Last updated: June 24, 2025
In January, the average temperature in Wellington, United States hovers around 5°C (40°F), with a minimum dipping to -15°C (6°F) and a maximum soaring to 26°C (80°F). Expect 27 mm (1.1 in) of precipitation spread over 3 days, while the average humidity remains a comfortable 75%.
In January in Wellington, the average temperature is 5°C (40°F). The maximum can reach 26°C (80°F) and the minimum can be as low as -15°C (6°F). Be prepared for a wide range of temperatures during your travels, so pack layers to stay comfortable throughout the day.
In Wellington in January, the total precipitation amount is 27 mm (1.1 in) over the course of 3 days.
In Wellington in January humidity is 75%. With an average temperature of 5°C (40°F), this humidity feels like a chilly mist enveloping you, making outdoor activities uncomfortable and necessitating layered clothing to stay warm while navigating the damp conditions.
In Wellington in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Wellington for better planning.
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 | 5°C (40°F) | 27 mm (1.1 inches) | 75% | moderate |
February Weather | 5°C (42°F) | 18 mm (0.7 inches) | 76% | high |
March Weather | 12°C (54°F) | 70 mm (2.7 inches) | 64% | very high |
April Weather | 16°C (61°F) | 42 mm (1.6 inches) | 70% | very high |
May Weather | 21°C (71°F) | 92 mm (3.6 inches) | 78% | extreme |
June Weather | 26°C (80°F) | 88 mm (3.5 inches) | 81% | extreme |
July Weather | 28°C (83°F) | 31 mm (1.2 inches) | 82% | extreme |
August Weather | 28°C (82°F) | 35 mm (1.4 inches) | 78% | extreme |
September Weather | 24°C (75°F) | 74 mm (2.9 inches) | 72% | very high |
October Weather | 16°C (62°F) | 70 mm (2.8 inches) | 73% | high |
November Weather | 10°C (51°F) | 16 mm (0.6 inches) | 80% | moderate |
December Weather | 7°C (44°F) | 22 mm (0.9 inches) | 81% | moderate |