Last updated: June 24, 2025
In August, the average temperature in Westfield, United States hovers around 19°C (66°F), making for mild days and cool nights. Be prepared for temperatures that can dip as low as 4°C (40°F) and spike up to a toasty 33°C (91°F). With an average precipitation of 90 mm (3.5 in) spread over 10 days, it's wise to pack an umbrella! Expect a high humidity level of 83%, adding a touch of tropical warmth to your experience.
In August in Westfield, the average temperature is 19°C (66°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 4°C (40°F). This makes the weather in Westfield during August ideal for travelers seeking a mix of warm days and cooler evenings.
In Westfield in August, the precipitation amount is 90 mm (3.5 in) over the course of 10 days.
In Westfield in August, humidity is 83%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel more sluggish and muggy, yet there's a refreshing coolness in the air that invites you to explore.
In Westfield in August, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Westfield.
UV Risk Categories
Weather in Westfield varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Westfield, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -9°C (16°F) | 93 mm (3.7 inches) | 93% | low |
February Weather | -8°C (18°F) | 79 mm (3.1 inches) | 92% | moderate |
March Weather | -4°C (26°F) | 76 mm (3.0 inches) | 90% | moderate |
April Weather | 3°C (39°F) | 111 mm (4.4 inches) | 87% | high |
May Weather | 11°C (52°F) | 108 mm (4.2 inches) | 82% | very high |
June Weather | 16°C (61°F) | 91 mm (3.6 inches) | 77% | very high |
July Weather | 19°C (67°F) | 117 mm (4.6 inches) | 81% | very high |
August Weather | 19°C (66°F) | 90 mm (3.5 inches) | 83% | very high |
September Weather | 14°C (57°F) | 97 mm (3.8 inches) | 85% | high |
October Weather | 8°C (46°F) | 112 mm (4.4 inches) | 87% | moderate |
November Weather | 0°C (32°F) | 113 mm (4.5 inches) | 87% | moderate |
December Weather | -7°C (20°F) | 103 mm (4.1 inches) | 90% | low |