Last updated: May 6, 2024
Under the Köppen–Geiger climate classification Hamilton features a oceanic climate (Cfb).Temperatures typically range between 10 °C (50 °F) and 20 °C (68 °F) through the year, but rarely can drop to -4 °C (25 °F) or can rise to as high as 29 °C (85 °F).The average annual precipitation amounts to about 1265 mm (49.8 inches) and receives 142 rainy days on the 1 mm (0.04 inches) threshold annually.Hamilton enjoys an average of 2954 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 42 minutes per day.
The warmest months in Hamilton are January, February and December, with daily mean temperatures ranging from 19 to 20 °C (66 - 68 °F) throughout the day. The coldest temperatures usually occur in June, July and August, when daily mean temperatures range from 10 to 11 °C (50 - 52 °F) throughout the day. On average each year, Hamilton experiences 29 days above 25 °C (77.0 °F) and 5 days below 0 °C (32.0 °F).
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Maximum | 29°C (85°F) | 29°C (85°F) | 29°C (84°F) | 24°C (75°F) | 22°C (71°F) | 20°C (68°F) | 18°C (65°F) | 18°C (64°F) | 20°C (68°F) | 22°C (72°F) | 27°C (80°F) | 27°C (81°F) |
Mean maximum | 27°C (81°F) | 28°C (82°F) | 26°C (79°F) | 23°C (74°F) | 21°C (69°F) | 18°C (65°F) | 17°C (63°F) | 17°C (63°F) | 19°C (67°F) | 21°C (70°F) | 24°C (75°F) | 26°C (79°F) |
Average high | 24°C (75°F) | 25°C (77°F) | 23°C (74°F) | 20°C (68°F) | 17°C (64°F) | 15°C (59°F) | 14°C (58°F) | 15°C (59°F) | 16°C (61°F) | 17°C (64°F) | 20°C (69°F) | 23°C (73°F) |
Daily mean | 20°C (68°F) | 20°C (68°F) | 18°C (65°F) | 15°C (60°F) | 13°C (55°F) | 11°C (52°F) | 10°C (50°F) | 11°C (52°F) | 12°C (54°F) | 14°C (57°F) | 16°C (62°F) | 19°C (66°F) |
Average low | 15°C (60°F) | 15°C (60°F) | 14°C (57°F) | 11°C (52°F) | 8°C (47°F) | 7°C (45°F) | 6°C (43°F) | 7°C (45°F) | 8°C (47°F) | 10°C (50°F) | 12°C (54°F) | 14°C (58°F) |
Mean minimum | 11°C (51°F) | 9°C (49°F) | 8°C (47°F) | 5°C (41°F) | -0°C (32°F) | 2°C (36°F) | -2°C (29°F) | -1°C (31°F) | 3°C (37°F) | 3°C (38°F) | 6°C (44°F) | 8°C (48°F) |
Minimum | 8°C (47°F) | 7°C (45°F) | 7°C (45°F) | 4°C (39°F) | -2°C (29°F) | -2°C (29°F) | -3°C (27°F) | -4°C (25°F) | -0°C (32°F) | 3°C (37°F) | 6°C (43°F) | 5°C (42°F) |
Compare temperature, precipitation, sunshine, UV index in Hamilton, New Zealand with other places around the world.
Hamilton usually has the most precipitation in July, August and September, with an average of 14 rainy days and 133 mm (5.2 inches) of precipitation per month.The driest months in Hamilton are January, February and November. On average, 75 mm (2.9 inches) of precipitation falls during these months.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Average precipitation mm (inches) | 56 (2.2) | 81 (3.2) | 94 (3.7) | 117 (4.6) | 107 (4.2) | 104 (4.1) | 131 (5.1) | 149 (5.9) | 119 (4.7) | 107 (4.2) | 87 (3.4) | 112 (4.4) |
Average precipitation days (≥ 1 mm) | 6 | 9 | 10 | 11 | 11 | 12 | 13 | 16 | 15 | 14 | 12 | 13 |
The sunniest months in Hamilton are January, November and December, when the sun shines an average of 9 hours 41 minutes a day.Least sunny months in Hamilton: May, June and July receive an average of 6 hours 15 minutes of sunshine daily.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean monthly sunshine hours | 272 | 266 | 261 | 226 | 203 | 175 | 197 | 222 | 245 | 263 | 288 | 329 |
Mean daily daylight hours | 14h 25m | 13h 28m | 12h 17m | 11h 5m | 10h 5m | 9h 35m | 9h 49m | 10h 41m | 11h 50m | 13h 3m | 14h 8m | 14h 42m |
Hamilton 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 Hamilton UV Index data.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
UV Index (month maximum) | 14 | 14 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 10 | 11 | 13 |