Last updated: June 24, 2025
In August, the average temperature in Norwalk, United States is a comfortable 25°C (76°F). While you might experience a refreshing low of 16°C (61°F), be prepared for the occasional spike, with highs reaching up to 39°C (102°F). Expect minimal rainfall, with only 2 mm (0.1 in) over the course of 0 days, and enjoy a reasonably humid atmosphere with an average humidity of 69%.
In August in Norwalk, the average temperature is 25°C (76°F). Maximum can reach 39°C (102°F) and minimum can be as low as 16°C (61°F). This mix of warm days and cooler nights makes it an ideal time for travelers to explore and enjoy outdoor activities.
In Norwalk in August, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.
In Norwalk in August, humidity is 69%. With an average temperature of 25°C (76°F), this humidity feels like a warm, tropical embrace, making travel invigorating yet slightly sticky—perfect for leisurely strolls but requiring frequent breaks to enjoy refreshing drinks.
In Norwalk in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Norwalk.
UV Risk Categories
Weather in Norwalk varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Norwalk, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 13°C (56°F) | 75 mm (3.0 inches) | 74% | moderate |
February Weather | 13°C (56°F) | 63 mm (2.5 inches) | 79% | high |
March Weather | 14°C (58°F) | 67 mm (2.7 inches) | 75% | very high |
April Weather | 17°C (63°F) | 23 mm (0.9 inches) | 70% | very high |
May Weather | 18°C (65°F) | 16 mm (0.6 inches) | 70% | very high |
June Weather | 21°C (70°F) | 3 mm (0.1 inches) | 72% | extreme |
July Weather | 24°C (76°F) | 2 mm (0.1 inches) | 73% | extreme |
August Weather | 25°C (76°F) | 2 mm (0.1 inches) | 69% | very high |
September Weather | 23°C (74°F) | 4 mm (0.1 inches) | 68% | very high |
October Weather | 20°C (69°F) | 10 mm (0.4 inches) | 67% | high |
November Weather | 17°C (62°F) | 20 mm (0.8 inches) | 68% | moderate |
December Weather | 13°C (56°F) | 72 mm (2.8 inches) | 71% | moderate |