activities and preferences.
How much rainfall should be expected in Greymouth during May?
Significant rainfall exceeding 254.8 mm is expected in Greymouth during May, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Greymouth during May?
The average wind speed in Greymouth during May is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Greymouth

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

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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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