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June Weather in Norwalk, United States

Last updated: June 24, 2025

In June, the average temperature in Norwalk, United States hovers around 24°C (75°F), offering a warm climate for visitors. However, be prepared for a temperature range from a cool 9°C (49°F) at night to a sweltering 39°C (102°F) during the day. Rainfall is common, with an average precipitation amount of 122 mm (4.8 in) spread over about 9 days. Don’t forget to stay hydrated, as the average humidity is a hefty 81%!

June Temperature in Norwalk

In June in Norwalk the average temperature is 24°C (75°F). Maximums can reach 39°C (102°F) and minimums can be as low as 9°C (49°F). This makes Norwalk a great destination for travelers seeking a warm climate while also being prepared for cooler evenings.

June Weather in Norwalk: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Norwalk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Norwalk, June typically has an average temperature of 24°C (75°F), with highs reaching up to 39°C (102°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec232440506275777469533931
Data source: Temperature data for Norwalk generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Norwalk

In Norwalk in June, the precipitation amount is 122 mm (4.8 in) over a span of 9 days.

June Precipitation Trends in Norwalk

The chart displays monthly precipitation patterns in Norwalk, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Norwalk, June typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec3840837217112267821121263937
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Norwalk

In Norwalk in June humidity is 81%. With an average temperature of 24°C (75°F), this humidity feels like a warm, thick blanket enveloping you, making traveling a bit sticky and sweaty, yet still inviting for those who enjoy the rich, tropical atmosphere.

June Average Humidity in Norwalk

This chart illustrates the average monthly humidity levels in Norwalk, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Norwalk is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Norwalk

In Norwalk in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Norwalk.

Maximum UV Index Levels in Norwalk for June

The chart shows the monthly maximum UV Index (UVI) for Norwalk in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In June, the maximum UV index in Norwalk typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
Data source: Norwalk June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How June Weather in Norwalk Compares to Other Months

Weather in Norwalk varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Norwalk, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Norwalk, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
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 Weather4°C (40°F)83 mm (3.3 inches)77%high
April Weather10°C (50°F)72 mm (2.9 inches)77%very high
May Weather17°C (63°F)171 mm (6.7 inches)77%very high
June Weather24°C (75°F)122 mm (4.8 inches)81%extreme
July Weather25°C (78°F)67 mm (2.6 inches)81%very high
August Weather24°C (75°F)82 mm (3.2 inches)77%very high
September Weather20°C (69°F)112 mm (4.4 inches)73%very high
October Weather11°C (53°F)126 mm (4.9 inches)75%high
November Weather4°C (39°F)39 mm (1.5 inches)85%moderate
December Weather0°C (31°F)37 mm (1.5 inches)83%moderate

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