Monthly climate in Raglan, New Zealand

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Raglan features a oceanic climate (Cfb). Temperatures typically range between 11 °C (51 °F) and 20 °C (68 °F) through the year, but rarely can drop to -2 °C (29 °F) or can rise to as high as 29 °C (84 °F). The average annual precipitation amounts to about 1326 mm (52.2 inches) and receives 150 rainy days on the 1 mm (0.04 inches) threshold annually. Raglan enjoys an average of 2952 hours of sunshine throughout the year, and daylight varies from 9 hours 34 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Raglan, New Zealand

The warmest months in Raglan are January, February and December, with daily mean temperatures ranging from 18 to 20 °C (65 - 68 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 11 to 11 °C (51 - 53 °F) throughout the day. On average each year, Raglan experiences 15 days above 25 °C (77.0 °F) and 1 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Raglan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum28°C
(84°F)
29°C
(84°F)
29°C
(84°F)
24°C
(75°F)
21°C
(71°F)
20°C
(68°F)
18°C
(64°F)
18°C
(65°F)
20°C
(67°F)
22°C
(71°F)
24°C
(75°F)
27°C
(80°F)
Mean maximum26°C
(80°F)
27°C
(81°F)
26°C
(78°F)
23°C
(73°F)
20°C
(69°F)
18°C
(64°F)
17°C
(63°F)
17°C
(63°F)
19°C
(66°F)
21°C
(69°F)
23°C
(73°F)
25°C
(77°F)
Average high23°C
(73°F)
24°C
(75°F)
22°C
(73°F)
20°C
(68°F)
17°C
(63°F)
15°C
(59°F)
14°C
(57°F)
14°C
(58°F)
15°C
(60°F)
17°C
(63°F)
20°C
(67°F)
22°C
(71°F)
Daily mean19°C
(67°F)
20°C
(68°F)
18°C
(65°F)
16°C
(61°F)
13°C
(56°F)
11°C
(53°F)
11°C
(51°F)
11°C
(53°F)
12°C
(54°F)
14°C
(57°F)
16°C
(61°F)
18°C
(65°F)
Average low16°C
(60°F)
16°C
(61°F)
14°C
(58°F)
12°C
(53°F)
9°C
(49°F)
8°C
(47°F)
7°C
(45°F)
8°C
(46°F)
9°C
(49°F)
11°C
(51°F)
12°C
(55°F)
15°C
(59°F)
Mean minimum11°C
(53°F)
10°C
(50°F)
9°C
(49°F)
6°C
(44°F)
2°C
(36°F)
4°C
(39°F)
0°C
(32°F)
1°C
(34°F)
4°C
(40°F)
4°C
(40°F)
7°C
(46°F)
10°C
(49°F)
Minimum9°C
(49°F)
8°C
(47°F)
8°C
(47°F)
6°C
(42°F)
0°C
(33°F)
-0°C
(32°F)
-2°C
(29°F)
-1°C
(31°F)
2°C
(36°F)
4°C
(39°F)
7°C
(44°F)
7°C
(45°F)

Compare climate in Raglan with other places

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

Monthly average precipitation in Raglan, New Zealand

Raglan usually has the most precipitation in April, July and August, with an average of 14 rainy days and 140 mm (5.5 inches) of precipitation per month. The driest months in Raglan are January, February and November. On average, 77 mm (3.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Raglan. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)62 (2.4)78 (3.1)95 (3.7)128 (5.0)123 (4.8)113 (4.4)136 (5.4)156 (6.1)124 (4.9)107 (4.2)93 (3.6)113 (4.5)
Average precipitation days (≥ 1 mm)8811111112141716151215

Monthly sunshine hours in Raglan, New Zealand

The sunniest months in Raglan are January, November and December, when the sun shines an average of 9 hours 41 minutes a day. Least sunny months in Raglan: May, June and July receive an average of 6 hours 14 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Raglan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours270269263223202173197225246258291329
Mean daily daylight hours14h 26m13h 29m12h 17m11h 4m10h 4m9h 34m9h 49m10h 41m11h 50m13h 3m14h 8m14h 42m

Solar UV radiation in Raglan, New Zealand

Raglan experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. May, June and July are in the 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 Raglan UV Index data.

Average daily maximum UV levels by month for Raglan. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141410743357101113