Last updated: June 24, 2025
In August, the average temperature in Norwalk, United States hovers around 24°C (75°F), offering a delightful warmth. However, prepare for a temperature range where it can dip to a minimum of 11°C (52°F) and soar to a maximum of 36°C (97°F). Expect 82 mm (3.2 in) of precipitation spread across about 8 days, resulting in an average humidity of 77%. Embrace the climate while planning your visit!
In August in Norwalk, the average temperature is 24°C (75°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 11°C (52°F). This makes it a great time for travelers to enjoy warm days while also being prepared for cooler evenings.
In Norwalk in August, the total precipitation amount reached 82 mm (3.2 in) over the course of 8 days.
In Norwalk in August humidity is 77%. With an average temperature of 24°C (75°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel stifling and may require frequent breaks to stay hydrated while exploring.
In Norwalk in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For 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 | -5°C (23°F) | 38 mm (1.5 inches) | 78% | moderate |
| February Weather | -4°C (24°F) | 40 mm (1.6 inches) | 80% | moderate |
| March Weather | 4°C (40°F) | 83 mm (3.3 inches) | 77% | high |
| April Weather | 10°C (50°F) | 72 mm (2.9 inches) | 77% | very high |
| May Weather | 17°C (63°F) | 171 mm (6.7 inches) | 77% | very high |
| June Weather | 24°C (75°F) | 122 mm (4.8 inches) | 81% | extreme |
| July Weather | 25°C (78°F) | 67 mm (2.6 inches) | 81% | very high |
| August Weather | 24°C (75°F) | 82 mm (3.2 inches) | 77% | very high |
| September Weather | 20°C (69°F) | 112 mm (4.4 inches) | 73% | very high |
| October Weather | 11°C (53°F) | 126 mm (4.9 inches) | 75% | high |
| November Weather | 4°C (39°F) | 39 mm (1.5 inches) | 85% | moderate |
| December Weather | 0°C (31°F) | 37 mm (1.5 inches) | 83% | moderate |