Last updated: June 24, 2025
In Westfield, United States, the average temperature in January hovers around -4°C (25°F). However, be prepared for potential extremes, with minimums dipping as low as -24°C (-10°F), while maximums can reach up to 17°C (62°F). Expect about 67 mm (2.6 in) of precipitation spread over 10 days, contributing to an average humidity of 89%.
In January in Westfield, the average temperature is -4°C (25°F). The maximum can reach 17°C (62°F), while the minimum can drop as low as -24°C (-10°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Westfield in January, the total precipitation amount is 67 mm (2.6 in) over a period of 10 days.
In Westfield in January humidity is 89%. With an average temperature of -4°C (25°F), this humidity feels like an intense chill that seeps into your bones, making traveling uncomfortable as you navigate through the damp, cold air.
In Westfield 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 Westfield, you can check the information here.
UV Risk Categories
Weather in Westfield varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Westfield, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -4°C (25°F) | 67 mm (2.6 inches) | 89% | moderate |
February Weather | -2°C (28°F) | 84 mm (3.3 inches) | 90% | moderate |
March Weather | 1°C (35°F) | 75 mm (2.9 inches) | 89% | high |
April Weather | 7°C (46°F) | 109 mm (4.3 inches) | 88% | very high |
May Weather | 14°C (57°F) | 116 mm (4.6 inches) | 80% | very high |
June Weather | 19°C (66°F) | 95 mm (3.7 inches) | 79% | very high |
July Weather | 21°C (71°F) | 124 mm (4.9 inches) | 74% | very high |
August Weather | 20°C (69°F) | 79 mm (3.1 inches) | 64% | very high |
September Weather | 17°C (62°F) | 89 mm (3.5 inches) | 67% | very high |
October Weather | 11°C (52°F) | 119 mm (4.7 inches) | 81% | high |
November Weather | 3°C (38°F) | 78 mm (3.1 inches) | 89% | moderate |
December Weather | -1°C (31°F) | 80 mm (3.2 inches) | 88% | low |