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Monthly climate in Wairau Valley, Marlborough, New Zealand

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Wairau Valley features a oceanic climate (Cfb).Temperatures typically range between 5 °C (41 °F) and 16 °C (61 °F) through the year, but rarely can drop to -6 °C (22 °F) or can rise to as high as 29 °C (84 °F).The average annual precipitation amounts to about 1522 mm (59.9 inches) and receives 140 rainy days on the 1 mm (0.04 inches) threshold annually.Wairau Valley enjoys an average of 3151 hours of sunshine throughout the year, and daylight varies from 9 hours 11 minutes to 15 hours 6 minutes per day.

Monthly average temperatures in Wairau Valley, Marlborough, New Zealand §

The warmest months in Wairau Valley are January, February and December, with daily mean temperatures ranging from 14 to 16 °C (58 - 61 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 5 to 6 °C (41 - 43 °F) throughout the day. On average each year, Wairau Valley experiences 6 days above 25 °C (77.0 °F) and 40 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Wairau Valley, Marlborough, New Zealand.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 29°C
(84°F)		 27°C
(80°F)		 24°C
(76°F)		 22°C
(71°F)		 18°C
(65°F)		 16°C
(61°F)		 13°C
(56°F)		 16°C
(60°F)		 18°C
(65°F)		 20°C
(69°F)		 26°C
(80°F)		 27°C
(80°F)
Mean maximum 27°C
(81°F)		 25°C
(77°F)		 22°C
(72°F)		 20°C
(69°F)		 17°C
(63°F)		 14°C
(57°F)		 12°C
(54°F)		 15°C
(58°F)		 17°C
(62°F)		 20°C
(67°F)		 22°C
(72°F)		 25°C
(76°F)
Average high 21°C
(71°F)		 21°C
(69°F)		 19°C
(66°F)		 15°C
(60°F)		 13°C
(55°F)		 10°C
(50°F)		 9°C
(49°F)		 10°C
(51°F)		 12°C
(54°F)		 14°C
(58°F)		 17°C
(63°F)		 19°C
(67°F)
Daily mean 16°C
(61°F)		 15°C
(60°F)		 13°C
(57°F)		 10°C
(51°F)		 8°C
(46°F)		 5°C
(42°F)		 5°C
(41°F)		 6°C
(43°F)		 7°C
(45°F)		 10°C
(50°F)		 12°C
(54°F)		 14°C
(58°F)
Average low 11°C
(52°F)		 10°C
(51°F)		 9°C
(48°F)		 6°C
(43°F)		 4°C
(39°F)		 1°C
(35°F)		 0°C
(33°F)		 2°C
(36°F)		 3°C
(37°F)		 5°C
(42°F)		 7°C
(46°F)		 10°C
(50°F)
Mean minimum 6°C
(42°F)		 5°C
(41°F)		 3°C
(37°F)		 -1°C
(30°F)		 -3°C
(27°F)		 -2°C
(29°F)		 -4°C
(25°F)		 -4°C
(26°F)		 -3°C
(27°F)		 -2°C
(29°F)		 1°C
(35°F)		 4°C
(39°F)
Minimum 3°C
(38°F)		 2°C
(36°F)		 1°C
(33°F)		 -4°C
(25°F)		 -5°C
(24°F)		 -6°C
(22°F)		 -5°C
(24°F)		 -5°C
(24°F)		 -4°C
(25°F)		 -4°C
(25°F)		 0°C
(33°F)		 1°C
(34°F)

Compare climate in Wairau Valley with other places

Compare temperature, precipitation, sunshine, UV index in Wairau Valley, Marlborough, New Zealand with other places around the world.

Monthly average precipitation in Wairau Valley, Marlborough, New Zealand §

Wairau Valley usually has the most precipitation in May, July and December, with an average of 12 rainy days and 166 mm (6.5 inches) of precipitation per month.The driest months in Wairau Valley are January, February and June. On average, 84 mm (3.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Wairau Valley, Marlborough, New Zealand.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 82 (3.2) 95 (3.7) 112 (4.4) 138 (5.4) 139 (5.5) 75 (3.0) 176 (6.9) 127 (5.0) 136 (5.3) 127 (5.0) 132 (5.2) 183 (7.2)
Average precipitation days (≥ 1 mm) 9 7 11 12 10 10 11 13 12 13 16 16

Monthly sunshine hours in Wairau Valley, Marlborough, New Zealand §

The sunniest months in Wairau Valley are February, November and December, when the sun shines an average of 10 hours 44 minutes a day.Least sunny months in Wairau Valley: May, June and July receive an average of 6 hours 23 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Wairau Valley, Marlborough, New Zealand.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 296 303 284 238 217 177 192 227 259 291 316 346
Mean daily daylight hours 14h 47m 13h 41m 12h 19m 10h 56m 9h 46m 9h 11m 9h 29m 10h 29m 11h 48m 13h 12m 14h 27m 15h 6m

Solar UV radiation in Wairau Valley, Marlborough, New Zealand §

Wairau Valley experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure.May, June and July are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Wairau Valley UV Index data.

Average daily maximum UV levels by month for Wairau Valley, Marlborough, New Zealand.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 13 13 9 7 4 2 2 4 6 9 11 13