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New Zealand

Greymouth weather & best time to visit

Sun, sea & sand

Greymouth at a glance

Best time
Feb
Warmest month
Feb · 21°
Warmest sea
Feb · 18.3°
Sunshine a year
2,110 h
Rain a year
2,582 mm
Climate
Maritime
Time zone
UTC+13 / UTC+12
Elevation
11 m

Climate in Greymouth

Greymouth has a maritime climate with moderate summers and cool, often grey winters. February is the warmest month with average highs of 21 °C, while July is the coolest at 13 °C. With around 2,110 hours of sunshine a year, Greymouth is moderately sunny; February is the sunniest month with 8.5 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Greymouth

The best time to visit Greymouth is in February. The sea stays too cool for a classic beach holiday: even in February it only reaches 18.3 °C. The wettest month is October with 281 mm of precipitation.

Greymouth through the seasons

How the weather changes over the seasons, with averages for each.

Greymouth in spring

Sep – Nov

12

Poor

  • 15–17 °C by day
  • Sea 14 °C
  • 6.2 h of sun a day
  • 54 rainy days in all

Greymouth in summer

Dec – Feb

29

Poor

  • 19–21 °C by day
  • Sea 18 °C
  • 7.6 h of sun a day
  • 45 rainy days in all

Greymouth in autumn

Mar – May

14

Poor

  • 15–20 °C by day
  • Sea 16 °C
  • 5.0 h of sun a day
  • 42 rainy days in all

Greymouth in winter

Jun – Aug

10

Poor

  • 13 °C by day
  • Sea 13 °C
  • 4.4 h of sun a day
  • 43 rainy days in all

Which month for what?

Beach & swimming

No month

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

No month

15–28 °C and not too much rain

Rainy months

All year

Rainy season or more than 12 rainy days

Find your perfect month

Tell us what you like and we rate every month in Greymouth for you.

Swimming in the sea
Sunshine
Little rain

Your best months: February

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

8

Holiday weather in October

Poor

Best time to visit: February

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 9°
  2. Midday, 13:00: about 15°
  3. Afternoon, 16:00: about 16°
  4. Evening, 20:00: about 13°
  5. Night, 23:00: about 10°

06:4619:56

Cool evenings: pack a jumper or a jacket.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 06:28–07:23 · evening 19:18–20:13
Blue hour
Morning 06:17–06:28 · evening 20:13–20:25

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Greymouth compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs rise from about 15° at the start of the month to 16° at the end. The sea warms from 13° to 14°. The days get 1.4 h longer.

Early or late October?
October1 Oct31 Oct
Daytime high15°16°
Night-time low7°8°
Sea13°14°
Daylight12.5 h13.9 h

What is the weather like in Greymouth in October?

In October, Greymouth is cool: daytime highs average 16 °C, and nights cool down to about 7 °C. The sea averages 13.6 °C – swimming is only for the hardy. Expect around 5.5 hours of sunshine a day. It rains often – on about 20 days, adding up to 281 mm. All in all, October is not an ideal month for a holiday in Greymouth.

More details for October

Daylight
13 h 10 min06:46 – 19:56
UV index
7 · highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
17 km/haverage daily peakAll months
Cloud cover
72 %on averageAll months
Hot days
0 days30 °C or more
Time zone
UTC+13offset from UTC

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %42 %
  • Few rainy daysweight 20 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Compare two months in Greymouth

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

February has the better holiday weather in Greymouth: score 42 against 8. In February, days are 5 °C warmer than in October. The sea is 5 °C warmer in February. February has 8 fewer rainy days. The sun shines 3 hours longer a day in February.

October vs February, Greymouth
MonthOctoberFebruary
Holiday weather score842better
Daytime high16°21°
Night-time low7°12°
Sea13.6°18.3°
Sunshine5.5 h8.5 hbetter
Rainy days2012better
Rainfall281 mm170 mmbetter

Based on the climate averages 1996–2025.

Greymouth month by month

The typical weather for every month at a glance.

27January21° · Sea 18° · 6.4 h

In January, Greymouth is mild: daytime highs average 21 °C, and nights cool down to about 12 °C. The sea averages 17.6 °C – bracing, so a wetsuit helps for longer swims. Expect around 6.4 hours of sunshine a day. It rains often – on about 15 days, adding up to 206 mm. All in all, January is not an ideal month for a holiday in Greymouth.

Greymouth in January
42February21° · Sea 18° · 8.5 h

In February, Greymouth is mild: daytime highs average 21 °C, and nights cool down to about 12 °C. The sea averages 18.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8.5 hours a day. Rain is frequent, with about 12 rainy days and 170 mm in total. All in all, February is a so-so month for a holiday in Greymouth – and yet one of the best months here.

Greymouth in February
21March20° · Sea 17° · 5.6 h

In March, Greymouth is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sea averages 17.4 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 172 mm in total. All in all, March is not an ideal month for a holiday in Greymouth.

Greymouth in March
15April17° · Sea 16° · 5.6 h

In April, Greymouth is mild: daytime highs average 17 °C, and nights cool down to about 9 °C. The sea averages 16.4 °C – swimming is only for the hardy. Expect around 5.6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 200 mm in total. All in all, April is not an ideal month for a holiday in Greymouth.

Greymouth in April
6May15° · Sea 15° · 3.7 h

In May, Greymouth is cool: daytime highs average 15 °C, and nights cool down to about 7 °C. The sea averages 15.2 °C – swimming is only for the hardy. The sun is scarce, with only about 3.7 hours a day. It rains often – on about 15 days, adding up to 215 mm. All in all, May is not an ideal month for a holiday in Greymouth.

Greymouth in May
10June13° · Sea 14° · 4.2 h

In June, Greymouth is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. The sea averages 14.0 °C – swimming is only for the hardy. Expect around 4.2 hours of sunshine a day. It rains often – on about 14 days, adding up to 214 mm. All in all, June is not an ideal month for a holiday in Greymouth.

Greymouth in June
9July13° · Sea 13° · 4.0 h

In July, Greymouth is cool: daytime highs average 13 °C, and nights cool down to about 3 °C. The sea averages 13.2 °C – swimming is only for the hardy. Expect around 4.0 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 187 mm in total. All in all, July is not an ideal month for a holiday in Greymouth.

Greymouth in July
11August13° · Sea 13° · 5.1 h

In August, Greymouth is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. The sea averages 12.7 °C – swimming is only for the hardy. Expect around 5.1 hours of sunshine a day. It rains often – on about 16 days, adding up to 198 mm. All in all, August is not an ideal month for a holiday in Greymouth.

Greymouth in August
11September15° · Sea 13° · 6.1 h

In September, Greymouth is cool: daytime highs average 15 °C, and nights cool down to about 6 °C. The sea averages 13.0 °C – swimming is only for the hardy. Expect around 6.1 hours of sunshine a day. It rains often – on about 18 days, adding up to 251 mm. All in all, September is not an ideal month for a holiday in Greymouth.

Greymouth in September
8October16° · Sea 14° · 5.5 h

In October, Greymouth is cool: daytime highs average 16 °C, and nights cool down to about 7 °C. The sea averages 13.6 °C – swimming is only for the hardy. Expect around 5.5 hours of sunshine a day. It rains often – on about 20 days, adding up to 281 mm. All in all, October is not an ideal month for a holiday in Greymouth.

Greymouth in October
16November17° · Sea 15° · 7.1 h

In November, Greymouth is mild: daytime highs average 17 °C, and nights cool down to about 9 °C. The sea averages 15.0 °C – swimming is only for the hardy. The sun shines for around 7.1 hours a day. It rains often – on about 16 days, adding up to 229 mm. All in all, November is not an ideal month for a holiday in Greymouth.

Greymouth in November
17December19° · Sea 17° · 7.9 h

In December, Greymouth is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. The sea averages 16.5 °C – swimming is only for the hardy. The sun shines for around 7.9 hours a day. It rains often – on about 18 days, adding up to 258 mm. All in all, December is not an ideal month for a holiday in Greymouth.

Greymouth in December

Climate in detail

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Greymouth

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Cold 0–8°
  • Cool 8–15°

ColdOctober: nights around 7°. The room should be heated.

The coolest nights are in July (3°), the warmest in February (12°). Nights fall below 8 °C on average from May to October, so the room should be heated.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 16°Night 7°Sea 14°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan2721°12°17.6°6.4 h15206
FebruaryFeb4221°12°18.3°8.5 h12170
MarchMar2120°11°17.4°5.6 h13172
AprilApr1517°9°16.4°5.6 h14200
MayMay615°7°15.2°3.7 h15215
JuneJun1013°4°14.0°4.2 h14214
JulyJul913°3°13.2°4.0 h14187
AugustAug1113°4°12.7°5.1 h16198
SeptemberSep1115°6°13.0°6.1 h18251
OctoberOct816°7°13.6°5.5 h20281
NovemberNov1617°9°15.0°7.1 h16229
DecemberDec1719°11°16.5°7.9 h18258

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

42.47° S, 171.20° E · 11 m · Pacific/Auckland

Swimming calendar

Sea temperature in Greymouth

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October13.6°Ccold

8 in 10 years: 12.9 – 14.3 °C

Swimming season: Always below 20 °C

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 13.6°8 in 10 years 12.9° – 14.3°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Greymouth ranges from 12.7 °C in August to 18.3 °C in February. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.

From May to July the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in February, eight out of ten years were between 17.0 and 19.6 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan17.6°16.5°18.9°fresh
FebruaryFeb18.3°17.0°19.6°fresh
MarchMar17.4°16.2°18.7°fresh
AprilApr16.4°15.5°17.4°cold
MayMay15.2°14.3°16.0°cold
JuneJun14.0°13.2°14.8°cold
JulyJul13.2°12.5°14.0°cold
AugustAug12.7°12.1°13.5°cold
SeptemberSep13.0°12.4°13.5°cold
OctoberOct13.6°12.9°14.3°cold
NovemberNov15.0°13.9°16.2°cold
DecemberDec16.5°15.4°17.9°cold
Sunshine

Sunshine hours in Greymouth

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
2,110 hours
Sunniest month
Feb · 8.5 h a day
Least sunshine
May · 3.7 h a day
OctoberSunshine 5.5 hDaylight 13.2 hShare of daylight 42 %
SunshineDaylight

In October, the sun shines for about 5.5 of 13.2 hours of daylight in Greymouth, 42 % of the daylight hours.

Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.

Rain

Rain in Greymouth: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
2,582 mm on 184 days
Wettest month
Oct · 281 mm
Driest month
Feb · 170 mm
OctoberRainy days 20Rainfall 281 mm

In October, Greymouth has about 20 rainy days with 281 mm of rain in total.

Sun protection

UV index in Greymouth

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
7 · highSeek shade around midday; sunscreen SPF 30+, hat and sunglasses.

The sun is strongest in December (UV 9).

Minutes until sunburn in October

Very fair skin
about 20 min
Fair skin
about 25 min
Light brown skin
about 35 min
Olive skin
about 45 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & clouds

Wind and clouds in Greymouth

How breezy and how cloudy Greymouth is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
14 km/h · gentle breeze
Windiest month
Oct · 17 km/h
Calmest month
Jul · 12 km/h
OctoberWind 17 km/hBeaufort 3
20
WindBeaufort 4

In October, the wind in Greymouth typically peaks at 17 km/h during the day: Beaufort 3, gentle breeze.

Breezy months for windsurfing and kiting

The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
66 % · mostly cloudy
Clearest month
Jul · 61 %
Cloudiest month
Dec · 72 %
OctoberCloud cover 72 %Sunshine 5.5 h

In October, cloud covers on average 72 % of the sky over Greymouth: mostly cloudy, with about 5.5 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Planning a trip to Greymouth

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Greymouth in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Greymouth has its best school-holiday weather during the Christmas holidays (score 22) and its weakest during May half-term (score 7).

  • Easter holidays

    Mar – Apr

    17

    Poor

    • 18 °C by day
    • Sea 17 °C
    • 5.6 h of sun a day
    • 13 rainy days a month

    Keep in mind: Frequent rain

  • May half-term

    May – Jun

    7

    Poor

    • 15 °C by day
    • Sea 15 °C
    • 3.8 h of sun a day
    • 15 rainy days a month

    Keep in mind: Frequent rain

  • Summer holidays

    Jul – Aug

    10

    Poor

    • 13 °C by day
    • Sea 13 °C
    • 4.7 h of sun a day
    • 15 rainy days a month

    Keep in mind: Frequent rain

  • October half-term

    Oct

    8

    Poor

    • 16 °C by day
    • Sea 14 °C
    • 5.5 h of sun a day
    • 20 rainy days a month

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    22

    PoorBest holidays

    • 20 °C by day
    • Sea 17 °C
    • 7.2 h of sun a day
    • 16 rainy days a month

    Keep in mind: Frequent rain

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 23 h 10 min
Distance
18,830 km
Time zone
UTC+13
Jet lag
About 12 days (12 h east)

Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.

Most routes need a change of planes, which adds time.

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Compare & alternatives

Compare

Greymouth compared

Put Greymouth side by side with another destination.

Nearby:
Compare with home:

Greymouth vs Hokitika

In October the holiday weather in Greymouth and Hokitika is about equally good (score 8 vs 9). During the day Hokitika is 1 °C cooler than Greymouth. The sea is about equally warm.

Greymouth vs Hokitika, in October
in OctoberGreymouthHokitika
Holiday weather score89
Daytime high16°15°
Sea14°14°
Sunshine6 h6 h
Rainy days2020
Best timeFebFeb

Through the year

OctoberGreymouth 16°Hokitika 15°
GreymouthHokitika
Go to Hokitika
Ranking

New Zealand in October: the best places

In October, Greymouth ranks 31 among the 31 nearest destinations in this country.

  1. Hastings19°83
  2. 2Blenheim18°74
  3. 3Christchurch17°73
  4. 4Tauranga18°16°73
  5. 5Auckland18°16°72
  6. 6Matamata18°69
  7. 7Hamilton18°67
  8. 8Rotorua17°65
  9. 31GreymouthThis page16°14°8
All destinations: New Zealand

Near Greymouth

Other destinations close by.

Places with a climate like Greymouth

Destinations whose weather through the year is closest to Greymouth's – good alternatives.

  1. 73 % similar15WhanganuiNew Zealand17°14°Best time: Feb
  2. 72 % similar19PoriruaNew Zealand16°13°Best time: Jan – Feb
  3. 70 % similar62WellingtonNew Zealand16°13°Best time: Nov – Mar
  4. 70 % similar19Lower HuttNew Zealand16°13°Best time: Jan – Feb

Frequently asked questions about Greymouth

When is the best time to visit Greymouth?

The best time to visit Greymouth is in February. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Greymouth?

The sea temperature in Greymouth ranges from 12.7 °C in August to 18.3 °C in February. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.

Can you swim in Greymouth in October?

Only if you don't mind cold water: in October the sea averages just 13.6 °C. Comfortable swimming temperatures are not reached at any time of year.

What is the warmest month in Greymouth?

February is the warmest month, with average highs of 21 °C and nights around 12 °C. July is the coolest month at 13 °C.

When does it rain most in Greymouth?

The wettest month is October with 281 mm of precipitation. The driest month is February with 170 mm.

How many hours of sunshine does Greymouth get?

Greymouth gets around 2,110 hours of sunshine a year. The sunniest month is February with 8.5 hours a day; in May there are 3.7 hours a day.

What time zone is Greymouth in?

Greymouth is on UTC+13 in January and UTC+12 in July.

How long is the flight from London to Greymouth?

A nonstop flight from London to Greymouth takes about 23 h 10 min, for a straight-line distance of about 18,830 km. Most routes need a change of planes, which adds time.

Which school holidays are best for Greymouth?

Greymouth has its best school-holiday weather during the Christmas holidays (score 22) and its weakest during May half-term (score 7). Holiday ratings (0–100): Easter holidays 17, May half-term 7, summer holidays 10, October half-term 8, Christmas holidays 22.