Last updated: June 24, 2025
In January, the average temperature in Wellington, United States hovers around 2°C (35°F), with minimums dipping to -18°C (-1°F) and maximums soaring to 21°C (71°F). Expect a precipitation total of 43 mm (1.7 in) over 4 days, while the air carries an average humidity of 77%, creating a unique and often chilly atmosphere.
In January in Wellington, the average temperature is 2°C (35°F). Maximums can reach 21°C (71°F), and minimums can be as low as -18°C (-1°F). Travelers should be prepared for a wide range of temperatures, from chilly conditions to warmer days.
In Wellington in January, the precipitation amount is 43 mm (1.7 in) over the course of 4 days.
In Wellington in January humidity is 77%. With an average temperature of 2°C (35°F), this humidity feels like a heavy blanket against the skin, making outdoor activities feel far chillier than the thermometer suggests, which can be quite challenging for traveling.
In Wellington in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Wellington, you can check the information here.
UV Risk Categories
Weather in Wellington varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Wellington, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 2°C (35°F) | 43 mm (1.7 inches) | 77% | moderate |
February Weather | 2°C (36°F) | 32 mm (1.3 inches) | 76% | high |
March Weather | 10°C (50°F) | 84 mm (3.3 inches) | 71% | high |
April Weather | 14°C (57°F) | 91 mm (3.6 inches) | 73% | very high |
May Weather | 20°C (68°F) | 170 mm (6.7 inches) | 83% | very high |
June Weather | 26°C (79°F) | 108 mm (4.3 inches) | 83% | extreme |
July Weather | 27°C (82°F) | 58 mm (2.3 inches) | 81% | extreme |
August Weather | 26°C (79°F) | 96 mm (3.8 inches) | 73% | very high |
September Weather | 23°C (75°F) | 77 mm (3.1 inches) | 67% | very high |
October Weather | 15°C (59°F) | 136 mm (5.4 inches) | 72% | high |
November Weather | 8°C (47°F) | 25 mm (1.0 inches) | 82% | moderate |
December Weather | 5°C (40°F) | 30 mm (1.2 inches) | 85% | moderate |